Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 34, NWS Wilmington, OH

April 27, 2011Auglaize County, Mercer County, Ohio

NWS Wilmington, OH issued this tornado warning at Apr 27, 2011, 11:58 PM EDT for Auglaize County, Mercer County, Ohio. It was in force for 29 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 27, 2011, 11:58 PM EDT (03:58 UTC)
Expired
Apr 28, 2011, 12:27 AM EDT
In force
29 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Auglaize County, OH, Mercer County, OH

The radar

The Northern Indiana radar (KIWX), 137 km from the middle of the area, began a volume at 04:00 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.

IssuedProductOfficeLasted
Apr 27, 7:22 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.0 hours before the alert went out and 145 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
521 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

801 
WFUS51 KILN 280358
TORILN
OHC011-107-280445-
/O.NEW.KILN.TO.W.0034.110428T0358Z-110428T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1158 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN AUGLAIZE COUNTY IN WEST CENTRAL OHIO...
  NORTHERN MERCER COUNTY IN WEST CENTRAL OHIO...

* UNTIL 1245 AM EDT.

* AT 1154 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR TAMA....
  MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CRIDERSVILLE...

IN ADDITION...NEPTUNE...MENDON...STATE ROUTE 116 AT STATE ROUTE
197...KOSSUTH AND BUCKLAND ARE NEAR THE PATH OF THIS DANGEROUS
THUNDERSTORM.

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.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT THURSDAY MORNING
FOR SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY AND SOUTHWESTERN
OHIO.

&&

LAT...LON 4069 8445 4069 8423 4066 8422 4066 8411
      4065 8410 4065 8406 4047 8470 4073 8473
      4073 8446
TIME...MOT...LOC 0358Z 227DEG 38KT 4063 8457

$$


BINAU
3 follow-up statements
266 
WWUS51 KILN 280405
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1205 AM EDT THU APR 28 2011

OHC011-107-280445-
/O.CON.KILN.TO.W.0034.000000T0000Z-110428T0445Z/
AUGLAIZE OH-MERCER OH-
1205 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
NORTHEASTERN MERCER AND NORTHWESTERN AUGLAIZE COUNTIES...

AT 1203 AM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
MENDON...MOVING NORTHEAST AT 45 MPH.

THIS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN MERCER AND
NORTHWESTERN AUGLAIZE COUNTIES...INCLUDING STATE ROUTE 116 AT STATE
ROUTE 197 AND KOSSUTH.

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 4066 8422 4053 8466 4072 8464 4073 8446
      4069 8445 4069 8423
TIME...MOT...LOC 0406Z 227DEG 38KT 4067 8452

$$


BINAU
280 
WWUS51 KILN 280419
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1219 AM EDT THU APR 28 2011

OHC011-280429-
/O.CAN.KILN.TO.W.0034.000000T0000Z-110428T0445Z/
AUGLAIZE OH-
1219 AM EDT THU APR 28 2011

...THE TORNADO WARNING FOR NORTHWESTERN AUGLAIZE COUNTY HAS BEEN
CANCELLED...

PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 4073 8446 4069 8445 4065 8446 4065 8454
      4072 8457 4073 8450
TIME...MOT...LOC 0419Z 230DEG 25KT 4072 8446

$$

OHC107-280445-
/O.CON.KILN.TO.W.0034.000000T0000Z-110428T0445Z/
MERCER OH-
1219 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
NORTHEASTERN MERCER COUNTY...

AT 1216 AM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
MENDON...MOVING NORTHEAST AT 30 MPH.

THIS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN MERCER
COUNTY.

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 4073 8446 4069 8445 4065 8446 4065 8454
      4072 8457 4073 8450
TIME...MOT...LOC 0419Z 230DEG 25KT 4072 8446

$$


BINAU
124 
WWUS51 KILN 280427
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1227 AM EDT THU APR 28 2011

OHC107-280437-
/O.CAN.KILN.TO.W.0034.000000T0000Z-110428T0445Z/
MERCER OH-
1227 AM EDT THU APR 28 2011

...THE TORNADO WARNING FOR NORTHEASTERN MERCER COUNTY HAS BEEN
CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE 
TORNADO WARNING HAS BEEN CANCELLED.

HEAVY RAIN IS 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 3 AM.

LAT...LON 4073 8446 4069 8445 4065 8446 4065 8454
      4072 8457 4073 8450
TIME...MOT...LOC 0427Z 230DEG 25KT 4075 8440

$$


BINAU

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 9:00 PM EDTSpecial Weather StatementILNAdams, Pike60 min
Apr 27, 9:58 PM EDTSpecial Weather StatementILNScioto62 min
Apr 27, 9:59 PM EDTWind AdvisoryILNAdams, Auglaize, Brown, Butler, Champaign, Clark and 26 more7 hr
Apr 27, 10:36 PM EDTFlash Flood WarningILNAdams, Scioto3 hr
Apr 27, 11:00 PM EDTSpecial Weather StatementILNDarke, Mercer60 min
Apr 27, 11:15 PM EDTSevere Thunderstorm WarningILNDarke, Mercer60 min
Apr 27, 11:31 PM EDTTornado WarningILNMercer29 min
Apr 28, 2:10 AM EDTSevere Thunderstorm WarningILNChampaign, Clark, Clinton, Fayette, Greene, Madison and 3 more50 min
Apr 28, 2:51 AM EDTSevere Thunderstorm WarningILNDelaware, Fairfield, Fayette, Franklin, Hardin, Hocking and 6 more54 min
Apr 28, 5:50 PM EDTSpecial Weather StatementILNButler, Champaign, Darke, Hamilton, Logan, Miami and 3 more55 min
Apr 28, 5:55 PM EDTSpecial Weather StatementILNBrown, Clermont, Clinton, Fayette, Greene, Highland and 1 more65 min
Apr 28, 6:58 PM EDTSpecial Weather StatementILNAdams, Brown, Clermont, Clinton, Fayette, Greene and 6 more2 hr
Apr 28, 7:26 PM EDTSpecial Weather StatementILNChampaign, Clark, Delaware, Fairfield, Franklin, Hardin and 4 more64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.