Alert archive / Kentucky / Special Weather Statements in 2010

Special Weather Statement, NWS Louisville, KY

April 24, 2010Bullitt County, Kentucky

NWS Louisville, KY issued this special weather statement at Apr 24, 2010, 2:21 PM EDT for Bullitt 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 outline as issued.

The facts

Issued: Apr 24, 2010, 2:21 PM EDT (18:21 UTC)
Expired: Apr 24, 2010, 2:45 PM EDT
In force: 24 min
Issued by: NWS Louisville, KY

County Bullitt County, KY

The radar

The Louisville radar (KLVX), 34 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 229 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: 23 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 1184 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 24, 12:57 PM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, Apr 24, 12:57 PM EDT, 1 hour 24 minutes before

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Hazardous weather outlook, Apr 24, 3:50 AM EDT, 10 hours 31 minutes before

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In the hours before

Special weather statement, Apr 24, 12:09 PM EDT, 2 hours 12 minutes before

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Special weather statement, Apr 24, 1:36 PM EDT, 45 minutes before

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Special weather statement, Apr 24, 1:57 PM EDT, 24 minutes before

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Special weather statement, Apr 24, 2:21 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
221 PM EDT SAT APR 24 2010

KYZ029-030-241845-
BULLITT-JEFFERSON-
221 PM EDT SAT APR 24 2010

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

AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES SOUTHEAST OF SHEPHERDSVILLE...AND MOVING
NORTH AT 25 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 BE NEAR...
   HIGHVIEW...

THIS STORM WILL AFFECT INTERSTATE 65 IN KENTUCKY BETWEEN MILE MARKERS
112 AND 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS...AND AVOID USING THE
TELEPHONE UNLESS IT IS AN EMERGENCY.

&&

LAT...LON 3811 8545 3808 8548 3801 8552 3800 8551
      3787 8561 3787 8562 3791 8573 3816 8563
TIME...MOT...LOC 1821Z 200DEG 23KT 3795 8563

SCHOETTMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 2:35 PM EDT	Special Weather Statement	LMK	Monroe	40 min
Apr 24, 4:37 PM EDT	Special Weather Statement	LMK	Breckinridge, Hancock, Ohio	23 min
Apr 24, 4:46 PM EDT	Special Weather Statement	LMK	Breckinridge, Hancock, Ohio	14 min
Apr 24, 5:31 PM EDT	Severe Thunderstorm Warning	LMK	Logan	32 min
Apr 24, 5:36 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	39 min
Apr 24, 5:38 PM EDT	Tornado Warning	LMK	Logan	37 min
Apr 24, 5:43 PM EDT	Severe Thunderstorm Warning	LMK	Butler	21 min
Apr 24, 5:59 PM EDT	Tornado Warning	LMK	Butler	16 min
Apr 24, 6:13 PM EDT	Special Weather Statement	LMK	Breckinridge, Grayson, Hardin, Meade	62 min
Apr 24, 6:15 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Logan, Simpson, Warren	45 min
Apr 24, 6:49 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Edmonson, Hart, Warren	41 min
Apr 24, 6:51 PM EDT	Severe Thunderstorm Warning	LMK	Grayson	24 min
Apr 24, 7:06 PM EDT	Areal Flood Advisory	LMK	Allen, Butler, Logan, Simpson, Warren	114 min
Apr 24, 7:11 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hardin, Hart, Larue, Taylor	34 min
Apr 24, 7:35 PM EDT	Severe Thunderstorm Warning	LMK	Larue, Marion, Nelson, Taylor, Washington	25 min
Apr 24, 7:45 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson, Shelby, Spencer	30 min
Apr 24, 7:46 PM EDT	Areal Flood Advisory	LMK	Breckinridge, Grayson, Meade, Ohio	119 min
Apr 24, 7:56 PM EDT	Areal Flood Advisory	LMK	Anderson, Bullitt, Grayson, Green, Hardin, Hart and 10 more	3 hr
Apr 24, 7:59 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Garrard, Jessamine, Lincoln, Marion and 3 more	31 min

Nearby

Special Weather Statements in Kentucky, 2010 Every special weather statement in 2010

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.