Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 273, NWS Cleveland, OH

August 25, 2011Ashtabula County, Geauga County, Lake County, Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 25, 2011, 12:41 AM EDT for Ashtabula County, Geauga County, Lake County, Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 79 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 25, 2011, 12:41 AM EDT (04:41 UTC)
Expired
Aug 25, 2011, 2:00 AM EDT
In force
79 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashtabula County, OH, Geauga County, OH, Lake County, OH, Crawford County, PA, Erie County, PA

The radar

The Cleveland radar (KCLE), 125 km from the middle of the area, began a volume at 04:44 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.

What was reported inside it

TimeReportWhereRemark
Aug 25, 12:45 AM EDTHAIL 1Geneva, OH
Aug 25, 12:50 AM EDTTSTM WND DMGCorry, PALARGE LIMB DOWN.
Aug 25, 1:00 AM EDTHAIL 0.884 S Union City, PA
Aug 25, 1:05 AM EDTHAIL 0.88Corry, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 24, 9:18 PM EDTSevere Thunderstorm WatchSPC6 hr
Aug 24, 10:27 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 4.7 hours before the alert went out and 155 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 2011-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1205 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 2011-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 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
1205 J/kg
Mixed-layer CIN
-258 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

800 
WUUS51 KCLE 250441
SVRCLE
OHC007-055-085-PAC039-049-250600-
/O.NEW.KCLE.SV.W.0273.110825T0441Z-110825T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1241 AM EDT THU AUG 25 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHTABULA COUNTY IN NORTHEAST OHIO
  NORTHERN GEAUGA COUNTY IN NORTHEAST OHIO
  LAKE COUNTY IN NORTHEAST OHIO
  CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA
  ERIE COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 200 AM EDT

* AT 1235 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 13 MILES EAST OF NORTH EAST TO
  ALBION TO CHARDON...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MEADVILLE...
  EDINBORO...
  UNION CITY...
  CAMBRIDGE SPRINGS...
  ORWELL...
  LINESVILLE...
  CORRY...
  ANDOVER...
  SPARTANSBURG...
  TITUSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

&&

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 4162 7982 4148 8001 4147 8035 4150 8059
      4150 8100 4152 8101 4154 8135 4157 8139
      4157 8149 4165 8148 4177 8129 4203 8036
      4210 8019 4217 8011 4217 8007 4215 8006
      4227 7978 4201 7975 4199 7960 4162 7961
TIME...MOT...LOC 0441Z 286DEG 35KT 4216 7951 4186 8032
          4158 8107

$$

LAPLANTE
3 follow-up statements
017 
WWUS51 KCLE 250509
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
109 AM EDT THU AUG 25 2011

OHC007-055-085-PAC039-049-250600-
/O.CON.KCLE.SV.W.0273.000000T0000Z-110825T0600Z/
CRAWFORD PA-GEAUGA OH-LAKE OH-ASHTABULA OH-ERIE PA-
109 AM EDT THU AUG 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM EDT
FOR ASHTABULA...LAKE AND NORTHERN GEAUGA COUNTIES IN NORTHEAST
OHIO...AND ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA...

AT 105 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 25 MILES NORTHEAST OF CORRY TO
CAMBRIDGE SPRINGS TO ORWELL...MOVING EAST AT 40 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
SPARTANSBURG...MEADVILLE AND TITUSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EDT THURSDAY MORNING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4162 7982 4148 8001 4147 8035 4150 8059
      4150 8100 4152 8101 4154 8135 4157 8139
      4157 8149 4165 8148 4177 8129 4203 8036
      4210 8019 4217 8011 4217 8007 4215 8006
      4227 7978 4201 7975 4199 7960 4162 7961
TIME...MOT...LOC 0509Z 286DEG 35KT 4208 7916 4178 7997
          4151 8072

$$

SCHULER
547 
WWUS51 KCLE 250530
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
130 AM EDT THU AUG 25 2011

OHC007-055-085-PAC039-049-250600-
/O.CON.KCLE.SV.W.0273.000000T0000Z-110825T0600Z/
CRAWFORD PA-GEAUGA OH-LAKE OH-ASHTABULA OH-ERIE PA-
130 AM EDT THU AUG 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM EDT
FOR ASHTABULA...LAKE AND NORTHERN GEAUGA COUNTIES IN NORTHEAST
OHIO...AND ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA...

AT 127 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 37 MILES EAST OF CORRY TO 7 MILES
SOUTHWEST OF SPARTANSBURG TO 11 MILES SOUTH OF ANDOVER...MOVING EAST
AT 40 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...TITUSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EDT THURSDAY MORNING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4162 7982 4148 8001 4147 8035 4150 8059
      4150 8100 4152 8101 4154 8135 4157 8139
      4157 8149 4165 8148 4177 8129 4203 8036
      4210 8019 4217 8011 4217 8007 4215 8006
      4227 7978 4201 7975 4199 7960 4162 7961
TIME...MOT...LOC 0531Z 286DEG 35KT 4201 7888 4172 7969
          4145 8045

$$

SCHULER
580 
WWUS51 KCLE 250555
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
155 AM EDT THU AUG 25 2011

OHC007-055-250605-
/O.CAN.KCLE.SV.W.0273.000000T0000Z-110825T0600Z/
GEAUGA OH-ASHTABULA OH-
155 AM EDT THU AUG 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR ASHTABULA AND NORTHERN GEAUGA
COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EDT THURSDAY MORNING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4162 7961 4162 7982 4148 8001 4148 8044
      4149 8052 4166 8053 4172 8100 4171 8110
      4164 8111 4164 8129 4157 8130 4157 8149
      4177 8100 4172 8100 4166 8052 4197 8052
      4217 8011 4227 7978 4200 7975 4199 7960
TIME...MOT...LOC 0555Z 286DEG 35KT 4194 7858 4165 7939
          4139 8015

$$

OHC085-PAC039-049-250600-
/O.CON.KCLE.SV.W.0273.000000T0000Z-110825T0600Z/
CRAWFORD PA-LAKE OH-ERIE PA-
155 AM EDT THU AUG 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM EDT
FOR SOUTHERN LAKE COUNTY IN NORTHEAST OHIO...AND ERIE AND CRAWFORD
COUNTIES IN NORTHWEST PENNSYLVANIA...

AT 152 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 52 MILES EAST OF CORRY TO 13
MILES EAST OF TITUSVILLE TO 17 MILES SOUTH OF MEADVILLE...MOVING EAST
AT 40 MPH.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EDT THURSDAY MORNING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4162 7961 4162 7982 4148 8001 4148 8044
      4149 8052 4166 8053 4172 8100 4171 8110
      4164 8111 4164 8129 4157 8130 4157 8149
      4177 8100 4172 8100 4166 8052 4197 8052
      4217 8011 4227 7978 4200 7975 4199 7960
TIME...MOT...LOC 0555Z 286DEG 35KT 4194 7858 4165 7939
          4139 8015

$$
SCHULER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 9:52 PM EDTSpecial Marine WarningCLE113 min
Aug 24, 10:11 PM EDTSevere Thunderstorm WarningCLELucas, Wood64 min
Aug 24, 11:04 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky41 min
Aug 24, 11:07 PM EDTSevere Thunderstorm WarningCLEHancock53 min
Aug 24, 11:13 PM EDTAreal Flood AdvisoryCLEHancock, Lucas, Sandusky, Seneca, Wood3 hr
Aug 24, 11:14 PM EDTSevere Thunderstorm WarningCLESeneca, Wood61 min
Aug 24, 11:27 PM EDTSpecial Marine WarningCLE2 hr
Aug 24, 11:30 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake75 min
Aug 24, 11:31 PM EDTSevere Thunderstorm WarningCLEWyandot44 min
Aug 24, 11:35 PM EDTSevere Thunderstorm WarningCLEErie, Huron40 min
Aug 24, 11:49 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain, Medina71 min
Aug 24, 11:53 PM EDTSevere Thunderstorm WarningCLECrawford, Marion42 min
Aug 25, 12:01 AM EDTSevere Thunderstorm WarningCLEAshland, Richland59 min
Aug 25, 12:26 AM EDTSevere Thunderstorm WarningCLEGeauga, Portage, Summit, Wayne79 min
Aug 25, 12:32 AM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Lake3 hr
Aug 25, 1:09 AM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull66 min
Aug 25, 1:12 AM EDTSevere Thunderstorm WarningCLEStark48 min
Aug 25, 1:27 AM EDTTornado WarningCLETrumbull25 min
Aug 25, 1:31 AM EDTAreal Flood WarningCLEAshtabula3 hr
Aug 25, 1:36 AM EDTAreal Flood AdvisoryCLEMahoning, Trumbull3 hr
Aug 25, 1:35 AM EDTAreal Flood AdvisoryCLECrawford3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011Severe Thunderstorm Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.