Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 176, NWS Cleveland, OH

September 7, 2012Crawford County, Marion County, Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 7, 2012, 3:13 PM EDT for Crawford County, Marion County, Wyandot County, Ohio. It was in force for 62 min. 2 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
Sep 7, 2012, 3:13 PM EDT (19:13 UTC)
Expired
Sep 7, 2012, 4:15 PM EDT
In force
62 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Crawford County, OH, Marion County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 139 km from the middle of the area, began a volume at 19:13 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
Sep 7, 3:20 PM EDTHAIL 0.75Morral, OH
Sep 7, 3:25 PM EDTHAIL 1.253 S Morral, 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
Sep 7, 11:36 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.2 hours before the alert went out and 144 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 12:00Z on 2012-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1535 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, Cncnati-Daytn, OH at 12:00Z on 2012-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1535 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
930 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

505 
WUUS51 KCLE 071913
SVRCLE
OHC033-101-175-072015-
/O.NEW.KCLE.SV.W.0176.120907T1913Z-120907T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
313 PM EDT FRI SEP 7 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN NORTH CENTRAL OHIO
  MARION COUNTY IN NORTH CENTRAL OHIO
  SOUTHERN WYANDOT COUNTY IN NORTHWEST OHIO

* UNTIL 415 PM EDT

* AT 304 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
  MORRAL...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUCYRUS...
  WALDO...
  GALION...
  CRESTLINE...

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 4045 8325 4051 8325 4050 8342 4068 8343
      4070 8345 4070 8350 4082 8350 4098 8273
      4071 8274 4071 8285 4065 8287 4064 8296
      4049 8296 4049 8301 4043 8302
TIME...MOT...LOC 1914Z 264DEG 29KT 4070 8319

$$

LAPLANTE
3 follow-up statements
897 
WWUS51 KCLE 071929
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
329 PM EDT FRI SEP 7 2012

OHC033-101-175-072015-
/O.CON.KCLE.SV.W.0176.000000T0000Z-120907T2015Z/
WYANDOT OH-CRAWFORD OH-MARION OH-
329 PM EDT FRI SEP 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR MARION AND CRAWFORD COUNTIES IN NORTH CENTRAL OHIO...AND SOUTHERN
WYANDOT COUNTY IN NORTHWEST OHIO...

AT 323 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
6 MILES EAST OF MORRAL...OR 9 MILES NORTH OF MARION...MOVING EAST AT
35 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
BUCYRUS...NORTH ROBINSON...GALION AND CRESTLINE.

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT FRIDAY
EVENING FOR NORTHWESTERN OHIO. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR NORTHEASTERN
OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4045 8325 4051 8325 4050 8342 4068 8343
      4070 8345 4070 8350 4082 8350 4098 8273
      4071 8274 4071 8285 4065 8287 4064 8296
      4049 8296 4049 8301 4043 8302
TIME...MOT...LOC 1929Z 264DEG 29KT 4071 8303

$$

MAYERS
230 
WWUS51 KCLE 071938
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
338 PM EDT FRI SEP 7 2012

OHC033-101-175-072015-
/O.CON.KCLE.SV.W.0176.000000T0000Z-120907T2015Z/
WYANDOT OH-CRAWFORD OH-MARION OH-
338 PM EDT FRI SEP 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR MARION AND CRAWFORD COUNTIES IN NORTH CENTRAL OHIO...AND
SOUTHEASTERN WYANDOT COUNTY IN NORTHWEST OHIO...

AT 333 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 6 MILES NORTHWEST OF CALEDONIA...OR 7 MILES
SOUTHWEST OF BUCYRUS...MOVING EAST AT 35 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...NORTH
ROBINSON...GALION AND CRESTLINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT FRIDAY
EVENING FOR NORTHWESTERN OHIO. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR NORTHEASTERN
OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4045 8325 4051 8325 4051 8338 4092 8304
      4098 8273 4071 8274 4071 8285 4065 8287
      4064 8296 4049 8296 4049 8301 4043 8302
TIME...MOT...LOC 1938Z 264DEG 29KT 4071 8298

$$

MAYERS
876 
WWUS51 KCLE 072007
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
407 PM EDT FRI SEP 7 2012

OHC033-175-072016-
/O.CAN.KCLE.SV.W.0176.000000T0000Z-120907T2015Z/
WYANDOT OH-CRAWFORD OH-
407 PM EDT FRI SEP 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR CRAWFORD COUNTY IN NORTH
CENTRAL OHIO...AND SOUTHEASTERN WYANDOT COUNTY IN NORTHWEST OHIO IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4045 8325 4051 8325 4062 8314 4064 8296
      4049 8296 4049 8301 4043 8302
TIME...MOT...LOC 2006Z 255DEG 10KT 4048 8319

$$

OHC101-072015-
/O.CON.KCLE.SV.W.0176.000000T0000Z-120907T2015Z/
MARION OH-
407 PM EDT FRI SEP 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CENTRAL MARION COUNTY...

AT 404 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR PROSPECT...OR 8 MILES SOUTHWEST OF
MARION...MOVING EAST AT 10 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...WALDO
AND MARION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4045 8325 4051 8325 4062 8314 4064 8296
      4049 8296 4049 8301 4043 8302
TIME...MOT...LOC 2006Z 255DEG 10KT 4048 8319

$$

MAYERS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 2:12 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina, Summit48 min
Sep 7, 2:17 PM EDTSevere Thunderstorm WarningCLEHancock, Wood58 min
Sep 7, 2:51 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Seneca54 min
Sep 7, 3:18 PM EDTSevere Thunderstorm WarningCLEErie, Huron57 min
Sep 7, 3:28 PM EDTSpecial Marine WarningCLE77 min
Sep 7, 3:44 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Seneca19 min
Sep 7, 4:26 PM EDTGale WarningCLE23 hr
Sep 7, 4:29 PM EDTSevere Thunderstorm WarningCLESummit46 min
Sep 7, 4:46 PM EDTSevere Thunderstorm WarningCLEMedina29 min
Sep 7, 4:49 PM EDTSevere Thunderstorm WarningCLEPortage56 min
Sep 7, 5:52 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Stark, Trumbull53 min
Sep 7, 6:26 PM EDTAreal Flood AdvisoryCLEMahoning, Trumbull81 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.