KHTX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KHTX WSR-88D NEXRAD weather radar near Huntsville-Chattanooga (TN), AL. 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=KHTX&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&sfcstn=KHSV

RADAR SITE:  KHTX - Huntsville-Chattanooga (TN), AL (SFC ELEV 537 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.khtx/sn.last
NIDS VALID:  2026-08-11 01:46 UTC

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

Surface observation

METAR KHSV 110053Z 00000KT 10SM BKN250 28/26 A3012 RMK AO2 SLP191 T02780256

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK100.00—
OK7313.02213.5
OK13412.02213.5
OK19413.02193.2
OK3478.02302.7
OK37712.02193.2
OK5607.02322.8
FAIL6826.02403.0
FAIL7436.02343.1
FAIL9875.02573.5
FAIL10174.02793.7
FAIL12926.03053.9
FAIL13535.03063.5
OK15978.03213.6
OK16888.03193.0
OK190110.03203.0
OK220611.03192.6
OK251113.03281.3
OK278512.03331.7
OK281614.03361.8
OK312116.03471.2

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).

KHTX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Huntsville-Chattanooga (TN), AL, valid 2026-08-11 01:46 UTC