KOTX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KOTX WSR-88D NEXRAD weather radar near Spokane, WA. 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=KOTX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-10&umax=50&vmin=-40&vmax=20&maxheight=12000&dynamicbounds=true&sfcstn=KSKA

RADAR SITE:  KOTX - Spokane, WA (SFC ELEV 727 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kotx/sn.last
NIDS VALID:  2026-08-02 06:48 UTC

SFC STATION: KSKA (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KSKA&format=json
SFC VALID:   2026-08-02 06:27 UTC
Decoded surface and VAD profile data

Surface observation

SPECI KSKA 020627Z 23013KT 10SM CLR 14/01 A3004 RMK AO2A WSHFT 12 SLP156 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK1013.0230—
OK12621.02527.3
OK18721.02604.5
OK34028.02974.6
OK49229.02973.9
OK52328.03023.7
OK73630.03063.9
OK79730.03063.8
OK101031.03075.2
OK110232.03114.5
OK131529.02977.8
OK140721.02845.8
OK165024.02626.0
OK171124.02626.0
OK201628.02935.7
OK232131.02965.4
OK262632.02984.7
OK293140.03023.5

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).

KOTX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Spokane, WA, valid 2026-08-02 06:48 UTC