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=20&vmin=-30&vmax=10&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:  2026-08-02 09:02 UTC

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

Surface observation

METAR PASI 020853Z 32007KT 10SM OVC036 14/12 A3011 RMK AO2 SLP198 T01440122 401720111 53016 $

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK107.0320—
FAIL1208.03094.3
FAIL1817.03384.7
OK24212.03115.8
OK30313.03215.9
OK5168.03313.4
OK5478.03273.7
FAIL7606.03273.4
FAIL8516.03313.5
FAIL10346.03514.6
FAIL11565.0138.1
OK136917.0115.3
FAIL20715.033.2
OK32903.02950.8

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 2026-08-02 09:02 UTC