Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 230, NWS Louisville, KY

July 5, 2009Warren County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 5, 2009, 1:13 PM CDT for Warren County, Kentucky. It was in force for 24 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 5, 2009, 1:13 PM CDT (18:13 UTC)
Expired
Jul 5, 2009, 1:37 PM CDT
In force
24 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

County Warren County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.2 hours before the alert went out and 97 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, Nashville Metro, TN at 12:00Z on 2009-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 448 joules per kilogram.LCLLFCEL10008507005003002001001 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, Nashville Metro, TN at 12:00Z on 2009-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.193958Sfc1 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
448 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

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 5, 12:50 PM CDT, 23 minutes earlier.

Area forecast discussion, Jul 5, 12:50 PM CDT, 23 minutes before
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Hazardous weather outlook, Jul 5, 10:40 AM CDT, 2 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
1140 AM EDT SUN JUL 5 2009

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-060830-
ORANGE IN-WASHINGTON IN-SCOTT IN-JEFFERSON IN-DUBOIS IN-
CRAWFORD IN-PERRY IN-HARRISON IN-FLOYD IN-CLARK IN-HANCOCK KY-
BRECKINRIDGE KY-MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY-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-NELSON KY-WASHINGTON KY-
MERCER KY-JESSAMINE KY-CLARK KY-LARUE KY-MARION KY-BOYLE KY-
GARRARD KY-MADISON 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-
1140 AM EDT SUN JUL 5 2009 /1040 AM CDT SUN JUL 5 2009/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AS
LOW PRESSURE MOVES ACROSS CENTRAL KENTUCKY. CLOUD TO GROUND
LIGHTNING AND BRIEF HEAVY RAINFALL WILL BE THE MAIN THREAT WITH ANY
STORMS THAT DEVELOP.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS WILL RETURN TO THE REGION FRIDAY NIGHT INTO SATURDAY
AS A COOL FRONT PASSES THROUGH THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

DK

In the hours before

Special weather statement, Jul 5, 11:44 AM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1244 PM EDT SUN JUL 5 2009

KYZ028-045-046-053-054-065-051745-
HARDIN-LARUE-MARION-NELSON-TAYLOR-WASHINGTON-
1244 PM EDT SUN JUL 5 2009

...STRONG STORM...

AT 1243 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR ELIZABETHTOWN...OR 34 MILES SOUTH OF
LOUISVILLE...AND MOVING SOUTHEAST AT 30 MPH.

HEAVY RAIN WITH RAINFALL AMOUNTS OF AROUND ONE INCH PER HOUR REDUCING
VISIBILITIES TO LESS THAN ONE MILE...SMALL PEA OR MARBLE SIZE HAIL...
AND GUSTY WINDS OF AROUND 35 TO 40 MPH...ARE EXPECTED WITH THIS
STORM.

THIS STORM WILL BE...
  NEAR BOSTON AROUND 1255 PM EDT.
  NEAR LYONS AROUND 105 PM EDT.
  NEAR NEW HAVEN AROUND 110 PM EDT.
  NEAR NEW HOPE AROUND 115 PM EDT.
  NEAR HOLY CROSS AROUND 120 PM EDT.
  NEAR LORETTO AROUND 125 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...SEEK SHELTER INDOORS AND
STAY AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO...
WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER
UPDATES AND POSSIBLE WARNINGS.

&&

KIRKPATRICK
Special weather statement, Jul 5, 12:54 PM CDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
154 PM EDT SUN JUL 5 2009

KYZ061-062-071-051815-
BUTLER-EDMONSON-WARREN-
1254 PM CDT SUN JUL 5 2009

...HEAVY RAINFALL IS HEADING TOWARD BOWLING GREEN...

AT 1248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A
HEAVY RAIN PRODUCING THUNDERSTORM 11 MILES NORTHWEST OF BOWLING
GREEN...MOVING EAST AT 20 MPH.

A SPOTTER REPORTED THAT RAINFALL AMOUNTS OF AROUND TWO INCHES
OCCURRED IN JUST OVER AN HOUR WITH THIS STORM AS IT MOVED THROUGH
ABERDEEN IN CENTRAL BUTLER COUNTY.

THIS STORM WILL BE...
  NEAR BOWLING GREEN AROUND 115 PM CDT.

THIS STORM WILL AFFECT INTERSTATE 65 IN KENTUCKY BETWEEN MILE MARKERS
22 AND 38...AND THE NATCHER PARKWAY BETWEEN MILE MARKERS 5 AND 7.
VISIBILITY WILL BE REDUCED TO LESS THAN HALF A MILE IN THE HEAVIEST
RAINFALL AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

JBS

Nearby

Severe Thunderstorm Warnings in Kentucky, 2009Every severe thunderstorm 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.