Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 249, NWS Cleveland, OH

August 18, 2011Lucas County, Ottawa County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 18, 2011, 6:27 PM EDT for Lucas County, Ottawa County, Ohio. It was in force for 63 min. 4 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
Aug 18, 2011, 6:27 PM EDT (22:27 UTC)
Expired
Aug 18, 2011, 7:30 PM EDT
In force
63 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Lucas County, OH, Ottawa County, OH

The radar

The Detroit radar (KDTX), 115 km from the middle of the area, began a volume at 22:29 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
Aug 18, 7:07 PM EDTHAIL 11 N Toledo, OHTRAINED SPOTTERS REPORTED QUARTER SIZE HAIL.
Aug 18, 7:10 PM EDTHAIL 0.88Toledo, OHPEA TO NICKEL SIZE HAIL REPORTED DOWNTOWN TOLEDO.
Aug 18, 7:20 PM EDTHAIL 1N Toledo, OHPUBLIC REPORTED QUARTER SIZE HAIL.
Aug 18, 7:30 PM EDTTSTM WND DMG1 N Toledo, OHA FEW LARGE TREE LIMBS DOWN.

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

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.5 hours before the alert went out and 117 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, Detroit, MI at 12:00Z on 2011-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 743 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, Detroit, MI at 12:00Z on 2011-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
743 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1028 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
54 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.

520 
WUUS51 KCLE 182227
SVRCLE
OHC095-123-182330-
/O.NEW.KCLE.SV.W.0249.110818T2227Z-110818T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
627 PM EDT THU AUG 18 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LUCAS COUNTY IN NORTHWEST OHIO
  NORTHWESTERN OTTAWA COUNTY IN NORTHWEST OHIO

* UNTIL 730 PM EDT

* AT 625 PM 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 NEAR
  OREGON...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  OREGON...

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 4174 8359 4174 8345 4173 8341 4170 8342
      4169 8338 4171 8333 4164 8318 4175 8310
      4174 8309 4164 8317 4161 8308 4156 8302
      4159 8341 4162 8342 4162 8357 4160 8360
TIME...MOT...LOC 2227Z 279DEG 13KT 4170 8347

$$

KUBINA
2 follow-up statements
851 
WWUS51 KCLE 182245
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
645 PM EDT THU AUG 18 2011

OHC095-123-182330-
/O.CON.KCLE.SV.W.0249.000000T0000Z-110818T2330Z/
LUCAS OH-OTTAWA OH-
645 PM EDT THU AUG 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN OTTAWA AND NORTHEASTERN LUCAS COUNTIES...

AT 628 PM EDT...TRAINED WEATHER SPOTTERS IN THE TOLEDO AREA REPORTED 
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE GOLF BALL AND 
HEN EGG SIZE HAIL. THIS STORM WAS LOCATED NEAR OREGON...OR 10 MILES 
EAST OF TOLEDO...MOVING EAST AT 15 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...RURAL
NORTHEASTERN LUCAS COUNTY...RURAL EASTERN LUCAS COUNTY AND RURAL
NORTHWESTERN OTTAWA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4174 8359 4174 8345 4173 8341 4170 8342
      4169 8338 4171 8333 4164 8318 4175 8310
      4174 8309 4164 8317 4161 8308 4156 8302
      4159 8341 4162 8342 4162 8357 4160 8360
TIME...MOT...LOC 2245Z 279DEG 13KT 4169 8338

$$

SCHULER
226 
WWUS51 KCLE 182259
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
659 PM EDT THU AUG 18 2011

OHC095-123-182330-
/O.CON.KCLE.SV.W.0249.000000T0000Z-110818T2330Z/
LUCAS OH-OTTAWA OH-
659 PM EDT THU AUG 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN OTTAWA AND NORTHEASTERN LUCAS COUNTIES...

AT 657 PM EDT...TRAINED WEATHER SPOTTERS IN THE TOLEDO METRO AREA 
REPORTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE GOLF 
BALL SIZE HAIL. THIS STORM WAS LOCATED NEAR OREGON...OR 13 MILES 
EAST OF TOLEDO...MOVING EAST AT 15 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...RURAL
EASTERN LUCAS COUNTY AND RURAL NORTHWESTERN OTTAWA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4174 8359 4174 8345 4173 8341 4170 8342
      4169 8338 4171 8333 4164 8318 4175 8310
      4174 8309 4164 8317 4161 8308 4156 8302
      4159 8341 4162 8342 4162 8357 4160 8360
TIME...MOT...LOC 2258Z 279DEG 13KT 4168 8332

$$

SCHULER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 5:30 PM EDTSpecial Marine WarningCLE2 hr
Aug 18, 6:30 PM EDTSpecial Marine WarningCLE2 hr
Aug 18, 6:49 PM EDTAreal Flood WarningCLELucas3 hr
Aug 18, 7:04 PM EDTFlash Flood WarningCLELucas3 hr
Aug 18, 7:28 PM EDTSevere Thunderstorm WarningCLELucas47 min
Aug 18, 7:58 PM EDTSevere Thunderstorm WarningCLEOttawa, Wood62 min

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.