Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 152, NWS Cleveland, OH

August 4, 2012Hancock County, Lucas County, Wood County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 4, 2012, 9:19 PM EDT for Hancock County, Lucas County, Wood County, Ohio. It was in force for 71 min. 5 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 4, 2012, 9:19 PM EDT (01:19 UTC)
Expired
Aug 4, 2012, 10:30 PM EDT
In force
71 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Hancock County, OH, Lucas County, OH, Wood County, OH

The radar

The Cleveland radar (KCLE), 138 km from the middle of the area, began a volume at 01:20 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 4, 9:40 PM EDTTSTM WND DMGMaumee, OHLARGE TREE UPROOTED AND FELL ON A HOUSE.
Aug 4, 9:45 PM EDTTSTM WND DMGHolland, OHLARGE TREE BRANCH DOWN.
Aug 4, 10:00 PM EDTTSTM WND DMGHolland, OHTELEPHONE POLES DOWN.
Aug 4, 10:00 PM EDTTSTM WND GST 70Toledo, OH
Aug 4, 10:05 PM EDTTSTM WND DMGHolland, OHTELEPHONE POLES DOWN.

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 4, 7:50 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 1.3 hours before the alert went out and 149 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 00:00Z on 2012-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1163 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, Detroit, MI at 00:00Z on 2012-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
1163 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

293 
WUUS51 KCLE 050119
SVRCLE
OHC063-095-173-050230-
/O.NEW.KCLE.SV.W.0152.120805T0119Z-120805T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
919 PM EDT SAT AUG 4 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 1030 PM EDT

* AT 914 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 75 MPH.  THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM 14 MILES WEST OF SYLVANIA
  TO 11 MILES NORTHWEST OF CUSTAR TO 27 MILES SOUTHWEST OF RAWSON...
  AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SYLVANIA...
  CUSTAR...
  WATERVILLE...
  TOLEDO...
  BOWLING GREEN...
  FINDLAY...
  WHITEHOUSE...
  WESTON...
  HOLLAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE 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 4172 8389 4174 8345 4172 8341 4170 8342
      4169 8338 4172 8334 4163 8316 4162 8341
      4099 8342 4099 8346 4091 8348 4090 8352
      4082 8351 4081 8388
TIME...MOT...LOC 0119Z 262DEG 41KT 4171 8391 4137 8396
          4081 8418

$$

LAPLANTE
2 follow-up statements
868 
WWUS51 KCLE 050208
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1008 PM EDT SAT AUG 4 2012

OHC063-095-173-050230-
/O.CON.KCLE.SV.W.0152.000000T0000Z-120805T0230Z/
HANCOCK OH-WOOD OH-LUCAS OH-
1008 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR LUCAS...WOOD AND HANCOCK COUNTIES...

AT 1003 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 75 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM TOLEDO TO JERRY CITY TO
MOUNT BLANCHARD...MOVING EAST AT 45 MPH.

A MEDIA SOURCE INDICATED ESTIMATED WINDS AT 70 MPH NEAR SOUTH TOLEDO.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...RURAL
NORTHEASTERN LUCAS COUNTY AND RURAL EASTERN LUCAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT SUNDAY
MORNING FOR NORTHWESTERN OHIO.

&&

LAT...LON 4172 8389 4174 8345 4172 8341 4170 8342
      4169 8338 4172 8334 4163 8316 4162 8341
      4099 8342 4099 8346 4091 8348 4090 8352
      4082 8351 4081 8388
TIME...MOT...LOC 0207Z 262DEG 41KT 4167 8348 4130 8350
          4089 8345

$$

LOMBARDY
766 
WWUS51 KCLE 050228
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1028 PM EDT SAT AUG 4 2012

OHC063-095-173-050238-
/O.EXP.KCLE.SV.W.0152.000000T0000Z-120805T0230Z/
HANCOCK OH-WOOD OH-LUCAS OH-
1028 PM EDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR LUCAS...WOOD AND HANCOCK
COUNTIES EXPIRES AT 1030 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT SUNDAY
MORNING FOR NORTHWESTERN OHIO.

LAT...LON 4172 8389 4174 8345 4172 8341 4170 8342
      4169 8338 4172 8334 4163 8316 4162 8341
      4099 8342 4099 8346 4091 8348 4090 8352
      4082 8351 4081 8388
TIME...MOT...LOC 0228Z 262DEG 41KT 4170 8316 4133 8318
          4092 8313

$$

LOMBARDY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 8:09 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky55 min
Aug 4, 8:22 PM EDTSpecial Marine WarningCLE113 min
Aug 4, 10:00 PM EDTSpecial Marine WarningCLE2 hr
Aug 4, 10:04 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky, Seneca, Wyandot71 min
Aug 4, 10:37 PM EDTSevere Thunderstorm WarningCLEMarion53 min
Aug 4, 10:43 PM EDTSevere Thunderstorm WarningCLECrawford, Erie, Huron62 min
Aug 4, 11:30 PM EDTSevere Thunderstorm WarningCLEAshland, Lorain, Medina40 min
Aug 4, 11:44 PM EDTSevere Thunderstorm WarningCLEWayne61 min
Aug 4, 11:50 PM EDTSpecial Marine WarningCLE100 min
Aug 4, 11:51 PM EDTSevere Thunderstorm WarningCLECuyahoga22 min
Aug 4, 11:56 PM EDTSevere Thunderstorm WarningCLEKnox47 min
Aug 5, 11:19 AM EDTSpecial Marine WarningCLE86 min
Aug 5, 2:42 PM EDTTornado WarningCLETrumbull18 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Every severe thunderstorm warning in 2012

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.