KRAX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KRAX WSR-88D NEXRAD weather radar near Raleigh-Durham, NC. 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=KRAX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-20&umax=30&vmin=-10&vmax=40&maxheight=12000&dynamicbounds=true&sfcstn=KJNX

RADAR SITE:  KRAX - Raleigh-Durham, NC (SFC ELEV 106 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.krax/sn.last
NIDS VALID:  2026-08-02 09:06 UTC

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

Surface observation

METAR KJNX 020855Z AUTO 00000KT 10SM BKN019 BKN075 BKN100 24/23 A2985 RMK AO2

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK100.00—
FAIL7711.01397.8
FAIL13815.01527.8
OK19921.01593.5
OK35115.01686.2
OK50423.01912.8
OK56420.01863.0
OK80821.01911.6
OK141825.02313.1
OK202827.02201.0
OK425315.02111.9

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).

KRAX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Raleigh-Durham, NC, valid 2026-08-02 09:06 UTC