Alert archive / Ohio / Tornado Warnings in 2010

Tornado Warning 6, NWS Cleveland, OH

May 11, 2010Erie County, Sandusky County, Ohio

NWS Cleveland, OH issued this tornado warning at May 11, 2010, 5:41 PM EDT for Erie County, Sandusky County, Ohio. It was in force for 34 min. 1 report 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 11, 2010, 5:41 PM EDT (21:41 UTC)
Expired
May 11, 2010, 6:15 PM EDT
In force
34 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Erie County, OH, Sandusky County, OH

The radar

The Cleveland radar (KCLE), 87 km from the middle of the area, began a volume at 21:42 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 11, 5:41 PM EDTTORNADOClyde, OHPOSSIBLE TORNADO NEAR CLYDE. A FEW TREES KNOCKED DOWN AND A TRAILER MOVED OFF OF ITS FOUNDATION. NUMEROUS REPORTS OF FUNNELS.

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

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.7 hours before the alert went out and 162 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, Detroit, MI at 12:00Z on 2010-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Detroit, MI at 12:00Z on 2010-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
566 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
113 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.

971 
WFUS51 KCLE 112141
TORCLE
OHC043-143-112215-
/O.NEW.KCLE.TO.W.0006.100511T2141Z-100511T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
541 PM EDT TUE MAY 11 2010

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN ERIE COUNTY IN NORTH CENTRAL OHIO
  EASTERN SANDUSKY COUNTY IN NORTHWEST OHIO

* UNTIL 615 PM EDT

* AT 538 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CLYDE...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CLYDE  
  CASTALIA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

&&

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

LAT...LON 4141 8307 4144 8274 4129 8272 4128 8279
      4129 8283 4127 8284 4125 8298 4125 8301
TIME...MOT...LOC 2141Z 254DEG 38KT 4136 8291

$$

KIELTYKA
2 follow-up statements
208 
WWUS51 KCLE 112203
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
603 PM EDT TUE MAY 11 2010

OHC043-143-112215-
/O.CON.KCLE.TO.W.0006.000000T0000Z-100511T2215Z/
SANDUSKY OH-ERIE OH-
603 PM EDT TUE MAY 11 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR WESTERN
ERIE COUNTY IN NORTH CENTRAL OHIO...AND EASTERN SANDUSKY COUNTY IN
NORTHWEST OHIO...

AT 559 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS
TORNADO WAS LOCATED NEAR CASTALIA...OR 7 MILES SOUTHWEST OF
SANDUSKY...MOVING NORTHEAST AT 45 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE....

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. OTHERWISE...SEEK
SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR
ROOM SUCH AS A CLOSET.

&&

LAT...LON 4129 8279 4129 8283 4129 8286 4131 8294
      4132 8303 4141 8306 4144 8274 4129 8272
TIME...MOT...LOC 2201Z 254DEG 38KT 4138 8278

$$

THOMPSON
044 
WWUS51 KCLE 112214
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
614 PM EDT TUE MAY 11 2010

OHC043-143-112222-
/O.EXP.KCLE.TO.W.0006.000000T0000Z-100511T2215Z/
SANDUSKY OH-ERIE OH-
614 PM EDT TUE MAY 11 2010

...THE TORNADO WARNING FOR WESTERN ERIE COUNTY IN NORTH CENTRAL
OHIO...AND EASTERN SANDUSKY COUNTY IN NORTHWEST OHIO EXPIRES AT 615
PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA. THAT HAVE BEEN REPORTS OF FUNNEL CLOUDS AND UNCONFIRMED BRIEF 
TOUCH DOWN IN EASTERN SANDUSKY COUNTY. THE STORM HAS WEAKENED AND WAS
MOVING EAST THROUGH ERIE COUNTY.

LAT...LON 4129 8279 4129 8283 4129 8286 4131 8294
      4132 8303 4141 8306 4144 8274 4129 8272
TIME...MOT...LOC 2212Z 254DEG 38KT 4141 8263

$$

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 2:54 AM EDTSmall Craft AdvisoryCLE31 hr
May 11, 6:51 PM EDTTornado WarningCLEErie, Huron, Sandusky, Seneca39 min
May 11, 7:36 PM EDTTornado WarningCLECrawford, Richland39 min

Nearby

Tornado Warnings in Ohio, 2010Every tornado warning in 2010Tornadoes in 2010

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.