Alert archive / Kentucky / Special Weather Statements in 2012
Special Weather Statement, NWS Louisville, KY
NWS Louisville, KY issued this special weather statement at Apr 30, 2012, 8:16 PM EDT for Henry County, Kentucky. It was in force for 14 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 30, 2012, 8:16 PM EDT (00:16 UTC)
- Expired
- Apr 30, 2012, 8:30 PM EDT
- In force
- 14 min
- Issued by
- NWS Louisville, KY
County Henry County, KY
The radar
The Louisville radar (KLVX), 91 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 156 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.
- Mixed-layer CAPE
- 98 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1642 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 30, 7:13 PM EDT, 1 hour 3 minutes earlier.
Area forecast discussion, Apr 30, 7:13 PM EDT, 1 hour 3 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOUISVILLE KY 603 PM EDT MON APR 30 2012 INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067- 070>078-081-082-012215- 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- 603 PM EDT MON APR 30 2012 /503 PM CDT MON APR 30 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY. .DAY ONE...TONIGHT. A COLD FRONT APPROACHING THE AREA WILL COMBINE WITH INCREASING MOISTURE INCREASING AND RELATIVELY WARM TEMPERATURES TO PRODUCE STRONG TO SEVERE THUNDERSTORMS INTO THE EVENING. THE STRONGEST STORMS WILL PRODUCE DAMAGING WINDS...HAIL...HEAVY RAINFALL...AND FREQUENT TO EXCESSIVE CLOUD TO GROUND LIGHTNING. A SEVERE THUNDERSTORM WATCH IS THUS IN EFFECT FOR MOST OF THE REGION. ADDITIONAL SHOWERS AND STORMS ARE EXPECTED TO RE-DEVELOP LATE IN THE EVENING AND OVERNIGHT...BUT THESE STORMS ARE NOT EXPECTED TO BE SEVERE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NUMEROUS STORMS WILL CONTINUE TO FORM IN A MOIST AIRMASS DURING THE DAY TUESDAY. THE MAIN THREATS HERE WILL BE HEAVY RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING. SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON AS A SERIES OF IMPULSES MOVE ALONG A POSSIBLE FRONTAL BOUNDARY ACROSS SOUTHERN INDIANA. GUSTY WINDS...CLOUD TO GROUND LIGHTNING AND BRIEF HEAVY RAIN WILL ACCOMPANY ANY STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD REPORT ANY STRONGER WIND GUSTS AS WELL AS HAIL TO THE NATIONAL WEATHER SERVICE THIS AFTERNOON AND TONIGHT.
In the hours before
Special weather statement, Apr 30, 7:30 PM EDT, 46 minutes before
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</html>Special weather statement, Apr 30, 8:16 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 8:07 PM EDT | Special Weather Statement | LMK | Casey, Taylor | 23 min |
| Apr 30, 8:14 PM EDT | Special Weather Statement | LMK | Franklin, Henry, Shelby | 31 min |
| Apr 30, 8:27 PM EDT | Tornado Warning | LMK | Franklin | 33 min |
| Apr 30, 8:40 PM EDT | Tornado Warning | LMK | Scott | 35 min |
| Apr 30, 9:14 PM EDT | Special Weather Statement | LMK | Green, Taylor | 31 min |
| May 1, 5:44 AM EDT | Special Weather Statement | LMK | Simpson | 31 min |
| May 1, 6:07 AM EDT | Special Weather Statement | LMK | Allen | 38 min |
| May 1, 7:48 AM EDT | Special Weather Statement | LMK | Warren | 27 min |
| May 1, 1:34 PM EDT | Special Weather Statement | LMK | Simpson | 26 min |
| May 1, 1:38 PM EDT | Special Weather Statement | LMK | Allen | 37 min |
| May 1, 2:13 PM EDT | Special Weather Statement | LMK | Ohio | 32 min |
| May 1, 2:19 PM EDT | Severe Thunderstorm Warning | LMK | Hancock, Ohio | 26 min |
| May 1, 2:20 PM EDT | Special Weather Statement | LMK | Monroe | 25 min |
| May 1, 2:41 PM EDT | Special Weather Statement | LMK | Barren | 34 min |
| May 1, 2:42 PM EDT | Special Weather Statement | LMK | Breckinridge | 33 min |
| May 1, 2:59 PM EDT | Special Weather Statement | LMK | Green, Larue | 31 min |
| May 1, 3:21 PM EDT | Special Weather Statement | LMK | Breckinridge | 24 min |
| May 1, 3:23 PM EDT | Special Weather Statement | LMK | Marion | 37 min |
| May 1, 3:26 PM EDT | Severe Thunderstorm Warning | LMK | Breckinridge, Hardin, Meade | 34 min |
| May 1, 3:40 PM EDT | Severe Thunderstorm Warning | LMK | Marion, Washington | 35 min |
| May 1, 3:56 PM EDT | Special Weather Statement | LMK | Bullitt | 34 min |
| May 1, 4:11 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Hardin, Nelson | 34 min |
| May 1, 4:19 PM EDT | Special Weather Statement | LMK | Anderson | 26 min |
| May 1, 4:34 PM EDT | Severe Thunderstorm Warning | LMK | Trimble | 26 min |
| May 1, 4:34 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 26 min |
| May 1, 4:44 PM EDT | Tornado Warning | LMK | Trimble | 31 min |
| May 1, 5:00 PM EDT | Special Weather Statement | LMK | Nelson, Spencer | 30 min |
| May 1, 5:26 PM EDT | Special Weather Statement | LMK | Harrison | 34 min |
| May 1, 3:40 PM EDT | Special Weather Statement | LMK | Harrison | 35 min |
| May 1, 4:01 PM EDT | Special Weather Statement | LMK | Clark | 29 min |
| May 1, 4:05 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Jefferson, Scott | 25 min |
| May 1, 4:13 PM EDT | Special Weather Statement | LMK | Clark, Floyd | 17 min |
| May 1, 4:32 PM EDT | Special Weather Statement | LMK | Scott | 28 min |
| May 1, 5:16 PM EDT | Special Weather Statement | LMK | Jefferson | 29 min |
| May 1, 5:24 PM EDT | Tornado Warning | LMK | Washington | 21 min |
| May 1, 5:56 PM EDT | Severe Thunderstorm Warning | LMK | Scott, Washington | 34 min |
| May 1, 6:13 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 47 min |
| May 1, 6:40 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 35 min |
Nearby
Special Weather Statements in Kentucky, 2012Every special weather statement in 2012
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.