Alert archive / Illinois / Wind Chill Advisories in 2015
Wind Chill Advisory 6, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind chill advisory at Feb 18, 2015, 3:22 AM CST for 5 counties in Illinois. It took effect at Feb 18, 2015, 6:00 PM CST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 2015, 3:22 AM CST (09:22 UTC)
- In effect from
- Feb 18, 2015, 6:00 PM CST
- Expired
- Feb 19, 2015, 11:06 AM CST
- In force
- 17 hr
- Issued by
- NWS Quad Cities, IA
Counties Bureau County, IL, Carroll County, IL, Putnam County, IL, Stephenson County, IL, Whiteside County, IL
The radar
The Quad Cities radar (KDVN), 78 km from the middle of the area, began a volume at 09:28 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 9.4 hours before the alert went out and 71 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1009 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Wind Chill Advisories in Illinois, 2015Every wind chill advisory in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.