Alert archive / Kentucky / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 190, NWS Louisville, KY

July 26, 2010Logan County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 26, 2010, 6:26 PM CDT for Logan County, Kentucky. It was in force for 34 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 26, 2010, 6:26 PM CDT (23:26 UTC)
Expired: Jul 26, 2010, 7:00 PM CDT
In force: 34 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

County Logan County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 85 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: 2777 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 817 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 6:16 PM CDT, 10 minutes earlier.

Area forecast discussion, Jul 26, 6:16 PM CDT, 10 minutes before

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Hazardous weather outlook, Jul 26, 3:12 PM CDT, 3 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
412 PM EDT MON JUL 26 2010

INZ076-083-084-089-090-KYZ023>028-045-053>055-061>067-070>078-081-
082-272015-
ORANGE IN-DUBOIS IN-CRAWFORD IN-PERRY IN-HARRISON IN-HANCOCK KY-
BRECKINRIDGE KY-MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY-NELSON KY-
LARUE KY-MARION KY-BOYLE KY-BUTLER KY-EDMONSON KY-HART KY-
GREEN KY-TAYLOR KY-CASEY KY-LINCOLN KY-LOGAN KY-WARREN KY-
SIMPSON KY-ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-ADAIR KY-
RUSSELL KY-CUMBERLAND KY-CLINTON KY-
412 PM EDT MON JUL 26 2010 /312 PM CDT MON JUL 26 2010/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
INDIANA AND CENTRAL KENTUCKY.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL CONTINUE THIS EVENING ACROSS SOUTH
CENTRAL KENTUCKY. THE MAIN THREATS FROM ANY STORM WILL BE
DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE REMAINS OF A COOL FRONT WILL STAY ACROSS THE REGION
TUESDAY...BRINGING SCATTERED TO NUMEROUS THUNDERSTORMS. THE MAIN
THREAT FROM THESE STORMS WILL BE LOCALIZED HEAVY RAINFALL...THOUGH
A FEW OF THE STORMS COULD PRODUCE BRIEF BUT STRONG GUSTY WINDS.

THE ATMOSPHERE SHOULD STAY MOIST AND UNSTABLE ENOUGH FOR ISOLATED TO
SCATTERED STORMS AS A COOL FRONT APPROACHES THE AREA WEDNESDAY AND
THEN PASSES THROUGH THE AREA THURSDAY. GUSTY WINDS...BRIEF HEAVY
RAINFALL...AND LIGHTNING ARE THE MAIN THREATS FROM THESE STORMS.

MAINLY AFTERNOON AND EVENING ISOLATED THUNDERSTORMS WILL BE POSSIBLE
LATE IN THE WEEKEND AS HOT AND MUGGY CONDITIONS RETURN TO THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

INZ077>079-091-092-KYZ029>043-046>049-056-057-272015-
WASHINGTON IN-SCOTT IN-JEFFERSON IN-FLOYD IN-CLARK IN-BULLITT KY-
JEFFERSON KY-OLDHAM KY-TRIMBLE KY-HENRY KY-SHELBY KY-FRANKLIN KY-
SCOTT KY-HARRISON KY-SPENCER KY-ANDERSON KY-WOODFORD KY-
FAYETTE KY-BOURBON KY-NICHOLAS KY-WASHINGTON KY-MERCER KY-
JESSAMINE KY-CLARK KY-GARRARD KY-MADISON KY-
412 PM EDT MON JUL 26 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
INDIANA AND CENTRAL KENTUCKY.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE REMAINS OF A COOL FRONT WILL STAY ACROSS THE REGION
TUESDAY...BRINGING SCATTERED TO NUMEROUS THUNDERSTORMS. THE MAIN
THREAT FROM THESE STORMS WILL BE LOCALIZED HEAVY RAINFALL...THOUGH
A FEW OF THE STORMS COULD PRODUCE BRIEF BUT STRONG GUSTY WINDS.

THE ATMOSPHERE SHOULD STAY MOIST AND UNSTABLE ENOUGH FOR ISOLATED TO
SCATTERED STORMS AS A COOL FRONT APPROACHES THE AREA WEDNESDAY AND
THEN PASSES THROUGH THE AREA THURSDAY. GUSTY WINDS...BRIEF HEAVY
RAINFALL...AND LIGHTNING ARE THE MAIN THREATS FROM THESE STORMS.

MAINLY AFTERNOON AND EVENING ISOLATED THUNDERSTORMS WILL BE POSSIBLE
LATE IN THE WEEKEND AS HOT AND MUGGY CONDITIONS RETURN TO THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

EES/AL/13

In the hours before

Special weather statement, Jul 26, 3:38 PM CDT, 2 hours 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
438 PM EDT MON JUL 26 2010

KYZ081-262100-
CUMBERLAND-
338 PM CDT MON JUL 26 2010

...STRONG STORM WITH VERY HEAVY RAIN AFFECTING NORTHERN CUMBERLAND
COUNTY...

AT 330 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE FROM 8 MILES EAST OF BREEDING TO
BREEDING...MOVING SOUTH AT 10 MPH.

OCCASIONAL LIGHTNING...VERY HEAVY RAIN WITH RAINFALL RATES OF AROUND
ONE AND A HALF INCHES PER HOUR...AND GUSTY WINDS TO 40 MPH ARE
EXPECTED WITH THESE STORMS.

THESE STORMS WILL IMPACT...
   AMANDAVILLE...
   BECKS STORE...
   BAKERTON...
   CLAYWELL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY HEAVY RAINFALL IS OCCURRING. EXPECT PONDING OF WATER ON LOCAL
ROADWAYS. DRIVERS SHOULD SLOW DOWN AND TURN ON THEIR HEADLIGHTS IF
ENCOUNTERING HEAVY RAINS.

&&

LAT...LON 3683 8555 3687 8553 3689 8548 3694 8545
      3693 8526 3692 8525 3690 8528 3688 8526
      3684 8523
TIME...MOT...LOC 2036Z 025DEG 4KT 3693 8528 3690 8547

13

Special weather statement, Jul 26, 4:21 PM CDT, 2 hours 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
521 PM EDT MON JUL 26 2010

KYZ075>077-081-262230-
MONROE KY-METCALFE KY-ADAIR KY-CUMBERLAND KY-
INCLUDING THE CITIES OF...TOMPKINSVILLE...EDMONTON...COLUMBIA...
BURKESVILLE
421 PM CDT MON JUL 26 2010

...THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTHERN KENTUCKY...

THUNDERSTORMS WITH RAINFALL RATES OF MORE THAN AN INCH PER HOUR
WILL BE SOAKING PORTIONS OF METCALFE...ADAIR...CUMBERLAND...AND
MONROE COUNTIES THROUGH 600 PM CDT. MINOR FLOODING ISSUES MAY
ARISE AT LOW WATER CROSSINGS AND IN LOCATIONS THAT DO NOT DRAIN
WELL.

PLEASE REMEMBER TO NEVER DRIVE THROUGH FLOODED ROADWAYS. TURN
AROUND AND FIND AN ALTERNATE ROUTE. THE FEW EXTRA MINUTES OF
INCONVENIENCE COULD SAVE YOUR LIFE.

13

Special weather statement, Jul 26, 4:48 PM CDT, 1 hour 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
548 PM EDT MON JUL 26 2010

KYZ075-081-262215-
CUMBERLAND-MONROE-
448 PM CDT MON JUL 26 2010

...STRONG STORM WITH VERY HEAVY RAIN AFFECTING SOUTHWESTERN
CUMBERLAND AND SOUTHEASTERN MONROE COUNTIES...

AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 9 MILES SOUTHWEST OF BURKESVILLE...DRIFTING
SOUTH AT 5 MPH.

OCCASIONAL LIGHTNING...HEAVY RAIN WITH RAINFALL RATES OF AROUND ONE
TO ONE AND A HALF INCHES PER HOUR...AND GUSTY WINDS TO 40 MPH ARE
EXPECTED WITH THIS STORM.

THIS STORM WILL IMPACT...
   BLACKS FERRY...
   MARTINSBURG...
   VERNON...
   LOW GAP...
   PEYTONSBURG...

KETTLE CREEK WILL ALSO BE AFFECTED BY THE HEAVY RAINS FROM THIS
STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY HEAVY RAINFALL IS OCCURRING. EXPECT PONDING OF WATER ON LOCAL
ROADWAYS. DRIVERS SHOULD SLOW DOWN AND TURN ON THEIR HEADLIGHTS IF
ENCOUNTERING HEAVY RAINS.

&&

LAT...LON 3661 8551 3662 8559 3674 8554 3675 8540
      3662 8536 3661 8540 3661 8549
TIME...MOT...LOC 2145Z 000DEG 3KT 3669 8548

13

Special weather statement, Jul 26, 5:21 PM CDT, 1 hour 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
621 PM EDT MON JUL 26 2010

KYZ073>076-270000-
ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-
INCLUDING THE CITIES OF...SCOTTSVILLE...GLASGOW...TOMPKINSVILLE...
EDMONTON
521 PM CDT MON JUL 26 2010

...THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTHERN KENTUCKY...

THUNDERSTORMS WITH RAINFALL RATES OF MORE THAN AN INCH PER HOUR
WILL BE SOAKING PORTIONS OF METCALFE...MONROE...BARREN...AND ALLEN COUNTIES
THROUGH 700 PM CDT. MINOR FLOODING ISSUES MAY ARISE AT LOW WATER
CROSSINGS AND IN LOCATIONS THAT DO NOT DRAIN WELL.

SOME OF THE STRONGER STORMS WILL PRODUCE WIND GUSTS OF 30 MPH AND
POSSIBLY EVEN SOME BRIEF SMALL HAIL.

PLEASE REMEMBER TO NEVER DRIVE THROUGH FLOODED ROADWAYS. TURN
AROUND AND FIND AN ALTERNATE ROUTE. THE FEW EXTRA MINUTES OF
INCONVENIENCE COULD SAVE YOUR LIFE.

13

Special weather statement, Jul 26, 5:47 PM CDT, 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 3:38 PM CDT	Special Weather Statement	LMK	Cumberland	22 min
Jul 26, 3:58 PM CDT	Areal Flood Advisory	LMK	Cumberland	118 min
Jul 26, 4:48 PM CDT	Special Weather Statement	LMK	Cumberland	27 min
Jul 26, 5:47 PM CDT	Special Weather Statement	LMK	Warren	28 min
Jul 26, 6:00 PM CDT	Severe Thunderstorm Warning	LMK	Warren	30 min
Jul 26, 6:03 PM CDT	Severe Thunderstorm Warning	LMK	Barren	27 min
Jul 26, 6:35 PM CDT	Special Weather Statement	LMK	Allen, Barren	25 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 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.