KEMX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KEMX WSR-88D NEXRAD weather radar near Tucson, AZ. 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=KEMX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-50&umax=20&vmin=-30&vmax=40&maxheight=12000&dynamicbounds=true&sfcstn=KTUS

RADAR SITE:  KEMX - Tucson, AZ (SFC ELEV 1586 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kemx/sn.last
NIDS VALID:  2026-08-06 09:51 UTC

SFC STATION: KTUS (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KTUS&format=json
SFC VALID:   2026-08-06 09:53 UTC
Decoded surface and VAD profile data

Surface observation

METAR KTUS 060953Z 11011KT 10SM CLR 24/19 A3003 RMK AO2 SLP116 T02390189

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK1011.0110—
FAIL12115.0297.6
FAIL18212.037.5
FAIL24311.03597.1
FAIL33410.006.5
FAIL51710.037.1
FAIL5489.03485.8
OK167516.0497.9
OK176721.0647.3
OK207217.0647.9
OK216318.0768.4
OK237723.01086.2
OK268124.01404.7
OK274226.01184.5
OK298628.01214.5
OK329125.01233.7
OK341324.01263.7
OK359627.01383.6
OK390125.01303.0
OK420530.01413.6
OK429731.01423.8
OK451031.01405.5
OK481531.01376.4
OK512030.01345.7
OK542525.01245.5
OK572922.01136.4
OK603419.01115.7
OK633918.01104.6
OK664416.01112.9
OK694915.01142.0
OK755813.01182.6
OK847313.01313.3
OK908214.01314.4

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).

KEMX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Tucson, AZ, valid 2026-08-06 09:51 UTC