KFCX WSR-88D VAD Hodograph and Wind Profile

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

RADAR SITE:  KFCX - Roanoke, VA (SFC ELEV 874 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kfcx/sn.last
NIDS VALID:  2026-08-11 02:04 UTC

SFC STATION: KBCB (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KBCB&format=json
SFC VALID:   2026-08-11 02:15 UTC
Decoded surface and VAD profile data

Surface observation

METAR KBCB 110215Z AUTO 00000KT 10SM CLR 22/19 A3021 RMK AO2 T02190191

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK100.00—
OK13220.02632.7
OK19322.02662.7
OK34522.02672.4
OK55917.02723.3
OK65017.02683.4
OK74216.02743.4
OK95514.02644.4
OK104613.02694.8
OK126013.02593.1
OK135112.02964.4
OK156514.03325.5
OK168620.03355.0
OK186922.03413.2
OK217425.03443.1
OK247924.03462.9
OK272322.03553.6
OK278422.03553.4
OK308922.03463.0
OK339320.03532.5
OK342419.03542.5
OK369821.03592.0

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).

KFCX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Roanoke, VA, valid 2026-08-11 02:04 UTC