Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 7, NWS Cleveland, OH

March 15, 2012Hancock County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Mar 15, 2012, 3:10 AM EDT for Hancock County, Ohio. It was in force for 50 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: Mar 15, 2012, 3:10 AM EDT (07:10 UTC)
Expired: Mar 15, 2012, 4:00 AM EDT
In force: 50 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Hancock County, OH

The radar

The Cleveland radar (KCLE), 154 km from the middle of the area, began a volume at 07:10 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
Mar 15, 3:10 AM EDT	HAIL 1	Mount Cory, OH
Mar 15, 3:16 AM EDT	HAIL 1.5	Mount Cory, OH

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.2 hours before the alert went out and 182 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: 13 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 2195 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 106 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.

503 
WUUS51 KCLE 150710
SVRCLE
OHC063-150800-
/O.NEW.KCLE.SV.W.0007.120315T0710Z-120315T0800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
310 AM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 400 AM EDT

* AT 306 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR RAWSON...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  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 4117 8364 4117 8342 4101 8342 4084 8381
      4100 8389
TIME...MOT...LOC 0711Z 224DEG 20KT 4094 8378

$$

MULLEN

2 follow-up statements

808 
WWUS51 KCLE 150733
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
333 AM EDT THU MAR 15 2012

OHC063-150800-
/O.CON.KCLE.SV.W.0007.000000T0000Z-120315T0800Z/
HANCOCK OH-
333 AM EDT THU MAR 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM EDT
FOR HANCOCK COUNTY...

AT 316 AM...SPOTTERS REPORTED PING PONG SIZED HAIL IN MOUNT CORY.

AT 328 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE 
HAIL. THIS STORM WAS LOCATED NEAR FINDLAY...MOVING NORTHEAST AT 25
MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...VAN
BUREN AND ARCADIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW 
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4103 8382 4117 8364 4117 8342 4101 8342
      4089 8371
TIME...MOT...LOC 0732Z 224DEG 20KT 4102 8367

$$

MULLEN

983 
WWUS51 KCLE 150757
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
357 AM EDT THU MAR 15 2012

OHC063-150806-
/O.EXP.KCLE.SV.W.0007.000000T0000Z-120315T0800Z/
HANCOCK OH-
357 AM EDT THU MAR 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR HANCOCK COUNTY EXPIRES AT 400
AM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

LAT...LON 4103 8382 4117 8364 4117 8342 4101 8342
      4089 8371
TIME...MOT...LOC 0756Z 224DEG 20KT 4112 8355

$$

MULLEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 3:16 AM EDT	Severe Thunderstorm Warning	CLE	Ottawa	44 min
Mar 15, 3:47 AM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky	43 min
Mar 15, 4:06 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	54 min
Mar 15, 4:25 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	50 min
Mar 15, 4:29 AM EDT	Severe Thunderstorm Warning	CLE	Knox	46 min
Mar 15, 5:02 AM EDT	Severe Thunderstorm Warning	CLE	Lorain, Medina	73 min
Mar 15, 5:46 AM EDT	Severe Thunderstorm Warning	CLE	Knox	44 min
Mar 15, 6:05 AM EDT	Areal Flood Advisory	CLE	Ashland, Knox, Richland	4 hr
Mar 15, 7:51 AM EDT	Areal Flood Warning	CLE	Ashland, Knox, Richland	6 hr
Mar 15, 8:22 AM EDT	Special Marine Warning	CLE		83 min
Mar 15, 8:26 AM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion, Wyandot	38 min
Mar 15, 9:52 AM EDT	Severe Thunderstorm Warning	CLE	Wood	17 min
Mar 15, 4:46 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Wayne	29 min
Mar 15, 5:56 PM EDT	Special Marine Warning	CLE		2 hr
Mar 15, 7:16 PM EDT	Severe Thunderstorm Warning	CLE	Lucas	25 min
Mar 15, 7:57 PM EDT	Special Marine Warning	CLE		2 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.