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=40&vmin=-20&vmax=40&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:  2026-08-02 06:54 UTC

SFC STATION: KBCB (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KBCB&format=json
SFC VALID:   2026-08-02 06:55 UTC
Decoded surface and VAD profile data

Surface observation

METAR KBCB 020655Z AUTO 10003KT 7SM -RA SCT049 SCT070 SCT110 21/21 A2992 RMK AO2 P0013 T02100205

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK103.0100—
OK13212.01505.3
OK19315.01563.6
OK34517.01672.9
OK55920.01933.2
OK65023.01933.0
OK74222.01993.3
OK95524.02002.6
OK104624.02002.5
OK126023.02122.2
OK135124.02061.6
OK156525.02081.8
OK168626.02061.5
OK186925.02081.5
OK217424.02111.6
OK247921.02091.6
OK272323.02031.8
OK278423.02031.6
OK308921.02061.9
OK339322.02032.0
OK342422.02152.2
OK369825.02052.0
OK400327.02042.4
OK427727.02012.1
OK430827.02072.3
OK461327.02082.4
OK491726.02081.9
OK522225.02152.0
OK531426.02161.9
OK552725.02161.8
OK583227.02131.5
OK613726.02161.7
OK644125.02201.6
OK659425.02221.7
OK674623.02231.8
OK705121.02222.1
OK766118.02262.2
OK814815.02442.4
OK827018.02352.0
OK979422.02504.1
OK1009916.02825.0

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 2026-08-02 06:54 UTC