Alert archive / Illinois / Special Weather Statements in 2011

Special Weather Statement, NWS Lincoln, IL

April 11, 2011Moultrie County, Illinois

NWS Lincoln, IL issued this special weather statement at Apr 11, 2011, 12:36 AM CDT for Moultrie County, Illinois. It was in force for 39 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 11, 2011, 12:36 AM CDT (05:36 UTC)
Expired: Apr 11, 2011, 1:15 AM CDT
In force: 39 min
Issued by: NWS Lincoln, IL

County Moultrie County, IL

The radar

The Lincoln radar (KILX), 80 km from the middle of the area, began a volume at 05:40 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, 5.6 hours before the alert went out and 56 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: 1523 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 1493 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 207 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 6.7

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 11, 12:20 AM CDT, 16 minutes earlier.

Area forecast discussion, Apr 11, 12:20 AM CDT, 16 minutes before

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Hazardous weather outlook, Apr 10, 3:21 PM CDT, 9 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
321 PM CDT SUN APR 10 2011

ILZ027>031-036-037-040-041-047>050-111100-
CASS-FULTON-KNOX-MARSHALL-MASON-MENARD-MORGAN-PEORIA-SCHUYLER-
SCOTT-STARK-TAZEWELL-WOODFORD-
321 PM CDT SUN APR 10 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL RAPIDLY DEVELOP ALONG AN ADVANCING COLD FRONT
ACROSS THE ILLINOIS RIVER VALLEY THIS EVENING...THEN WILL SHIFT
EAST OF THE I-55 CORRIDOR AFTER MIDNIGHT. LARGE HAIL AND DAMAGING
WIND GUSTS WILL BE THE PRIMARY THREATS...HOWEVER A FEW TORNADOES
WILL ALSO BE POSSIBLE. AT THIS TIME...IT APPEARS THE GREATEST
THREAT FOR TORNADOES REMAIN FURTHER NORTH ACROSS WISCONSIN.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ANOTHER WEATHER SYSTEM WILL AFFECT THE AREA THURSDAY THROUGH
FRIDAY NIGHT WITH ADDITIONAL THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED BETWEEN 8 PM AND MIDNIGHT.

ILZ038-042-043-051>053-111100-
CHRISTIAN-DE WITT-LOGAN-MACON-MCLEAN-SANGAMON-
321 PM CDT SUN APR 10 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL RAPIDLY DEVELOP ALONG AN ADVANCING COLD FRONT
ACROSS THE ILLINOIS RIVER VALLEY THIS EVENING...THEN WILL SHIFT
EAST OF THE I-55 CORRIDOR AFTER MIDNIGHT. LARGE HAIL AND DAMAGING
WIND GUSTS WILL BE THE PRIMARY THREATS...HOWEVER A FEW TORNADOES
WILL ALSO BE POSSIBLE. AT THIS TIME...IT APPEARS THE GREATEST
THREAT FOR TORNADOES REMAIN FURTHER NORTH ACROSS WISCONSIN.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ANOTHER WEATHER SYSTEM WILL AFFECT THE AREA THURSDAY THROUGH
FRIDAY NIGHT WITH ADDITIONAL THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED BETWEEN 10 PM AND 2 AM.

ILZ044>046-054>057-061>063-066>068-071>073-111100-
CHAMPAIGN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-DOUGLAS-EDGAR-
EFFINGHAM-JASPER-LAWRENCE-MOULTRIE-PIATT-RICHLAND-SHELBY-
VERMILION-
321 PM CDT SUN APR 10 2011

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

.DAY ONE...TONIGHT

THUNDERSTORMS WILL RAPIDLY DEVELOP ALONG AN ADVANCING COLD FRONT
ACROSS THE ILLINOIS RIVER VALLEY THIS EVENING...THEN WILL SHIFT
EAST OF THE I-55 CORRIDOR AFTER MIDNIGHT. LARGE HAIL AND DAMAGING
WIND GUSTS WILL BE THE PRIMARY THREATS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ANOTHER WEATHER SYSTEM WILL AFFECT THE AREA THURSDAY THROUGH
FRIDAY NIGHT WITH ADDITIONAL THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED AFTER 2 AM.

BARNES

In the hours before

Special weather statement, Apr 10, 10:28 PM CDT, 2 hours 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1028 PM CDT SUN APR 10 2011

ILZ031-037-038-110415-
MCLEAN-TAZEWELL-WOODFORD-
1028 PM CDT SUN APR 10 2011

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN TAZEWELL...NORTHERN
MCLEAN AND SOUTHEASTERN WOODFORD COUNTIES UNTIL 1115 PM CDT...

AT 1025 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR DANVERS...OR 10 MILES WEST OF
BLOOMINGTON...MOVING NORTHEAST AT 65 MPH.

WINDS AROUND 55 MPH ARE EXPECTED WITH THIS STORM.

PEOPLE IN MCLEAN...TAZEWELL AND WOODFORD COUNTIES...INCLUDING THE
CITIES OF DANVERS...CARLOCK...HUDSON...GRIDLEY...LEXINGTON AND
CHENOA...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS...AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

LAT...LON 4083 8892 4076 8892 4076 8864 4076 8860
      4058 8855 4038 8925 4058 8929 4084 8899
TIME...MOT...LOC 0328Z 238DEG 54KT 4055 8911

SMITH

Special weather statement, Apr 10, 10:35 PM CDT, 2 hours 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1035 PM CDT SUN APR 10 2011

ILZ041-047>051-110415-
CASS-MASON-MENARD-MORGAN-SANGAMON-SCOTT-
1035 PM CDT SUN APR 10 2011

...SIGNIFICANT WEATHER ADVISORY FOR CASS...NORTHERN MORGAN...
NORTHWESTERN SANGAMON...SCOTT...SOUTHWESTERN MASON AND WESTERN MENARD
COUNTIES UNTIL 1115 PM CDT...

AT 1030 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 6 MILES SOUTHWEST OF EXETER...OR 7 MILES
NORTHWEST OF WINCHESTER...MOVING NORTHEAST AT 65 MPH.

WINDS AROUND 55 MPH ARE EXPECTED WITH THIS STORM.

PEOPLE IN CASS...MASON...MENARD...MORGAN...SANGAMON AND SCOTT
COUNTIES...INCLUDING THE CITIES OF BLUFFS...EXETER...CHAPIN...
LITERBERRY...VIRGINIA...TALLULA AND PETERSBURG...SHOULD MONITOR THE
WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS...AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

LAT...LON 3975 9062 3980 9060 3982 9058 3988 9059
      3992 9054 3994 9054 4020 8996 3990 8962
      3952 9055 3971 9065
TIME...MOT...LOC 0335Z 235DEG 55KT 3972 9050

SMITH

Special weather statement, Apr 10, 10:47 PM CDT, 1 hour 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1047 PM CDT SUN APR 10 2011

ILZ038-110415-
MCLEAN-
1047 PM CDT SUN APR 10 2011

...SIGNIFICANT WEATHER ADVISORY FOR MCLEAN COUNTY UNTIL 1115 PM
CDT...

AT 1044 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 6 MILES EAST OF STANFORD...OR 9 MILES SOUTHWEST
OF BLOOMINGTON...MOVING NORTHEAST AT 65 MPH.

WINDS AROUND 55 MPH ARE EXPECTED WITH THIS STORM.

PEOPLE IN MCLEAN COUNTY...INCLUDING THE CITIES OF BLOOMINGTON...
NORMAL...TOWANDA...COOKSVILLE AND LEXINGTON...SHOULD MONITOR THE
WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS...AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

LAT...LON 4076 8860 4072 8858 4068 8858 4067 8857
      4062 8857 4062 8849 4057 8845 4056 8846
      4029 8912 4047 8924
TIME...MOT...LOC 0348Z 235DEG 55KT 4044 8905

SMITH

Local storm report, Apr 10, 10:55 PM CDT, 1 hour 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1055 PM CDT SUN APR 10 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1048 PM     HAIL             CHENOA                  40.74N 88.72W
04/10/2011  M0.50 INCH       MCLEAN             IL   CO-OP OBSERVER

&&

EJL

Local storm report, Apr 10, 11:09 PM CDT, 1 hour 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1109 PM CDT SUN APR 10 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1052 PM     HAIL             3 NW MINIER             40.46N 89.35W
04/10/2011  M0.75 INCH       TAZEWELL           IL   TRAINED SPOTTER

&&

EJL

Special weather statement, Apr 11, 12:36 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 10, 8:24 PM CDT	River Flood Warning	ILX	Lawrence	25 hr
Apr 10, 8:58 PM CDT	Special Weather Statement	ILX	Fulton, Schuyler	47 min
Apr 10, 9:50 PM CDT	Special Weather Statement	ILX	Peoria	40 min
Apr 10, 9:55 PM CDT	Special Weather Statement	ILX	Mason	50 min
Apr 10, 10:13 PM CDT	Special Weather Statement	ILX	Tazewell	47 min
Apr 10, 10:28 PM CDT	Special Weather Statement	ILX	McLean	47 min
Apr 10, 10:31 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Mason, Tazewell, Woodford	44 min
Apr 10, 10:35 PM CDT	Special Weather Statement	ILX	Cass, Menard, Morgan, Scott	40 min
Apr 10, 10:47 PM CDT	Special Weather Statement	ILX	McLean	28 min
Apr 10, 10:50 PM CDT	Severe Thunderstorm Warning	ILX	McLean	25 min
Apr 10, 11:12 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	34 min
Apr 11, 12:58 AM CDT	Special Weather Statement	ILX	Champaign, Piatt, Vermilion	62 min
Apr 11, 1:13 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Piatt, Vermilion	47 min

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.