Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 43, NWS Cleveland, OH

May 12, 2011Marion County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 12, 2011, 9:03 PM EDT for Marion County, Ohio. It was in force for 42 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
May 12, 2011, 9:03 PM EDT (01:03 UTC)
Expired
May 12, 2011, 9:45 PM EDT
In force
42 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Marion County, OH

The radar

The Cleveland radar (KCLE), 139 km from the middle of the area, began a volume at 01:05 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.1 hours before the alert went out and 143 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 2011-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 667 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 00:00Z on 2011-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
667 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1715 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

828 
WUUS51 KCLE 130103
SVRCLE
OHC101-130145-
/O.NEW.KCLE.SV.W.0043.110513T0103Z-110513T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
903 PM EDT THU MAY 12 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARION COUNTY IN NORTH CENTRAL OHIO

* UNTIL 945 PM EDT

* AT 901 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  MARION...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARION...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

&&

PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4052 8335 4068 8337 4069 8331 4070 8330
      4070 8286 4064 8286 4064 8296 4049 8296
      4049 8302
TIME...MOT...LOC 0103Z 248DEG 12KT 4061 8318

$$
SCHULER
2 follow-up statements
276 
WWUS51 KCLE 130127
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
927 PM EDT THU MAY 12 2011

OHC101-130145-
/O.CON.KCLE.SV.W.0043.000000T0000Z-110513T0145Z/
MARION OH-
927 PM EDT THU MAY 12 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR MARION COUNTY...

AT 924 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR MORRAL...OR 6 MILES NORTH OF MARION...MOVING NORTHEAST AT 5 MPH.

ANOTHER SEVERE THUNDERSTORM WAS LOCATED OVER THE CITY OF MARION 
MOVING EAST AT 15 MPH. THIS STORM MAY PRODUCE QUARTER SIZE HAIL AND 
WIND GUSTS IN EXCESS OF 60 MPH. 

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM 
INCLUDE...MARION...CALEDONIA.

LAT...LON 4052 8335 4068 8337 4069 8331 4070 8330
      4070 8286 4064 8286 4064 8296 4049 8296
      4049 8302
TIME...MOT...LOC 0125Z 231DEG 5KT 4066 8316

$$

MULLEN
505 
WWUS51 KCLE 130143
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
943 PM EDT THU MAY 12 2011

OHC101-130153-
/O.EXP.KCLE.SV.W.0043.000000T0000Z-110513T0145Z/
MARION OH-
943 PM EDT THU MAY 12 2011

...THE SEVERE THUNDERSTORM WARNING FOR MARION COUNTY EXPIRES AT 945
PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE...HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4052 8335 4068 8337 4069 8331 4070 8330
      4070 8286 4064 8286 4064 8296 4049 8296
      4049 8302
TIME...MOT...LOC 0143Z 231DEG 5KT 4068 8313

$$

MULLEN

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 9:27 AM EDTFlood WatchCLEAshland, Ashtabula, Cuyahoga, Erie, Geauga, Holmes and 12 more14 hr
May 13, 12:52 PM EDTFlash Flood WarningCLECuyahoga, Geauga, Lake5 hr
May 13, 2:16 PM EDTSevere Thunderstorm WarningCLEMahoning44 min
May 13, 2:23 PM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Lake, Mahoning, Portage, Stark and 1 more5 hr
May 13, 2:34 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Trumbull41 min
May 13, 2:56 PM EDTFlash Flood WarningCLEAshtabula, Geauga, Trumbull3 hr
May 13, 3:38 PM EDTAreal Flood AdvisoryCLEAshland, Richland112 min
May 13, 4:13 PM EDTSevere Thunderstorm WarningCLEPortage62 min
May 13, 4:40 PM EDTAreal Flood WarningCLEMedina, Portage, Stark, Summit, Wayne4 hr
May 13, 4:46 PM EDTSevere Thunderstorm WarningCLEMedina, Summit, Wayne28 min
May 13, 5:58 PM EDTAreal Flood WarningCLEAshtabula, Geauga, Trumbull5 hr
May 13, 6:06 PM EDTRiver Flood WarningCLELake5 hr
May 13, 7:26 PM EDTRiver Flood WarningCLEStark4 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011Every severe thunderstorm warning 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.