KGYX WSR-88D VAD Hodograph and Wind Profile

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

RADAR SITE:  KGYX - Portland, ME (SFC ELEV 125 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kgyx/sn.last
NIDS VALID:  2026-08-08 01:39 UTC

SFC STATION: KLEW (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KLEW&format=json
SFC VALID:   2026-08-08 00:56 UTC
Decoded surface and VAD profile data

Surface observation

METAR KLEW 080056Z AUTO 16003KT 10SM CLR 26/24 RMK AO2 SLPNO T02610239 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK103.0160—
FAIL1199.01848.0
OK18010.01954.7
FAIL3328.01497.6
FAIL4853.01835.1
FAIL5154.0685.2
FAIL7288.0535.7
FAIL78910.0445.5
OK103317.0414.2
OK109418.0443.8
OK133820.0443.3
OK139920.0453.3
OK167320.0472.9
OK170420.0472.9
OK200919.0463.2
OK216118.0473.6
OK231318.0513.5
OK261820.0462.1

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).

KGYX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Portland, ME, valid 2026-08-08 01:39 UTC