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=-20&umax=50&vmin=-30&vmax=40&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:  2026-08-02 06:54 UTC

SFC STATION: KHSV (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KHSV&format=json
SFC VALID:   2026-08-02 06:53 UTC
Decoded surface and VAD profile data

Surface observation

METAR KHSV 020653Z AUTO 33003KT 10SM SCT085 22/20 A2976 RMK AO2 SLP070 T02170200 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK103.0330—
FAIL734.0293.7
FAIL1345.03154.9
FAIL1945.02854.7
FAIL3774.02663.0
FAIL5608.02474.0
OK68218.02484.5
OK74315.02485.6
OK98726.02454.8
OK104825.02414.3
OK129229.02353.7
OK138330.02373.4
OK159732.02363.6
OK171830.02325.0
OK190128.02313.8
OK217628.02333.1
OK220627.02282.8
OK251128.02242.9
OK281629.02282.5
OK860726.02142.1

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).

KHTX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Huntsville-Chattanooga (TN), AL, valid 2026-08-02 06:54 UTC