Alert archive / Illinois / Special Weather Statements in 2014

Special Weather Statement, NWS Lincoln, IL

May 12, 2014McLean County, Marshall County, Woodford County, Illinois

NWS Lincoln, IL issued this special weather statement at May 12, 2014, 9:43 PM CDT for McLean County, Marshall County, Woodford County, Illinois. It was in force for 62 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: May 12, 2014, 9:43 PM CDT (02:43 UTC)
Expired: May 12, 2014, 10:45 PM CDT
In force: 62 min
Issued by: NWS Lincoln, IL

Counties Marshall County, IL, McLean County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 85 km from the middle of the area, began a volume at 02:46 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, 2.7 hours before the alert went out and 92 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: 2182 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 110 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 May 12, 8:53 PM CDT, 50 minutes earlier.

Area forecast discussion, May 12, 8:53 PM CDT, 50 minutes before

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Hazardous weather outlook, May 12, 3:30 PM CDT, 6 hours 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
330 PM CDT MON MAY 12 2014

ILZ027>031-036>038-040>055-061-131100-
CASS-CHAMPAIGN-CHRISTIAN-DE WITT-DOUGLAS-FULTON-KNOX-LOGAN-MACON-
MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-PIATT-
SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION-WOODFORD-
330 PM CDT MON MAY 12 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS AND EAST CENTRAL ILLINOIS.

.DAY ONE...TONIGHT

A LINE OF THUNDERSTORMS CURRENTLY EXTENDING FROM CENTRAL IOWA
SOUTHWESTWARD INTO THE KANSAS CITY AREA WILL SHIFT EASTWARD INTO
CENTRAL ILLINOIS TONIGHT. THE STORMS WILL REACH THE ILLINOIS RIVER
VALLEY AFTER 7 PM...THEN WILL GRADUALLY PUSH TOWARD THE I-57
CORRIDOR TOWARD MIDNIGHT. LARGE HAIL AND DAMAGING WIND GUSTS WILL
BE POSSIBLE WITH SOME OF THE STORMS...ALTHOUGH THEY WILL LIKELY
WEAKEN WITH TIME AS DAYTIME INSTABILITY FADES AFTER SUNSET.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING UNTIL MIDNIGHT.

ILZ056-057-062-063-066>068-071>073-131100-
CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-EDGAR-EFFINGHAM-JASPER-
LAWRENCE-RICHLAND-
330 PM CDT MON MAY 12 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
ILLINOIS AND SOUTHEAST ILLINOIS.

.DAY ONE...TONIGHT

A BROKEN LINE OF THUNDERSTORMS WILL PUSH EAST OF THE I-57 CORRIDOR
AFTER MIDNIGHT TONIGHT. A FEW OF THE STORMS COULD PRODUCE HAIL AND
GUSTY WINDS...HOWEVER SEVERE WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS WILL CONTINUE INTO TUESDAY ALONG AND EAST OF
I-57...HOWEVER SEVERE WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

BARNES

In the hours before

Special weather statement, May 12, 7:33 PM CDT, 2 hours 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
733 PM CDT MON MAY 12 2014

ILZ040-130130-
SCHUYLER-
733 PM CDT MON MAY 12 2014

...SIGNIFICANT WEATHER ADVISORY FOR SCHUYLER COUNTY UNTIL 830 PM
CDT...

AT 728 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR CLAYTON...OR 20 MILES WEST OF
RUSHVILLE...MOVING EAST NORTHEAST AT 40 MPH.

PENNY SIZE HAIL...AND WINDS UP TO 50 MPH ARE EXPECTED WITH THIS
STORM.

PEOPLE IN SCHUYLER COUNTY...INCLUDING THE CITY OF LITTLETON...
RUSHVILLE AND WEINBERG STATE PARK SHOULD MONITOR THE WEATHER
SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS...AND BE PREPARED TO
TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

LAT...LON 4029 9091 4028 9045 4019 9045 4018 9034
      4002 9063 4005 9068 4007 9068 4008 9071
      4010 9071 4010 9089 4011 9092 4024 9092
TIME...MOT...LOC 0032Z 238DEG 34KT 4007 9089

SMITH

Special weather statement, May 12, 9:40 PM CDT, 3 minutes before

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Special weather statement, May 12, 9:43 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
May 12, 7:33 PM CDT	Special Weather Statement	ILX	Schuyler	57 min
May 12, 8:01 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	44 min
May 12, 9:40 PM CDT	Special Weather Statement	ILX	Christian, DeWitt, Logan, Macon, Sangamon	65 min

Nearby

Special Weather Statements in Illinois, 2014 Every special weather statement 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.