Scientific Services Division (SSD)
Southern Region, National Weather Service
(817) 978-2671
Iris A. Shockley
AWIPS Program Office, Deployment Division
Contributions by Dr. Scott Shipley
Table of Contents
- GIS Meteorology
- ArcView Shapefiles
- Getting Started
- Modifying Shapefiles
- Handling Images
- Moving Shapefiles to AWIPS
- More Information
- Acknowledgements
- 2.1 File Formats
2.2 Object Types
2.3 Available Shapefiles
- 3.1 Making a New Project
3.2 Adding Themes
3.3 Moving Around the View
3.4 Printing the View
3.5 Saving Your Work
- 4.1 Changing Theme Properties
- 4.1.1 The Legend Editor
4.1.2 Pallette Functions Overview
4.3 Examining Table Attributes
- 4.3.1 Access theme attributes for a specific record of the active theme
4.3.2 Access theme attributes for the attributes table of the active theme
4.3.3 Querying Database Records
4.5 Editing a Theme's Features
- 4.5.1 Line Editing
4.5.2 Point Editing
4.7 Combining a Theme's Features
4.8 Intersecting Polygons
4.9 Merging Themes
4.10 Splitting Line or Polygon Themes
4.11 Cropping Shapefiles
- 4.11.1 Select by Theme
4.11.2 Select Features Using Graphic
GIS Meteorology
 |
The "self reliance" of the weather community, however, has also lead to isolation from other disciplines. This isolation has fostered an environment in which decisions are made for the benefit of weather experts, generally without regard for other users of weather data who are not current participants or cognoscent. Thus, the World Meteorological Organization (WMO) has established "international standards" such as GRIB (Gridded Binary) for the compression and exchange of weather model gridfields, leading to specialized software and procedures which are well-known to weather insiders, but making access to these data more difficult for "weather outsiders". I would also like to point out that WMO GRIB formats are not followed universally, and that more efficient methods for array compression are available (and more affordable from a Life Cycle point of view). Looking from the outside in, the weather business appears to be dominated by specialized codes and decoders (METAR, SHEF, SYNOP, et al.), discipline-centric jargon (Rossby waves, baroclinic instability, positive vorticity advection, et al.), and "Black Magic" (objective [sic.] analysis, areal forecast probability, sub-grid scale parameterization, et al.). Understanding all this requires a "Black Belt" in meteorology.
Geographic Information Systems (GIS) may change the balance of power between weather "providers" and traditional "users" of weather data and related services. There are over 100,000 known installations of leading desktop GIS systems such as ESRI ArcView 3 and MapInfo. Several groups are currently exploring desktop GIS to uncover data formats and processing capabilities which are valuable to weather data processing. We have discovered that most GIS users do not (yet) realize that they may already have a sophisticated weather processing system at their disposal. The primary block to using GIS as a weather processing system still appears to be access to weather data in compatible (geographic spatial) formats.
In addition to using GIS for traditional weather processing functions, we also see an enormous impact and potential market value for weather data and services when integrated into "non-weather" applications. Today's weather outsiders may be current users of GIS who acquire weather information and services separately, using totally independent systems. These users typically have not (yet) integrated the weather services with the business enterprise applications being developed around GIS. Compare the current estimate of a $2 billion annual weather industry to the $200 billion (plus) "other" industry that can use and benefit from readily available weather information. This estimate for "outside" community applications excludes the $2 trillion agribusiness industry, which is not a stranger to either GIS or weather data.
Dr. Scott T. Shipley,
Affiliate Professor, Department of Geography, George Mason University
(sshipley@gmu.edu)
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ArcView Shapefiles
File Formats
shape description file (.shp);
an index file linking shape to attributes (.shx);
and, an attributes database table (.dbf).
Additionally, .sbn and .sbx files may be included.
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Object Types
Shapefiles are defined by their shape field. All shapefiles have either a point, a line, or a polygon shape field. For instance, WSR-88D radar sites , surface station locations, and model gridfields are stored as points; highways, rivers, and contour lines (isopleths) are stored as lines; CWAs, zone definitions, and model grids (cells) are stored as polygons.
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Available Shapefiles
- WSOM Chapter Libraries:
- County Warning Areas
- Zone Forecast Areas
- Coastal and Offshore Marine Zones
- High Seas Marine Zones
- Fire Weather Boundaries
- Transcribed Weather Broadcast Text Products
- Hydrologic Libraries:
- River Forecast Center Regions
- River Basins
- Lakes
- RFI Rivers and Streams by NWS CWA
- Cities:
- Cities
- County Libraries:
- AWIPS Counties
- Time Zone Splits
- Counties at 1:100K
- State and Province Libraries:
- United States
- Canadian Provinces
- Mexican States
- Transportation:
- Interstates
- Interstates and US Highways
- Interstates, US, State, County Highways and other Roads
- Interstates, US, State, County Highways and other Roads subsetted by NWS CWA
- Terrain:
- CONUS Digital Terrain
Note: Shapefiles are now available from within the AWIPS firewall.
Contact your Region's AWIPS Focal Point for the specific instructions.
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Getting Started
| Before starting the ArcView program, you will need to get the file(s) to work with from either the AWIPS Map Database Catalog (see above for the URL) or transfer the file(s) from your AWIPS to the PC that has ArcView. On AWIPS the files are located in the $FXA_HOME/localization/nationalData directory. Once you have the file(s) available on the PC, start ArcView. (If you get an introductory window, cancel (X) it.) You should see a window that looks like this: |  |
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Making a New Project
 | The basic features of the startup screen are: Project window:Shapefiles are saved in projects. The default Project name "Untitled" is displayed at the top of the Project window, and the "Views" button is highlighted. The five Project window objects are Views, Tables, Charts, Layouts, and Scripts. Menu bar: User-programmable pull-down menus, uniquely defined for each Project window object. Button bar: User-defined actions(scripts) which are implemented immediately on clicking. Tool bar: User-defined actions(scripts) which apply while the tool is activated (click on, click off). |
 | Step 1:To open a work(drawing) area or "View", highlight Viewin the Project Window and click the New button. (If you have previously saved a project, choose the Open button or chooseOpen Project from the "File" Menu on the menu bar. The default name of the new View is "View1". To rename the view, choose Properties from the "View" Menu. When the View window is opened it becomes active and a new menu bar and several toolbar buttons appear. |
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Adding Themes
Step 1: Use the Add Theme button to load shapefiles (points, lines and polygons) and images that will be the themes in your new project. (It should be the second button from the left)Either click on it to load the shapefile(s) you want to look at, or click View on the menu bar to pull down the "View" Menu, then click Add Theme. The "Add Theme" window is shown on the right.Step 2: Set "Data Source Types" to Feature Data Source(the default) for point, line or polygon shapefiles, or Image Data Source for image files. Step 3: Change the directory to your file location. Step 4: Click the filename to highlight the selected shapefile (to select multiple shapefiles, press the shift key while highlighting). |  |
| Step 5: Click OK to add the selected file(s) to your View window. The "View" legend now looks like this: |  |
| Step 6: Click the open square on the left side of the theme box in the legend to draw the theme in the View work area. Step 7: Click and drag the theme legend boxes up and down to change the drawing order of the themes(lowest box in the legend is drawn first). Step 8: Click a theme legend box to make it "active"(theme is surrounded by a box and appears raised).Hold down the SHIFT key while clicking to make more than one theme active. A theme can only be edited when it is "active". |  |
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Moving Around the View
 | Change the cursor to the magnify tool by clicking on either of the magnifying glasses. Position the cursor in the View and hold down to draw a box over the area, then release the button. The area is magnified. |  | Click on the Pan tool to change the cursor to a "hand". Hold down the cursor to drag the View to a different position. |
 | These buttons zoom to the themes in the legend. The left button zooms to the full extent of all themes in the View; the middle button zooms to the "active" theme; the right button zooms to the selection. | ||
 | These buttons zoom in or out a factor of two when clicked. |  | This button returns to the previous drawing in the View window. |
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Printing the View
Printing
| Step 1: Click File on the menu bar to pull down the "File" Menu, then click Print. Step 2: Choose to print either the View or the Table of Contents(Legend). Step 3: Click the Setup button to change either the printer name, the paper size or paper orientation. |  |
 |
Exporting
 | Step1: Click File on the menu bar to pull down the "File" Menu. Step 2: Click Export. Step 3: Choose the image/graphic format to use to export the current View and the location to store the new file. Only the View area will be exported. |
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Saving Your Work
on the toolbar. (Alternately, pull down the "File" Menu, and choose either Save Project or Save Project As.| If this is the first time you have saved these files, you will be presented with the "Save Project" screen in order to give a name and directory location to the new project file (.apr) that will store the current data. Save your project often. To copy or rename the file, make the Project Window active, click File on the menu bar to pull down the "File" Menu, then click Save Project As. ArcView will prompt you for another project filename (and directory). |  |
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Modifying Shapefiles
Changing Theme Properties
The Legend Editor
Notice the edited theme legend differs from the legend of the imported themes.| Imported: | Edited: |
Step 1: Open the "Legend Editor" box by:
 |  Step 2: Double-click the Symbol box in the Legend Editor to open the "Theme Properties Editor". Edit the theme's properties by using the buttons on the pallette (see the Pallette Functions Overviewsection below). Step 3: Click Apply in the Legend Editor. Make sure the Legend has changed as desired, then close the Legend Editor. |
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Pallette Functions Overview
 | Fill Pallette: Change border width and fill pattern of polygons. |  | Pen Pallette: Change line width and style of line themes. |
 | Marker Pallette: Change symbol, symbol size and plotting angle of point themes. |  | Font Pallette: Change text font, size and style used in graphics. |
 | Color Pallette: Change color selection for polygons, lines, points or text. Be sure to select what you are changing: (Foreground, Background, Outline or Text). |  | Pallette Manager: Load your own symbols and pallettes. See your ArcView manual for specific instructions. |
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Changing the Map Projection
 | Step 1: Click View on the menu bar to pull down the "View" menu. Then clickProperties to open the "View Properties" window. Step 2: Click Projection in the "View Properties" window to open the "Projection Properties" window. |
 | Step 3: Edit "Projection Properties" to define your projection. You may have to click the "Standard" button to access the Category field. Then click OK. |
Lambert Conformal:
a. Category: Projections of a Hemisphere
b. Type: Lambert Equal-Area Azimuthal
c. Custom
d. Central Meridian: -88.0 (88 deg West Longitude)
e. Reference Latitude: 37.0 (+37 deg North)
f. OK
g. Map Units: meters (default)
h. Distance Units: miles (default, change as needed)
i. OK
Polar Stereographic:
a. Category: Projections of a Hemisphere
b. Type: Stereographic [North Pole]
c. Custom
d. Central Meridian: -105.0 (105 deg West Longitude)
e. Reference Latitude: 90.0 (do not change)
f. OK
g. Map Units: meters (default)
h. Distance Units: miles (default, change as needed)
i. OK
View from Geostationary Spacecraft:
a. Category: Projections of the World
b. Type: The World from Space (Orthographic)
c. Custom
d. Central Meridian: -90.0 (90 deg West Longitude)
e. Reference Latitude: 0.0 (Equator)
f. OK
g. Map Units: meters (default)
h. Distance Units: miles (default, change as needed)
i. OK
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Examining Table Attributes
Access theme attributes for a specific record of the active theme
 | Step 1:: Make the theme active by clicking on it (the theme's button will appear to be raised). Step 2: Select the Info button on the toolbar.  Step 3: Click on a point, line or polygon displayed in the "View". One record of information will be displayed for each feature selected (the feature's record is also highlighted in the attributes table). |
Access multiple records of the attributes table of the active theme
| Step 1: Make the theme active by clicking on it (the theme's button will appear to be raised). Step 2: Click the Open Table button on the toolbar.  Step 3: Click on one or more records in the table, or click on one or more points/lines/polygons of the active theme in the "View". Both the record(s) and the selected point(s)/line(s)/polygon(s) will be highlighted (selected). Hold down the Shift key while clicking to select multiple records. Click the "Promote" button  to move the selected records to the top of the table. |  |
Querying Database Records
 | Step 1: Make the theme active by clicking on it (the theme's button will appear to be raised). Step 2: Click the Query button on the toolbar.  |
| Step 3: Build the expression by double-clicking the selected field, single-clicking the selected mathematical operator, and double-clicking the selected value (in this example, make the "c_30jl99.shp" theme active and query on CWA = "AKQ" and countyname = "Surry"). Step 4: Choose to either create a "New Set", "Add to Set", or "Select from Set" from the buttons located to the right of the expression window. To create a dataset containing only these values, select "New Set"; to add these values to previously selected values, select "Add to Set"; or, to refine a previously defined set by eliminating a value(s) meeting the conditions of the query expression, choose "Select from Set". |  |
 | Step 5: Close the Query box. Step 6: Click the Zoom to Selected button on the toolbar.  The results will appear in the work area. |
Step 7: Choose the Clear Selected button on the toolbar.
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Creating a New Theme (Watch-Warning Box)
| Step 1: Choose New Themefrom the View Menu. |  |
| Step 2: Choose Polygon from the list of choices (Point, Line, Polygon). |  |
Step 3: Choose the default or provide your own name and location for the new theme.
Step 4: Choose the Draw Polygon tool from the "Drawing Tools" drop-down menu.  Draw the polygon by clicking for each vertice (the cursor will be a crosshair). Double click on the last vertice. The new theme is added to the project legend and the "View" area. |  |
To add Data to the new Theme
Step 5: Open the theme table.(On opening, the table is put into edit mode, and the menu changes to the "Table" Menu)
Step 6: Choose Start Editing from the Table Menu.To add a field or a record to the table...
Step 7: Select the "edit attributes" tool on the toolbar.
Step 8: Choose either Add Field or Add Record from the Edit Menu.
Pressing the Enter or Return key ends each "edit"
Step 9: Choose either Stop Editing, Save Edits or Save Edits As from the Table Menu when you are finished.
Stop Editing: when finished editing the table
Save Edits: to save edits and continue editing the table of the active theme
Save Edits As: to save as another file
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Editing a Theme's Features
To add, delete, or modify features of a theme...
Method 1: Line Editing
| Step 1: Make the theme to be edited "active". Step 2: Choose Start Editing from the Theme Menu. |  |
| Step 3: Click on the "drawing tool" pull-down menu button and select the drawing tool matching the shape of the "active" theme. (The "drawing tool" button is the last button in the second row and looks like this:) Use this tool if the "active" theme is a point:  Use this tool if the "active" theme is a line:  Use this tool if the "active" theme is a multi-point line:  Use this tool to draw a rectangle:  Use this tool to draw a circle:  Use this tool if the "active" theme is a polygon:  Notice that the mouse pointer becomes a "plus" sign after returning to the drawing area. |  |
; then click on the feature you want to edit.Step 4a: Add Vertice The target symbol will appear when the edit cursor (crosshair) is on the feature border.Click where you want to add a vertice.
Step 4b: Move Vertice Center the edit cursor (crosshair) in a vertice square.Hold down the mouse button to drag the vertice to a new location.
Step 4c: Delete Vertice Center the edit cursor (crosshair) in a vertice square.
To add a new highway...
To draw a new highway connecting highways S10 and U460 in CWA AKQ (make the Highways.shp theme "active" and select
to get information)Click your starting point; hold down the mouse button and continue single-clicking the different vertex points. When you reach the endpoint, double-click. The result should be the new line with selection bars around it like this (showing the before and after images):
Before:
| Image: | Attributes Table: |
|---|---|
 |  |
Record Counter: |
| Image: | Attributes Table: |
|---|---|
 |  |
Record Counter: |
Method 2: Point Editing
   | The theme must be "active" and the feature must be "selected". Step 1: Click the right mouse button to pull down an editing menu. Step 2: Click on Shape Properties to pull down the Shape Properties Menu. The point highlighted in the window is highlighted (by a black circle) in the work area. Step 3: Choose either Stop Editing (if you are finished editing this theme), Save Edits (to save your work to the current theme and continue working), or Save Edits As (to save as a different theme) from the Theme Menu. Note also, that you can see the latitude-longitude of the cursor in the top right corner of the screen to the right of the scale indicator:  Step 4: The "Open Table" button retrieves the database for editing data in the new record. While the new feature has the selection bars around it, the "Promote" buttonmoves the selected record to the top of the table. |
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Copying a Theme's Features
For example, copy selected county or zone polygons to the clipboard, then paste them to your new, empty Watch-Warning Box theme.
| Step 1: Make the source theme active. Step 2: Select the feature(s) you want to copy.  (click the starting point and drag the box over your selection)Step 3: Choose Start Editing from the Theme Menu. Step 4: Choose Copy Feature from the Edit Menu (Ctrl-C) to copy the selected features to the clipboard. Step 5: Choose Stop Editing from the Theme Menu. DO NOT Save Edits |  |
 | Step 6: Make your destination theme the "active" theme.(If you don't have a destination theme, see the Creating a New Theme (Watch-Warning Box)section). Step 7: Choose Start Editing from the Theme Menu (a new theme is already in "edit" mode). Step 8: Choose Paste from the Edit Menu to paste the copied feature(s) from the clipboard[ctrl-V]. Step 9: Choose Stop Editing from the Theme Menu. Step 10: In the "Save edits to themename" box, click the YES button. |
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Combining a Theme's Features
 | Before beginning this example, we will query the CWA theme (w_30jl99.shp) for CWA="ABQ" (see the Querying Database Records section). Convert the query results to a shapefile; overlay the counties theme (c_30jl99.shp). |
| Step 1: Make the counties theme "active". Step 2: Choose Start Editing from the Theme Menu. Step 3: Select the counties in the Warning Area (features are not "selected" until "editing" is "started"). Step 4: Choose Union Features from the Edit Menu.  .Step 5: Choose Save Edits As from the Theme Menu to save the unioned features as a new theme. Step 6: (Be sure the "new" theme is active) Choose Stop Editing to save the "edits" to the new theme. |    |
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Intersecting Polygons
In this example, we will find the area of CWA DMX that is covered by a Watch-Warning Box.
Step 1: Choose Extensions from the File Menu. | Step 2: Choose the Geoprocessing Wizard tool from the drop-down menu. | Step 3: Load the Geoprocessing Wizard by choosing Geoprocessing Wizard from the View Menu. |
Step 4: Choose Intersect Two Themes from the GeoProccessing screen. Step 5: Click Next |
| Step 6: In the "Select input theme to intersect" box, choose the name of the shapefile representing your CWA. In the "Select an overlay theme" box, choose the name of the shapefile representing the Watch-Warning area. Specify a name for the output file. Step 7: Click Finish. |  |
| Before intersection: |
|---|
 |
| After Intersection: |
 |
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Merging Themes
| Step 1: Choose Extensions from the File Menu. | Step 2: Choose the Geoprocessing Wizard tool from the drop-down menu. | Step 3: Load the Geoprocessing Wizard by choosing Geoprocessing Wizard from the View Menu. |
| Step 4: Choose Merge themes together from the GeoProccessing screen. Step 5: Click Next.  | Step 6: In the Select at least two themes to merge: box, select the names of the themes to merge. (all themes to be merged together must be the same shape). Step 7: In the Use fields from: box, select the name of the shapefile containing the most common fields. Step 8: Specify a name for the output file. Step 9: Click Finish.  |
Before:
After:
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Splitting Line or Polygon Themes
Lines
Highway U20 runs through CWAs BOI, PDT, and MFR.In this example, we will split the highway along the CWAs' borders.
 | Step 1: Make the U20 theme "active". Step 2: Select the feature that will be edited. Step 3: Choose Start Editing from the Theme Menu. Step 4: Choose the "linesplit" tool from the drawing tool drop-down menu.  The cursor changes to a crosshair. |
Step 5: Draw the line to split the theme along the CWA borders. | |
Step 6: Stop Editing. |
Polygons
In this example, we will split CWA BOI. | Step 1: Make the theme "active" and select the feature. Step 2: Choose Start Editing from the Theme Menu. The feature will be surrounded by graphics editing handles.  |
Step 3: Choose the "polygon split" tool from the drawing tool drop-down menu. The cursor changes to a crosshair.Step 4: Draw the line to split the theme. REMEMBER TO GO OUTSIDE THE BORDERS.  | Step 5: Choose Stop Editing from the Theme Menu and Save your edits. |
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Cropping Shapefiles
Most offices are only concerned with a limited geographic area.
Cropping the highways and county lines for CWA ARX.
Step 1: Query the "w_30jl99.shp" theme for CWA="ARX". | Step 2: Choose Convert to Shapefile from the Theme Menu. |
To crop the "highways.shp" theme to include only the highways in CWA ARX:
Method 1: Select by Theme
| Step 1: Make the highways.shp theme "active". Step 2: Choose Select by Theme from the Theme Menu.  | Step 3: In the "Select features of active themes that" box, choose Intersect. In the "the selected features of" box, choose Arx.shp. Step 4: Select either New Set, Add to Set, or Select from Set.  |
| All highways that intersect with CWA ARX are highlighted. They can now be converted to a new shapefile containing only the selected features.  | The counties shapefile (c_date.shp) can be cropped in the same way. |
To crop the "highways.shp" theme to include only the highways in CWA RIW:
Method 2: Select Features Using Graphic
| Step 1: Query CWA shapefile for CWA="RIW". Make the highways theme "visible" and "active".  | Step 2: Select the rectangle drawing tool from the drawing tools drop-down menu. Draw a rectangle over RIW.  |
Step 3: Select the features in the rectangle by clicking the Select Features Using Graphic button.  | Step 4: Choose Convert to Shapefile from the Theme Menu. Click YES when prompted to add the shapefile to the 'View'. Click the small box to the left of the theme in the legend to make the shapefile 'visible'.  |
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Handling Images
Digital Elevation Models
DTMs are known as Digital Terrain Maps or Digital Elevation Models(DEM). Four files will be needed to load and register this DTM, as described below. (The AMDC mirrors the NGDC 30 arcsec CONUS DTM as file "ustopo.bil", and provides working samples for the Header, World and Color files). The four files are:
Image File (*.bil):
DTMs are usually organized as "Band Interleaved by Line" (BIL). The data values are usually bytes (8 bits) or integers (16 bits) starting with the upper left "pixel", ordered from left to right, and then line by line from top to bottom. (North is up.) Other image formats recognized by ArcView 3.1 include "Band Interleaved by Pixel" (BIP) and "Band Sequential" (BSQ). The *.bil image format is defined in ArcView 3.1 Help Topic "BSQ, BIL, BIP", and is a binary file.
Header File (*.hdr):
The header (text) file describes the image using the keyword value format. The entries can be in any order; and, default values are provided for most keywords if they are omitted. The contents for AMDC file "ustopo.hdr" are as follows:
nrows 3240
ncols 4080
nbands 1
nbits 16
byteorder M
layout bil
Other keywords were not needed, including skipbytes (default=0), ulxmap, ulymap, xdim and ydim.
The *.hdr file is defined in ArcView 3.1 Help Topic "BSQ, BIL, BIP", and is a text file.
World File (*.blw):
Six parameters define the affine transformation of pixel location [x,y] to display coordinates [x',y'], namely:
x' = Ax + By + C
y' = Dx + Ey + F
These parameters are stored in the order A, D, B, E, C then F. Jim Ramer/FSL identified ustopo.bil as a flat file composed of 2 byte integers with elevation in meters. The dimensions are 4080 by 3240 scanning down on a cylindrical equidistant projection (lat/lon grid), running from 127.991666W to 60.0041666W and 50.9916666N to 24.0041666N. From this, we estimate that B and D are both zero (no rotation), that C and F are the longitude and latitude of the upper left hand corner, and that A and D are decimal degree "distances" between grid points. From this information, the world file would look something like this:
0.01666360294118
-0.008329475308642
0.0
0.0
-127.991666
50.991666
The *.blw table is discussed in ArcView 3.1 Help Topic "How images are registered to a map", and is a text file.
Color Look Up Table (*.clr): (This is optional).
The *.clr file is defined in ArcView 3.1 Help Topic "BSQ, BIL, BIP", and is a text file.
Loading to ArcView 3.1 GIS:
Once all four files have been defined and properly named, simply Add Image Theme and select the *.bil image file. For the NGDC 30 arcsec CONUS DTM, be sure that the View/Properties/Projection is set to Projections of the World, Geographic (lat/lon). Available AMDC images of ustopo.bil include a CONUS view and a view of CO, UT and WY with Zones and Rivers.
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Moving Shapefiles to AWIPS
See Question 5, How do I add maps to AWIPS?, on the AWIPS Shapefile FAQs webpage.
To see your changes adopted by the national dataset, send your changed shapefile to the NWS HQ AWIPS Map Database Catalog, c/o David Vercelli/NWS MSIG.
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More Information
This tutorial's purpose is to enable the user to be immediately productive with the software.
For more detailed information, consult the "Using ArcView GIS" manual included with the ArcView software or visit ESRI's online help at http://www.esri.com.
For specific questions related to NWS shapefiles, contact Ira Graffman at 301-713-0763 ext. 104
To subscribe to the ESRI and ArcView mail lists, go to http://www.esri.com/usersupport/support/selfhelp/lists-sub.html
Information and spatial databases for NWS AWIPS are maintained by the NWS AWIPS Program Office, Deployment Division.
The data and documents contained herein are freely available for public reuse and disribution at http://isl715.nws.noaa.gov/mapdata/.
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Acknowledgements
Thanks to the following individuals for their efforts in production and review of this tutorial:
Kevin Schrab (Western Region SSD), Ira Graffman OST/SEC, Dave Vercelli (NESDIS), Matt Foster (Shreveport WFO), Dan Koch (Midland WFO), Andy Patrick (Corpus Christi WFO), Marcus Cole (NOAA),Susan Beckwith and Bernard Meisner (Southern Region SSD), and Laurie Hermes (Eastern Region SSD). Partial support for the development of "GIS Meteorology" has been provided by NWS Contract 52-DGNW-2-00054, Systems Engineering and Technical Support Services (SETSS), under the direction of David Vercelli. Additional support has been provided by George Mason University, by permission of Dr. Rich Diecchio, Chairman, Department of Geography. The following individuals have contributed significantly to the concept of "GIS Meteorology": NWS: David Vercelli, Naba Barkakati, Bill Carrigg and Mike Heathfield; SAO: Roger Shriver; ESRI: David Beddoe, Bill Ehrhardt and Mark Smith; USDA: Ray Motha and Al Peterlin.
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Last Updated: May 2000
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