Alert archive / Illinois / Special Weather Statements in 2012

Special Weather Statement, NWS Lincoln, IL

April 1, 2012Vermilion County, Illinois

NWS Lincoln, IL issued this special weather statement at Apr 1, 2012, 8:23 AM CDT for Vermilion County, Illinois. It was in force for 37 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 1, 2012, 8:23 AM CDT (13:23 UTC)
Expired: Apr 1, 2012, 9:00 AM CDT
In force: 37 min
Issued by: NWS Lincoln, IL

County Vermilion County, IL

The radar

The Indianapolis radar (KIND), 131 km from the middle of the area, began a volume at 13:24 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, 1.4 hours before the alert went out and 82 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: 148 J/kg
Mixed-layer CIN: -287 J/kg
Mixed-layer LCL: 726 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 362 m²/s²
0-3 km storm-relative helicity: 447 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

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 1, 6:55 AM CDT, 1 hour 28 minutes earlier.

Area forecast discussion, Apr 1, 6:55 AM CDT, 1 hour 28 minutes before

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Hazardous weather outlook, Apr 1, 6:12 AM CDT, 2 hours 11 minutes before

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In the hours before

Local storm report, Apr 1, 3:51 AM CDT, 4 hours 32 minutes before

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Local storm report, Apr 1, 3:52 AM CDT, 4 hours 31 minutes before

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Local storm report, Apr 1, 3:55 AM CDT, 4 hours 28 minutes before

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Local storm report, Apr 1, 4:08 AM CDT, 4 hours 15 minutes before

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Local storm report, Apr 1, 4:58 AM CDT, 3 hours 25 minutes before

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Special weather statement, Apr 1, 8:23 AM 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 1, 1:06 AM CDT	Severe Thunderstorm Warning	ILX	Knox	54 min
Apr 1, 1:59 AM CDT	Severe Thunderstorm Warning	ILX	Knox	46 min
Apr 1, 2:20 AM CDT	Severe Thunderstorm Warning	ILX	Peoria, Stark	55 min
Apr 1, 2:42 AM CDT	Special Weather Statement	ILX	Tazewell	63 min
Apr 1, 2:48 AM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell	57 min
Apr 1, 3:15 AM CDT	Severe Thunderstorm Warning	ILX	Peoria, Woodford	30 min
Apr 1, 3:40 AM CDT	Severe Thunderstorm Warning	ILX	Tazewell, Woodford	39 min
Apr 1, 3:43 AM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell	47 min
Apr 1, 4:22 AM CDT	Severe Thunderstorm Warning	ILX	McLean, Woodford	38 min

Nearby

Special Weather Statements in Illinois, 2012 Every special weather statement in 2012

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.