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=30&vmin=-20&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:  2026-08-11 02:03 UTC

SFC STATION: KSKA (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KSKA&format=json
SFC VALID:   2026-08-11 01:55 UTC
Decoded surface and VAD profile data

Surface observation

METAR KSKA 110155Z 27008KT 5SM FU CLR 28/04 A2994 RMK AO2A SLP120 T02780035 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK108.0270
OK12611.02825.4
OK18710.02773.7
FAIL34010.02675.1
OK49212.02732.8
OK5239.02623.9
OK7367.02423.4
FAIL7977.02413.8

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 2026-08-11 02:03 UTC