Alert archive / Illinois / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 53, NWS Lincoln, IL

June 2, 20107 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 2, 2010, 3:15 AM CDT for 7 counties in Illinois. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 2, 2010, 3:15 AM CDT (08:15 UTC)
Expired: Jun 2, 2010, 4:15 AM CDT
In force: 60 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Champaign County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 123 km from the middle of the area, began a volume at 08:19 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 2, 1:54 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.3 hours before the alert went out and 70 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: 1206 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1668 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 2, 2:30 AM CDT, 45 minutes earlier.

Area forecast discussion, Jun 2, 2:30 AM CDT, 45 minutes before

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Hazardous weather outlook, Jun 1, 8:29 PM CDT, 6 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
829 PM CDT TUE JUN 1 2010

ILZ027>031-036>038-040>053-021800-
CASS-CHAMPAIGN-CHRISTIAN-DE WITT-FULTON-KNOX-LOGAN-MACON-MARSHALL-
MASON-MCLEAN-MENARD-MORGAN-PEORIA-PIATT-SANGAMON-SCHUYLER-SCOTT-
STARK-TAZEWELL-VERMILION-WOODFORD-
829 PM CDT TUE JUN 1 2010

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

.DAY ONE...TONIGHT

A LARGE COMPLEX OF THUNDERSTORMS WILL TRACK ACROSS IOWA THIS
EVENING...THEN INTO THE NORTHERN HALF OF ILLINOIS OVERNIGHT. SOME
STRONG TO SEVERE STORMS MAY DEVELOP AS FAR SOUTH AS A JACKSONVILLE
TO DANVILLE LINE. DAMAGING WINDS AND LOCALLY HEAVY RAINFALL WILL
BE THE PRIMARY THREATS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ADDITIONAL THUNDERSTORMS WILL DEVELOP ALONG AN OUTFLOW BOUNDARY
WEDNESDAY AFTERNOON. THE EXACT LOCATION OF THAT BOUNDARY IS
DIFFICULT TO PINPOINT AT THIS TIME...HOWEVER IT APPEARS STORMS
WILL FIRE NEAR I-80 THEN SINK SOUTHWARD INTO CENTRAL ILLINOIS.
LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL WILL BE POSSIBLE
WEDNESDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED AFTER MIDNIGHT.

ILZ054>057-061-021800-
COLES-DOUGLAS-EDGAR-MOULTRIE-SHELBY-
829 PM CDT TUE JUN 1 2010

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

.DAY ONE...TONIGHT

A FEW THUNDERSTORMS WILL BE POSSIBLE LATE TONIGHT...HOWEVER SEVERE
WEATHER IS NOT ANTICIPATED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ADDITIONAL THUNDERSTORMS WILL DEVELOP ALONG AN OUTFLOW BOUNDARY
WEDNESDAY AFTERNOON. THE EXACT LOCATION OF THAT BOUNDARY IS
DIFFICULT TO PINPOINT AT THIS TIME...HOWEVER IT APPEARS STORMS
WILL FIRE NEAR I-80 THEN SINK SOUTHWARD INTO CENTRAL ILLINOIS.
LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL WILL BE POSSIBLE
WEDNESDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ILZ062-063-066>068-071>073-021800-
CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND-
829 PM CDT TUE JUN 1 2010

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

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THUNDERSTORMS WILL DEVELOP FURTHER NORTH ACROSS NORTH-CENTRAL
ILLINOIS ON WEDNESDAY...THEN WILL GRADUALLY SINK SOUTHWARD TO THE
I-70 CORRIDOR BY WEDNESDAY NIGHT INTO THURSDAY. LARGE HAIL AND DAMAGING
WINDS WILL BE THE MAIN THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

25

In the hours before

Local storm report, Jun 2, 2:04 AM CDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
204 AM CDT WED JUN 02 2010

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

0123 AM     TSTM WND GST     5 SW BLUFFS             39.70N 90.60W
06/02/2010  E60 MPH          SCOTT              IL   LAW ENFORCEMENT

            SHERIFF DEPUTY ESTIMATED GUST TO 60 MPH.

&&

GOETSCH

Local storm report, Jun 2, 2:14 AM CDT, 1 hour 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
214 AM CDT WED JUN 02 2010

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

0200 AM     TSTM WND GST     3 S SPRINGFIELD         39.74N 89.64W
06/02/2010  E60 MPH          SANGAMON           IL   TRAINED SPOTTER

0203 AM     TSTM WND DMG     5 SW SPRINGFIELD        39.73N 89.71W
06/02/2010                   SANGAMON           IL   MESONET

            TRAFFIC LIGHTS BLOWN DOWN AT I72 AND WABASH AVE.

&&

25

Local storm report, Jun 2, 2:22 AM CDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
222 AM CDT WED JUN 02 2010

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

0219 AM     TSTM WND GST     4 SW LE ROY             40.30N 88.82W
06/02/2010  M62 MPH          MCLEAN             IL   PUBLIC

&&

25

Local storm report, Jun 2, 2:35 AM CDT, 40 minutes before

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Local storm report, Jun 2, 2:54 AM CDT, 21 minutes before

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Local storm report, Jun 2, 3:06 AM CDT, 9 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
Jun 1, 9:53 PM CDT	Flash Flood Watch	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	17 hr
Jun 1, 10:18 PM CDT	Severe Thunderstorm Warning	ILX	Knox	57 min
Jun 1, 11:06 PM CDT	Areal Flood Advisory	ILX	Knox	6 hr
Jun 1, 11:35 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Stark, Woodford	55 min
Jun 2, 12:09 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Knox, Schuyler	66 min
Jun 2, 12:31 AM CDT	Special Weather Statement	ILX	Marshall, Woodford	59 min
Jun 2, 12:45 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Knox, Mason, Menard, Peoria and 2 more	60 min
Jun 2, 12:56 AM CDT	Tornado Warning	ILX	Fulton, Knox, Peoria	49 min
Jun 2, 1:08 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, Marshall, Mason, Menard, Peoria and 3 more	67 min
Jun 2, 1:10 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon, Scott	57 min
Jun 2, 1:12 AM CDT	Flash Flood Warning	ILX	Knox	6 hr
Jun 2, 1:26 AM CDT	Areal Flood Advisory	ILX	Fulton, Marshall, Peoria, Stark, Tazewell, Woodford	6 hr
Jun 2, 1:36 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Marshall, Tazewell, Woodford	54 min
Jun 2, 1:41 AM CDT	Flash Flood Warning	ILX	Marshall, Peoria, Stark, Tazewell, Woodford	6 hr
Jun 2, 1:57 AM CDT	Severe Thunderstorm Warning	ILX	Christian, DeWitt, Logan, Macon, Menard, Morgan and 1 more	63 min
Jun 2, 2:17 AM CDT	Areal Flood Advisory	ILX	Schuyler	6 hr
Jun 2, 2:22 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Christian, Coles, DeWitt, Douglas, McLean and 4 more	68 min
Jun 2, 3:41 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 1 more	64 min
Jun 2, 4:17 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Edgar	31 min
Jun 2, 6:54 AM CDT	Areal Flood Warning	ILX	Knox, Marshall, Peoria, Stark, Woodford	6 hr
Jun 2, 11:12 AM CDT	River Flood Warning	ILX	Fulton, Knox	56 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2010 Every severe thunderstorm warning in 2010

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.