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=-20&umax=30&vmin=-30&vmax=20&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:  2026-08-02 06:49 UTC

SFC STATION: KRIW (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KRIW&format=json
SFC VALID:   2026-08-02 06:53 UTC
Decoded surface and VAD profile data

Surface observation

METAR KRIW 020653Z AUTO 27008KT 10SM CLR 25/M01 A3004 RMK AO2 SLP087 T02501006 403780156

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK108.0270—
OK13217.03084.1
OK19320.03173.2
OK34520.03214.0
OK43619.03202.9
OK55820.03233.4
OK74120.03212.8
OK101612.02924.5
OK104617.03143.7
OK135119.03114.2
OK165621.03075.2
OK171714.02766.5
OK196013.02633.9
OK220415.02606.0
OK226517.02905.7
OK257014.03106.7
FAIL275311.02596.9
FAIL287510.02877.6
OK318015.03165.3
OK342410.02434.3
OK348419.02414.1
FAIL50082.01312.0
FAIL56182.01391.5
OK62284.0941.7

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 2026-08-02 06:49 UTC