Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 1, NWS Cleveland, OH

February 28, 2011Marion County, Ohio

NWS Cleveland, OH issued this tornado warning at Feb 28, 2011, 3:30 AM EST for Marion County, Ohio. It was in force for 45 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
Feb 28, 2011, 3:30 AM EST (08:30 UTC)
Expired
Feb 28, 2011, 4:15 AM EST
In force
45 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Marion County, OH

The radar

The Cincinnati radar (KILN), 138 km from the middle of the area, began a volume at 08:31 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
Feb 28, 1:40 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.5 hours before the alert went out and 136 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 2011-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 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
539 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
380 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

072 
WFUS51 KCLE 280830
TORCLE
OHC101-280915-
/O.NEW.KCLE.TO.W.0001.110228T0830Z-110228T0915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
330 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  MARION COUNTY IN NORTH CENTRAL OHIO

* UNTIL 415 AM EST

* AT 328 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR LA RUE...OR 13 MILES SOUTHEAST OF KENTON...
  AND MOVING NORTHEAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW BLOOMINGTON...
  GREEN CAMP...
  MARION...
  CALEDONIA...

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 4044 8321 4045 8325 4050 8326 4050 8342
      4066 8340 4070 8288 4064 8290 4065 8296
      4052 8295 4050 8296 4049 8301 4043 8302
TIME...MOT...LOC 0830Z 243DEG 69KT 4056 8337

$$

KIELTYKA
2 follow-up statements
275 
WWUS51 KCLE 280901
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
401 AM EST MON FEB 28 2011

OHC101-280915-
/O.CON.KCLE.TO.W.0001.000000T0000Z-110228T0915Z/
MARION OH-
401 AM EST MON FEB 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM EST FOR MARION
COUNTY...

AT 355 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A POSSIBLE TORNADO. THIS POSSIBLE TORNADO WAS LOCATED NEAR 
GREEN CAMP...OR NEAR MARION...MOVING NORTHEAST AT 25 MPH. ANOTHER 
STRONG
STORM WAS NEAR CALEDONIA.

LOCATIONS NEAR THE PATH OF THE  POSSIBLE TORNADO INCLUDE...MARION AND
CALEDONIA...PROSPECT AND WALDO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER 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. OTHERWISE...SEEK
SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR
ROOM SUCH AS A CLOSET.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EST MONDAY MORNING FOR
NORTHERN OHIO.

&&

LAT...LON 4044 8321 4045 8325 4050 8326 4050 8342
      4066 8340 4070 8288 4064 8290 4065 8296
      4052 8295 4050 8296 4049 8301 4043 8302
TIME...MOT...LOC 0900Z 244DEG 22KT 4056 8313

$$

KIELTYKA
354 
WWUS51 KCLE 280914
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
414 AM EST MON FEB 28 2011

OHC101-280924-
/O.EXP.KCLE.TO.W.0001.000000T0000Z-110228T0915Z/
MARION OH-
414 AM EST MON FEB 28 2011

...THE TORNADO WARNING FOR MARION COUNTY EXPIRES AT 415 AM EST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EST MONDAY MORNING FOR
NORTHERN OHIO.

LAT...LON 4044 8321 4045 8325 4050 8326 4050 8342
      4066 8340 4070 8288 4064 8290 4065 8296
      4052 8295 4050 8296 4049 8301 4043 8302
TIME...MOT...LOC 0914Z 244DEG 22KT 4055 8300

$$

KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 12:43 AM ESTAreal Flood WarningCLECrawford, Hancock, Lucas, Marion, Morrow, Ottawa and 4 more12 hr
Feb 28, 12:51 AM ESTAreal Flood WarningCLEAshland, Cuyahoga, Erie, Huron, Lorain, Medina and 3 more12 hr
Feb 28, 1:54 AM ESTAreal Flood WarningCLEAshtabula, Geauga, Lake, Portage, Trumbull12 hr
Feb 28, 4:12 AM ESTFlash Flood WarningCLEAshland, Crawford, Holmes, Knox, Marion, Morrow and 2 more6 hr
Feb 28, 4:31 AM ESTRiver Flood WarningCLEMarion3 days
Feb 28, 4:41 AM ESTRiver Flood WarningCLEHancock35 hr
Feb 28, 4:45 AM ESTRiver Flood WarningCLEHancock65 hr
Feb 28, 4:48 AM ESTRiver Flood WarningCLELorain60 hr
Feb 28, 5:08 AM ESTFlash Flood WarningCLEHolmes, Knox, Mahoning, Stark6 hr
Feb 28, 5:20 AM ESTRiver Flood WarningCLECuyahoga35 hr
Feb 28, 5:37 AM ESTRiver Flood WarningCLEStark22 hr
Feb 28, 5:47 AM ESTFlash Flood WarningCLEKnox5 hr
Feb 28, 5:47 AM ESTRiver Flood WarningCLELake21 hr
Feb 28, 5:47 AM ESTRiver Flood WarningCLELake3 days
Feb 28, 5:55 AM ESTRiver Flood WarningCLECuyahoga, Geauga, Portage, Summit41 hr
Feb 28, 6:12 AM ESTRiver Flood WarningCLEErie, Huron34 hr
Feb 28, 6:14 AM ESTRiver Flood WarningCLEMarion13 days
Feb 28, 6:25 AM ESTRiver Flood WarningCLEHolmes, Wayne17 days
Feb 28, 6:31 AM ESTRiver Flood WarningCLEMahoning59 hr
Feb 28, 9:20 AM ESTRiver Flood WarningCLESandusky, Seneca6 days
Feb 28, 9:20 AM ESTRiver Flood WarningCLESandusky4 days
Feb 28, 9:22 AM ESTRiver Flood WarningCLELucas, Wood7 days
Feb 28, 9:30 AM ESTRiver Flood WarningCLEOttawa, Sandusky, Wood3 days
Feb 28, 9:32 AM ESTRiver Flood WarningCLELucas, Wood9 days
Feb 28, 10:12 AM ESTFlash Flood WarningCLECuyahoga, Lake58 min
Feb 28, 10:18 AM ESTAreal Flood WarningCLEAshland, Ashtabula, Crawford, Erie, Geauga, Hancock and 20 more50 hr
Feb 28, 11:16 AM ESTAreal Flood WarningCLECuyahoga, Lake33 hr
Feb 28, 11:56 AM ESTRiver Flood WarningCLETrumbull42 hr
Feb 28, 11:56 AM ESTRiver Flood WarningCLETrumbull42 hr
Feb 28, 1:01 PM ESTRiver Flood WarningCLEErie, Lorain2 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.