KNKX WSR-88D VAD Hodograph and Wind Profile

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

RADAR SITE:  KNKX - San Diego, CA (SFC ELEV 291 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.knkx/sn.last
NIDS VALID:  2026-08-02 06:51 UTC

SFC STATION: KNKX (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KNKX&format=json
SFC VALID:   2026-08-02 06:55 UTC
Decoded surface and VAD profile data

Surface observation

METAR KNKX 020655Z 00000KT 7SM CLR 19/18 A2990 RMK AO2 SLP119 T01890178 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK100.00—
FAIL1363.0617.4
FAIL1975.0365.3
FAIL3198.03506.0
FAIL34913.03506.9
OK56214.03365.9
OK62315.03324.9
OK74519.03234.0
OK92824.03233.9
OK102023.03194.4
OK123323.03235.5
OK135524.03184.0
OK153823.03185.2
OK169024.03135.4
OK184325.03213.6
OK214724.02965.0

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).

KNKX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near San Diego, CA, valid 2026-08-02 06:51 UTC