Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 46, NWS Cleveland, OH

May 29, 2012Stark County, Summit County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 29, 2012, 10:16 AM EDT for Stark County, Summit County, Ohio. It was in force for 44 min. 2 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, 2012, 10:16 AM EDT (14:16 UTC)
Expired
May 29, 2012, 11:00 AM EDT
In force
44 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Stark County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 62 km from the middle of the area, began a volume at 14:20 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, 10:58 AM EDTHAIL 1Alliance, OH
May 29, 11:04 AM EDTHAIL 1Alliance, OH

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 2.3 hours before the alert went out and 129 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 2012-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1123 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2012-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
1123 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
1071 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

986 
WUUS51 KCLE 291416
SVRCLE
OHC151-153-291500-
/O.NEW.KCLE.SV.W.0046.120529T1416Z-120529T1500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1016 AM EDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STARK COUNTY IN NORTHEAST OHIO
  SUMMIT COUNTY IN NORTHEAST OHIO

* UNTIL 1100 AM EDT

* AT 1011 AM 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 9 MILES
  NORTHWEST OF BREWSTER...AND MOVING NORTHEAST AT 35 MPH.

  ANOTHER STORM WAS LOCATED NEAR RICHFIELD ALSO MOVING NORTHEAST AT 
35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CANTON...
  AKRON...
  MASSILLON...
  BARBERTON...
  EAST SPARTA...
  NORTH CANTON...
  WAYNESBURG...
  HARTVILLE...
  MOGADORE...
  LOUISVILLE...
  CUYAHOGA FALLS...

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 4098 8165 4099 8169 4127 8168 4128 8156
      4135 8159 4134 8139 4099 8139 4099 8109
      4074 8108 4072 8123 4065 8124 4065 8144
      4066 8146 4064 8165
TIME...MOT...LOC 1415Z 242DEG 30KT 4084 8165

$$

LAPLANTE
2 follow-up statements
453 
WWUS51 KCLE 291429
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1029 AM EDT TUE MAY 29 2012

OHC151-153-291500-
/O.CON.KCLE.SV.W.0046.000000T0000Z-120529T1500Z/
STARK OH-SUMMIT OH-
1029 AM EDT TUE MAY 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR SUMMIT AND STARK COUNTIES...

AT 1024 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE 
STORMS WERE LOCATED BETWEEN AKRON AND CANTON...MOVING NORTHEAST AT 
35 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
LAKEMORE...UNIONTOWN...MOGADORE...TALLMADGE...HARTVILLE AND MUNROE
FALLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4098 8165 4099 8169 4127 8168 4128 8156
      4135 8159 4134 8139 4099 8139 4099 8109
      4074 8108 4072 8123 4065 8124 4065 8144
      4066 8146 4064 8165
TIME...MOT...LOC 1428Z 242DEG 30KT 4100 8149

$$

SJAMISON
212 
WWUS51 KCLE 291446
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1046 AM EDT TUE MAY 29 2012

OHC151-153-291500-
/O.CON.KCLE.SV.W.0046.000000T0000Z-120529T1500Z/
STARK OH-SUMMIT OH-
1046 AM EDT TUE MAY 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR SUMMIT AND STARK COUNTIES...

AT 1042 AM 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 GREENTOWN...OR 7 MILES NORTH OF CANTON...
MOVING NORTHEAST AT 30 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
LIMAVILLE AND ALLIANCE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4098 8165 4099 8169 4127 8168 4128 8156
      4135 8159 4134 8139 4099 8139 4099 8109
      4074 8108 4072 8123 4065 8124 4065 8144
      4066 8146 4064 8165
TIME...MOT...LOC 1446Z 245DEG 28KT 4093 8132

$$

SJAMISON

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 5:07 AM EDTSpecial Marine WarningCLE113 min
May 29, 6:52 AM EDTSpecial Marine WarningCLE113 min
May 29, 8:11 AM EDTSpecial Marine WarningCLE2 hr
May 29, 9:49 AM EDTSevere Thunderstorm WarningCLEWayne41 min
May 29, 10:22 AM EDTSevere Thunderstorm WarningCLEHolmes29 min
May 29, 10:32 AM EDTSevere Thunderstorm WarningCLEPortage43 min
May 29, 10:41 AM EDTSevere Thunderstorm WarningCLETrumbull49 min
May 29, 10:47 AM EDTSevere Thunderstorm WarningCLEAshtabula43 min
May 29, 10:50 AM EDTSevere Thunderstorm WarningCLEMahoning55 min
May 29, 10:55 AM EDTSevere Thunderstorm WarningCLEStark26 min
May 29, 11:22 AM EDTSevere Thunderstorm WarningCLETrumbull38 min
May 29, 5:56 PM EDTSevere Thunderstorm WarningCLEMahoning38 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Every severe thunderstorm warning in 2012

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.