Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 244, NWS Cleveland, OH

August 9, 20114 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 9, 2011, 8:13 PM EDT for 4 counties in Ohio. It was in force for 47 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
Aug 9, 2011, 8:13 PM EDT (00:13 UTC)
Expired
Aug 9, 2011, 9:00 PM EDT
In force
47 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Cuyahoga County, OH, Geauga County, OH, Portage County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 45 km from the middle of the area, began a volume at 00:13 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
Aug 9, 6:56 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.2 hours before the alert went out and 147 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 00:00Z on 2011-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 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 00:00Z on 2011-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
35 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1535 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

460 
WUUS51 KCLE 100013
SVRCLE
OHC035-055-133-153-100100-
/O.NEW.KCLE.SV.W.0244.110810T0013Z-110810T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
813 PM EDT TUE AUG 9 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CUYAHOGA COUNTY IN NORTHEAST OHIO
  SOUTHERN GEAUGA COUNTY IN NORTHEAST OHIO
  NORTHERN PORTAGE COUNTY IN NORTHEAST OHIO
  NORTHERN SUMMIT COUNTY IN NORTHEAST OHIO

* UNTIL 900 PM EDT

* AT 808 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND   
DESTRUCTIVE WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR   
SOLON...AND MOVING SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SOUTH RUSSELL...
  STREETSBORO...
  MANTUA...
  BURTON...
  GARRETTSVILLE...
  MIDDLEFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INSIDE 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 4146 8101 4117 8101 4124 8169 4127 8168
      4151 8155
TIME...MOT...LOC 0012Z 280DEG 31KT 4141 8144

$$

KOSARIK
2 follow-up statements
003 
WWUS51 KCLE 100040
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
840 PM EDT TUE AUG 9 2011

OHC035-055-133-153-100100-
/O.CON.KCLE.SV.W.0244.000000T0000Z-110810T0100Z/
CUYAHOGA OH-PORTAGE OH-SUMMIT OH-GEAUGA OH-
840 PM EDT TUE AUG 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHERN GEAUGA...NORTHERN SUMMIT...NORTHERN PORTAGE AND EASTERN
CUYAHOGA COUNTIES...

AT 836 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED STRONG 
TO SEVERE THUNDERSTORMS FROM SOUTHERN GEAUGA COUNTY TO SOUTHEAST 
CUYAHOGA COUNTY. THE STORMS HAVE WEAKENED SOMEWHAT BUT ARE STILL 
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS 
OF 60 MPH. THE STORMS WERE MOVING EAST AT 35 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
STREETSBORO...MANTUA...HIRAM...GARRETTSVILLE AND WINDHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT 
WEDNESDAY MORNING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4146 8101 4117 8101 4124 8169 4127 8168
      4151 8155
TIME...MOT...LOC 0038Z 290DEG 29KT 4129 8141

$$

KOSARIK
947 
WWUS51 KCLE 100042
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
842 PM EDT TUE AUG 9 2011

OHC035-055-133-153-100100-
/O.CON.KCLE.SV.W.0244.000000T0000Z-110810T0100Z/
CUYAHOGA OH-PORTAGE OH-SUMMIT OH-GEAUGA OH-
842 PM EDT TUE AUG 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHERN GEAUGA...NORTHERN SUMMIT...NORTHERN PORTAGE AND
SOUTHEASTERN CUYAHOGA COUNTIES...

AT 840 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 REMINDERVILLE...OR 11 MILES NORTHWEST OF
RAVENNA...MOVING EAST AT 35 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
MANTUA...HIRAM...GARRETTSVILLE AND WINDHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NORTHWESTERN OHIO. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL MIDNIGHT EDT WEDNESDAY MORNING FOR
NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4146 8101 4117 8101 4124 8168 4125 8169
      4127 8168 4146 8145
TIME...MOT...LOC 0042Z 290DEG 29KT 4128 8137

$$

SCHULER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:23 PM EDTSevere Thunderstorm WarningCLEAshland, Medina, Summit, Wayne67 min
Aug 9, 8:45 PM EDTSevere Thunderstorm WarningCLEStark75 min
Aug 9, 9:12 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Trumbull63 min
Aug 10, 3:40 AM EDTCoastal Flood StatementCLEAshtabula, Lake16 hr
Aug 10, 8:07 AM EDTSpecial Marine WarningCLE38 min
Aug 10, 8:47 AM EDTSpecial Marine WarningCLE118 min
Aug 10, 10:44 AM EDTSpecial Marine WarningCLE2 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.