Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 17, NWS Cleveland, OH

April 27, 2011Ashland County, Huron County, Lorain County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 27, 2011, 12:34 PM EDT for Ashland County, Huron County, Lorain County, Ohio. It was in force for 41 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, 12:34 PM EDT (16:34 UTC)
Expired
Apr 27, 2011, 1:15 PM EDT
In force
41 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashland County, OH, Huron County, OH, Lorain County, OH

The radar

The Cleveland radar (KCLE), 47 km from the middle of the area, began a volume at 16:37 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, 4.6 hours before the alert went out and 188 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.

523 
WUUS51 KCLE 271634
SVRCLE
OHC005-077-093-271715-
/O.NEW.KCLE.SV.W.0017.110427T1634Z-110427T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1234 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHLAND COUNTY IN NORTH CENTRAL OHIO
  NORTHEASTERN HURON COUNTY IN NORTH CENTRAL OHIO
  LORAIN COUNTY IN NORTH CENTRAL OHIO

* UNTIL 115 PM EDT

* AT 1232 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 VERMILION TO ASHLAND...AND MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LORAIN...
  ELYRIA...
  POLK...
  VERMILION...
  WELLINGTON...
  AMHERST...
  GRAFTON...
  NORTH RIDGEVILLE...

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 4072 8234 4082 8242 4128 8244 4129 8234
      4144 8233 4152 8196 4136 8197 4135 8188
      4128 8188 4127 8197 4120 8198 4120 8207
      4114 8208 4114 8217 4099 8217 4099 8213
      4067 8212 4066 8222 4057 8222 4056 8233
TIME...MOT...LOC 1634Z 205DEG 43KT 4138 8237 4090 8235

$$

LAPLANTE
1 follow-up statement
404 
WWUS51 KCLE 271648
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1248 PM EDT WED APR 27 2011

OHC005-077-093-271715-
/O.CON.KCLE.SV.W.0017.000000T0000Z-110427T1715Z/
ASHLAND OH-HURON OH-LORAIN OH-
1248 PM EDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR LORAIN...HURON AND ASHLAND COUNTIES...

AT 1246 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 7 MILES NORTH OF VERMILION TO 6 MILES NORTHWEST OF
POLK...MOVING NORTHEAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO    
ASHLAND...LORAIN...ELYRIA...

THE GENERAL PUBLIC ESTIMATED 60 MPH WINDS IN ASHLAND AT 1235PM EDT.  

LAT...LON 4072 8234 4082 8242 4128 8244 4129 8234
      4144 8233 4152 8196 4136 8197 4135 8188
      4128 8188 4127 8197 4120 8198 4120 8207
      4114 8208 4114 8217 4099 8217 4099 8213
      4067 8212 4066 8222 4057 8222 4056 8233
TIME...MOT...LOC 1647Z 205DEG 43KT 4152 8228 4104 8226

$$

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, 12:51 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain, Medina, Wayne39 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.