Alert archive / Kentucky / Areal Flood Warnings in 2011

Areal Flood Warning 13, NWS Louisville, KY

April 27, 2011Clark County, Garrard County, Madison County, Kentucky

NWS Louisville, KY issued this areal flood warning at Apr 27, 2011, 8:29 PM EDT for Clark County, Garrard County, Madison County, 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: Apr 27, 2011, 8:29 PM EDT (00:29 UTC)
Expired: Apr 27, 2011, 11:30 PM EDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Clark County, KY, Garrard County, KY, Madison County, KY

The radar

The Jackson,KY radar (KJKL), 91 km from the middle of the area, began a volume at 00:32 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.5 hours before the alert went out and 189 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 775 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 521 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood 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 areal flood warning went out at Apr 27, 8:03 PM EDT, 26 minutes earlier.

Area forecast discussion, Apr 27, 8:03 PM EDT, 26 minutes before

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Hazardous weather outlook, Apr 27, 4:07 PM EDT, 4 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
407 PM EDT WED APR 27 2011

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-281200-
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-
407 PM EDT WED APR 27 2011 /307 PM CDT WED APR 27 2011/

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

.DAY ONE...LATE THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS WILL REDEVELOP ACROSS MUCH OF CENTRAL KENTUCKY AND
SOUTH CENTRAL INDIANA LATE THIS AFTERNOON AND CONTINUE THIS
EVENING AS LOW PRESSURE RIDES NORTHEAST INTO THE LOWER OHIO
VALLEY. ADDITIONAL RAINFALL THROUGH TONIGHT OF 1 TO 2 INCHES IS
POSSIBLE WHICH COULD RENEW FLASH FLOOD PROBLEMS. BE PREPARED FOR
RAPID STREAM RISES AND DO NOT DRIVE OVER FLOODED ROADWAYS!

IN ADDITION...SEVERE THUNDERSTORMS ARE STILL POSSIBLE LATE THIS
AFTERNOON AND EVENING OVER THE AREA AS STORMS DEVELOP ALONG AND
EAST OF A COLD FRONT AND MOVE RAPIDLY NORTHEAST INTO AND ACROSS CENTRAL
KENTUCKY. SOME OF THESE STORMS COULD PRODUCE DAMAGING WINDS...LARGE
HAIL...AND TORNADOES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

EXPECT CONTINUED FLOODING OF LARGER RIVERS INTO THE WEEKEND.

THUNDERSTORMS WITH A THREAT OF CLOUD TO GROUND LIGHTNING AND BRIEF
HEAVY RAIN ARE POSSIBLE SUNDAY INTO MONDAY AS A COLD FRONT
APPROACHES AND MOVES THROUGH THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT RAINFALL AMOUNTS...FLOODING...
AND ANY OCCURRENCES OF SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE LATE THIS AFTERNOON AND TONIGHT.

TWF

In the hours before

Local storm report, Apr 27, 3:14 PM EDT, 5 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
314 PM EDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0935 AM     TSTM WND DMG     7 ENE CRAB ORCHARD      37.50N  84.39W
04/27/2011                   GARRARD            KY   TRAINED SPOTTER

            TREES WERE DOWNED OR SNAPPED ALONG GABBARD ROAD. ONE
            WAS BLOWN ON TO A MOBILE HOME.

&&

EVENT NUMBER LMK1100689

MRC

Local storm report, Apr 27, 4:26 PM EDT, 4 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
426 PM EDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0424 PM     HAIL             SCOTTSVILLE             36.75N  86.20W
04/27/2011  E0.70 INCH       ALLEN              KY   TRAINED SPOTTER

&&

EVENT NUMBER LMK1100690

MRC

Local storm report, Apr 27, 4:52 PM EDT, 3 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
452 PM EDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 PM     FLOOD            4 W GLENDALE            37.60N  85.99W
04/27/2011                   HARDIN             KY   NWS STORM SURVEY

            TWO FEET OF WATER COVERED HIGHWAY 1375 NEAR STAR MILLS.

&&

EVENT NUMBER LMK1100691

MRC

Special weather statement, Apr 27, 5:13 PM EDT, 3 hours 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
513 PM EDT WED APR 27 2011

KYZ061-062-070>072-272145-
BUTLER-EDMONSON-LOGAN-SIMPSON-WARREN-
413 PM CDT WED APR 27 2011

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING...HEAVY RAIN...SMALL
HAIL...AND GUSTY WINDS WILL QUICKLY MOVE NORTHEAST ACROSS LOGAN
COUNTY AND INTO BUTLER COUNTY...

AT 407 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR RUSSELLVILLE...AND MOVING NORTHEAST AT 50
MPH.

OCCASIONAL LIGHTNING...BRIEF TORRENTIAL RAIN...SMALL PEA OR DIME
SIZE HAIL...AND GUSTY WINDS OF AROUND 35 TO 40 MPH...ARE EXPECTED
WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  RUSSELLVILLE...
  PLUM SPRINGS...
  MORGANTOWN...
  MEMPHIS JUNCTION...
  DELAFIELD...
  SHARER AND RICHELIEU...
  GUY AND SUGAR GROVE...
  RIVERSIDE AND BENLEO...
  ROUNDHILL AND BIG REEDY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF TORRENTIAL RAINFALL WILL QUICKLY REDUCE VISIBILITIES AND
CREATE PONDING OF WATER ON LOCAL ROADWAYS. DRIVERS SHOULD SLOW DOWN
AND TURN ON THEIR HEADLIGHTS IF ENCOUNTERING HEAVY RAINS.

IF YOU ARE IN THE PATH OF THIS STORM...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.

&&

LAT...LON 3708 8698 3708 8694 3709 8692 3712 8691
      3713 8692 3740 8662 3737 8652 3734 8648
      3732 8648 3732 8645 3712 8621 3671 8680
      3693 8707 3700 8707
TIME...MOT...LOC 2111Z 225DEG 69KT 3691 8685

JSD

Local storm report, Apr 27, 7:46 PM EDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
746 PM EDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0740 AM     TSTM WND DMG     GREENSBURG              37.26N  85.50W
04/27/2011                   GREEN              KY   TRAINED SPOTTER

            ROOF WAS BLOWN OFF A BUSINESS. A 60 BY 30 FOOT STORAGE
            BUILDING WAS DESTROYED. A FEW BARNS WERE DESTROYED.

&&

EVENT NUMBER LMK1100692

MRC

Special weather statement, Apr 27, 7:50 PM EDT, 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
750 PM EDT WED APR 27 2011

KYZ049-057-280015-
CLARK-MADISON-
750 PM EDT WED APR 27 2011

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING...HEAVY RAIN...SMALL
HAIL...AND GUSTY WINDS...

AT 744 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES WEST OF RICHMOND...AND MOVING NORTHEAST
AT 75 MPH.

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

* THIS STORM WILL ALSO IMPACT...
  WINCHESTER...
  RICHMOND...
  JACKSON FERRY AND ELKIN...
  FRANKLIN AND HEDGES...
  THOMSON...

THIS STORM WILL AFFECT INTERSTATE 64 IN KENTUCKY BETWEEN MILE MARKERS
101 AND 98.

THIS STORM WILL AFFECT INTERSTATE 75 IN KENTUCKY BETWEEN MILE MARKERS
87 AND 97.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...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.

&&

LAT...LON 3792 8400 3789 8400 3771 8431 3784 8446
      3787 8442 3785 8440 3785 8438 3789 8439
      3789 8435 3791 8435 3792 8434 3793 8435
      3811 8411 3811 8408 3793 8398
TIME...MOT...LOC 2349Z 226DEG 68KT 3784 8430

RS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 9:10 PM EDT	Areal Flood Warning	LMK	Breckinridge, Bullitt, Butler, Edmonson, Grayson, Hancock and 10 more	24 hr
Apr 27, 10:15 PM EDT	River Flood Warning	LMK	Bourbon	23 hr
Apr 27, 11:33 PM EDT	Areal Flood Warning	LMK	Garrard, Madison	12 hr
Apr 28, 7:23 PM EDT	Special Weather Statement	LMK	Bullitt, Franklin, Jefferson, Meade, Shelby, Spencer	52 min
Apr 28, 7:39 PM EDT	River Flood Advisory	LMK	Nicholas, Robertson	4 hr
Apr 27, 10:27 PM EDT	Special Weather Statement	LMK	Dubois, Orange	33 min
Apr 27, 10:56 PM EDT	Special Weather Statement	LMK	Washington	49 min
Apr 28, 5:41 PM EDT	Special Weather Statement	LMK	Clark, Floyd, Jefferson, Scott, Washington	64 min
Apr 28, 6:43 PM EDT	Special Weather Statement	LMK	Crawford, Floyd, Harrison	62 min
Apr 28, 7:27 PM EDT	Special Weather Statement	LMK	Perry	33 min

Nearby

Areal Flood Warnings in Kentucky, 2011 Every areal flood warning in 2011

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.