Alert archive / Illinois / Special Weather Statements in 2011

Special Weather Statement, NWS Lincoln, IL

April 28, 2011Crawford County, Jasper County, Lawrence County, Illinois

NWS Lincoln, IL issued this special weather statement at Apr 28, 2011, 3:14 PM CDT for Crawford County, Jasper County, Lawrence County, Illinois. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 28, 2011, 3:14 PM CDT (20:14 UTC)
Expired: Apr 28, 2011, 4:15 PM CDT
In force: 61 min
Issued by: NWS Lincoln, IL

Counties Crawford County, IL, Jasper County, IL, Lawrence County, IL

The radar

The Evansville,IN radar (KVWX), 77 km from the middle of the area, began a volume at 20:18 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, 8.2 hours before the alert went out and 154 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: 1210 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: -77 m²/s²
0-3 km storm-relative helicity: -88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 28, 2:51 PM CDT, 23 minutes earlier.

Area forecast discussion, Apr 28, 2:51 PM CDT, 23 minutes before

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Hazardous weather outlook, Apr 28, 11:45 AM CDT, 3 hours 29 minutes before

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In the hours before

Local storm report, Apr 28, 10:29 AM CDT, 4 hours 45 minutes before

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Local storm report, Apr 28, 10:30 AM CDT, 4 hours 44 minutes before

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Local storm report, Apr 28, 11:51 AM CDT, 3 hours 23 minutes before

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Special weather statement, Apr 28, 3:14 PM CDT, 0 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
Apr 27, 7:25 PM CDT	Flash Flood Warning	ILX	Clark, Clay, Cumberland, Effingham, Jasper	3 hr
Apr 27, 9:54 PM CDT	Areal Flood Advisory	ILX	Vermilion	6 hr
Apr 27, 10:40 PM CDT	Areal Flood Advisory	ILX	Clay, Crawford, Effingham, Jasper, Lawrence, Richland	6 hr
Apr 28, 2:44 AM CDT	River Flood Warning	ILX	Vermilion	36 hr
Apr 28, 4:32 AM CDT	Areal Flood Advisory	ILX	Crawford, Effingham, Jasper, Lawrence	6 hr
Apr 28, 10:30 AM CDT	Areal Flood Advisory	ILX	Lawrence	69 min
Apr 28, 11:27 AM CDT	Areal Flood Warning	ILX	Lawrence	6 hr
Apr 28, 5:34 PM CDT	Areal Flood Warning	ILX	Lawrence	6 hr

Nearby

Special Weather Statements in Illinois, 2011 Every special weather statement in 2011

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.