Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 18, NWS Cleveland, OH

April 27, 20114 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 27, 2011, 12:51 PM EDT for 4 counties in Ohio. It was in force for 39 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
Apr 27, 2011, 12:51 PM EDT (16:51 UTC)
Expired
Apr 27, 2011, 1:30 PM EDT
In force
39 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Cuyahoga County, OH, Lorain County, OH, Medina County, OH, Wayne County, OH

The radar

The Cleveland radar (KCLE), 17 km from the middle of the area, began a volume at 16:50 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 nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 4.9 hours before the alert went out and 171 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 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 393 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 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.19395878Sfc1 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
393 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1147 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

031 
WUUS51 KCLE 271651
SVRCLE
OHC035-093-103-169-271730-
/O.NEW.KCLE.SV.W.0018.110427T1651Z-110427T1730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1251 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN LORAIN COUNTY IN NORTH CENTRAL OHIO
  CUYAHOGA COUNTY IN NORTHEAST OHIO
  MEDINA COUNTY IN NORTHEAST OHIO
  NORTHERN WAYNE COUNTY IN NORTHEAST OHIO

* UNTIL 130 PM EDT

* AT 1250 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 ELYRIA TO WEST SALEM...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LITCHFIELD...
  MEDINA...
  STRONGSVILLE...
  RITTMAN...
  CLEVELAND...
  LODI...
  GRAFTON...
  NORTH RIDGEVILLE...
  CRESTON...
  AVON LAKE...

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 4089 8212 4099 8213 4099 8216 4113 8218
      4149 8214 4152 8203 4149 8192 4150 8173
      4157 8160 4160 8149 4158 8149 4157 8146
      4135 8141 4135 8159 4128 8157 4128 8169
      4099 8169 4098 8165 4096 8165
TIME...MOT...LOC 1651Z 252DEG 37KT 4134 8217 4091 8207

$$

LAPLANTE
1 follow-up statement
293 
WWUS51 KCLE 271714
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
114 PM EDT WED APR 27 2011

OHC035-093-103-169-271730-
/O.CON.KCLE.SV.W.0018.000000T0000Z-110427T1730Z/
CUYAHOGA OH-LORAIN OH-MEDINA OH-WAYNE OH-
114 PM EDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM EDT
FOR WAYNE...MEDINA...LORAIN AND CUYAHOGA COUNTIES...

AT 113 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 NORTH OLMSTED TO RITTMAN...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  RITTMAN...            MEDINA...             LITCHFIELD...
  ELYRIA...             STRONGSVILLE...       CLEVELAND...

LAT...LON 4089 8212 4099 8213 4099 8216 4113 8218
      4149 8214 4152 8203 4149 8192 4150 8173
      4157 8160 4160 8149 4158 8149 4157 8146
      4135 8141 4135 8159 4128 8157 4128 8169
      4099 8169 4098 8165 4096 8165
TIME...MOT...LOC 1714Z 252DEG 37KT 4141 8187 4098 8177

$$

KUBINA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 11:25 AM EDTTornado WarningCLELucas, Wood17 min
Apr 27, 11:56 AM EDTSevere Thunderstorm WarningCLEKnox, Morrow, Richland49 min
Apr 27, 12:13 PM EDTSevere Thunderstorm WarningCLEAshland, Knox, Richland33 min
Apr 27, 12:34 PM EDTSevere Thunderstorm WarningCLEAshland, Huron, Lorain41 min
Apr 27, 1:04 PM EDTSpecial Marine WarningCLE116 min
Apr 27, 1:19 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina, Summit41 min
Apr 27, 1:40 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake50 min
Apr 27, 2:26 PM EDTSpecial Marine WarningCLE64 min
Apr 27, 2:27 PM EDTSmall Craft AdvisoryCLE7 hr
Apr 27, 4:53 PM EDTRiver Flood WarningCLEMahoning5 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.