Alert archive / Illinois / Wind Chill Advisories in 2022

Wind Chill Advisory 6, NWS Lincoln, IL

December 24, 202229 counties in Illinois

NWS Lincoln, IL issued this wind chill advisory at Dec 24, 2022, 1:03 PM CST for 29 counties in Illinois. It took effect at Dec 24, 2022, 9:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Dec 24, 2022, 1:03 PM CST (19:03 UTC)
In effect from: Dec 24, 2022, 9:00 PM CST
Expired: Dec 25, 2022, 9:11 AM CST
In force: 12 hr
Issued by: NWS Lincoln, IL

All 29 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Fulton County, IL, Knox County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 15 km from the middle of the area, began a volume at 19:03 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

Lincoln, IL (KILX), launched 12:00Z, 7.1 hours before the alert went out and 51 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 789 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 351 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this wind chill advisory went out at Dec 23, 5:38 PM CST, 19 hours 25 minutes earlier.

Area forecast discussion, Dec 23, 5:38 PM CST, 19 hours 25 minutes before

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Hazardous weather outlook, Dec 23, 2:13 PM CST, 22 hours 50 minutes before

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Nearby

Wind Chill Advisories in Illinois, 2022 Every wind chill advisory in 2022

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.