KBOX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KBOX WSR-88D NEXRAD weather radar near Boston-Providence (RI), MA. 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=KBOX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-20&umax=60&vmin=-40&vmax=40&maxheight=12000&dynamicbounds=true&sfcstn=KTAN

RADAR SITE:  KBOX - Boston-Providence (RI), MA (SFC ELEV 36 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kbox/sn.last
NIDS VALID:  2026-08-11 01:54 UTC

SFC STATION: KTAN (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KTAN&format=json
SFC VALID:   2026-08-11 01:52 UTC
Decoded surface and VAD profile data

Surface observation

METAR KTAN 110152Z AUTO 00000KT 10SM CLR 23/18 A2987 RMK AO2 SLP113 T02330183

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK100.00
FAIL8614.01858.7
FAIL11614.02027.7
OK26916.02154.2
OK36015.02195.0
OK54316.02344.9
OK57418.02394.0
OK75717.02494.5
OK87817.02634.3
OK103120.02593.7
OK118319.02682.6
OK136624.02753.9
OK148819.02793.5
OK173219.02773.1
OK179316.02653.7
OK209818.02463.7
OK240216.02512.6
OK484142.02422.5
OK545030.02620.9
OK575535.02871.2
OK606033.02840.9
OK667031.02751.9
OK727941.02801.5

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).

KBOX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Boston-Providence (RI), MA, valid 2026-08-11 01:54 UTC