Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 36, NWS Wilmington, OH

May 14, 2011Miami County, Shelby County, Ohio

NWS Wilmington, OH issued this tornado warning at May 14, 2011, 7:23 PM EDT for Miami County, Shelby County, Ohio. It was in force for 37 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 14, 2011, 7:23 PM EDT (23:23 UTC)
Expired
May 14, 2011, 8:00 PM EDT
In force
37 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Miami County, OH, Shelby County, OH

The radar

The Cincinnati radar (KILN), 102 km from the middle of the area, began a volume at 23:25 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

TimeReportWhereRemark
May 14, 7:30 PM EDTFUNNEL CLOUDPiqua, OH
May 14, 7:42 PM EDTTORNADOW Piqua, OHTORNADO ON THE GROUND...DEBRIS COMING FROM THE GROUND.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.4 hours before the alert went out and 102 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 12:00Z on 2011-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2011-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.19395878Sfc1 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
421 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

277 
WFUS51 KILN 142323
TORILN
OHC109-149-150000-
/O.NEW.KILN.TO.W.0036.110514T2323Z-110515T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
723 PM EDT SAT MAY 14 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MIAMI COUNTY IN WEST CENTRAL OHIO...
  SOUTHWESTERN SHELBY COUNTY IN WEST CENTRAL OHIO...

* UNTIL 800 PM EDT.

* AT 721 PM EDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED A
  TORNADO NORTHWEST OF PIQUA. INDICATED THAT THE TORNADO
  PRODUCING STORM WAS LOCATED NEAR PIQUA......MOVING NORTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SIDNEY...
  FORT LORAMIE...

IN ADDITION...POLO...LOCKINGTON...NEWBERN...HOUSTON...HARDIN...
NEWPORT AND SWANDERS ARE NEAR THE PATH OF THIS DANGEROUS
THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-75 BETWEEN MILE MARKERS 79 AND 97...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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.

&&

LAT...LON 4036 8442 4036 8414 4011 8419 4012 8438
TIME...MOT...LOC 2322Z 180DEG 13KT 4017 8429

$$
1 follow-up statement
662 
WWUS51 KILN 142344
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
744 PM EDT SAT MAY 14 2011

OHC109-149-150000-
/O.CON.KILN.TO.W.0036.000000T0000Z-110515T0000Z/
MIAMI OH-SHELBY OH-
744 PM EDT SAT MAY 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
SOUTHWESTERN SHELBY AND NORTHERN MIAMI COUNTIES...

AT 742 PM EDT...STORM SPOTTERS REPORTED A NARROW TORNADO JUST WEST 
OF PIQUA AT 742 PM. RADAR INDICATED THAT THE TORNADO PRODUCING STORM 
WAS LOCATED NEAR PIQUA...MOVING NORTH AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
SIDNEY AND FORT LORAMIE.

IN ADDITION...POLO...NEWBERN...HOUSTON...HARDIN...SANDERS...NEWPORT
AND LOCKINGTON ARE NEAR THE PATH OF THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4036 8442 4036 8414 4011 8419 4012 8438
TIME...MOT...LOC 2344Z 187DEG 7KT 4016 8426

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 12:09 PM EDTSpecial Weather StatementILNLicking66 min
May 14, 12:27 PM EDTSpecial Weather StatementILNUnion33 min
May 14, 1:18 PM EDTAreal Flood AdvisoryILNAuglaize, Hardin, Logan, Shelby3 hr
May 14, 3:27 PM EDTSpecial Weather StatementILNHocking48 min
May 14, 3:50 PM EDTSevere Thunderstorm WarningILNFairfield, Hocking22 min
May 14, 7:55 PM EDTTornado WarningILNMiami, Shelby50 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.