Alert archive / Illinois / Winter Storm Watches in 2014

Winter Storm Watch 3, NWS Lincoln, IL

February 3, 201429 counties in Illinois

NWS Lincoln, IL issued this winter storm watch at Feb 3, 2014, 4:14 AM CST for 29 counties in Illinois. It took effect at Feb 4, 2014, 12:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 3, 2014, 4:14 AM CST (10:14 UTC)
In effect from: Feb 4, 2014, 12:00 PM CST
Expired: Feb 3, 2014, 3:33 PM CST
In force
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 10:19 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 00:00Z, 10.2 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: 1114 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 24 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 3, 3:41 AM CST, 33 minutes earlier.

Area forecast discussion, Feb 3, 3:41 AM CST, 33 minutes before

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Hazardous weather outlook, Feb 2, 3:06 PM CST, 13 hours 8 minutes before

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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 3, 3:33 PM CST	Winter Storm Warning	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more	44 hr
Feb 3, 3:33 PM CST	Winter Weather Advisory	ILX	Clay, Crawford, Effingham, Jasper, Knox, Lawrence and 7 more	44 hr

Nearby

Winter Storm Watches in Illinois, 2014 Every winter storm watch in 2014

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.