Alert archive / Ohio / Tornado Warnings in 2011
Tornado Warning 40, NWS Wilmington, OH
NWS Wilmington, OH issued this tornado warning at May 23, 2011, 6:57 PM EDT for Butler County, Hamilton County, Ohio. It was in force for 30 min. 5 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, 7:27 PM EDT
- In force
- 30 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
Counties Butler County, OH, Hamilton County, OH
The radar
The Cincinnati radar (KILN), 73 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, 7:12 PM EDT | TSTM WND GST 70 | 3 N Cheviot, OH | |
| May 23, 7:15 PM EDT | TSTM WND DMG | Finneytown, OH | TREES DOWNED |
| May 23, 7:16 PM EDT | TSTM WND DMG | Wyoming, OH | TREES DOWNED ACROSS SPRINGFIELD PIKE. |
| May 23, 7:20 PM EDT | TSTM WND GST 0 | Hamilton, OH | |
| May 23, 7:20 PM EDT | TSTM WND GST 58 | 3 Se Hamilton, OH | BUTLER COUNTY REGIONAL AIRPORT. |
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 75 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.
913 WFUS51 KILN 232257 TORILN OHC017-061-232345- /O.NEW.KILN.TO.W.0040.110523T2257Z-110523T2345Z/ 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... SOUTHERN BUTLER COUNTY IN SOUTHWEST OHIO... NORTHWESTERN HAMILTON COUNTY IN SOUTHWEST OHIO... * UNTIL 745 PM EDT. * AT 655 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES SOUTHWEST OF HARRISON......MOVING EAST AT 45 MPH. ANOTHER STORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED TWO MILES SOUTH OF NEW TRENTON. IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. * LOCATIONS IMPACTED INCLUDE... HARRISON... CLEVES... ROSS... NORTH COLLEGE HILL... HAMILTON... MOUNT HEALTHY... FAIRFIELD... FOREST PARK... FINNEYTOWN... WYOMING... SPRINGDALE... TRENTON... IN ADDITION...SCIPIO...ALERT...OKEANA...ST. CHARLES...GRANDVIEW... LAYHIGH...MACK NORTH AND DENT ARE NEAR THE PATH OF THIS DANGEROUS THUNDERSTORM. THIS INCLUDES THE FOLLOWING INTERSTATES... I-74 BETWEEN MILE MARKERS 1 AND 15... I-75 BETWEEN MILE MARKERS 9 AND 16... 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 3942 8482 3949 8443 3919 8445 3914 8482 TIME...MOT...LOC 2256Z 266DEG 32KT 3920 8487 $$ HATZOS
2 follow-up statements
296 WWUS51 KILN 232303 SVSILN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 703 PM EDT MON MAY 23 2011 OHC017-061-232345- /O.CON.KILN.TO.W.0040.000000T0000Z-110523T2345Z/ BUTLER OH-HAMILTON OH- 703 PM EDT MON MAY 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR NORTHWESTERN HAMILTON AND SOUTHERN BUTLER COUNTIES... AT 659 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR CLEVES...MOVING EAST AT 50 MPH. ANOTHER THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED THREE MILES NORTH OF HARRISON. IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. LOCATIONS IMPACTED INCLUDE... ROSS...NORTH COLLEGE HILL...MOUNT HEALTHY...HAMILTON...FAIRFIELD... FINNEYTOWN...FOREST PARK...WYOMING...SPRINGDALE AND TRENTON. IN ADDITION...MACK NORTH...LAYHIGH...DENT...MILLVILLE...WHITE OAK WEST...MONFORT HEIGHTS SOUTH...WHITE OAK AND WHITE OAK EAST ARE NEAR THE PATH OF THIS STORM. THIS INCLUDES THE FOLLOWING INTERSTATES... I-74 BETWEEN MILE MARKERS 1 AND 15... I-75 BETWEEN MILE MARKERS 9 AND 16... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. PROTECT YOURSELF FROM FLYING DEBRIS. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. && LAT...LON 3942 8482 3949 8443 3919 8445 3914 8482 TIME...MOT...LOC 2303Z 261DEG 51KT 3919 8471 $$ HATZOS
127 WWUS51 KILN 232327 SVSILN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 727 PM EDT MON MAY 23 2011 OHC017-061-232337- /O.CAN.KILN.TO.W.0040.000000T0000Z-110523T2345Z/ BUTLER OH-HAMILTON OH- 727 PM EDT MON MAY 23 2011 ...THE TORNADO WARNING FOR NORTHWESTERN HAMILTON AND SOUTHERN BUTLER COUNTIES HAS BEEN CANCELLED... ANOTHER TORNADO WARNING HAS BEEN ISSUED FOR NORTHEASTERN HAMILTON AND SOUTHEASTERN BUTLER COUNTIES. PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772. LAT...LON 3942 8482 3949 8443 3919 8445 3914 8482 TIME...MOT...LOC 2327Z 261DEG 51KT 3924 8428 $$ HATZOS
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 8:10 PM EDT | Areal Flood Warning | ILN | Adams, Highland, Pike, Scioto | 4 hr |
| May 23, 2:37 AM EDT | Special Weather Statement | ILN | Butler, Darke, Hamilton, Miami, Montgomery, Preble | 53 min |
| May 23, 3:41 AM EDT | Special Weather Statement | ILN | Butler, Champaign, Clark, Clermont, Clinton, Greene and 8 more | 64 min |
| May 23, 4:48 AM EDT | Special Weather Statement | ILN | Butler, Clark, Clinton, Delaware, Fayette, Franklin and 8 more | 57 min |
| May 23, 5:51 AM EDT | Special Weather Statement | ILN | Clinton, Delaware, Fayette, Franklin, Greene, Madison and 2 more | 54 min |
| May 23, 6:12 AM EDT | Special Weather Statement | ILN | Adams, Brown, Clermont, Highland | 63 min |
| May 23, 6:24 AM EDT | Areal Flood Warning | ILN | Clinton, Fayette, Greene, Madison, Pickaway, Ross and 1 more | 3 hr |
| May 23, 6:47 AM EDT | Flash Flood Warning | ILN | Clinton, Fayette, Franklin, Greene, Madison, Pickaway | 3 hr |
| May 23, 9:40 AM EDT | Areal Flood Warning | ILN | Pickaway | 3 hr |
| May 23, 6:22 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Mercer | 53 min |
| May 23, 6:30 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Darke, Preble | 60 min |
| May 23, 6:52 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Clermont, Hamilton, Warren | 53 min |
| May 23, 7:08 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Darke, Hardin, Logan, Mercer and 1 more | 67 min |
| May 23, 7:11 PM EDT | Severe Thunderstorm Warning | ILN | Clermont, Hamilton | 49 min |
| May 23, 7:16 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Champaign, Clark, Darke, Greene, Miami and 4 more | 59 min |
| May 23, 7:16 PM EDT | Tornado Warning | ILN | Butler, Clermont, Hamilton, Warren | 32 min |
| May 23, 7:35 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Clermont, Clinton, Fayette, Highland and 1 more | 40 min |
| May 23, 7:36 PM EDT | Tornado Warning | ILN | Darke, Miami | 39 min |
| May 23, 7:40 PM EDT | Tornado Warning | ILN | Miami, Shelby | 35 min |
| May 23, 7:56 PM EDT | Tornado Warning | ILN | Champaign, Clark, Greene | 34 min |
Nearby
Tornado Warnings in Ohio, 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.