KILX WSR-88D VAD Hodograph and Wind Profile

View the latest Velocity Azimuth Display (VAD) wind profile from the KILX WSR-88D NEXRAD weather radar near Springfield-Bloomington, IL. 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=KILX&resolution=high&qc=true&showprofile=true&showmeta=true&showhodo=true&showrings=true&ticmarks=axis&umin=-40&umax=20&vmin=-50&vmax=10&maxheight=12000&dynamicbounds=true&sfcstn=KAAA

RADAR SITE:  KILX - Springfield-Bloomington, IL (SFC ELEV 188 m AMSL)
NIDS SOURCE: https://tgftp.nws.noaa.gov/SL.us008001/DF.of/DC.radar/DS.48vwp/SI.kilx/sn.last
NIDS VALID:  2026-08-02 06:51 UTC

SFC STATION: KAAA (METAR)
SFC SOURCE:  https://aviationweather.gov/api/data/metar?ids=KAAA&format=json
SFC VALID:   2026-08-02 06:35 UTC
Decoded surface and VAD profile data

Surface observation

METAR KAAA 020635Z AUTO 34006KT 10SM SCT006 BKN038 OVC046 20/20 A2977 RMK AO2 P0017 T01980198

VAD wind profile

QCHeight AGL (m)Speed (kt)Direction (°)RMS (kt)
OK106.0340—
OK11718.03416.2
OK20825.03516.2
OK36130.0187.3
OK42232.0276.6
OK54335.0356.6
OK72638.0445.8
OK75737.0455.4
OK103133.0444.4
OK133628.0373.8
OK136628.0364.4
OK164126.0273.9
OK170227.0294.9
OK194624.0221.9
OK218923.0272.0
OK225024.0301.8
OK255524.0241.6
OK276820.0251.7
OK286024.0211.8
OK316522.0211.0
OK347017.0171.7
OK377424.0241.5
OK407931.0142.0
OK423216.0271.4
OK438438.0121.8
OK468926.0301.8
OK499422.0191.7
OK529820.094.7
OK651828.0205.2
OK834621.03551.3

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).

KILX WSR-88D NEXRAD VAD hodograph showing the wind profile by height near Springfield-Bloomington, IL, valid 2026-08-02 06:51 UTC