Alert archive / Kentucky / Tornado Warnings in 2011
Tornado Warning 37, NWS Louisville, KY
NWS Louisville, KY issued this tornado warning at Apr 20, 2011, 1:43 AM EDT for 4 counties in Kentucky. It was in force for 17 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 20, 2011, 1:43 AM EDT (05:43 UTC)
- Expired
- Apr 20, 2011, 2:00 AM EDT
- In force
- 17 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
Counties Bourbon County, KY, Fayette County, KY, Harrison County, KY, Scott County, KY
The radar
The Jackson,KY radar (KJKL), 122 km from the middle of the area, began a volume at 05:48 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 20, 1:48 AM EDT | TSTM WND DMG | Georgetown, KY | TREES DOWN ON PARIS PIKE AND ON NEWTOWN PIKE NEAR COUNTY FIRE NUMBER 4. |
| Apr 20, 1:54 AM EDT | TORNADO | 1 Nw Bryantsburg, KY | EF-1 TORNADO WITH WIND SPEEDS ESTIMATED AT 90-95 MPH. PATH LENGTH 0.5 MILES AND WIDTH 50 YARDS. TIED-DOWN TRAILER OVERTURNED. SEVERAL OUTBUILDINGS DESTROYED OR DAMAGED. GARAGE WALL OF A WELL BUILD HOME BUCKLED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 19, 10:13 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.7 hours before the alert went out and 139 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
- 1686 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 474 m²/s²
- Significant tornado parameter
- 4.3
- Supercell composite
- 18.7
The text
As transmitted, in the capitals the NWS used until 2016.
173 WFUS53 KLMK 200543 TORLMK KYC017-067-097-209-200600- /O.NEW.KLMK.TO.W.0037.110420T0543Z-110420T0600Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LOUISVILLE KY 143 AM EDT WED APR 20 2011 THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A * TORNADO WARNING FOR... WESTERN BOURBON COUNTY IN EAST CENTRAL KENTUCKY... NORTHEASTERN FAYETTE COUNTY IN EAST CENTRAL KENTUCKY... SOUTHERN HARRISON COUNTY IN EAST CENTRAL KENTUCKY... SOUTHERN SCOTT COUNTY IN EAST CENTRAL KENTUCKY... THIS INCLUDES THE CITY OF GEORGETOWN... * UNTIL 200 AM EDT... * AT 141 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR STONE HEDGE ESTATES...MOVING EAST AT 40 MPH. * THIS TORNADIC STORM WILL ALSO IMPACT... GEORGETOWN... GEORGETOWN SCOTT COUNTY AIRPORT AND NEWTOWN... CENTERVILLE AND LEESBURG... JACKSONVILLE AND EWALT CROSSROADS... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING TO THE NATIONAL WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2... WHEN YOU CAN DO SO SAFELY. && LAT...LON 3837 8422 3817 8427 3813 8463 3831 8467 TIME...MOT...LOC 0544Z 260DEG 35KT 3824 8453 $$ DK
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 10:26 PM EDT | Special Weather Statement | LMK | Hancock | 49 min |
| Apr 19, 10:51 PM EDT | Severe Thunderstorm Warning | LMK | Hancock | 24 min |
| Apr 19, 10:59 PM EDT | Tornado Warning | LMK | Hancock | 46 min |
| Apr 19, 11:11 PM EDT | Severe Thunderstorm Warning | LMK | Hancock, Ohio | 34 min |
| Apr 19, 11:29 PM EDT | Severe Thunderstorm Warning | LMK | Breckinridge, Grayson, Hancock, Meade | 46 min |
| Apr 19, 11:34 PM EDT | Tornado Warning | LMK | Meade | 41 min |
| Apr 19, 11:45 PM EDT | Severe Thunderstorm Warning | LMK | Hancock, Ohio | 30 min |
| Apr 19, 11:54 PM EDT | Tornado Warning | LMK | Breckinridge, Meade | 36 min |
| Apr 20, 12:04 AM EDT | Tornado Warning | LMK | Bullitt, Hardin, Jefferson | 56 min |
| Apr 20, 12:13 AM EDT | Severe Thunderstorm Warning | LMK | Breckinridge, Grayson, Hancock, Hardin, Meade, Ohio | 47 min |
| Apr 20, 12:17 AM EDT | Tornado Warning | LMK | Trimble | 43 min |
| Apr 20, 12:25 AM EDT | Tornado Warning | LMK | Henry, Oldham, Trimble | 50 min |
| Apr 20, 12:38 AM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Grayson, Hardin, Hart, Larue, Nelson | 37 min |
| Apr 20, 12:44 AM EDT | Severe Thunderstorm Warning | LMK | Anderson, Henry, Nelson, Shelby, Spencer | 46 min |
| Apr 20, 12:49 AM EDT | Tornado Warning | LMK | Shelby, Spencer | 26 min |
| Apr 20, 1:09 AM EDT | Severe Thunderstorm Warning | LMK | Marion, Nelson, Washington | 36 min |
| Apr 20, 1:10 AM EDT | Severe Thunderstorm Warning | LMK | Barren, Butler, Edmonson, Grayson, Hart, Metcalfe and 1 more | 35 min |
| Apr 20, 1:17 AM EDT | Areal Flood Advisory | LMK | Breckinridge, Grayson, Hancock, Ohio | 3 hr |
| Apr 20, 1:18 AM EDT | Severe Thunderstorm Warning | LMK | Green, Larue, Marion, Taylor | 42 min |
| Apr 20, 1:19 AM EDT | Severe Thunderstorm Warning | LMK | Anderson, Bourbon, Clark, Fayette, Franklin, Harrison and 6 more | 41 min |
| Apr 20, 1:26 AM EDT | Severe Thunderstorm Warning | LMK | Boyle, Casey, Garrard, Jessamine, Lincoln, Madison and 2 more | 34 min |
| Apr 20, 1:43 AM EDT | Severe Thunderstorm Warning | LMK | Butler, Logan, Simpson | 47 min |
| Apr 20, 1:50 AM EDT | Severe Thunderstorm Warning | LMK | Allen, Barren, Butler, Edmonson, Hart, Metcalfe and 2 more | 40 min |
| Apr 20, 1:58 AM EDT | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 1 more | 32 min |
| Apr 20, 2:02 AM EDT | Severe Thunderstorm Warning | LMK | Boyle, Clark, Garrard, Jessamine, Lincoln, Madison | 43 min |
| Apr 20, 2:02 AM EDT | Tornado Warning | LMK | Logan, Simpson | 28 min |
| Apr 20, 2:07 AM EDT | Flash Flood Warning | LMK | Butler, Edmonson, Grayson, Ohio | 3 hr |
| Apr 20, 2:07 AM EDT | Severe Thunderstorm Warning | LMK | Adair, Casey, Green, Lincoln, Russell, Taylor | 38 min |
| Apr 20, 2:25 AM EDT | Tornado Warning | LMK | Allen, Simpson | 35 min |
| Apr 20, 2:29 AM EDT | Severe Thunderstorm Warning | LMK | Allen, Barren, Butler, Edmonson, Hart, Logan and 3 more | 46 min |
| Apr 20, 2:49 AM EDT | Areal Flood Advisory | LMK | Barren, Boyle, Casey, Edmonson, Grayson, Green and 8 more | 3 hr |
| Apr 20, 2:49 AM EDT | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Garrard, Green, Lincoln and 4 more | 41 min |
| Apr 20, 2:52 AM EDT | Tornado Warning | LMK | Allen, Barren, Monroe | 23 min |
| Apr 20, 3:13 AM EDT | Severe Thunderstorm Warning | LMK | Allen, Barren, Cumberland, Metcalfe, Monroe | 32 min |
| Apr 20, 3:16 AM EDT | Severe Thunderstorm Warning | LMK | Adair, Barren, Casey, Clinton, Cumberland, Metcalfe and 2 more | 29 min |
| Apr 20, 3:34 AM EDT | Special Weather Statement | LMK | Clinton, Cumberland | 26 min |
| Apr 20, 3:47 AM EDT | Severe Thunderstorm Warning | LMK | Adair, Casey, Clinton, Cumberland, Russell | 28 min |
| Apr 20, 7:45 AM EDT | River Flood Advisory | LMK | Ohio | 24 hr |
| Apr 20, 10:24 AM EDT | River Flood Warning | LMK | Jefferson, Oldham | 15 days |
| Apr 20, 10:24 AM EDT | River Flood Warning | LMK | Jefferson, Meade | 49 hr |
| Apr 20, 10:24 AM EDT | River Flood Warning | LMK | Breckinridge, Hancock | 17 days |
Nearby
Tornado Warnings in Kentucky, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.