PACG WSR-88D VAD Hodograph and Wind Profile

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

RADAR SITE:  PACG - Sitka, AK (SFC ELEV 63 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.pacg/sn.last
NIDS VALID:  2026-08-11 02:39 UTC

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

Surface observation

METAR PASI 110153Z 21004KT 10SM OVC047 16/14 A3010 RMK AO2 SLP192 T01610139 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK104.0210—
OK1207.02842.3
OK1817.02852.5
FAIL2427.02826.2
FAIL3035.02789.2
FAIL5164.02983.6
FAIL5474.02963.6
FAIL7604.02292.2
FAIL8513.02801.7
FAIL103410.01457.2

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).

PACG WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Sitka, AK, valid 2026-08-11 02:39 UTC