Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 264, NWS Cleveland, OH

August 24, 2011Hancock County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 24, 2011, 11:07 PM EDT for Hancock County, Ohio. It was in force for 53 min. 1 report 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 24, 2011, 11:07 PM EDT (03:07 UTC)
Expired
Aug 25, 2011, 12:00 AM EDT
In force
53 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Hancock County, OH

The radar

The Cleveland radar (KCLE), 151 km from the middle of the area, began a volume at 03:07 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 24, 11:10 PM EDTTSTM WND GST 58Findlay, OH

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
Aug 24, 9:18 PM EDTSevere Thunderstorm WatchSPC6 hr
Aug 24, 10:27 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.1 hours before the alert went out and 174 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, Cncnati-Daytn, OH at 00:00Z on 2011-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3854 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, Cncnati-Daytn, OH at 00:00Z on 2011-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
3854 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1316 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
1.8
Supercell composite
15.7

Open this sounding in Storm Lab

The text

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

928 
WUUS51 KCLE 250307
SVRCLE
OHC063-250400-
/O.NEW.KCLE.SV.W.0264.110825T0307Z-110825T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1107 PM EDT WED AUG 24 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN NORTHWEST OHIO

* UNTIL MIDNIGHT EDT

* AT 1103 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM VAN BUREN TO 7 MILES SOUTHWEST
  OF RAWSON...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VANLUE...

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 4117 8377 4117 8342 4103 8342 4099 8344
      4099 8346 4095 8346 4095 8348 4090 8348
      4090 8352 4083 8352 4081 8388 4094 8389
TIME...MOT...LOC 0308Z 275DEG 40KT 4113 8354 4086 8375

$$

LAPLANTE
1 follow-up statement
947 
WWUS51 KCLE 250324
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1124 PM EDT WED AUG 24 2011

OHC063-250400-
/O.CON.KCLE.SV.W.0264.000000T0000Z-110825T0400Z/
HANCOCK OH-
1124 PM EDT WED AUG 24 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR HANCOCK COUNTY...

AT 1050 PM EDT...TRAINED WEATHER SPOTTERS NEAR LUCKEY REPORTED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN 
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM 8 MILES EAST OF ARCADIA TO MOUNT BLANCHARD...MOVING EAST AT 45 
MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE....

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EDT THURSDAY MORNING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4117 8377 4117 8342 4103 8342 4099 8344
      4099 8346 4095 8346 4095 8348 4090 8348
      4090 8352 4083 8352 4081 8388 4094 8389
TIME...MOT...LOC 0324Z 275DEG 40KT 4111 8330 4084 8352

$$

SCHULER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 9:52 PM EDTSpecial Marine WarningCLE113 min
Aug 24, 10:11 PM EDTSevere Thunderstorm WarningCLELucas, Wood64 min
Aug 24, 11:04 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky41 min
Aug 24, 11:13 PM EDTAreal Flood AdvisoryCLEHancock, Lucas, Sandusky, Seneca, Wood3 hr
Aug 24, 11:14 PM EDTSevere Thunderstorm WarningCLESeneca, Wood61 min
Aug 24, 11:27 PM EDTSpecial Marine WarningCLE2 hr
Aug 24, 11:30 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake75 min
Aug 24, 11:31 PM EDTSevere Thunderstorm WarningCLEWyandot44 min
Aug 24, 11:35 PM EDTSevere Thunderstorm WarningCLEErie, Huron40 min
Aug 24, 11:49 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain, Medina71 min
Aug 24, 11:53 PM EDTSevere Thunderstorm WarningCLECrawford, Marion42 min
Aug 25, 12:01 AM EDTSevere Thunderstorm WarningCLEAshland, Richland59 min
Aug 25, 12:26 AM EDTSevere Thunderstorm WarningCLEGeauga, Portage, Summit, Wayne79 min
Aug 25, 12:32 AM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Lake3 hr
Aug 25, 12:41 AM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake79 min
Aug 25, 1:09 AM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull66 min
Aug 25, 1:12 AM EDTSevere Thunderstorm WarningCLEStark48 min
Aug 25, 1:27 AM EDTTornado WarningCLETrumbull25 min
Aug 25, 1:31 AM EDTAreal Flood WarningCLEAshtabula3 hr
Aug 25, 1:36 AM EDTAreal Flood AdvisoryCLEMahoning, Trumbull3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.