Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 281, NWS Cleveland, OH

September 4, 20114 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 4, 2011, 12:08 AM EDT for 4 counties in Ohio. It was in force for 67 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
Sep 4, 2011, 12:08 AM EDT (04:08 UTC)
Expired
Sep 4, 2011, 1:15 AM EDT
In force
67 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Crawford County, OH, Marion County, OH, Morrow County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 117 km from the middle of the area, began a volume at 04:09 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, 4.1 hours before the alert went out and 158 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 2011-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1189 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 2011-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939Sfc1 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
1189 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
2058 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
77 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.

519 
WUUS51 KCLE 040408
SVRCLE
OHC033-101-117-139-040515-
/O.NEW.KCLE.SV.W.0281.110904T0408Z-110904T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1208 AM EDT SUN SEP 4 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CRAWFORD COUNTY IN NORTH CENTRAL OHIO
  NORTHEASTERN MARION COUNTY IN NORTH CENTRAL OHIO
  MORROW COUNTY IN NORTH CENTRAL OHIO
  RICHLAND COUNTY IN NORTH CENTRAL OHIO

* UNTIL 115 AM EDT

* AT 1205 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES NORTHWEST OF
  CARDINGTON...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOUNT GILEAD...
  MANSFIELD...
  SPARTA...
  CHESTERVILLE...
  GALION...
  CRESTLINE...

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 4036 8293 4041 8293 4042 8302 4047 8302
      4049 8300 4070 8311 4094 8242 4081 8242
      4080 8239 4073 8238 4072 8236 4056 8234
      4055 8264 4035 8265
TIME...MOT...LOC 0408Z 240DEG 23KT 4060 8294

$$

MULLEN
1 follow-up statement
980 
WWUS51 KCLE 040430
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1230 AM EDT SUN SEP 4 2011

OHC101-040440-
/O.CAN.KCLE.SV.W.0281.000000T0000Z-110904T0515Z/
MARION OH-
1230 AM EDT SUN SEP 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARION COUNTY IS
CANCELLED...

LAT...LON 4036 8293 4041 8293 4042 8302 4047 8302
      4049 8296 4066 8286 4070 8284 4074 8290
      4094 8242 4082 8242 4080 8239 4073 8238
      4072 8236 4056 8234 4055 8264 4035 8265
TIME...MOT...LOC 0430Z 240DEG 23KT 4062 8272

$$

OHC033-117-139-040515-
/O.CON.KCLE.SV.W.0281.000000T0000Z-110904T0515Z/
CRAWFORD OH-MORROW OH-RICHLAND OH-
1230 AM EDT SUN SEP 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR RICHLAND...MORROW AND SOUTHEASTERN CRAWFORD COUNTIES IN NORTH
CENTRAL OHIO...

AT 1228 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES NORTHEAST OF MOUNT
GILEAD...MOVING NORTHEAST AT 25 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
LEXINGTON...BELLVILLE...ONTARIO...MANSFIELD AND LUCAS.

LAT...LON 4036 8293 4041 8293 4042 8302 4047 8302
      4049 8296 4066 8286 4070 8284 4074 8290
      4094 8242 4082 8242 4080 8239 4073 8238
      4072 8236 4056 8234 4055 8264 4035 8265
TIME...MOT...LOC 0430Z 240DEG 23KT 4062 8272

$$

MULLEN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 10:08 PM EDTSevere Thunderstorm WarningCLEHancock, Wood52 min
Sep 3, 11:46 PM EDTSpecial Marine WarningCLE119 min
Sep 4, 1:17 AM EDTSpecial Marine WarningCLE73 min
Sep 4, 1:32 AM EDTSevere Thunderstorm WarningCLELorain, Medina43 min
Sep 4, 2:00 AM EDTSpecial Marine WarningCLE75 min
Sep 4, 2:21 AM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lake29 min
Sep 4, 2:31 AM EDTSevere Thunderstorm WarningCLEAshtabula44 min
Sep 4, 3:05 AM EDTSpecial Marine WarningCLE40 min
Sep 4, 3:17 PM EDTSmall Craft AdvisoryCLE5 days

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.