Alert archive / Illinois / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 147, NWS Lincoln, IL

July 19, 20105 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 19, 2010, 1:21 PM CDT for 5 counties in Illinois. It was in force for 54 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: Jul 19, 2010, 1:21 PM CDT (18:21 UTC)
Expired: Jul 19, 2010, 2:15 PM CDT
In force: 54 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Christian County, IL, Macon County, IL, Moultrie County, IL, Piatt County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 66 km from the middle of the area, began a volume at 18:21 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
Jul 19, 10:38 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.4 hours before the alert went out and 55 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: 248 J/kg
Mixed-layer CIN: -358 J/kg
Mixed-layer LCL: 1088 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 19, 12:48 PM CDT, 33 minutes earlier.

Area forecast discussion, Jul 19, 12:48 PM CDT, 33 minutes before

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Hazardous weather outlook, Jul 19, 11:41 AM CDT, 1 hour 40 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE LINCOLN IL
1141 AM CDT MON JUL 19 2010

ILZ027>031-036>038-041-201115-
FULTON-KNOX-MARSHALL-MASON-MCLEAN-PEORIA-STARK-TAZEWELL-WOODFORD-
1141 AM CDT MON JUL 19 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS
AFTERNOON. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE SOME
DAMAGING WINDS AND LARGE HAIL. LATER TONIGHT...ANOTHER CLUSTER OF
STORMS IS EXPECTED TO DEVELOP OVER IOWA AND MOVE ACROSS THE
NORTHERN HALF OF ILLINOIS. SOME OF THE STORMS MAY BE SEVERE WITH
THE PRIMARY THREATS BEING DAMAGING WINDS AND INTENSE DANGEROUS
LIGHTNING. IN ADDITION...UP TO 2 INCHES OF RAIN WILL BE POSSIBLE
WHICH MAY CAUSE FLOODING. THE MOST LIKELY TIME FRAME FOR THE
STRONGEST STORMS WILL BE DURING THE EARLY MORNING HOURS AFTER
MIDNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE SAME WEATHER PATTERN WILL CONTINUE INTO MIDWEEK AS A STATIONARY
FRONT LINGERS ACROSS THE MIDWEST. THIS WILL CAUSE SEVERAL PERIODS OF
THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE TUESDAY THROUGH
THURSDAY. THERE WILL BE A CONTINUED RISK FOR HEAVY RAIN AND
FLOODING...WITH 2 TO 4 INCHES OF RAINFALL POSSIBLE. FLASH FLOODING
WITHIN THUNDERSTORMS MAY OCCUR...ALONG WITH LONGER TERM FLOODING OF
RIVERS AND STREAMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.

ILZ040-047-049-050-201115-
CASS-MORGAN-SCHUYLER-SCOTT-
1141 AM CDT MON JUL 19 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS AFTERNOON.
THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE SOME DAMAGING
WINDS AND LARGE HAIL. LATER TONIGHT...ANOTHER CLUSTER OF STORMS IS
EXPECTED TO DEVELOP OVER IOWA AND MOVE ACROSS THE NORTHERN HALF OF
ILLINOIS. SOME OF THE STORMS MAY BE SEVERE WITH THE PRIMARY
THREATS BEING DAMAGING WINDS AND INTENSE DANGEROUS LIGHTNING. IN
ADDITION...UP TO 2 INCHES OF RAIN WILL BE POSSIBLE WHICH MAY CAUSE
FLOODING. THE MOST LIKELY TIME FRAME FOR THE STRONGEST STORMS WILL
BE DURING THE EARLY MORNING HOURS AFTER MIDNIGHT.

THE ILLINOIS RIVER AT HAVANA WILL FALL BELOW FLOOD STAGE THIS
MORNING...HOWEVER FLOODING IS FORECAST TO CONTINUE AT BEARDSTOWN
UNTIL THURSDAY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE SAME WEATHER PATTERN WILL CONTINUE INTO MIDWEEK AS A STATIONARY
FRONT LINGERS ACROSS THE MIDWEST. THIS WILL CAUSE SEVERAL PERIODS OF
THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE TUESDAY THROUGH
THURSDAY. DAMAGING WINDS AND VERY HEAVY RAINFALL WILL CONTINUE TO BE
THE PRIMARY THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND LATE TONIGHT.

ILZ042-043-048-051>053-061-066>068-071>073-201115-
CHRISTIAN-CLAY-CRAWFORD-DE WITT-EFFINGHAM-JASPER-LAWRENCE-LOGAN-
MACON-MENARD-RICHLAND-SANGAMON-SHELBY-
1141 AM CDT MON JUL 19 2010

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS
AFTERNOON. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE SOME
DAMAGING WINDS AND LARGE HAIL. LATER TONIGHT...ANOTHER CLUSTER OF
STORMS IS EXPECTED TO DEVELOP OVER IOWA AND MOVE ACROSS THE
NORTHERN HALF OF ILLINOIS. SOME OF THE STORMS MAY BE SEVERE WITH
THE PRIMARY THREATS BEING DAMAGING WINDS AND INTENSE DANGEROUS
LIGHTNING. IN ADDITION...UP TO 2 INCHES OF RAIN WILL BE POSSIBLE
WHICH MAY CAUSE FLOODING. THE MOST LIKELY TIME FRAME FOR THE
STRONGEST STORMS WILL BE DURING THE EARLY MORNING HOURS AFTER
MIDNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE SAME WEATHER PATTERN WILL CONTINUE INTO MIDWEEK AS A STATIONARY
FRONT LINGERS ACROSS THE MIDWEST. THIS WILL CAUSE SEVERAL PERIODS OF
THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE TUESDAY THROUGH
THURSDAY. DAMAGING WINDS AND VERY HEAVY RAINFALL WILL CONTINUE TO BE
THE PRIMARY THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND LATE TONIGHT.

ILZ044>046-054>057-062-063-201115-
CHAMPAIGN-CLARK-COLES-CUMBERLAND-DOUGLAS-EDGAR-MOULTRIE-PIATT-
VERMILION-
1141 AM CDT MON JUL 19 2010

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS
AFTERNOON. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE SOME
DAMAGING WINDS AND LARGE HAIL. LATER TONIGHT...ANOTHER CLUSTER OF
STORMS IS EXPECTED TO DEVELOP OVER IOWA AND MOVE ACROSS THE
NORTHERN HALF OF ILLINOIS. SOME OF THE STORMS MAY BE SEVERE WITH
THE PRIMARY THREATS BEING DAMAGING WINDS AND INTENSE DANGEROUS
LIGHTNING. IN ADDITION...UP TO 2 INCHES OF RAIN WILL BE POSSIBLE
WHICH MAY CAUSE FLOODING. THE MOST LIKELY TIME FRAME FOR THE
STRONGEST STORMS WILL BE DURING THE EARLY MORNING HOURS AFTER
MIDNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE SAME WEATHER PATTERN WILL CONTINUE INTO MIDWEEK AS A STATIONARY
FRONT LINGERS ACROSS THE MIDWEST. THIS WILL CAUSE SEVERAL PERIODS OF
THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE TUESDAY THROUGH
THURSDAY. DAMAGING WINDS AND VERY HEAVY RAINFALL WILL CONTINUE TO BE
THE PRIMARY THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.

HJS

In the hours before

Special weather statement, Jul 19, 10:36 AM CDT, 2 hours 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1036 AM CDT MON JUL 19 2010

ILZ036-040-041-047-048-050-191630-
CASS-FULTON-MASON-MENARD-MORGAN-SCHUYLER-
1036 AM CDT MON JUL 19 2010

...SIGNIFICANT WEATHER ALERT FOR CASS...MASON...NORTHWESTERN
MORGAN...SCHUYLER...SOUTHERN FULTON AND WESTERN MENARD COUNTIES UNTIL
1130 AM CDT...

AT 1034 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR BROWNING...OR 9 MILES NORTHEAST OF
RUSHVILLE...MOVING EAST AT 30 MPH.

WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM ALONG WITH VERY
HEAVY RAINFALL.

LOCATIONS IMPACTED INCLUDE...
  BATH...
  CHANDLERVILLE...
  KILBOURNE...
  PETERSBURG...

OTHER LOCATIONS AFFECTED INCLUDE...RAY...BLUFF CITY...SNICARTE...
NEWMANSVILLE...OAKFORD AND ATTERBERRY.

PEOPLE NEAR THESE LOCATIONS SHOULD MONITOR THE WEATHER SITUATION
CLOSELY. LISTEN FOR POSSIBLE WARNINGS...AND BE PREPARED TO TAKE
APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

LAT...LON 4029 9074 4028 9046 4044 9045 4037 8995
      4030 8964 4002 8981 3989 9005 3987 9040
      3989 9059 3991 9055 3998 9053 3998 9060
      4002 9062 4004 9069 4007 9068 4008 9071
      4010 9071 4010 9081
TIME...MOT...LOC 1536Z 288DEG 27KT 4017 9039

SHIMON

Local storm report, Jul 19, 11:11 AM CDT, 2 hours 10 minutes before

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Local storm report, Jul 19, 12:06 PM CDT, 1 hour 15 minutes before

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Local storm report, Jul 19, 12:54 PM CDT, 27 minutes before

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Local storm report, Jul 19, 1:17 PM CDT, 4 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
Jul 19, 10:36 AM CDT	Special Weather Statement	ILX	Cass, Mason, Schuyler	54 min
Jul 19, 10:54 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Menard, Schuyler	66 min
Jul 19, 11:45 AM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	60 min
Jul 19, 11:59 AM CDT	Severe Thunderstorm Warning	ILX	Logan, Menard, Sangamon	61 min
Jul 19, 12:26 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	64 min
Jul 19, 1:55 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas	65 min
Jul 19, 2:06 PM CDT	Tornado Warning	ILX	Coles, Douglas, Moultrie	39 min
Jul 19, 2:25 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Edgar	65 min
Jul 19, 2:50 PM CDT	Severe Thunderstorm Warning	ILX	Crawford	25 min
Jul 19, 3:22 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	38 min
Jul 19, 5:43 PM CDT	Areal Flood Advisory	ILX	Cass, Fulton, Logan, Mason, Menard, Schuyler	6 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.