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=-30&umax=40&vmin=-40&vmax=30&maxheight=12000&dynamicbounds=true

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:  2026-08-11 02:18 UTC
Decoded surface and VAD profile data

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
FAIL7711.02466.8
OK13814.02356.5
OK19923.02364.3
OK35117.02555.6
OK50421.02584.7
OK56420.02605.1
OK74717.02814.8
OK80815.02764.5
OK102220.02944.5
OK111314.02884.9
FAIL135712.0406.4
OK141815.03505.1
OK169214.0165.1
OK172314.075.1
OK202821.0195.3
OK218023.0105.3
OK233225.0134.1
OK263725.0164.2
OK272927.0184.4
OK294230.0204.4
OK324728.073.7
OK343030.03533.2
OK355230.012.2

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 2026-08-11 02:18 UTC