Nexrad3 Information Page
Current Versions:
4.0 Pro (Demo available now)
Nexrad3 is a 32 bit Windows application for downloading and/or displaying WSR-88D radar Level III data messages available from the NWS data web servers. Radar images are generated from radial or raster data contained within the data messages. Looping options are also available.
Requirements:
- Windows 9x, ME, NT, 2000 (basically any 32-bit Windows OS) – NT or 2000+ HIGHLY RECOMMENDED.
- At least 256-color capabilities otherwise you'll get monochrome images. Display setting of (1024x768) 32bit (True Color) recommended.
- Memory requirements: at least 128MB recommended
- At least 5MB hard drive for the initial DEMO installation (CD install over 120MB).
Pro Edition Features
- (NEW-EXPERIMENTAL) 3D RADAR: By using all elevation angles of a site volume scan, we can construct a 3 dimensional view. Nexrad3's new 3D radar feature allows you to select any of your existing Area Maps for 3D viewing. The background map is converted into a image plane set at the surface (altitude of zero). Then for each site in your Area, the sweeps p19r0, p19r1, p19r2, p19r3 and p20-r are scanned and echoes are projected onto a volume grid. The resulting grid is then contoured to create isosurfaces representing 3D objects. Nexrad3 will create an offline/online loop or single image which can be auto-updated just like the normal image loops. MAKE SURE AND READ THE HELP TOPIC ON 3D BEFORE TRYING IT!
- (NEW) Pulldown alphanumeric data window on each radar view window.
- (NEW) Full radar data view box for all tabular text, alerts/warnings and product dependent data associated with each frame.
- (NEW) Special window for US Alerts/Watches/Warnings. Warned counties can be shown on radar images as well.
- Define your own multi-site composite/mosaic “area” map. Maps are drawn using GIS (ESRI) shapefiles. User can control most rendering properties like color, font, pen width, etc.
- Download and display latest radar data from user-selected site/product .
- Most publicly available raw radar products supported…Base Reflectivity, Base Velocity, Storm Relative Velocity, Echo Tops, Vertical Integrated Liquid, Composite Reflectivity, Layer Composite Reflectivity, (NEW) VAD Wind Profile and Surface Rain Accumulation.
- Overlay Products now supported (TVS,MESO,HAIL,STORM TRACKS,STORM STRUCTURE,SUPP PRECIP DATA).
- Absolute Velocity – done on multi-site radar images of base velocity – it takes the base velocity product and draws the data as non-directional wind values forced to a standard scale.
- MDI (multi-window) design which means you can have any number of radar views open, each one being auto-updated.
- Full Screen mode (similar to screen saver).
- Expanded Level II archive support. Can loop selected sweeps within multiple volume scans onto any existing “area” map of your choice, or onto its “standard” map.
- Smarter multi-site mosaic composites – all composite frames are now forced to standard scales to prevent conflicting data scales from one site to another. This includes sites that are in “clear air” mode.
- Output formats include BMP, JPEG, PNG and AVI.
- Any “Polygon”, “Arc” or “Point” shapefile can be inserted into Nexrad3’s “Shapefile folder” mapping use.
- User-controlled radar color tables with seperate color tables for different radar product families.
- EASY automated data retrieval using either the “timer” download features or the “Auto-Update” features on each radar viewer window.
- “VCR” controls for Pause, Frame Advance, Zoom, etc. for loops.
Nexrad3 Screen Shots
The demo version only includes the basic "World" shapefile for map making. The MAP OPTIONS menu offers several automated shapefile downloads. The "US Alerts" feature requires some AWIPS warning zone shapefiles which also are not included with the demo package. There are also links for them on the MAP MENU. The CD Purchase version includes all necessary shapefiles
Nexrad3 Version 4 Pro can be purchased online from Hurricane Alley, or you can send a check or money order for $80 to me at:
Michael Bryson
309 Wilma Circle
Riviera Beach, FL 33404
(be sure to include your email address or mail address)
Download the Nexrad3 Version 4 Demo.