Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 169, NWS Cleveland, OH

August 10, 2012Sandusky County, Seneca County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 10, 2012, 1:02 AM EDT for Sandusky County, Seneca County, Ohio. It was in force for 58 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 10, 2012, 1:02 AM EDT (05:02 UTC)
Expired: Aug 10, 2012, 2:00 AM EDT
In force: 58 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Sandusky County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 103 km from the middle of the area, began a volume at 05:02 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

Time	Report	Where	Remark
Aug 10, 1:24 AM EDT	TSTM WND GST 58	2 E Risingsun, OH

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 5.0 hours before the alert went out and 150 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 54 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 473 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 87 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.

410 
WUUS51 KCLE 100502
SVRCLE
OHC143-147-100600-
/O.NEW.KCLE.SV.W.0169.120810T0502Z-120810T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
102 AM EDT FRI AUG 10 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SANDUSKY COUNTY IN NORTHWEST OHIO
  SENECA COUNTY IN NORTHWEST OHIO

* UNTIL 200 AM EDT

* AT 1257 AM 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 11 MILES NORTHWEST OF FOSTORIA
  TO 7 MILES SOUTH OF NEW RIEGEL...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FOSTORIA...
  TIFFIN...
  FREMONT...
  CLYDE...
  NEW RIEGEL...
  GIBSONBURG...
  WOODVILLE...
  BLOOMVILLE...

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 4150 8341 4150 8334 4146 8333 4146 8306
      4145 8301 4144 8300 4145 8297 4142 8294
      4142 8292 4144 8289 4145 8284 4100 8283
      4099 8342
TIME...MOT...LOC 0503Z 263DEG 20KT 4124 8356 4096 8330

$$

KUBINA

2 follow-up statements

079 
WWUS51 KCLE 100533
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
133 AM EDT FRI AUG 10 2012

OHC143-147-100600-
/O.CON.KCLE.SV.W.0169.000000T0000Z-120810T0600Z/
SENECA OH-SANDUSKY OH-
133 AM EDT FRI AUG 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM EDT
FOR SANDUSKY AND SENECA COUNTIES...

AT 128 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE 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 HELENA TO REPUBLIC...MOVING EAST
AT 35 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...STONY
PRAIRIE...ATTICA...GREEN SPRINGS...BALLVILLE...FREMONT...CLYDE AND
BELLEVUE.

LAT...LON 4150 8341 4150 8334 4146 8333 4146 8306
      4145 8301 4144 8300 4145 8297 4142 8294
      4142 8292 4144 8289 4145 8284 4100 8283
      4099 8342
TIME...MOT...LOC 0533Z 256DEG 29KT 4132 8323 4117 8298

$$

KUBINA

347 
WWUS51 KCLE 100556
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
156 AM EDT FRI AUG 10 2012

OHC143-147-100606-
/O.EXP.KCLE.SV.W.0169.000000T0000Z-120810T0600Z/
SENECA OH-SANDUSKY OH-
156 AM EDT FRI AUG 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR SANDUSKY AND SENECA COUNTIES
EXPIRES AT 200 AM EDT...

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

LAT...LON 4150 8341 4150 8334 4146 8333 4146 8306
      4145 8301 4144 8300 4145 8297 4142 8294
      4142 8292 4144 8289 4145 8284 4100 8283
      4099 8342
TIME...MOT...LOC 0556Z 256DEG 29KT 4136 8299 4121 8274

$$

KUBINA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 8:45 PM EDT	Severe Thunderstorm Warning	CLE	Knox	60 min
Aug 9, 9:00 PM EDT	Special Marine Warning	CLE		2 hr
Aug 9, 10:39 PM EDT	Severe Thunderstorm Warning	CLE	Erie	31 min
Aug 9, 10:56 PM EDT	Special Marine Warning	CLE		2 hr
Aug 10, 2:06 AM EDT	Special Marine Warning	CLE		114 min
Aug 10, 2:14 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Lorain	43 min
Aug 10, 3:40 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	50 min
Aug 10, 4:39 PM EDT	Areal Flood Advisory	CLE	Lake	3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every 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.