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=-10&umax=40&vmin=-40&vmax=10&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:  2026-08-11 01:55 UTC

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

Surface observation

METAR KGRR 110153Z 31003KT 8SM FEW015 BKN250 24/22 A2995 RMK AO2 SLP138 T02390217 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK103.0310—
FAIL686.03205.1
FAIL1297.03284.2
OK22010.03414.4
OK37211.03454.5
OK58612.03524.8
OK67713.03444.0
OK76912.03564.7
OK98212.03184.0
OK104312.03354.9
OK128713.03114.0
OK134812.03123.9
OK159216.03162.6
OK171416.03163.2
OK189617.03162.1
OK217123.03102.7
OK220123.03102.5
OK250627.03053.2
OK275029.03062.3
OK281129.03062.2
OK311630.03101.4
OK342030.03121.1

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).

KGRR WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Grand Rapids, MI, valid 2026-08-11 01:55 UTC