Alert archive / Kentucky / Flash Flood Warnings in 2009

Flash Flood Warning 33, NWS Paducah, KY

June 17, 20094 counties in Kentucky

NWS Paducah, KY issued this flash flood warning at Jun 17, 2009, 11:42 PM CDT for 4 counties in Kentucky. It was in force for 3 hr. 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 17, 2009, 11:42 PM CDT (04:42 UTC)
Expired: Jun 18, 2009, 2:30 AM CDT
In force: 3 hr
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Flood severity: None

Counties Caldwell County, KY, Christian County, KY, Hopkins County, KY, Trigg County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.7 hours before the alert went out and 140 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: 3707 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1041 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 17, 7:43 PM CDT, 3 hours 59 minutes earlier.

Area forecast discussion, Jun 17, 7:43 PM CDT, 3 hours 59 minutes before

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Hazardous weather outlook, Jun 17, 4:38 PM CDT, 7 hours 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
438 PM CDT WED JUN 17 2009

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-181145-
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-
438 PM CDT WED JUN 17 2009

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

.DAY ONE...TONIGHT

A SLIGHT RISK OF SEVERE STORMS CONTINUES TONIGHT FOR NEARLY ALL
OF THE OUTLOOK AREA....NORTHEAST OF A PIEDMONT AND NEW MADRID
MISSOURI LINE. DAMAGING WINDS AND HAIL WILL BE THE PRIMARY HAZARDS
WITH ANY SEVERE STORMS THAT OCCUR THIS EVENING.

THE THUNDERSTORMS THAT HAVE OCCURRED LATE WEDNESDAY AFTERNOON
SHOULD DISSIPATE DURING THE EVENING. ADDITIONAL DEVELOPMENT OVER
THE MISSOURI VALLEY MAY IMPACT NORTHERN PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA AND NORTHWEST KENTUCKY LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A SLIGHT RISK OF SEVERE STORMS IS POSSIBLE ACROSS A SMALL PART OF
SOUTHWEST INDIANA...AND ADJACENT PARTS OF SOUTHEAST ILLINOIS AND
NORTHWEST KENTUCKY ON THURSDAY. THE MAIN HAZARDS WILL BE DAMAGING
WINDS AND HAIL.

OTHERWISE...HOT...HUMID AIR IS FORECAST TO SPREAD ACROSS THE REGION
THURSDAY AND FRIDAY. MAXIMUM HEAT INDEX VALUES BOTH AFTERNOONS
WILL TOP OUT NEAR 100 DEGREES. THIS WILL BE THE FIRST SIGNIFICANT
WAVE OF HEAT TO AFFECT THE REGION THIS SEASON.

A CHANCE OF THUNDERSTORMS ARE FORECAST ALONG AND AHEAD OF A COLD
FRONT THAT WILL SLOWLY MOVE SOUTH AND DISSIPATE ACROSS THE QUAD
STATE REGION FRIDAY AFTERNOON INTO SATURDAY.

ANOTHER SLIGHT RISK OF SEVERE THUNDERSTORMS IS EXPECTED FRIDAY
AFTERNOON AND EVENING FOR THE ENTIRE OUTLOOK AREA. EARLY
INDICATIONS FROM THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA
SUGGEST THAT THE THUNDERSTORMS AHEAD OF THIS FRONT MAY BECOME
ORGANIZED AND EVOLVE INTO A SIGNIFICANT...LONG LIVED DAMAGING WIND
EVENT...KNOWN AS A DERECHO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED THIS AFTERNOON AND EVENING OVER
SOUTHWEST INDIANA AND WESTERN KENTUCKY...AND MAY BE NEEDED AGAIN
FRIDAY AFTERNOON AND EVENING.

RJP/SMITH

In the hours before

Special weather statement, Jun 17, 10:12 PM CDT, 1 hour 30 minutes before

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Local storm report, Jun 17, 10:28 PM CDT, 1 hour 14 minutes before

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Special weather statement, Jun 17, 10:49 PM CDT, 53 minutes before

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Local storm report, Jun 17, 10:52 PM CDT, 50 minutes before

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Local storm report, Jun 17, 10:55 PM CDT, 47 minutes before

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Local storm report, Jun 17, 11:26 PM CDT, 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:11 PM CDT	Tornado Warning	PAH	Christian, Todd	34 min
Jun 17, 7:18 PM CDT	Areal Flood Advisory	PAH	Christian, Todd	117 min
Jun 17, 7:43 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Todd	32 min
Jun 17, 8:58 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Trigg	27 min
Jun 17, 10:21 PM CDT	Areal Flood Advisory	PAH	Christian, Trigg	3 hr
Jun 17, 10:22 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Trigg	23 min
Jun 17, 10:56 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell	34 min
Jun 17, 11:00 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Trigg	30 min
Jun 17, 11:11 PM CDT	Areal Flood Advisory	PAH	Hopkins	109 min
Jun 17, 11:14 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Hopkins	31 min
Jun 17, 11:21 PM CDT	Areal Flood Advisory	PAH	Caldwell	114 min
Jun 18, 12:20 AM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Livingston, Lyon	25 min
Jun 18, 12:52 AM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Lyon, Trigg	23 min
Jun 18, 1:36 AM CDT	Severe Thunderstorm Warning	PAH	Lyon, Trigg	39 min
Jun 18, 2:58 AM CDT	Severe Thunderstorm Warning	PAH	Henderson, Union, Webster	32 min
Jun 18, 4:06 PM CDT	Heat Advisory	PAH	Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more	27 hr
Jun 18, 11:35 AM CDT	River Flood Warning	PAH	Alexander	5 days

Nearby

Flash Flood Warnings in Kentucky, 2009 Every flash flood warning in 2009

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.