KDLH WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KDLH WSR-88D NEXRAD weather radar near Duluth, MN. 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=KDLH&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-50&umax=30&vmin=-60&vmax=20&maxheight=12000&dynamicbounds=true&sfcstn=KDLH

RADAR SITE:  KDLH - Duluth, MN (SFC ELEV 435 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kdlh/sn.last
NIDS VALID:  2026-08-02 08:59 UTC

SFC STATION: KDLH (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KDLH&format=json
SFC VALID:   2026-08-02 08:55 UTC
Decoded surface and VAD profile data

Surface observation

METAR KDLH 020855Z 10004KT 10SM FEW005 14/14 A3002 RMK AO2 SLP165 T01440139 56002 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK104.0100
OK8320.0724.6
OK14420.0765.1
OK17522.0804.8
OK20522.0825.3
OK35820.0925.3
OK47918.01093.6
OK57116.01154.4
FAIL7848.01074.0
FAIL105911.0235.9
OK108913.0265.6
OK139416.0144.3
OK169919.004.6
OK172920.03584.5
OK200319.03453.7
OK221722.03493.4
OK230823.03523.0
OK261326.03591.1
OK279627.03591.4
OK291828.03581.5
OK322331.03580.9

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).

KDLH WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Duluth, MN, valid 2026-08-02 08:59 UTC