KRIW WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KRIW WSR-88D NEXRAD weather radar near Riverton, WY. The hodograph plots horizontal wind vectors by height above ground, with color-coded altitude layers and optional METAR surface-wind data.

Latest profile valid .

Request and source metadata
URL CALL:    http://www.twisterdata.com/vad/vad.php?radar=KRIW&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-30&umax=40&vmin=-40&vmax=30&maxheight=12000&dynamicbounds=true&sfcstn=KRIW

RADAR SITE:  KRIW - Riverton, WY (SFC ELEV 1697 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kriw/sn.last
NIDS VALID:  2026-08-11 01:57 UTC

SFC STATION: KRIW (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KRIW&format=json
SFC VALID:   2026-08-11 01:53 UTC
Decoded surface and VAD profile data

Surface observation

METAR KRIW 110153Z AUTO 02005KT 10SM CLR 30/01 A3004 RMK AO2 SLP095 T03000006 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK105.020—
FAIL13210.0415.7
OK19310.0334.3
FAIL3459.03595.1
OK43614.03563.5
FAIL55811.03455.8
FAIL10463.093.6
FAIL13512.02782.5
FAIL16561.02712.2
FAIL16863.092.7
FAIL19602.0841.7
FAIL25704.02503.4
FAIL31803.02202.6
OK378911.02632.7
OK409419.02693.4
OK421611.02532.6
OK439923.02812.0
OK500822.02762.1
OK528311.02542.3
OK561816.02822.4
OK592312.02822.4
OK622818.02653.3
OK683726.02694.5
OK744729.02605.7

QC keeps a level only where its wind speed exceeds twice its RMS fit error (the operational 2×RMS signal-to-noise test). FAIL rows are retained here for reference but excluded from QC-filtered plotting. A dash means the product reported no RMS for that level (kept, not assessable).

KRIW WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Riverton, WY, valid 2026-08-11 01:57 UTC