Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 158, NWS Cleveland, OH

June 21, 20115 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 21, 2011, 7:49 PM EDT for 5 counties in Ohio. It was in force for 41 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
Jun 21, 2011, 7:49 PM EDT (23:49 UTC)
Expired
Jun 21, 2011, 8:30 PM EDT
In force
41 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashland County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 86 km from the middle of the area, began a volume at 23:49 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

Pittsburgh, PA (KPIT), launched 12:00Z, 11.8 hours before the alert went out and 190 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, Pittsburgh, PA at 12:00Z on 2011-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 547 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, Pittsburgh, PA at 12:00Z on 2011-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
547 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

946 
WUUS51 KCLE 212349
SVRCLE
OHC005-075-077-083-139-220030-
/O.NEW.KCLE.SV.W.0158.110621T2349Z-110622T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
749 PM EDT TUE JUN 21 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHLAND COUNTY IN NORTH CENTRAL OHIO
  SOUTHEASTERN HURON COUNTY IN NORTH CENTRAL OHIO
  NORTHEASTERN KNOX COUNTY IN NORTH CENTRAL OHIO
  EASTERN RICHLAND COUNTY IN NORTH CENTRAL OHIO
  WESTERN HOLMES COUNTY IN NORTHEAST OHIO

* UNTIL 830 PM EDT

* AT 744 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
  MANSFIELD...AND MOVING NORTH AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ASHLAND...
  SAVANNAH...

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 4038 8220 4064 8251 4086 8261 4107 8262
      4106 8232 4077 8212 4067 8212 4066 8210
TIME...MOT...LOC 2349Z 184DEG 18KT 4083 8250

$$

KOSARIK
3 follow-up statements
882 
WWUS51 KCLE 220012
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
812 PM EDT TUE JUN 21 2011

OHC005-075-077-083-139-220030-
/O.CON.KCLE.SV.W.0158.000000T0000Z-110622T0030Z/
ASHLAND OH-HOLMES OH-HURON OH-KNOX OH-RICHLAND OH-
812 PM EDT TUE JUN 21 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EASTERN RICHLAND...NORTHEASTERN KNOX...SOUTHERN HURON...WESTERN
HOLMES AND ASHLAND COUNTIES...

AT 807 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
7 MILES WEST OF BAILEY LAKES...OR 10 MILES WEST OF ASHLAND...MOVING
NORTH AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...SAVANNAH
AND GREENWICH.

LAT...LON 4038 8220 4064 8251 4086 8261 4107 8262
      4106 8232 4077 8212 4067 8212 4066 8210
TIME...MOT...LOC 0012Z 184DEG 18KT 4094 8249

$$

FITZ
614 
WWUS51 KCLE 220024
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
824 PM EDT TUE JUN 21 2011

OHC005-075-077-083-139-220030-
/O.CON.KCLE.SV.W.0158.000000T0000Z-110622T0030Z/
ASHLAND OH-HOLMES OH-HURON OH-KNOX OH-RICHLAND OH-
824 PM EDT TUE JUN 21 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EASTERN RICHLAND...NORTHEASTERN KNOX...SOUTHERN HURON...WESTERN
HOLMES AND ASHLAND COUNTIES...

AT 822 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR GREENWICH...OR 8 MILES SOUTH OF
FITCHVILLE...MOVING NORTH AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
GREENWICH.

LAT...LON 4038 8220 4064 8251 4086 8261 4107 8262
      4106 8232 4077 8212 4067 8212 4066 8210
TIME...MOT...LOC 0024Z 184DEG 18KT 4100 8248

$$

FITZ
347 
WWUS51 KCLE 220026
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
826 PM EDT TUE JUN 21 2011

OHC005-075-077-083-139-220036-
/O.EXP.KCLE.SV.W.0158.000000T0000Z-110622T0030Z/
ASHLAND OH-HOLMES OH-HURON OH-KNOX OH-RICHLAND OH-
826 PM EDT TUE JUN 21 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN RICHLAND...
NORTHEASTERN KNOX...SOUTHERN HURON...WESTERN HOLMES AND ASHLAND
COUNTIES EXPIRES AT 830 PM EDT...

LAT...LON 4038 8220 4064 8251 4086 8261 4107 8262
      4106 8232 4077 8212 4067 8212 4066 8210
TIME...MOT...LOC 0026Z 184DEG 18KT 4101 8248

$$

FITZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:30 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky, Wood32 min
Jun 21, 7:58 PM EDTSpecial Marine WarningCLE92 min

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.