Alert archive / Illinois / Special Weather Statements in 2017

Special Weather Statement, NWS Lincoln, IL

November 5, 2017Lawrence County, Illinois

NWS Lincoln, IL issued this special weather statement at Nov 5, 2017, 10:35 AM CST for Lawrence County, Illinois. It was in force for 25 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: Nov 5, 2017, 10:35 AM CST (16:35 UTC)
Expired: Nov 5, 2017, 11:00 AM CST
In force: 25 min
Issued by: NWS Lincoln, IL

County Lawrence County, IL

The radar

The Evansville,IN radar (KVWX), 59 km from the middle of the area, began a volume at 16:37 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, 4.6 hours before the alert went out and 177 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: 1199 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 454 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 382 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.2

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 Nov 5, 10:07 AM CST, 28 minutes earlier.

Area forecast discussion, Nov 5, 10:07 AM CST, 28 minutes before

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Hazardous weather outlook, Nov 5, 5:27 AM CST, 5 hours 8 minutes before

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In the hours before

Special weather statement, Nov 5, 10:35 AM CST, 0 minutes before

Special Weather Statement
National Weather Service Lincoln IL
1035 AM CST SUN NOV 5 2017

ILZ068-073-051700-
Lawrence-Crawford-
1035 AM CST SUN NOV 5 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LAWRENCE AND
SOUTHEASTERN CRAWFORD COUNTIES UNTIL 1100 AM CST...

At 1035 AM CST, Doppler radar was tracking a strong thunderstorm over
Lawrenceville, moving east at 45 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Lawrenceville, Russellville, Birds, Billett, Pinkstaff, Petrolia and
Lawrenceville Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3872 8752 3869 8752 3867 8760 3865 8775
      3882 8781 3889 8754 3888 8753 3886 8755
      3885 8753 3882 8753 3879 8750 3877 8751
      3876 8750 3874 8750
TIME...MOT...LOC 1635Z 255DEG 40KT 3876 8767

37

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 3:58 AM CST	Dense Fog Advisory	ILX	Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more	6 hr
Nov 5, 11:10 AM CST	Special Weather Statement	ILX	Champaign, Moultrie, Piatt, Vermilion	50 min
Nov 5, 11:42 AM CST	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	48 min
Nov 5, 12:54 PM CST	Severe Thunderstorm Warning	ILX	Christian, Macon	28 min
Nov 5, 2:05 PM CST	Special Weather Statement	ILX	Douglas	40 min
Nov 5, 2:17 PM CST	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	43 min
Nov 5, 2:49 PM CST	Severe Thunderstorm Warning	ILX	Christian, Moultrie, Shelby	41 min
Nov 5, 3:27 PM CST	Special Weather Statement	ILX	Coles, Cumberland, Effingham	48 min
Nov 5, 4:19 PM CST	Severe Thunderstorm Warning	ILX	Clark	41 min
Nov 5, 5:09 PM CST	Flash Flood Warning	ILX	Clay, Jasper	3 hr
Nov 5, 5:36 PM CST	Tornado Warning	ILX	Crawford, Lawrence, Richland	24 min
Nov 5, 5:57 PM CST	Tornado Warning	ILX	Crawford, Lawrence, Richland	33 min

Nearby

Special Weather Statements in Illinois, 2017 Every special weather statement in 2017

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.