Alert archive / Kentucky / Flash Flood Warnings in 2009

Flash Flood Warning 22, NWS Paducah, KY

May 9, 2009Christian County, Todd County, Trigg County, Kentucky

NWS Paducah, KY issued this flash flood warning at May 9, 2009, 3:44 AM CDT for Christian County, Todd County, Trigg County, Kentucky. It was in force for 6 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: May 9, 2009, 3:44 AM CDT (08:44 UTC)
Expired: May 9, 2009, 9:45 AM CDT
In force: 6 hr
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Flood severity: None

Counties Christian County, KY, Todd County, KY, Trigg County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.7 hours before the alert went out and 114 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: 755 J/kg
Mixed-layer CIN: -212 J/kg
Mixed-layer LCL: 1403 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 487 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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 May 9, 3:33 AM CDT, 11 minutes earlier.

Area forecast discussion, May 9, 3:33 AM CDT, 11 minutes before

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Hazardous weather outlook, May 8, 3:50 PM CDT, 11 hours 54 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
350 PM CDT FRI MAY 8 2009

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-092100-
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-
350 PM CDT FRI MAY 8 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE POSSIBLE EARLY THIS EVENING GENERALLY SOUTH OF A
LINE FROM NEW MADRID TO MURRAY KENTUCKY. SEVERE WEATHER IS NOT
EXPECTED AT THIS TIME.

MANY AREA RIVERS WILL CONTINUE TO EXPERIENCE MINOR TO MODERATE
FLOODING. PLEASE REFER TO THE LATEST FLOOD WARNINGS AND STATEMENTS
FOR DETAILS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A CHANCE OF THUNDERSTORMS IS FORECAST FOR TUESDAY NIGHT THROUGH
FRIDAY. AT THIS TIME...SEVERE WEATHER AND LOCALLY HEAVY RAINFALL
CANNOT BE RULED OUT DURING THIS PERIOD.

MANY AREA RIVERS WILL CONTINUE TO EXPERIENCE MINOR TO MODERATE
FLOODING. PLEASE REFER TO THE LATEST FLOOD WARNINGS AND
STATEMENTS FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

JAP

In the hours before

Local storm report, May 9, 1:24 AM CDT, 2 hours 20 minutes before

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Local storm report, May 9, 3:16 AM CDT, 28 minutes before

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Local storm report, May 9, 3:21 AM CDT, 23 minutes before

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Local storm report, May 9, 3:22 AM CDT, 22 minutes before

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Local storm report, May 9, 3:24 AM CDT, 20 minutes before

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Local storm report, May 9, 3:28 AM 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
May 8, 9:35 PM CDT	River Flood Warning	PAH	Livingston	9 days
May 8, 11:30 PM CDT	Flash Flood Warning	PAH	Carlisle, Christian, Graves, Lyon, Marshall, Trigg	3 hr
May 9, 12:41 AM CDT	Flash Flood Warning	PAH	Christian, Todd, Trigg	3 hr
May 9, 2:28 AM CDT	Flash Flood Warning	PAH	Calloway, Carlisle, Christian, Graves, Lyon, Marshall and 1 more	6 hr
May 9, 9:29 AM CDT	River Flood Warning	PAH	McLean, Webster	6 days
May 9, 9:33 AM CDT	River Flood Warning	PAH	Crittenden, Livingston	9 days
May 9, 7:26 AM CDT	River Flood Warning	PAH	Gallatin, Wayne, White	22 days
May 9, 9:24 AM CDT	River Flood Warning	PAH	Franklin, Williamson	15 days
May 8, 9:38 PM CDT	Severe Thunderstorm Warning	PAH	Butler, Ripley	52 min
May 8, 10:39 PM CDT	Flash Flood Warning	PAH	Butler, Ripley	3 hr

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.