Alert archive / Ohio / Tornado Warnings in 2011
Tornado Warning 9, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at May 23, 2011, 7:17 PM EDT for Allen County, Putnam County, Ohio. It was in force for 43 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
- May 23, 2011, 7:17 PM EDT (23:17 UTC)
- Expired
- May 23, 2011, 8:00 PM EDT
- In force
- 43 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
Counties Allen County, OH, Putnam County, OH
The radar
The Northern Indiana radar (KIWX), 142 km from the middle of the area, began a volume at 23:17 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 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, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.3 hours before the alert went out and 165 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.
852 WFUS53 KIWX 232317 TORIWX OHC003-137-240000- /O.NEW.KIWX.TO.W.0009.110523T2317Z-110524T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 717 PM EDT MON MAY 23 2011 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... NORTHERN ALLEN COUNTY IN WEST CENTRAL OHIO... SOUTHERN PUTNAM COUNTY IN WEST CENTRAL OHIO... * UNTIL 800 PM EDT * AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES NORTHEAST OF DELPHOS...AND MOVING EAST AT 45 MPH. * LOCATIONS IN THE PATH OF THIS SEVERE STORM INCLUDE... COLUMBUS GROVE... PANDORA... BLUFFTON... OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE ROCKPORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4085 8430 4092 8430 4099 8387 4084 8387 TIME...MOT...LOC 2318Z 268DEG 39KT 4088 8418 $$
3 follow-up statements
160 WWUS53 KIWX 232327 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 727 PM EDT MON MAY 23 2011 OHC003-137-240000- /O.CON.KIWX.TO.W.0009.000000T0000Z-110524T0000Z/ PUTNAM OH-ALLEN OH- 727 PM EDT MON MAY 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR NORTHEASTERN ALLEN AND SOUTHEASTERN PUTNAM COUNTIES IN WEST CENTRAL OHIO... AT 725 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE STORM WAS LOCATED NEAR COLUMBUS GROVE...OR ABOUT 9 MILES SOUTH OF OTTAWA...AND MOVING EAST AT 45 MPH. LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... PANDORA... BLUFFTON... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. && LAT...LON 4085 8417 4094 8417 4099 8387 4084 8387 TIME...MOT...LOC 2327Z 268DEG 39KT 4089 8404 $$
098 WWUS53 KIWX 232338 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 738 PM EDT MON MAY 23 2011 OHC003-137-240000- /O.CON.KIWX.TO.W.0009.000000T0000Z-110524T0000Z/ PUTNAM OH-ALLEN OH- 738 PM EDT MON MAY 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR NORTHEASTERN ALLEN AND SOUTHEASTERN PUTNAM COUNTIES IN WEST CENTRAL OHIO... AT 734 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE STORM WAS LOCATED 3 MILES SOUTH OF PANDORA...OR ABOUT 5 MILES WEST OF BLUFFTON...AND MOVING EAST AT 45 MPH. THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN ALLEN AND SOUTHEASTERN PUTNAM COUNTIES BETWEEN PANDORA AND BLUFFTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. && LAT...LON 4085 8405 4096 8405 4099 8387 4084 8387 TIME...MOT...LOC 2337Z 268DEG 39KT 4090 8394 $$
589 WWUS53 KIWX 232353 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 753 PM EDT MON MAY 23 2011 OHC003-137-240003- /O.EXP.KIWX.TO.W.0009.000000T0000Z-110524T0000Z/ PUTNAM OH-ALLEN OH- 753 PM EDT MON MAY 23 2011 ...THE TORNADO WARNING FOR NORTHEASTERN ALLEN AND SOUTHEASTERN PUTNAM COUNTIES IN WEST CENTRAL OHIO WILL EXPIRE AT 800 PM EDT... AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED OUT OF THE AREA. THEREFORE...THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA. && LAT...LON 4085 8405 4096 8405 4099 8387 4084 8387 TIME...MOT...LOC 2353Z 268DEG 39KT 4090 8371 $$
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 9:06 PM EDT | Special Weather Statement | IWX | Paulding, Van Wert | 24 min |
| May 23, 5:40 PM EDT | Severe Thunderstorm Warning | IWX | Paulding, Van Wert | 47 min |
| May 23, 5:59 PM EDT | Severe Thunderstorm Warning | IWX | Van Wert | 46 min |
| May 23, 6:45 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Van Wert | 37 min |
| May 23, 6:48 PM EDT | Tornado Warning | IWX | Allen, Van Wert | 42 min |
| May 23, 7:13 PM EDT | Tornado Warning | IWX | Allen | 47 min |
| May 23, 7:58 PM EDT | Areal Flood Advisory | IWX | Allen, Putnam, Van Wert | 3 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.