Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 36, NWS Cleveland, OH

May 7, 20124 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 7, 2012, 5:52 PM EDT for 4 counties in Ohio. It was in force for 53 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: May 7, 2012, 5:52 PM EDT (21:52 UTC)
Expired: May 7, 2012, 6:45 PM EDT
In force: 53 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

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

The radar

The Cleveland radar (KCLE), 114 km from the middle of the area, began a volume at 21:53 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
May 7, 6:35 PM EDT	HAIL 1	Shelby, 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 12:00Z, 9.9 hours before the alert went out and 164 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: 807 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 21 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.

658 
WUUS51 KCLE 072152
SVRCLE
OHC033-101-139-175-072245-
/O.NEW.KCLE.SV.W.0036.120507T2152Z-120507T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
552 PM EDT MON MAY 7 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN NORTH CENTRAL OHIO
  NORTHEASTERN MARION COUNTY IN NORTH CENTRAL OHIO
  NORTHWESTERN RICHLAND COUNTY IN NORTH CENTRAL OHIO
  EASTERN WYANDOT COUNTY IN NORTHWEST OHIO

* UNTIL 645 PM EDT

* AT 548 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
  BUCYRUS...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CHATFIELD...
  GALION...
  NEW WASHINGTON...
  CRESTLINE...
  SHELBY...
  ONTARIO...

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 4062 8312 4099 8315 4099 8255 4075 8253
      4071 8272 4071 8285 4065 8286 4065 8295
      4061 8296
TIME...MOT...LOC 2152Z 252DEG 18KT 4081 8293

$$

KING

1 follow-up statement

318 
WWUS51 KCLE 072246
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
646 PM EDT MON MAY 7 2012

OHC033-101-139-175-072255-
/O.EXP.KCLE.SV.W.0036.000000T0000Z-120507T2245Z/
WYANDOT OH-CRAWFORD OH-MARION OH-RICHLAND OH-
646 PM EDT MON MAY 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RICHLAND...
NORTHEASTERN MARION AND CRAWFORD COUNTIES IN NORTH CENTRAL OHIO...AND
EASTERN WYANDOT COUNTY IN NORTHWEST OHIO EXPIRES AT 645 PM EDT...

THE STORM WHICH PROMPTED THE WARNING NO LONGER APPEARED TO BE 
SEVERE...HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM. IN ADDITION...LOCALLY HEAVY RAIN IS ALSO LIKELY WITH 
THE STORM. 

LAT...LON 4062 8312 4099 8315 4099 8255 4075 8253
      4071 8272 4071 8285 4065 8286 4065 8295
      4061 8296
TIME...MOT...LOC 2245Z 252DEG 18KT 4089 8260

$$

KING

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 9:53 AM EDT	Areal Flood Advisory	CLE	Erie, Sandusky	4 hr
May 7, 1:46 PM EDT	Severe Thunderstorm Warning	CLE	Stark	41 min
May 7, 5:07 PM EDT	Severe Thunderstorm Warning	CLE	Medina	53 min
May 7, 5:24 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Wyandot	66 min
May 7, 6:42 PM EDT	Areal Flood Advisory	CLE	Crawford, Wyandot	5 hr
May 7, 7:03 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	57 min
May 7, 7:32 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	58 min

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.