Alert archive / Illinois / Special Weather Statements in 2011

Special Weather Statement, NWS Lincoln, IL

June 15, 2011McLean County, Illinois

NWS Lincoln, IL issued this special weather statement at Jun 15, 2011, 2:21 AM CDT for McLean 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: Jun 15, 2011, 2:21 AM CDT (07:21 UTC)
Expired: Jun 15, 2011, 3:00 AM CDT
In force: 39 min
Issued by: NWS Lincoln, IL

County McLean County, IL

The radar

The Lincoln radar (KILX), 63 km from the middle of the area, began a volume at 07:22 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, 7.4 hours before the alert went out and 44 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: 2 J/kg
Mixed-layer CIN: -693 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 325 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

321 
WWUS83 KILX 150721
SPSILX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
221 AM CDT WED JUN 15 2011

ILZ038-042-043-150800-
DE WITT-LOGAN-MCLEAN-
221 AM CDT WED JUN 15 2011

...SIGNIFICANT WEATHER ADVISORY FOR MCLEAN...NORTHEASTERN LOGAN AND
NORTHWESTERN DE WITT COUNTIES UNTIL 300 AM CDT...

AT 218 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR LINCOLN...MOVING NORTHEAST AT 35 MPH. 
ANOTHER STRONG STORM WAS LOCATED NEAR BLOOMINGTON...ALSO MOVING 
NORTHEAST.

NICKEL SIZE HAIL HAS BEEN REPORTED WITH THESE STORMS. WINDS AROUND 
50 MPH AND TORRENTIAL RAINFALL ARE ALSO EXPECTED.

PEOPLE IN DE WITT...LOGAN AND MCLEAN COUNTIES...INCLUDING THE CITIES
OF LINCOLN...ATLANTA...WAYNESVILLE...MCLEAN AND BLOOMINGTON...SHOULD
MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS...AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

LAT...LON 4062 8857 4062 8849 4056 8846 4003 8931
      4020 8940 4075 8881 4075 8858
TIME...MOT...LOC 0720Z 226DEG 31KT 4017 8932

$$

CHURCHILL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 12:38 AM CDT	Special Weather Statement	ILX	Peoria	52 min
Jun 15, 12:47 AM CDT	Special Weather Statement	ILX	Knox	43 min
Jun 15, 1:56 AM CDT	Flash Flood Warning	ILX	Fulton, Knox, Marshall, Mason, Peoria, Stark and 2 more	6 hr
Jun 15, 2:58 AM CDT	Flash Flood Warning	ILX	Cass, Fulton, Mason, Schuyler	4 hr
Jun 15, 3:49 AM CDT	Areal Flood Advisory	ILX	McLean, Tazewell, Woodford	6 hr
Jun 15, 4:31 AM CDT	Special Weather Statement	ILX	Champaign	59 min
Jun 15, 5:01 AM CDT	Special Weather Statement	ILX	Christian	59 min
Jun 15, 5:19 AM CDT	Areal Flood Advisory	ILX	Christian, Macon, Moultrie, Piatt, Shelby	4 hr
Jun 15, 5:36 AM CDT	Flash Flood Warning	ILX	Macon, Moultrie, Piatt	6 hr
Jun 15, 6:02 AM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	28 min
Jun 15, 1:45 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	30 min
Jun 15, 3:45 PM CDT	Tornado Warning	ILX	Clark, Coles, Cumberland	31 min
Jun 15, 3:48 PM CDT	Tornado Warning	ILX	Cumberland	42 min
Jun 15, 4:20 PM CDT	Tornado Warning	ILX	Clark, Crawford, Cumberland, Jasper	40 min
Jun 15, 6:06 PM CDT	River Flood Warning	ILX	Fulton, Knox	24 hr

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.