Alert archive / Illinois / Special Weather Statements in 2019

Special Weather Statement, NWS Lincoln, IL

August 6, 2019Morgan County, Scott County, Illinois

NWS Lincoln, IL issued this special weather statement at Aug 6, 2019, 2:55 AM CDT for Morgan County, Scott County, Illinois. It was in force for 50 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: Aug 6, 2019, 2:55 AM CDT (07:55 UTC)
Expired: Aug 6, 2019, 3:45 AM CDT
In force: 50 min
Issued by: NWS Lincoln, IL

Counties Morgan County, IL, Scott County, IL

The radar

The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 07:56 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, 7.9 hours before the alert went out and 173 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: 133 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1548 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 5, 11:43 PM CDT, 3 hours 12 minutes earlier.

Area forecast discussion, Aug 5, 11:43 PM CDT, 3 hours 12 minutes before

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Hazardous weather outlook, Aug 5, 3:50 PM CDT, 11 hours 5 minutes before

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In the hours before

Special weather statement, Aug 6, 12:35 AM CDT, 2 hours 20 minutes before

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Special weather statement, Aug 6, 1:28 AM CDT, 1 hour 27 minutes before

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Special weather statement, Aug 6, 2:55 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
Aug 6, 12:35 AM CDT	Special Weather Statement	ILX	Fulton, Knox, Marshall, Peoria, Stark	85 min
Aug 6, 1:28 AM CDT	Special Weather Statement	ILX	Fulton, Mason, Schuyler, Tazewell	62 min
Aug 6, 2:23 PM CDT	Special Weather Statement	ILX	Clay	52 min
Aug 6, 3:18 PM CDT	Special Weather Statement	ILX	Lawrence	42 min
Aug 6, 6:48 PM CDT	Special Weather Statement	ILX	Crawford	57 min

Nearby

Special Weather Statements in Illinois, 2019 Every special weather statement in 2019

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.