Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 100, NWS Cleveland, OH

July 3, 20125 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 3, 2012, 10:18 PM EDT for 5 counties in Ohio. It was in force for 57 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: Jul 3, 2012, 10:18 PM EDT (02:18 UTC)
Expired: Jul 3, 2012, 11:15 PM EDT
In force: 57 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Mahoning County, OH, Portage County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 68 km from the middle of the area, began a volume at 02:20 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
Jul 3, 10:25 PM EDT	TSTM WND DMG	Warren, OH	SOME TREES DOWN ACROSS THE AREA.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 2.3 hours before the alert went out and 117 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: 389 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1500 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

336 
WUUS51 KCLE 040218
SVRCLE
OHC099-133-151-153-155-040315-
/O.NEW.KCLE.SV.W.0100.120704T0218Z-120704T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1018 PM EDT TUE JUL 3 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MAHONING COUNTY IN NORTHEAST OHIO
  PORTAGE COUNTY IN NORTHEAST OHIO
  STARK COUNTY IN NORTHEAST OHIO
  SUMMIT COUNTY IN NORTHEAST OHIO
  TRUMBULL COUNTY IN NORTHEAST OHIO

* UNTIL 1115 PM EDT

* AT 1015 PM 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 KINSMAN TO HUDSON...AND MOVING
  SOUTH AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  AKRON...
  WARREN...
  RAVENNA...
  YOUNGSTOWN...
  CANTON...
  KENT...
  CORTLAND...
  TALLMADGE...
  BARBERTON...
  NEWTON FALLS...
  MOGADORE...

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 4098 8165 4099 8169 4127 8168 4128 8156
      4134 8159 4135 8159 4135 8100 4150 8100
      4150 8053 4150 8052 4090 8051 4090 8082
      4093 8089 4090 8090 4090 8108 4073 8108
      4072 8123 4065 8124 4066 8146 4064 8164
TIME...MOT...LOC 0219Z 341DEG 34KT 4145 8053 4119 8146

$$

KIELTYKA

2 follow-up statements

870 
WWUS51 KCLE 040249
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1049 PM EDT TUE JUL 3 2012

OHC153-040258-
/O.CAN.KCLE.SV.W.0100.000000T0000Z-120704T0315Z/
SUMMIT OH-
1049 PM EDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR SUMMIT COUNTY IS CANCELLED...

LAT...LON 4107 8132 4129 8052 4090 8051 4090 8082
      4093 8089 4090 8090 4090 8108 4073 8108
      4073 8114
TIME...MOT...LOC 0248Z 341DEG 34KT 4125 8030 4099 8123

$$

OHC099-133-151-155-040315-
/O.CON.KCLE.SV.W.0100.000000T0000Z-120704T0315Z/
MAHONING OH-PORTAGE OH-STARK OH-TRUMBULL OH-
1049 PM EDT TUE JUL 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR SOUTHERN TRUMBULL...NORTHEASTERN STARK...SOUTHERN PORTAGE AND
MAHONING COUNTIES...

AT 1044 PM 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 12 MILES EAST OF WEST HILL TO 6
MILES NORTHWEST OF LIMAVILLE...MOVING SOUTHEAST AT 40 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
YOUNGSTOWN...CANFIELD...CAMPBELL...STRUTHERS...SEBRING...POLAND...
MAPLE RIDGE AND NEW MIDDLETOWN.

LAT...LON 4107 8132 4129 8052 4090 8051 4090 8082
      4093 8089 4090 8090 4090 8108 4073 8108
      4073 8114
TIME...MOT...LOC 0248Z 341DEG 34KT 4125 8030 4099 8123

$$

ADAMS

559 
WWUS51 KCLE 040316
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1116 PM EDT TUE JUL 3 2012

OHC099-133-151-155-040325-
/O.EXP.KCLE.SV.W.0100.000000T0000Z-120704T0315Z/
MAHONING OH-PORTAGE OH-STARK OH-TRUMBULL OH-
1116 PM EDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TRUMBULL...
NORTHEASTERN STARK...SOUTHERN PORTAGE AND MAHONING COUNTIES EXPIRES
AT 1115 PM EDT...

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

LAT...LON 4107 8132 4129 8052 4090 8051 4090 8082
      4093 8089 4090 8090 4090 8108 4073 8108
      4073 8114
TIME...MOT...LOC 0249Z 341DEG 34KT 4124 8030 4098 8123

$$

ADAMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 8:00 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	45 min
Jul 3, 8:27 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Lake	63 min
Jul 3, 8:56 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	64 min
Jul 3, 9:17 PM EDT	Areal Flood Advisory	CLE	Geauga, Lake	3 hr
Jul 3, 10:57 PM EDT	Tornado Warning	CLE	Mahoning, Stark	27 min
Jul 4, 12:03 AM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Trumbull	57 min
Jul 4, 12:12 AM EDT	Severe Thunderstorm Warning	CLE	Portage, Stark, Summit	63 min
Jul 4, 12:45 AM EDT	Tornado Warning	CLE	Mahoning, Portage	45 min
Jul 4, 9:51 AM EDT	Special Marine Warning	CLE		84 min
Jul 4, 9:53 AM EDT	Excessive Heat Warning	CLE	Hancock, Lucas, Wood	11 hr
Jul 4, 6:34 PM EDT	Special Marine Warning	CLE		116 min
Jul 4, 7:09 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Lucas, Ottawa, Sandusky	51 min
Jul 4, 7:57 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Hancock, Marion, Wood, Wyandot	48 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.