KTWX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KTWX WSR-88D NEXRAD weather radar near Topeka, KS. 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=KTWX&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=KTOP

RADAR SITE:  KTWX - Topeka, KS (SFC ELEV 417 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.ktwx/sn.last
NIDS VALID:  2026-08-11 02:05 UTC

SFC STATION: KTOP (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KTOP&format=json
SFC VALID:   2026-08-11 01:53 UTC
Decoded surface and VAD profile data

Surface observation

METAR KTOP 110153Z AUTO 00000KT 10SM CLR 28/24 A2989 RMK AO2 SLP110 T02830239

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK100.00—
OK13225.01894.3
OK19332.01952.9
OK34528.01933.7
OK49730.01993.5
OK55831.01974.5
OK77231.02102.4
OK80230.02092.8
OK101630.02212.4
OK110729.02212.7
OK135128.02363.0
OK141229.02342.5
OK171723.02402.7

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).

KTWX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Topeka, KS, valid 2026-08-11 02:05 UTC