KSRX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KSRX WSR-88D NEXRAD weather radar near Fort Smith, AR. 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=KSRX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-40&umax=30&vmin=-60&vmax=10&maxheight=12000&dynamicbounds=true&sfcstn=KFSM

RADAR SITE:  KSRX - Fort Smith, AR (SFC ELEV 200 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.ksrx/sn.last
NIDS VALID:  2026-08-02 06:45 UTC

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

Surface observation

METAR KFSM 020653Z 28004KT 10SM CLR 22/19 A2989 RMK AO2 SLP116 T02170189

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK104.0280
OK10513.03273.3
OK19616.03423.2
OK31817.03513.4
OK41022.022.8
OK53222.063.1
OK71429.0143.3
OK74529.0143.5
OK101935.0163.3
OK132432.0174.1
OK135532.0184.0
OK162928.0193.6
OK165930.0214.2
OK193435.0203.9
OK217737.0193.4
OK223838.0203.3
OK254333.0132.5
OK275733.072.4
OK284832.042.5
OK315331.002.2
OK342732.012.6
OK345832.002.5

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).

KSRX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Fort Smith, AR, valid 2026-08-02 06:45 UTC