Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 239, NWS Cleveland, OH

August 9, 2011Hancock County, Wood County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 9, 2011, 6:50 PM EDT for Hancock County, Wood County, Ohio. It was in force for 40 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
Aug 9, 2011, 6:50 PM EDT (22:50 UTC)
Expired
Aug 9, 2011, 7:30 PM EDT
In force
40 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Hancock County, OH, Wood County, OH

The radar

The Cleveland radar (KCLE), 147 km from the middle of the area, began a volume at 22:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 9, 3:28 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.8 hours before the alert went out and 166 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 2011-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 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 2011-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
22 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
76 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.

425 
WUUS51 KCLE 092250
SVRCLE
OHC063-173-092330-
/O.NEW.KCLE.SV.W.0239.110809T2250Z-110809T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
650 PM EDT TUE AUG 9 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HANCOCK COUNTY IN NORTHWEST OHIO
  SOUTHERN WOOD COUNTY IN NORTHWEST OHIO

* UNTIL 730 PM EDT

* AT 644 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR CUSTAR...AND MOVING EAST AT
  35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BOWLING GREEN...
  FINDLAY...
  VAN BUREN...
  ARCADIA...

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 4140 8342 4100 8343 4099 8388 4137 8388
TIME...MOT...LOC 2249Z 272DEG 32KT 4122 8373

$$

MULLEN
1 follow-up statement
766 
WWUS51 KCLE 092309
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
709 PM EDT TUE AUG 9 2011

OHC063-173-092330-
/O.CON.KCLE.SV.W.0239.000000T0000Z-110809T2330Z/
HANCOCK OH-WOOD OH-
709 PM EDT TUE AUG 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHERN WOOD AND NORTHERN HANCOCK COUNTIES...

AT 708 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WEST MILLGROVE...OR 6
MILES NORTHWEST OF FOSTORIA...MOVING EAST AT 35 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NORTHWESTERN OHIO. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL MIDNIGHT EDT WEDNESDAY MORNING FOR
NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4133 8343 4100 8343 4099 8388 4130 8387
TIME...MOT...LOC 2309Z 272DEG 32KT 4121 8349

$$

SCHULER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 2:56 PM EDTSmall Craft AdvisoryCLE49 hr
Aug 9, 4:46 PM EDTSpecial Marine WarningCLE89 min
Aug 9, 6:14 PM EDTSpecial Marine WarningCLE2 hr
Aug 9, 6:19 PM EDTSevere Thunderstorm WarningCLESandusky, Seneca41 min
Aug 9, 6:36 PM EDTSevere Thunderstorm WarningCLEErie, Huron39 min
Aug 9, 7:00 PM EDTSevere Thunderstorm WarningCLEHuron, Sandusky, Seneca45 min
Aug 9, 7:06 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain69 min
Aug 9, 7:16 PM EDTSpecial Marine WarningCLE119 min
Aug 9, 7:24 PM EDTSevere Thunderstorm WarningCLEErie, Huron, Lorain, Medina36 min
Aug 9, 7:44 PM EDTSevere Thunderstorm WarningCLEAshland, Crawford, Huron, Richland, Seneca46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.