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=-30&umax=30&vmin=-20&vmax=40&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:  2026-08-08 01:07 UTC

SFC STATION: KRAP (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KRAP&format=json
SFC VALID:   2026-08-08 00:52 UTC
Decoded surface and VAD profile data

Surface observation

METAR KRAP 080052Z 12011KT 10SM CLR 28/04 A3009 RMK AO2 SLP166 T02780039

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK1011.0120
OK12816.01165.0
OK18916.01152.7
OK28016.01202.3
OK34115.01262.9
OK55414.01285.6
OK58514.01402.5
OK73713.01426.3
OK89015.01703.9
OK119514.01902.6
OK149919.02344.4

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 2026-08-08 01:07 UTC