Alert archive / Illinois / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 127, NWS Paducah, KY

May 10, 2007Franklin County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at May 10, 2007, 5:54 PM CDT for Franklin County, Illinois. It was in force for 66 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
May 10, 2007, 5:54 PM CDT (22:54 UTC)
Expired
May 10, 2007, 7:00 PM CDT
In force
66 min
Issued by
NWS Paducah, KY
Area
Counties, with a storm outline in the text

County Franklin County, IL

The radar

The Paducah radar (KPAH), 104 km from the middle of the area, began a volume at 22:54 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 12:00Z, 10.9 hours before the alert went out and 242 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 12:00Z on 2007-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2007-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2262 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
69 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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at May 10, 1:12 PM CDT, 4 hours 42 minutes earlier.

Area forecast discussion, May 10, 1:12 PM CDT, 4 hours 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
112 PM CDT THU MAY 10 2007

.DISCUSSION...
GEN RISK TSMS TODAY MAINLY OF DIURNAL NATURE...IN BETWEEN 2 ZONES
OF BETTER LIFT/FORCING...ONE TO THE NW OVER CNTL MO...IN VCNTY
WEAK FRONTAL BOUNDARY...THE OTHER TO THE SOUTH OVER NE AR/W
TN...AHEAD OF VORT MAX. MESO-NAM MODELS THIS CONVECTION
NICELY...DRIFTING THE VORT AIDED PCPN EWARD...AND PAINTING QPFS
OF 1 TO 2 TENTHS OVER PENNYRILE OF WKY IN THE PROCESS. THE
CONVECTION TO OUR NW STAYS IN THAT VICINITY UNTIL TONIGHT...WHEN
THE AFOREMENTIONED VORT DRIFTS NORTH AROUND PERIPHERY OF H5
DOME...WHEN IT TOPS RIDGE AND INTERACTS WITH SAID BOUNDARY. THIS
BOUNDARY THEN DRIFTS SLOWLY SOUTHWARD OVER TIME...THE MODELS MORE
OR LESS AGREEING ON ITS DRIFT OVER PAH FA FRI-FRIDAY NIGHT...WITH
IT DEPARTING TO THE SOUTH ON SATURDAY.

AFTER THAT THE REMAINDER OF THE WEEKEND AND INTO EARLY NEXT WEEK
LOOKS TO BE SLIGHTLY DRIER W/RH AND PLEASANTLY SEASONAL ON
TEMPS. THAT SHOULD LAST AT LEAST UNTIL TUESDAY AS HIGH PRESSURE
SLIDES SOUTH ALONG THE EAST COAST. THEN THE PATTERN SHIFTS TO MORE
UNSETTLED...ALLOWING ANOTHER FROPA/CHC PCPN TUE-WED...MODELS
DIFFERING SOMEWHAT ON SOLUTION. GFS DRIVES THE FRONT THRU ROBUSTLY
TUE NIGHT...WHILE THE DGEX MORE SUBTLY DRIFTS IT THRU WED. WE TAKE
A MID GROUND APPROACH AND LINGER A POP BUT SLOWLY WORK IT SOUTH
W/FROPA BY WED...WHICH SHOULD LEAD TO FINISHING OUT THE REMAINDER
OF THE WORK WEEK DRY.

MAV/MET MOS BLEND WORKS NICELY W/PERSISTENCE STRATEGY AND COLLAB
PIC NEAR TO MEDIUM RANGE. LONGER RANGE BLEND OF MEX MOS AND HPC
NOS FITS COLLAB PIC BEST.

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
KY...NONE.
MO...NONE.
IL...NONE.
IN...NONE.
&&
Hazardous weather outlook, May 10, 2:39 PM CDT, 3 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
239 PM CDT THU MAY 10 2007

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-111000-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
239 PM CDT THU MAY 10 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY...AND SOUTHEAST
MISSOURI.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL CONTINUE IN THE AFTERNOON HEAT. WHILE
WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED...ANY STRONG STORMS
WILL BE CAPABLE OF PRODUCING FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN THAT MAY FLOOD LOW LYING OR FLOOD PRONE AREAS...AND CAUSE
PONDING OF WATER ON ROADWAYS. IN ADDITION...ISOLATED STRONG STORMS
MAY PRODUCE SMALL HAIL.

STORMS MAY DIMINISH DURING THE EVENING...ESPECIALLY AFTER
SUNSET...BUT THEN A BOUNDARY SAGGING INTO THE AREA WILL KEEP A
CHANCE OF THUNDERSTORMS THROUGHOUT THE NIGHT. LOCALLY HEAVY RAIN AND
FREQUENT LIGHTNING WILL BE THE PRIMARY WEATHER THREATS OVERNIGHT AS
WELL.

FLOOD WARNINGS REMAIN IN EFFECT FOR PORTIONS OF THE MISSISSIPPI
RIVER. SEE THE LATEST FLOOD WARMINGS AND STATEMENTS FOR MORE
DETAILED INFORMATION.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE OF THUNDERSTORMS FRIDAY INTO FRIDAY EVENING.
ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE.

THE CHANCE OF THUNDERSTORMS RETURNS TUESDAY AND WEDNESDAY. THERE
IS A POTENTIAL FOR ISOLATED SEVERE THUNDERSTORMS DURING THAT TIME.

FLOOD WARNINGS HAVE BEEN ISSUED FOR PORTIONS OF THE MISSISSIPPI
RIVER. SEE THE LATEST FLOOD WARNINGS AND STATEMENTS FOR MORE
DETAILED INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO RELAY THUNDERSTORM OR FLOOD REPORTS.

In the hours before

Special weather statement, May 10, 2:20 PM CDT, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
220 PM CDT THU MAY 10 2007

ILZ084>094-KYZ001>014-MOZ111-112-114-102100-
ALEXANDER IL-BALLARD KY-CALDWELL KY-CALLOWAY KY-CARLISLE KY-
CRITTENDEN KY-FULTON KY-GALLATIN IL-GRAVES KY-HARDIN IL-HICKMAN KY-
JACKSON IL-JOHNSON IL-LIVINGSTON KY-LYON KY-MARSHALL KY-MASSAC IL-
MCCRACKEN KY-MISSISSIPPI MO-NEW MADRID MO-POPE IL-PULASKI IL-
SALINE IL-SCOTT MO-TRIGG KY-UNION IL-UNION KY-WILLIAMSON IL-
220 PM CDT THU MAY 10 2007

...SCATTERED STRONG THUNDERSTORMS ACROSS WESTERN KENTUCKY AND
SOUTHERN ILLINOIS...

AT 220 PM...WEATHER SERVICE DOPPLER RADAR DETECTED TWO AREAS OF
THUNDERSTORMS ACROSS WEST KENTUCKY AND SOUTHERN ILLINOIS. ONE AREA
EXTENDED FROM JUST SOUTHEAST OF CARBONDALE ILLINOIS...TO NEAR
SMITHLAND KENTUCKY. THE SECOND AREA WAS FROM THE MAYFIELD AREA TO
JUST SOUTHWEST OF MURRAY. MOVEMENT OF THE ACTIVITY WAS SLOWLY EAST
TO NORTHEAST AT 5 MPH

THROUGH MID AFTERNOON...SCATTERED THUNDERSTORM ACTIVITY WILL
CONTINUE ACROSS WEST KENTUCKY AND SOUTHERN ILLINOIS...ESPECIALLY
ALONG INTERSTATE 24 NEAR VIENNA...SOUTH TOWARD THE WESTERN END OF
THE LAND BETWEEN THE LAKES AREA. THE STRONGEST STORMS WILL BE
CAPABLE OF PEA TO MARBLE SIZE HAIL. STORMS WILL ALSO BE CAPABLE OF
VERY HEAVY RAIN IN A SHORT AMOUNT OF TIME. THE HEAVY RAIN COULD LEAD
TO MINOR WATER PROBLEMS.

STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA FOR FURTHER STATEMENTS
AND POSSIBLE WARNINGS.
Special weather statement, May 10, 2:20 PM CDT, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE PADUCAH KY
220 PM CDT THU MAY 10 2007

ILZ084>094-KYZ001>014-MOZ111-112-114-102100-
ALEXANDER IL-BALLARD KY-CALDWELL KY-CALLOWAY KY-CARLISLE KY-
CRITTENDEN KY-FULTON KY-GALLATIN IL-GRAVES KY-HARDIN IL-HICKMAN KY-
JACKSON IL-JOHNSON IL-LIVINGSTON KY-LYON KY-MARSHALL KY-MASSAC IL-
MCCRACKEN KY-MISSISSIPPI MO-NEW MADRID MO-POPE IL-PULASKI IL-
SALINE IL-SCOTT MO-TRIGG KY-UNION IL-UNION KY-WILLIAMSON IL-
220 PM CDT THU MAY 10 2007

...SCATTERED STRONG THUNDERSTORMS ACROSS WESTERN KENTUCKY AND
SOUTHERN ILLINOIS...

AT 220 PM...WEATHER SERVICE DOPPLER RADAR DETECTED TWO AREAS OF
THUNDERSTORMS ACROSS WEST KENTUCKY AND SOUTHERN ILLINOIS. ONE AREA
EXTENDED FROM JUST SOUTHEAST OF CARBONDALE ILLINOIS...TO NEAR
SMITHLAND KENTUCKY. THE SECOND AREA WAS FROM THE MAYFIELD AREA TO
JUST SOUTHWEST OF MURRAY. MOVEMENT OF THE ACTIVITY WAS SLOWLY EAST
TO NORTHEAST AT 5 MPH.

THROUGH MID AFTERNOON...SCATTERED THUNDERSTORM ACTIVITY WILL
CONTINUE ACROSS WEST KENTUCKY AND SOUTHERN ILLINOIS...ESPECIALLY
ALONG INTERSTATE 24 NEAR VIENNA...SOUTH TOWARD THE WESTERN END OF
THE LAND BETWEEN THE LAKES AREA. THE STRONGEST STORMS WILL BE
CAPABLE OF PEA TO MARBLE SIZE HAIL. STORMS WILL ALSO BE CAPABLE OF
VERY HEAVY RAIN IN A SHORT AMOUNT OF TIME. THE HEAVY RAIN COULD LEAD
TO MINOR WATER PROBLEMS.

STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA FOR FURTHER STATEMENTS
AND POSSIBLE WARNINGS.
Special weather statement, May 10, 5:06 PM CDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
506 PM CDT THU MAY 10 2007

ILZ075-076-082-083-087-INZ085-KYZ014-018-110015-
JEFFERSON-WAYNE IL-HAMILTON-WHITE-GALLATIN-POSEY-UNION KY-
HENDERSON-
INCLUDING THE CITIES OF...MOUNT VERNON...FAIRFIELD...
MCLEANSBORO...CARMI...SHAWNEETOWN...POSEYVILLE...MORGANFIELD...
HENDERSON
506 PM CDT THU MAY 10 2007

...LOCALLY HEAVY RAIN LIKELY THROUGH 7 PM...

A BROKEN LINE OF SHOWERS AND THUNDERSTORMS...CAPABLE OF PRODUCING
LOCALLY HEAVY RAIN BETWEEN ONE AND THREE INCHES...WILL CONTINUE TO
PERSIST ACROSS PART OF SOUTHEAST ILLINOIS...SOUTHWEST INDIANA AND
NORTHWEST KENTUCKY THROUGH 7 PM.

THE HEAVIEST RAIN WILL CONTINUE ALONG AND EITHER SIDE OF A LINE
STRETCHING FROM DIX...BELLE PRAIRIE CITY AND MAUNIE
ILLINOIS...ONWARD TO MOUNT VERNON INDIANA AND CORYDON KENTUCKY.

THE RAIN WILL LIKELY CAUSE LOCALIZED FLOODING OF LOW-LYING AREAS
AND LEAD TO PONDING OF WATER ON SECONDARY ROADWAYS THROUGH AT
LEAST 630 PM. PLEASE AVOID TRAVELING ON ANY ROADS THAT ARE
BECOMING COVERED WITH WATER AND SEEK ALTERNATE ROUTES.

IN ADDITION TO THE HEAVY RAIN...FREQUENT LIGHTNING AND SMALL
HAIL...UP TO A HALF INCH...MAY BE POSSIBLE IN THE STRONGER
STORMS.

THE COVERAGE AND INTENSITY OF THE STORMS SHOULD GRADUALLY DIMINISH
AFTER 7 PM.

SMITH
Local storm report, May 10, 5:19 PM CDT, 35 minutes before
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The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 1:55 PM CDTSevere Thunderstorm WarningPAHCalloway50 min
May 10, 2:58 PM CDTSevere Thunderstorm WarningPAHMcCracken, Marshall43 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2007Every severe thunderstorm warning in 2007

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.