KGRR WSR-88D VAD Hodograph and Wind Profile

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

RADAR SITE:  KGRR - Grand Rapids, MI (SFC ELEV 237 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kgrr/sn.last
NIDS VALID:  2026-08-02 06:52 UTC

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

Surface observation

METAR KGRR 020653Z AUTO 04007KT 9SM CLR 19/18 A2980 RMK AO2 SLP089 T01890178 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK107.040—
FAIL6810.0197.5
OK12919.0455.3
OK22025.0495.2
OK37233.0563.9
OK58631.0585.0
OK67732.0634.3
OK76931.0614.8
OK98229.0665.2
OK104327.0673.8
OK128725.0683.5
OK134822.0692.6
OK159219.0632.9
OK168319.0662.0
OK189618.0691.3
OK217118.0631.4
OK220118.0611.5
OK250621.0512.2
OK275022.0491.9
OK281123.0471.9
OK311619.0571.4
OK342017.0511.1
OK345117.0591.4
OK372517.0601.0
OK403016.0521.2
OK433515.0371.3
OK464016.0171.8
OK494422.0141.4
OK524925.002.4
OK555425.03572.1
OK585925.03552.5
OK646823.03583.2
OK707819.03542.5
OK738317.03511.7
OK768815.03481.8
OK82976.02921.0

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).

KGRR WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Grand Rapids, MI, valid 2026-08-02 06:52 UTC