KUDX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KUDX WSR-88D NEXRAD weather radar near Rapid City, SD. 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=KUDX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-40&umax=50&vmin=-40&vmax=50&maxheight=12000&dynamicbounds=true&sfcstn=KRAP

RADAR SITE:  KUDX - Rapid City, SD (SFC ELEV 939 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kudx/sn.last
NIDS VALID:  2026-08-02 06:48 UTC

SFC STATION: KRAP (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KRAP&format=json
SFC VALID:   2026-08-02 06:52 UTC
Decoded surface and VAD profile data

Surface observation

METAR KRAP 020652Z 14006KT 10SM CLR 23/11 A2993 RMK AO2 SLP096 T02330111 403780144

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK106.0140—
OK12828.01904.0
OK18932.01962.4
OK28036.01992.4
OK34135.02025.4
OK55441.02074.0
OK58543.02052.6
OK73740.02093.3
OK89037.02102.8
OK104231.02135.2
OK119522.02114.0
OK134715.02175.9
OK149914.02051.5
OK17139.01922.5
OK18047.01851.4
OK21095.01972.3
FAIL21704.01433.3
FAIL24145.03476.0
OK271923.03468.1
FAIL274917.03088.5
OK302324.03216.4
OK332833.03245.2
OK363332.03224.3

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).

KUDX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Rapid City, SD, valid 2026-08-02 06:48 UTC