KGRK WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KGRK WSR-88D NEXRAD weather radar near Killeen (Ft. Hood), TX. 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=KGRK&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-20&umax=20&vmin=-10&vmax=30&maxheight=12000&dynamicbounds=true&sfcstn=KGTU

RADAR SITE:  KGRK - Killeen (Ft. Hood), TX (SFC ELEV 164 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kgrk/sn.last
NIDS VALID:  2026-08-11 01:51 UTC

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

Surface observation

METAR KGTU 110155Z 15010KT 10SM CLR 30/21 A3004 RMK AO2 SLP165 T03000211

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK1010.0150—
OK11016.01724.0
OK14117.01744.6
OK20219.01703.7
OK32418.01613.0
OK44620.01713.0
OK53720.01692.9
OK75019.01752.2
OK102515.01763.5
OK105514.01713.1
OK13308.01833.5
OK136014.01732.1
FAIL16655.01813.1
OK19707.02233.2

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).

KGRK WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Killeen (Ft. Hood), TX, valid 2026-08-11 01:51 UTC