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=-30&umax=30&vmin=-30&vmax=30&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:  2026-08-11 02:41 UTC

SFC STATION: KFSM (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KFSM&format=json
SFC VALID:   2026-08-11 01:53 UTC
Decoded surface and VAD profile data

Surface observation

METAR KFSM 110153Z 18006KT 10SM CLR 33/21 A3000 RMK AO2 SLP151 T03280206

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK106.0180—
OK10515.01883.1
OK13515.01863.2
OK19616.01902.7
OK34918.01913.1
OK41019.01962.5
OK53218.01963.0
OK71419.02002.8
OK101914.02093.1
OK132412.02033.0
FAIL13558.01884.1
FAIL16294.01464.1
FAIL16594.01414.4
FAIL19342.0353.5
FAIL21773.03353.9
FAIL22383.02833.6
FAIL25435.02603.0
FAIL27266.02643.3
FAIL28487.02623.8
OK31537.02462.7
OK342711.0342.5
OK345811.0402.5
OK376210.0943.7

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).

KSRX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Fort Smith, AR, valid 2026-08-11 02:41 UTC