Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 76, NWS Cleveland, OH

June 29, 2012Marion County, Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 29, 2012, 4:19 PM EDT for Marion County, Wyandot County, Ohio. It was in force for 56 min. 8 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
Jun 29, 2012, 4:19 PM EDT (20:19 UTC)
Expired
Jun 29, 2012, 5:15 PM EDT
In force
56 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Marion County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 142 km from the middle of the area, began a volume at 20:22 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
Jun 29, 4:25 PM EDTTSTM WND DMG2 Sw Kirby, OHDAMAGE OCCURRED ACROSS MUCH OF JACKSON TOWNSHIP IN SOUTHWEST WYANDOT COUNTY. THE ROOF WAS BLOWN OFF OF A COUPLE OF BARNS. ROOF SHINGLES AND SHEET METAL WAS BLOWN OFF SEVERAL BARNS AND HOUSES. NUMEROUS TREES WERE DOWNED. POWER LINES AND UTILITY POLES WERE DOWNE
Jun 29, 4:35 PM EDTTSTM WND DMG6 Wnw Marion, OHSEVERAL TREES AND LIMBS DOWN.
Jun 29, 4:40 PM EDTTSTM WND DMG4 N Marion, OHSEMI TRUCK ROLLED OVER.
Jun 29, 4:42 PM EDTTSTM WND DMG2 Sw Marion, OHTREES DOWNED. SHEET METAL STRIPPED OFF BARNS AND BARN ROOF.
Jun 29, 4:45 PM EDTHAIL 13 Ese Marion, OH
Jun 29, 4:47 PM EDTHAIL 1.751 E Marion, OH
Jun 29, 4:49 PM EDTHAIL 0.886 Ne Marion, OH
Jun 29, 4:54 PM EDTTSTM WND GST 62Marion, OHODOT GARAGE SENSOR.

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
Jun 29, 3:02 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 hours before the alert went out and 145 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 2012-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3674 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 12:00Z on 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 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
3674 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
-13 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.4

Open this sounding in Storm Lab

The text

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

251 
WUUS51 KCLE 292019
SVRCLE
OHC101-175-292115-
/O.NEW.KCLE.SV.W.0076.120629T2019Z-120629T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
419 PM EDT FRI JUN 29 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 515 PM EDT

* AT 412 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 80 MPH.  THE STORMS WERE 
LOCATED 23 MILES WEST OF MARSEILLES...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  UPPER SANDUSKY...
  SYCAMORE...
  MARION...
  MARSEILLES...
  LA RUE...
  MORRAL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM 
WINDOWS.

THESE STORMS HAVE 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 4043 8322 4045 8325 4050 8326 4051 8342
      4068 8342 4070 8350 4082 8351 4090 8352
      4091 8348 4099 8345 4100 8312 4070 8311
      4070 8285 4065 8287 4064 8296 4049 8296
      4049 8301 4043 8302
TIME...MOT...LOC 2018Z 287DEG 47KT 4077 8371

$$

BRAY
3 follow-up statements
059 
WWUS51 KCLE 292032
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
432 PM EDT FRI JUN 29 2012

OHC101-175-292115-
/O.CON.KCLE.SV.W.0076.000000T0000Z-120629T2115Z/
WYANDOT OH-MARION OH-
432 PM EDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR MARION AND WYANDOT COUNTIES...

AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 75 MPH. THIS STORM WAS LOCATED NEAR MARSEILLES...OR 8
MILES NORTHEAST OF KENTON...MOVING EAST AT 55 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...LA
RUE...MORRAL...HARPSTER...NEW BLOOMINGTON...GREEN CAMP...MARION AND
CALEDONIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. THIS IS
AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR NORTHERN OHIO.

&&

LAT...LON 4043 8322 4045 8325 4050 8326 4051 8342
      4068 8342 4070 8350 4082 8351 4090 8352
      4091 8348 4099 8345 4100 8312 4070 8311
      4070 8285 4065 8287 4064 8296 4049 8296
      4049 8301 4043 8302
TIME...MOT...LOC 2032Z 287DEG 47KT 4071 8348

$$

KUBINA
787 
WWUS51 KCLE 292049
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
449 PM EDT FRI JUN 29 2012

OHC101-175-292115-
/O.CON.KCLE.SV.W.0076.000000T0000Z-120629T2115Z/
WYANDOT OH-MARION OH-
449 PM EDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR MARION AND WYANDOT COUNTIES...

AT 444 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 75 MPH. THIS STORM WAS
LOCATED NEAR MORRAL...OR 10 MILES NORTHWEST OF MARION...MOVING EAST
AT 55 MPH.

QUARTER SIZED HAIL WAS REPORTED NEAR THE INTERSECTION SR 95 AND U.S. 
23 TO THE EAST OF MARION AT 445 PM EDT.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR NORTHERN OHIO.

&&

LAT...LON 4043 8322 4045 8325 4050 8326 4051 8342
      4068 8342 4070 8350 4082 8351 4090 8352
      4091 8348 4099 8345 4100 8312 4070 8311
      4070 8285 4065 8287 4064 8296 4049 8296
      4049 8301 4043 8302
TIME...MOT...LOC 2048Z 287DEG 47KT 4064 8322

$$

KUBINA
443 
WWUS51 KCLE 292114
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
514 PM EDT FRI JUN 29 2012

OHC101-175-292124-
/O.EXP.KCLE.SV.W.0076.000000T0000Z-120629T2115Z/
WYANDOT OH-MARION OH-
514 PM EDT FRI JUN 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR MARION AND WYANDOT COUNTIES
EXPIRES AT 515 PM EDT...

THERE HAVE BEEN MANY REPORTS OF WIND DAMAGE AND EVEN SOME REPORTS OF 
HAIL IN MARION COUNTY. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR NORTHERN OHIO.

LAT...LON 4043 8322 4045 8325 4050 8326 4051 8342
      4068 8342 4070 8350 4082 8351 4090 8352
      4091 8348 4099 8345 4100 8312 4070 8311
      4070 8285 4065 8287 4064 8296 4049 8296
      4049 8301 4043 8302
TIME...MOT...LOC 2114Z 287DEG 47KT 4054 8279

$$

KUBINA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 11:19 PM EDTSevere Thunderstorm WarningCLEAshtabula, Trumbull56 min
Jun 29, 12:05 AM EDTSevere Thunderstorm WarningCLEAshtabula55 min
Jun 29, 3:59 AM EDTHeat AdvisoryCLEAshland, Crawford, Cuyahoga, Erie, Hancock, Holmes and 19 more11 hr
Jun 29, 3:49 PM EDTSevere Thunderstorm WarningCLEHancock, Wood56 min
Jun 29, 4:33 PM EDTSevere Thunderstorm WarningCLESeneca43 min
Jun 29, 4:40 PM EDTSevere Thunderstorm WarningCLEHancock16 min
Jun 29, 4:42 PM EDTSevere Thunderstorm WarningCLECrawford, Morrow50 min
Jun 29, 4:55 PM EDTSevere Thunderstorm WarningCLEKnox, Richland61 min
Jun 29, 5:08 PM EDTSevere Thunderstorm WarningCLEAshland55 min
Jun 29, 5:20 PM EDTSevere Thunderstorm WarningCLEHolmes56 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.