KFSD WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KFSD WSR-88D NEXRAD weather radar near Sioux Falls, 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=KFSD&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-40&umax=20&vmin=-40&vmax=20&maxheight=12000&dynamicbounds=true&sfcstn=KFSD

RADAR SITE:  KFSD - Sioux Falls, SD (SFC ELEV 436 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kfsd/sn.last
NIDS VALID:  2026-08-02 06:46 UTC

SFC STATION: KFSD (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KFSD&format=json
SFC VALID:   2026-08-02 06:56 UTC
Decoded surface and VAD profile data

Surface observation

METAR KFSD 020656Z AUTO 00000KT 10SM CLR 17/16 A3001 RMK AO2 SLP153 T01670156 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK100.00
FAIL1137.0984.2
OK1748.01083.8
OK29611.0823.9
OK47911.0813.7
OK50911.0733.8
OK72210.0694.1
OK78310.0694.2
OK99711.0384.9
OK108813.0324.0
OK133219.053.6
OK139316.073.4
OK166722.043.2
OK169822.033.3
OK200324.063.3
OK215525.043.1
OK230725.042.9
OK261225.0132.4
OK273425.0152.6
OK291725.0152.6
OK322223.052.2
OK340523.002.1

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).

KFSD WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Sioux Falls, SD, valid 2026-08-02 06:46 UTC