KDAX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KDAX WSR-88D NEXRAD weather radar near Sacramento-Davis, 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=KDAX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-10&umax=30&vmin=-10&vmax=30&maxheight=12000&dynamicbounds=true&sfcstn=KSAC

RADAR SITE:  KDAX - Sacramento-Davis, CA (SFC ELEV 9 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kdax/sn.last
NIDS VALID:  2026-08-11 01:31 UTC

SFC STATION: KSAC (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KSAC&format=json
SFC VALID:   2026-08-11 00:53 UTC
Decoded surface and VAD profile data

Surface observation

METAR KSAC 110053Z 20008KT 10SM CLR 31/13 A2979 RMK AO2 SLP087 T03110133

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK108.0200—
OK14314.02146.2
OK20420.02194.9
OK29621.02254.0
OK35714.02245.7
OK57013.02263.5
OK60013.02313.3
OK72210.02303.0
OK9059.02472.8
OK105810.02582.5
OK121012.02502.8
OK139314.02512.1
OK151514.02403.1

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).

KDAX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Sacramento-Davis, CA, valid 2026-08-11 01:31 UTC