Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 41, NWS Cleveland, OH

May 27, 2012Cuyahoga County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 27, 2012, 2:02 PM EDT for Cuyahoga County, Lake County, Ohio. It was in force for 43 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 27, 2012, 2:02 PM EDT (18:02 UTC)
Expired
May 27, 2012, 2:45 PM EDT
In force
43 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Cuyahoga County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 36 km from the middle of the area, began a volume at 18:06 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 27, 2:15 PM EDTTSTM WND DMG10 E Mentor, OHTREE AND WIRE DOWN ON LEROY ROAD IN LEROY.
May 27, 2:15 PM EDTTSTM WND DMGMadison, OHTREE LEANING ON WIRE.

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 27, 1:33 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.0 hours before the alert went out and 168 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 2012-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 993 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 2012-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
993 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

313 
WUUS51 KCLE 271802
SVRCLE
OHC035-085-271845-
/O.NEW.KCLE.SV.W.0041.120527T1802Z-120527T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
202 PM EDT SUN MAY 27 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CUYAHOGA COUNTY IN NORTHEAST OHIO
  LAKE COUNTY IN NORTHEAST OHIO

* UNTIL 245 PM EDT

* AT 156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING 
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE   LOCATED ALONG A LINE 
EXTENDING FROM 7 MILES NORTHWEST OF PERRY TO 8   MILES NORTHWEST OF 
EASTLAKE TO 14 MILES NORTHWEST OF LAKEWOOD...AND   MOVING SOUTH AT 
45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CLEVELAND...
  STRONGSVILLE...
  WESTLAKE...
  EUCLID...
  LAKEWOOD...
  CLEVELAND HEIGHTS...
  PARMA...
  SOLON...
  NORTH ROYALTON...

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 4172 8100 4171 8110 4164 8111 4164 8129
      4157 8130 4157 8139 4135 8139 4135 8159
      4128 8156 4127 8160 4127 8187 4135 8188
      4135 8190 4150 8198 4150 8175 4164 8149
      4174 8135 4186 8101
TIME...MOT...LOC 1802Z 341DEG 39KT 4177 8121 4166 8154
          4160 8189

$$

LAPLANTE
2 follow-up statements
788 
WWUS51 KCLE 271832
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
232 PM EDT SUN MAY 27 2012

OHC085-271841-
/O.CAN.KCLE.SV.W.0041.000000T0000Z-120527T1845Z/
LAKE OH-
232 PM EDT SUN MAY 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR LAKE COUNTY IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4157 8148 4157 8139 4135 8139 4135 8159
      4131 8159 4128 8156 4127 8160 4127 8187
      4135 8188 4135 8190 4149 8198 4150 8175
      4164 8149
TIME...MOT...LOC 1831Z 307DEG 10KT 4143 8140 4138 8152
          4134 8165

$$

OHC035-271845-
/O.CON.KCLE.SV.W.0041.000000T0000Z-120527T1845Z/
CUYAHOGA OH-
232 PM EDT SUN MAY 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR CUYAHOGA COUNTY...

AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BENTLEYVILLE TO BEDFORD TO BROADVIEW HEIGHTS...MOVING
SOUTHEAST AT 30 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...SOLON...
GLENWILLOW AND BRECKSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4157 8148 4157 8139 4135 8139 4135 8159
      4131 8159 4128 8156 4127 8160 4127 8187
      4135 8188 4135 8190 4149 8198 4150 8175
      4164 8149
TIME...MOT...LOC 1831Z 307DEG 10KT 4143 8140 4138 8152
          4134 8165

$$

MITCHELL
353 
WWUS51 KCLE 271841
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
241 PM EDT SUN MAY 27 2012

OHC035-271851-
/O.EXP.KCLE.SV.W.0041.000000T0000Z-120527T1845Z/
CUYAHOGA OH-
241 PM EDT SUN MAY 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR CUYAHOGA COUNTY EXPIRES AT 245
PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4157 8148 4157 8139 4135 8139 4135 8159
      4131 8159 4128 8156 4127 8160 4127 8187
      4135 8188 4135 8190 4149 8198 4150 8175
      4164 8149
TIME...MOT...LOC 1841Z 307DEG 10KT 4141 8137 4136 8149
          4132 8162

$$

LAPLANTE

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 1:05 PM EDTSpecial Marine WarningCLE115 min
May 27, 1:49 PM EDTSevere Thunderstorm WarningCLEGeauga41 min
May 27, 2:10 PM EDTSevere Thunderstorm WarningCLEAshtabula50 min
May 27, 2:14 PM EDTSpecial Marine WarningCLE50 min
May 27, 7:10 PM EDTSpecial Marine WarningCLE72 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.