Alert archive / Illinois / Special Weather Statements in 2011

Special Weather Statement, NWS Lincoln, IL

April 10, 2011Tazewell County, Illinois

NWS Lincoln, IL issued this special weather statement at Apr 10, 2011, 10:13 PM CDT for Tazewell County, Illinois. It was in force for 47 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 10, 2011, 10:13 PM CDT (03:13 UTC)
Expired
Apr 10, 2011, 11:00 PM CDT
In force
47 min
Issued by
NWS Lincoln, IL

County Tazewell County, IL

The radar

The Lincoln radar (KILX), 56 km from the middle of the area, began a volume at 03:16 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, 3.2 hours before the alert went out and 111 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2011-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1523 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2011-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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.

841 
WWUS83 KILX 110313
SPSILX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1013 PM CDT SUN APR 10 2011

ILZ029-036-037-040-041-110400-
FULTON-MASON-PEORIA-SCHUYLER-TAZEWELL-
1013 PM CDT SUN APR 10 2011

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MASON...EASTERN
SCHUYLER...SOUTHEASTERN FULTON...SOUTHERN PEORIA AND WESTERN TAZEWELL
COUNTIES UNTIL 1100 PM CDT...

AT 1012 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 5 MILES SOUTHWEST OF HAVANA...MOVING NORTHEAST
AT 65 MPH.

PENNY SIZE HAIL...AND WINDS AROUND 55 MPH ARE EXPECTED WITH THIS
STORM.

PEOPLE IN FULTON...MASON...PEORIA...SCHUYLER AND TAZEWELL COUNTIES...
INCLUDING THE CITIES OF HAVANA...MANITO...SOUTH PEKIN...PEKIN AND
TREMONT...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS...AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

LAT...LON 4073 8962 4052 8944 4014 9020 4029 9027
TIME...MOT...LOC 0313Z 238DEG 54KT 4028 9013

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 8:24 PM CDTRiver Flood WarningILXLawrence25 hr
Apr 10, 8:58 PM CDTSpecial Weather StatementILXFulton, Schuyler47 min
Apr 10, 9:50 PM CDTSpecial Weather StatementILXPeoria40 min
Apr 10, 9:55 PM CDTSpecial Weather StatementILXMason50 min
Apr 10, 10:28 PM CDTSpecial Weather StatementILXMcLean47 min
Apr 10, 10:31 PM CDTSevere Thunderstorm WarningILXMcLean, Mason, Tazewell, Woodford44 min
Apr 10, 10:35 PM CDTSpecial Weather StatementILXCass, Menard, Morgan, Scott40 min
Apr 10, 10:47 PM CDTSpecial Weather StatementILXMcLean28 min
Apr 10, 10:50 PM CDTSevere Thunderstorm WarningILXMcLean25 min
Apr 10, 11:12 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott34 min
Apr 11, 12:36 AM CDTSpecial Weather StatementILXMoultrie39 min
Apr 11, 12:58 AM CDTSpecial Weather StatementILXChampaign, Piatt, Vermilion62 min
Apr 11, 1:13 AM CDTSevere Thunderstorm WarningILXChampaign, Piatt, Vermilion47 min

Nearby

Special Weather Statements in Illinois, 2011Every 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.