Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 271, NWS Louisville, KY

October 9, 2009Allen County, Barren County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Oct 9, 2009, 12:15 PM CDT for Allen County, Barren County, Kentucky. It was in force for 30 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: Oct 9, 2009, 12:15 PM CDT (17:15 UTC)
Expired: Oct 9, 2009, 12:45 PM CDT
In force: 30 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

Counties Allen County, KY, Barren County, KY

The radar

The Nashville radar (KOHX), 81 km from the middle of the area, began a volume at 17:17 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

Nashville Metro, TN (KBNA), launched 12:00Z, 5.3 hours before the alert went out and 94 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: 1183 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 270 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 8.5

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 Oct 9, 12:14 PM CDT, 1 minute earlier.

Area forecast discussion, Oct 9, 12:14 PM CDT, 1 minute before

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Hazardous weather outlook, Oct 9, 9:59 AM CDT, 2 hours 16 minutes before

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In the hours before

Local storm report, Oct 9, 8:22 AM CDT, 3 hours 53 minutes before

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Local storm report, Oct 9, 8:51 AM CDT, 3 hours 24 minutes before

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Local storm report, Oct 9, 8:55 AM CDT, 3 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
955 AM EDT FRI OCT 09 2009

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

0448 AM     TSTM WND DMG     3 W NEW HAVEN           37.66N  85.64W
10/09/2009                   LARUE              KY   EMERGENCY MNGR

            TWO TREES DOWN ALONG YOUNGER CREEK ROAD JUST WEST OF
            NEW HAVEN.

&&

EVENT NUMBER LMK0900181

JSD

Local storm report, Oct 9, 9:19 AM CDT, 2 hours 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1019 AM EDT FRI OCT 09 2009

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

0415 AM     TSTM WND DMG     QUALITY                 37.07N  86.85W
10/09/2009                   BUTLER             KY   EMERGENCY MNGR

            TWO TREES DOWNED ACROSS ROADS IN SOUTHERN BUTLER
            COUNTY. ONE WAS ACROSS STATE HIGHWAY 106 NEAR LOGAN
            COUNTY.

&&

EVENT NUMBER LMK0900182

JSD

Local storm report, Oct 9, 9:30 AM CDT, 2 hours 45 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LOUISVILLE KY
1030 AM EDT FRI OCT 09 2009

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

0849 PM     FLOOD            8 ENE TAYLORSVILLE      38.08N  85.21W
10/08/2009                   SPENCER            KY   TRAINED SPOTTER

            WATER OVER BRIDGE ON NORMANDY RD IN THE ELK CREEK AREA.

0239 AM     FLASH FLOOD      1 N ENGLISH             38.35N  86.46W
10/09/2009                   CRAWFORD           IN   LAW ENFORCEMENT

            SR 237 CLOSED AT SR 64 JUST NORTH OF ENGLISH DUE TO
            HIGH WATER. ROCKS AND DEBRIS ON SR 237 AS WELL. NUMEROUS
            OTHER ROAD CLOSURES THROUGHOUT THE COUNTY.

0317 AM     FLASH FLOOD      4 WNW BEDFORD           38.62N  85.39W
10/09/2009                   TRIMBLE            KY   EMERGENCY MNGR

            KY625 AT MT PLEASANT HAS 4 FEET OF WATER FLOWING OVER
            THE BRIDGE.

0317 AM     FLASH FLOOD      3 ENE BEDFORD           38.61N  85.27W
10/09/2009                   TRIMBLE            KY   EMERGENCY MNGR

            5 FEET OF WATER FLOWING OVER US 42 AT CONNECTOR RD.

0335 AM     FLASH FLOOD      LEAVENWORTH             38.20N  86.35W
10/09/2009                   CRAWFORD           IN   LAW ENFORCEMENT

            SR 66 IMPASSABLE AT SR 62. DEBRIS COVERING ROADWAY. BOX
            TRAILER FLOATED INTO THE ROAD.

0345 AM     FLASH FLOOD      DEPAUW                  38.33N  86.22W
10/09/2009                   HARRISON           IN   COUNTY OFFICIAL

            3 TO 4 FEET OF WATER FLOWING OVER SR 64 AT
            FREDRICKSBURG RD. NUMEROUS OTHER ROADS IMPASSABLE.

0400 AM     FLASH FLOOD      MARENGO                 38.37N  86.34W
10/09/2009                   CRAWFORD           IN   LAW ENFORCEMENT

            WHISKEY RUN CREEK OVERFLOWING ITS BANKS AND CAUSING
            EVACUATIONS BY BOAT NEAR MARENGO.

0405 AM     TSTM WND DMG     RINEYVILLE              37.75N  85.97W
10/09/2009                   HARDIN             KY   TRAINED SPOTTER

            ROOF DAMAGE WAS REPORTED AND TREES WEE DOWNED ON
            HIGHWAY 220.

0410 AM     TSTM WND DMG     3 W CECILIA             37.67N  86.00W
10/09/2009                   HARDIN             KY   LAW ENFORCEMENT

            THE DOOR WAS BLOWN OFF A MOBILE HOME.

0415 AM     TSTM WND DMG     QUALITY                 37.07N  86.85W
10/09/2009                   BUTLER             KY   EMERGENCY MNGR

            TWO TREES DOWNED ACROSS ROADS IN SOUTHERN BUTLER
            COUNTY. ONE WAS ACROSS STATE HIGHWAY 106 NEAR LOGAN
            COUNTY.

0430 AM     TSTM WND DMG     2 NNW UPTON             37.49N  85.90W
10/09/2009                   HARDIN             KY   LAW ENFORCEMENT

            A 52 BY 32 FOOT BARN NEAR THE OLD DIXIE LOOP WAS BLOWN
            AWAY. MANY TREES AND POWER POLES WERE SNAPPED IN THE
            SAME AREA. TREES WERE DOWNED ALONG HIGHWAY 31W BETWEEN
            UPTON AND SONORA.

0448 AM     TSTM WND DMG     3 W NEW HAVEN           37.66N  85.64W
10/09/2009                   LARUE              KY   EMERGENCY MNGR

            TWO TREES DOWN ALONG YOUNGER CREEK ROAD JUST WEST OF
            NEW HAVEN.

0458 AM     FLASH FLOOD      PALMYRA                 38.41N  86.11W
10/09/2009                   HARRISON           IN   COUNTY OFFICIAL

            COUNTY LINE ROAD NORTH OF US 150 AND OLD EAST ROAD NEAR
            INDIANA 135 ARE ALMOST IMPASSABLE.

0459 AM     TSTM WND DMG     3 SE LAWRENCEBURG       38.00N  84.86W
10/09/2009                   ANDERSON           KY   EMERGENCY MNGR

            CARPORT DAMAGED NEAR INTERSECTION OF HIGHWAY 127 AND
            THE BLUEGRASS PARKWAY. SEVERAL TREE LIMBS DOWNED IN SAME
            AREA.

0515 AM     TSTM WND DMG     5 NW LEBANON            37.62N  85.32W
10/09/2009                   MARION             KY   CO-OP OBSERVER

            A BARN AND AN OUTBUILDING WERE DAMAGED OFF SAM BROWNING
            ROAD.

0621 AM     FLASH FLOOD      SALEM                   38.60N  86.10W
10/09/2009                   WASHINGTON         IN   LAW ENFORCEMENT

            NUMEROUS ROADS NEAR BLUE RIVER ARE CLOSED DUE TO HIGH
            WATER.

0627 AM     FLASH FLOOD      SCOTTSBURG              38.69N  85.78W
10/09/2009                   SCOTT              IN   LAW ENFORCEMENT

            BOATMAN AND FLAB ROADS ARE CLOSED DUE TO HIGH WATER.
            PARTS OF INDIANA 31 ARE FLOODED SOUTH OF INDIANA 356.
            PARTS OF INDIANA 56 ARE FLOODED NEAR MCNEELY ROAD.

0655 AM     FLASH FLOOD      SELLERSBURG             38.39N  85.76W
10/09/2009                   CLARK              IN   COUNTY OFFICIAL

            SECTIONS OF US 31 ARE CLOSED BETWEEN SPEED AND
            HENRYVILLE. PARTS OF INDIANA 160 ARE CLOSED NEAR
            CHARLESTOWN. NUMEROUS OTHER ROADS CLOSED THROUGHOUT THE
            COUNTY.

0804 AM     FLASH FLOOD      JASPER                  38.39N  86.94W
10/09/2009                   DUBOIS             IN   LAW ENFORCEMENT

            NUMEROUS ROADS ACROSS COUNTY WERE FLOODED.
            HOWEVER...SOME IMPROVEMENT HAS BEEN SEEN ON THE HIGHWAYS
            THAT DO NOT CROSS MAJOR STREAMS.

0812 AM     FLASH FLOOD      NEW ALBANY              38.30N  85.83W
10/09/2009                   FLOYD              IN   LAW ENFORCEMENT

            NUMEROUS SMALLER ROADS ARE FLOODED THROUGHOUT COUNTY
            BUT ALL HIGHWAYS ARE PASSABLE.

0817 AM     FLASH FLOOD      3 E ORLEANS             38.66N  86.40W
10/09/2009                   ORANGE             IN   COUNTY OFFICIAL

            INDIANA 337 IS FLOODED NEAR LOST RIVER.

&&

EVENT NUMBER LMK900163 LMK900164 LMK900165 LMK900166 LMK900167
LMK900168 LMK900169 LMK900183 LMK900170 LMK900182 LMK900172 LMK900181
LMK900171 LMK900179 LMK900180 LMK900173 LMK900174 LMK900175 LMK900176
LMK900177 LMK900178

MRC

Local storm report, Oct 9, 11:24 AM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1224 PM EDT FRI OCT 09 2009

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

0405 AM     TSTM WND DMG     ELIZABETHTOWN           37.70N  85.87W
10/09/2009                   HARDIN             KY   NEWSPAPER

            AN 80 BY 30 FOOT SECTION OF ROOF BLOWN OFF OF A
            WAREHOUSE ON VALLEY CREEK ROAD.

&&

EVENT NUMBER LMK0900184

JSD

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 8, 8:05 PM CDT	Areal Flood Advisory	LMK	Spencer	87 min
Oct 8, 11:55 PM CDT	Areal Flood Advisory	LMK	Henry, Oldham, Trimble	45 min
Oct 9, 12:38 AM CDT	Flash Flood Warning	LMK	Henry, Oldham, Trimble	8 hr
Oct 9, 1:48 AM CDT	Severe Thunderstorm Warning	LMK	Ohio	27 min
Oct 9, 1:54 AM CDT	Areal Flood Advisory	LMK	Breckinridge, Hancock, Meade	3 hr
Oct 9, 2:08 AM CDT	Tornado Warning	LMK	Breckinridge, Ohio	37 min
Oct 9, 2:21 AM CDT	Severe Thunderstorm Warning	LMK	Butler, Grayson, Ohio	24 min
Oct 9, 2:42 AM CDT	Tornado Warning	LMK	Hardin	33 min
Oct 9, 2:52 AM CDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin	38 min
Oct 9, 3:08 AM CDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Logan, Warren	37 min
Oct 9, 3:22 AM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Nelson, Washington	23 min
Oct 9, 3:30 AM CDT	Severe Thunderstorm Warning	LMK	Edmonson, Grayson, Hardin, Hart, Larue, Nelson	45 min
Oct 9, 3:34 AM CDT	Tornado Warning	LMK	Larue	26 min
Oct 9, 3:54 AM CDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Mercer, Washington, Woodford	26 min
Oct 9, 4:10 AM CDT	Severe Thunderstorm Warning	LMK	Marion, Washington	18 min
Oct 9, 8:58 AM CDT	Areal Flood Warning	LMK	Trimble	5 hr
Oct 9, 12:42 PM CDT	Severe Thunderstorm Warning	LMK	Barren, Green, Metcalfe	33 min
Oct 9, 12:53 PM CDT	Severe Thunderstorm Warning	LMK	Casey, Green, Marion, Taylor	22 min
Oct 9, 1:10 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Monroe	35 min
Oct 9, 1:17 PM CDT	Severe Thunderstorm Warning	LMK	Adair	28 min
Oct 9, 1:21 PM CDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Lincoln, Marion	24 min
Oct 9, 1:34 PM CDT	Severe Thunderstorm Warning	LMK	Casey	26 min
Oct 9, 1:36 PM CDT	Severe Thunderstorm Warning	LMK	Cumberland, Metcalfe, Monroe	24 min
Oct 9, 1:41 PM CDT	Tornado Warning	LMK	Casey, Lincoln	34 min
Oct 9, 1:46 PM CDT	Severe Thunderstorm Warning	LMK	Boyle, Garrard, Jessamine, Lincoln, Madison	29 min
Oct 9, 1:53 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Cumberland, Russell	22 min
Oct 9, 1:56 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln	19 min
Oct 9, 2:01 PM CDT	Tornado Warning	LMK	Madison	4 min
Oct 9, 2:20 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	25 min
Oct 9, 2:20 PM CDT	Tornado Warning	LMK	Russell	25 min
Oct 9, 3:06 PM CDT	Severe Thunderstorm Warning	LMK	Clinton	24 min
Oct 8, 10:30 PM CDT	Areal Flood Advisory	LMK	Crawford, Perry	46 min
Oct 8, 11:13 PM CDT	Flash Flood Warning	LMK	Crawford, Dubois, Harrison, Orange, Perry, Washington	10 hr
Oct 8, 11:42 PM CDT	Areal Flood Advisory	LMK	Clark, Floyd, Scott	57 min
Oct 9, 3:10 AM CDT	River Flood Warning	LMK	Jefferson, Scott	19 hr
Oct 9, 3:10 AM CDT	River Flood Warning	LMK	Harrison, Washington	24 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2009 Every 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; radar from the NEXRAD Level II archive.