Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 111, NWS Cleveland, OH

May 29, 2011Geauga County, Portage County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 29, 2011, 8:12 PM EDT for Geauga County, Portage County, Trumbull County, Ohio. It was in force for 63 min. 3 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
May 29, 2011, 8:12 PM EDT (00:12 UTC)
Expired
May 29, 2011, 9:15 PM EDT
In force
63 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Geauga County, OH, Portage County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 83 km from the middle of the area, began a volume at 00:15 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
May 29, 8:41 PM EDTHAIL 0.75Kinsman, OH
May 29, 8:50 PM EDTTSTM WND GST 605 E Cortland, OH
May 29, 8:58 PM EDTHAIL 0.88Vienna, OH

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
May 29, 6:17 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 116 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 2011-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1622 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 2011-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
1622 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1481 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

837 
WUUS51 KCLE 300012
SVRCLE
OHC055-133-155-300115-
/O.NEW.KCLE.SV.W.0111.110530T0012Z-110530T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
812 PM EDT SUN MAY 29 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN GEAUGA COUNTY IN NORTHEAST OHIO
  NORTHERN PORTAGE COUNTY IN NORTHEAST OHIO
  TRUMBULL COUNTY IN NORTHEAST OHIO

* UNTIL 915 PM EDT

* AT 807 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE 
LOCATED NEAR SOUTH RUSSELL...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WARREN...
  GARRETTSVILLE...
  MIDDLEFIELD...
  WEST FARMINGTON...
  NEWTON FALLS...
  BRISTOLVILLE...
  NORTH BLOOMFIELD...
  LORDSTOWN...
  NILES...
  CORTLAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

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 4114 8097 4126 8137 4152 8136 4150 8052
      4115 8053 4113 8051
TIME...MOT...LOC 0011Z 270DEG 50KT 4136 8123

$$

ADAMS
3 follow-up statements
551 
WWUS51 KCLE 300020
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
820 PM EDT SUN MAY 29 2011

OHC055-133-155-300115-
/O.CON.KCLE.SV.W.0111.000000T0000Z-110530T0115Z/
PORTAGE OH-TRUMBULL OH-GEAUGA OH-
820 PM EDT SUN MAY 29 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR SOUTHERN GEAUGA...TRUMBULL AND NORTHERN PORTAGE COUNTIES...

AT 815 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 HIRAM...OR 15 MILES SOUTH OF CHARDON...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
BRISTOLVILLE...NORTH BLOOMFIELD...CHAMPION HEIGHTS...CORTLAND...
VIENNA...HOWLAND CENTER...KINSMAN...YANKEE LAKE AND ORANGEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4114 8097 4125 8132 4149 8134 4150 8052
      4115 8053 4113 8051
TIME...MOT...LOC 0020Z 268DEG 54KT 4137 8102

$$

ADAMS
108 
WWUS51 KCLE 300039
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
839 PM EDT SUN MAY 29 2011

OHC055-133-300049-
/O.CAN.KCLE.SV.W.0111.000000T0000Z-110530T0115Z/
PORTAGE OH-GEAUGA OH-
839 PM EDT SUN MAY 29 2011

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4114 8097 4116 8100 4132 8101 4150 8082
      4150 8052 4116 8053 4113 8051
TIME...MOT...LOC 0039Z 270DEG 48KT 4149 8060 4119 8092

$$

OHC155-300115-
/O.CON.KCLE.SV.W.0111.000000T0000Z-110530T0115Z/
TRUMBULL OH-
839 PM EDT SUN MAY 29 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR TRUMBULL COUNTY...

AT 838 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM KINSMAN TO
TURNPIKE INTERCHANGE...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...MINERAL
RIDGE...LORDSTOWN...HOWLAND CENTER...BOLINDALE...GIRARD...VIENNA...
ORANGEVILLE...NILES...YANKEE LAKE AND CHURCHILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4114 8097 4116 8100 4132 8101 4150 8082
      4150 8052 4116 8053 4113 8051
TIME...MOT...LOC 0039Z 270DEG 48KT 4149 8060 4119 8092

$$

ADAMS
836 
WWUS51 KCLE 300117
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
917 PM EDT SUN MAY 29 2011

OHC155-300127-
/O.EXP.KCLE.SV.W.0111.000000T0000Z-110530T0115Z/
TRUMBULL OH-
917 PM EDT SUN MAY 29 2011

...THE SEVERE THUNDERSTORM WARNING FOR TRUMBULL COUNTY EXPIRED AT 915
PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA...HOWEVER SOME BRIEF HEAVY RAIN IS STILL POSSIBLE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4114 8097 4116 8100 4132 8101 4150 8082
      4150 8052 4116 8053 4113 8051
TIME...MOT...LOC 0039Z 270DEG 48KT 4149 8060 4119 8092

$$

MITCHELL

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.