Alert archive / Illinois / Winter Storm Watches in 2022

Winter Storm Watch 2, NWS Lincoln, IL

February 15, 202225 counties in Illinois

NWS Lincoln, IL issued this winter storm watch at Feb 15, 2022, 2:58 PM CST for 25 counties in Illinois. It took effect at Feb 17, 2022, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 15, 2022, 2:58 PM CST (20:58 UTC)
In effect from: Feb 17, 2022, 12:00 AM CST
Expired: Feb 16, 2022, 10:44 AM CST
In force
Issued by: NWS Lincoln, IL

All 25 counties

Cass County, IL, Champaign County, IL, Christian County, IL, DeWitt County, IL, Douglas 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), 5 km from the middle of the area, began a volume at 20:55 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 484 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: 1525 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 278 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 winter storm watch 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 winter storm watch went out at Feb 15, 11:02 AM CST, 3 hours 56 minutes earlier.

Area forecast discussion, Feb 15, 11:02 AM CST, 3 hours 56 minutes before

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Hazardous weather outlook, Feb 15, 11:39 AM CST, 3 hours 19 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 15, 2:46 AM CST	Flood Watch	ILX	Champaign, Christian, Clark, Clay, Coles, Crawford and 12 more	63 hr
Feb 15, 2:49 PM CST	Wind Advisory	ILX	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 13 more	27 hr

Nearby

Winter Storm Watches in Illinois, 2022 Every winter storm watch 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.