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=-20&umax=50&vmin=-20&vmax=50&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:  2026-08-02 06:49 UTC

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

Surface observation

METAR KTYS 020653Z 18009KT 5SM -RA BR SCT050 BKN065 OVC085 22/21 A2976 RMK AO2 PK WND 21026/0554 RAE20B37 SLP066 P0065 T02170206 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK109.0180—
OK11016.02391.6
OK20117.02361.9
OK35421.02212.5
OK50622.02202.2
OK53722.02223.5
OK72024.02182.7
OK81126.02141.9
OK99426.02142.1
OK111626.02142.3
OK132929.02092.6
OK142129.02101.9
OK166531.02082.4
OK172531.02092.4
OK203033.02072.4
OK215233.02043.0
OK233533.02004.5
OK264032.01923.2
OK273133.01893.5
OK294532.01843.5
OK324931.01943.3
OK340231.01903.0
OK355431.01923.2
OK385927.01924.0
OK416428.01933.9
OK422527.01883.4
OK446925.01903.7
OK477326.01994.3
OK507824.01994.1
OK529224.01994.5
OK538325.02024.4
OK568826.02084.5
OK629729.02154.3
OK690736.02144.3
OK721232.02252.7
OK733433.02243.8
OK751734.02263.2
OK812634.02263.6
OK873635.02363.2
OK1010741.02273.6
OK1026040.02253.1

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).

KMRX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Knoxville-Morristown, TN, valid 2026-08-02 06:49 UTC