Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 37, NWS Wilmington, OH

May 14, 2011Miami County, Shelby County, Ohio

NWS Wilmington, OH issued this tornado warning at May 14, 2011, 7:55 PM EDT for Miami County, Shelby County, Ohio. It was in force for 50 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, 7:55 PM EDT (23:55 UTC)
Expired
May 14, 2011, 8:45 PM EDT
In force
50 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Miami County, OH, Shelby County, OH

The radar

The Cincinnati radar (KILN), 97 km from the middle of the area, began a volume at 23:59 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

TimeReportWhereRemark
May 14, 8:28 PM EDTFUNNEL CLOUD2 S Sidney, OH
May 14, 8:28 PM EDTTORNADO2 S Sidney, OHFUNNEL CLOUD WITH A POSSIBLE BRIEF NARROW TORNADO TOUCHDOWN.

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, 11.9 hours before the alert went out and 97 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.

828 
WFUS51 KILN 142355
TORILN
OHC109-149-150045-
/O.NEW.KILN.TO.W.0037.110514T2355Z-110515T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
755 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...
  SOUTHERN SHELBY COUNTY IN WEST CENTRAL OHIO...

* UNTIL 845 PM EDT.

* AT 750 PM EDT...LAW ENFORCEMENT AND STORM SPOTTERS HAVE REPORTED A
  TORNADO NEAR PIQUA.  RADAR INDICATED THAT THE TORNADO PRODUCING
  STORM WAS LOCATED NEAR PIQUA...MOVING NORTH AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SIDNEY...

IN ADDITION...LOCKINGTON...NEWBERN...HOUSTON AND HARDIN ARE NEAR THE 
PATH OF THIS THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-75 BETWEEN MILE MARKERS 80 AND 92...

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 4030 8436 4030 8411 4011 8414 4012 8433
TIME...MOT...LOC 2354Z 179DEG 7KT 4015 8424

$$
3 follow-up statements
762 
WWUS51 KILN 150020
SVSILN

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

OHC109-149-150045-
/O.CON.KILN.TO.W.0037.000000T0000Z-110515T0045Z/
MIAMI OH-SHELBY OH-
820 PM EDT SAT MAY 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR SOUTHERN
SHELBY AND NORTHERN MIAMI COUNTIES...

AT 820 PM EDT...RADAR SHOWED A STORM THAT IS CAPABLE OF PRODUCING 
A TORNADO NEAR LOCKINGTON...MOVING NORTH AT 10 MPH. THIS STORM 
IS SHOWING SIGNS OF WEAKENING BUT STILL IS CAPABLE OF PRODUCING A 
BRIEF TORNADO. IT HAS A HISTORY OF PRODUCING FUNNEL CLOUDS AND A 
BRIEF TORNADO TOUCHDOWN NEAR PIQUA.

LOCATIONS IMPACTED INCLUDE...
SIDNEY.

IN ADDITION...LOCKINGTON...NEWBERN AND HARDIN 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 4019 8430 4030 8436 4030 8411 4017 8413
TIME...MOT...LOC 0015Z 179DEG 7KT 4020 8419

$$
580 
WWUS51 KILN 150031
SVSILN

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

OHC109-150040-
/O.CAN.KILN.TO.W.0037.000000T0000Z-110515T0045Z/
MIAMI OH-
831 PM EDT SAT MAY 14 2011

...THE TORNADO WARNING FOR NORTHERN MIAMI 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 4021 8413 4022 8430 4030 8436 4030 8411
TIME...MOT...LOC 0030Z 189DEG 9KT 4024 8418

$$

OHC149-150045-
/O.CON.KILN.TO.W.0037.000000T0000Z-110515T0045Z/
SHELBY OH-
831 PM EDT SAT MAY 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR SOUTHERN
SHELBY COUNTY...

AT 829 PM EDT...STORM SPOTTERS REPORTED A BRIEF TORNADO TOUCHDOWN 2 
MILES SOUTH OF SIDNEY. RADAR INDICATED THAT THE TORNADO PRODUCING 
STORM WAS LOCATED NEAR NEWBERN...MOVING NORTH AT 10 MPH. THIS STORM 
REMAINS CAPABLE OF PRODUCING A BRIEF TORNADO TOUCHDOWN.

LOCATIONS IMPACTED INCLUDE...
SIDNEY.

IN ADDITION...HARDIN IS 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 4021 8413 4022 8430 4030 8436 4030 8411
TIME...MOT...LOC 0030Z 189DEG 9KT 4024 8418

$$
803 
WWUS51 KILN 150047
SVSILN

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

OHC149-150055-
/O.EXP.KILN.TO.W.0037.000000T0000Z-110515T0045Z/
SHELBY OH-
847 PM EDT SAT MAY 14 2011

...THE TORNADO WARNING FOR SOUTHERN SHELBY COUNTY HAS EXPIRED...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE 
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. 

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

LAT...LON 4021 8413 4022 8430 4030 8436 4030 8411
TIME...MOT...LOC 0031Z 189DEG 9KT 4024 8418

$$

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, 7:23 PM EDTTornado WarningILNMiami, Shelby37 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.