KMRX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KMRX WSR-88D NEXRAD weather radar near Knoxville-Morristown, TN. 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=KMRX&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=KTYS

RADAR SITE:  KMRX - Knoxville-Morristown, TN (SFC ELEV 408 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kmrx/sn.last
NIDS VALID:  2026-08-11 01:26 UTC

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

Surface observation

METAR KTYS 110053Z 19007KT 10SM CLR 29/21 A3011 RMK AO2 SLP184 T02890211

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK107.0190—
OK11012.02193.5
OK20113.02192.7
OK35412.02342.4
OK50613.02262.0
OK53711.02372.5
OK72010.02482.7
OK81113.02451.7
OK99411.02682.8
OK111612.02761.8
OK132914.02892.4
OK142114.02922.6
OK166513.02981.9
OK172514.03001.6
OK203013.03181.8
OK215213.03272.0
OK233513.03322.1
OK264015.03501.9
OK273116.03562.0
OK294519.021.8
OK324918.071.4
OK343219.071.4
OK355419.061.5

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).

KMRX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Knoxville-Morristown, TN, valid 2026-08-11 01:26 UTC