Alert archive / Kentucky / Tornado Warnings in 2011
Tornado Warning 41, NWS Wilmington, OH
NWS Wilmington, OH issued this tornado warning at May 23, 2011, 6:57 PM EDT for Boone County, Kenton County, Kentucky; Ohio County, Switzerland County, Indiana. It was in force for 33 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
- May 23, 2011, 6:57 PM EDT (22:57 UTC)
- Expired
- May 23, 2011, 7:30 PM EDT
- In force
- 33 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
Counties Ohio County, IN, Switzerland County, IN, Boone County, KY, Kenton County, KY
The radar
The Cincinnati radar (KILN), 94 km from the middle of the area, began a volume at 22:59 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 |
|---|---|---|---|
| May 23, 7:20 PM EDT | TSTM WND DMG | Burlington, KY | TREES DOWN. |
| May 23, 7:20 PM EDT | NON-TSTM WND DMG | Burlington, KY | TREES DOWN. |
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 |
|---|---|---|---|
| May 23, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.0 hours before the alert went out and 96 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
- 170 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 776 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
167 WFUS51 KILN 232257 RRA TORILN INC115-155-KYC015-117-232330- /O.NEW.KILN.TO.W.0041.110523T2257Z-110523T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 657 PM EDT MON MAY 23 2011 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * TORNADO WARNING FOR... BOONE COUNTY IN NORTHERN KENTUCKY... KENTON COUNTY IN NORTHERN KENTUCKY... OHIO COUNTY IN SOUTHEAST INDIANA... SWITZERLAND COUNTY IN SOUTHEAST INDIANA... * UNTIL 730 PM EDT. * AT 655 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR NORTH LANDING......MOVING EAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... BURLINGTON... UNION... OAKBROOK... WALTON... FLORENCE... ELSMERE... IN ADDITION...RABBIT HASH...BELLEVIEW...WATERLOO...BIG BONE... BEAVERLICK...HUEYS CORNERS...RICHWOOD AND BANK LICK ARE NEAR THE PATH OF THIS DANGEROUS THUNDERSTORM. THIS INCLUDES THE FOLLOWING INTERSTATE... I-75 BETWEEN MILE MARKERS 173 AND 184 IN KENTUCKY... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TUESDAY MORNING FOR SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY AND SOUTHWESTERN OHIO. && LAT...LON 3906 8461 3886 8457 3886 8494 3895 8495 TIME...MOT...LOC 2257Z 254DEG 44KT 3892 8486 $$
2 follow-up statements
741 WWUS51 KILN 232307 RRA SVSILN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 707 PM EDT MON MAY 23 2011 INC115-155-KYC015-117-232330- /O.CON.KILN.TO.W.0041.000000T0000Z-110523T2330Z/ SWITZERLAND IN-OHIO IN-KENTON KY-BOONE KY- 707 PM EDT MON MAY 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR BOONE... KENTON...OHIO AND EXTREME EASTERN SWITZERLAND COUNTIES... AT 703 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR BIG BONE...MOVING EAST AT 50 MPH. LOCATIONS IMPACTED INCLUDE... UNION...OAKBROOK...WALTON...FLORENCE AND ELSMERE. IN ADDITION...RICHWOOD IS NEAR THE PATH OF THIS STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. PROTECT YOURSELF FROM FLYING DEBRIS. PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. && LAT...LON 3886 8457 3886 8488 3898 8486 3906 8461 TIME...MOT...LOC 2307Z 254DEG 44KT 3893 8469 $$
730 WWUS51 KILN 232320 SVSILN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 720 PM EDT MON MAY 23 2011 INC115-155-KYC015-117-232330- /O.EXP.KILN.TO.W.0041.000000T0000Z-110523T2330Z/ SWITZERLAND IN-OHIO IN-KENTON KY-BOONE KY- 720 PM EDT MON MAY 23 2011 ...THE TORNADO WARNING FOR BOONE...KENTON...OHIO AND EXTREME EASTERN SWITZERLAND COUNTIES WILL EXPIRE AT 730 PM EDT... THE STORM NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO. HOWEVER...GUSTY WINDS ARE STILL POSSIBLE WITH THIS STORM. PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772. LAT...LON 3886 8457 3886 8488 3898 8486 3906 8461 TIME...MOT...LOC 2320Z 254DEG 44KT 3897 8449 $$ HATZOS
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 2:37 AM EDT | Special Weather Statement | ILN | Boone, Gallatin | 53 min |
| May 23, 5:12 AM EDT | Severe Thunderstorm Warning | ILN | Carroll, Gallatin, Grant, Owen, Pendleton | 63 min |
| May 23, 6:12 AM EDT | Special Weather Statement | ILN | Bracken, Lewis, Mason, Robertson | 63 min |
| May 23, 6:29 PM EDT | Severe Thunderstorm Warning | ILN | Boone, Carroll, Gallatin, Grant, Owen | 61 min |
| May 23, 7:11 PM EDT | Severe Thunderstorm Warning | ILN | Boone, Bracken, Campbell, Grant, Kenton, Owen and 1 more | 49 min |
| May 23, 7:11 PM EDT | Tornado Warning | ILN | Gallatin, Grant, Kenton, Pendleton | 34 min |
| May 23, 7:35 PM EDT | Severe Thunderstorm Warning | ILN | Bracken, Mason, Robertson | 40 min |
| May 23, 6:14 PM EDT | Severe Thunderstorm Warning | ILN | Dearborn, Franklin, Ohio, Ripley, Switzerland | 61 min |
| May 23, 6:23 PM EDT | Tornado Warning | ILN | Ripley | 37 min |
| May 23, 6:30 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Union, Wayne | 60 min |
| May 23, 6:34 PM EDT | Areal Flood Advisory | ILN | Ripley | 86 min |
| May 23, 6:42 PM EDT | Tornado Warning | ILN | Dearborn, Franklin | 33 min |
Nearby
Tornado Warnings in Kentucky, 2011Tornado Warnings in Indiana, 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.