Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 129, NWS Cleveland, OH

June 7, 2011Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 7, 2011, 8:44 AM EDT for Mahoning County, Ohio. It was in force for 61 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: Jun 7, 2011, 8:44 AM EDT (12:44 UTC)
Expired: Jun 7, 2011, 9:45 AM EDT
In force: 61 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 68 km from the middle of the area, began a volume at 12:47 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
Jun 7, 9:42 AM EDT	TSTM WND DMG	Youngstown, OH	LARGE TREE AND OTHER NUMEROUS TREES DOWN.

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.

Issued	Product	Office	Lasted
Jun 7, 6:47 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 0.7 hours before the alert went out and 85 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: 682 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1272 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

484 
WUUS51 KCLE 071244
SVRCLE
OHC099-071345-
/O.NEW.KCLE.SV.W.0129.110607T1244Z-110607T1345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
844 AM EDT TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MAHONING COUNTY IN NORTHEAST OHIO

* UNTIL 945 AM EDT

* AT 839 AM 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 14
  MILES NORTHWEST OF CANFIELD...AND MOVING SOUTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  YOUNGSTOWN...
  CANFIELD...
  BOARDMAN...
  CAMPBELL...

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 8052 4090 8052 4089 8081 4092 8084
      4092 8089 4090 8090 4091 8109 4098 8109
      4099 8100 4113 8100 4113 8053 4113 8051
      4098 8051
TIME...MOT...LOC 1244Z 277DEG 34KT 4112 8093

$$

LAPLANTE

3 follow-up statements

148 
WWUS51 KCLE 071305
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
905 AM EDT TUE JUN 7 2011

OHC099-071345-
/O.CON.KCLE.SV.W.0129.000000T0000Z-110607T1345Z/
MAHONING OH-
905 AM EDT TUE JUN 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM EDT
FOR MAHONING COUNTY...

AT 902 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
7 MILES WEST OF YOUNGSTOWN...MOVING SOUTHEAST AT 35 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
BOARDMAN...POLAND...STRUTHERS...CAMPBELL...LOWELLVILLE AND NEW
MIDDLETOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON EDT TUESDAY
FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4098 8052 4090 8052 4089 8081 4092 8084
      4092 8089 4090 8090 4091 8109 4098 8109
      4099 8100 4113 8100 4113 8053 4113 8051
      4098 8051
TIME...MOT...LOC 1305Z 306DEG 31KT 4105 8075

$$

WILLARD

827 
WWUS51 KCLE 071326
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
926 AM EDT TUE JUN 7 2011

OHC099-071345-
/O.CON.KCLE.SV.W.0129.000000T0000Z-110607T1345Z/
MAHONING OH-
926 AM EDT TUE JUN 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM EDT
FOR MAHONING COUNTY...

AT 925 AM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 10 MILES SOUTH OF YOUNGSTOWN...MOVING 
SOUTHEAST AT 40 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE....

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON EDT TUESDAY
FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4098 8052 4090 8052 4089 8081 4092 8084
      4092 8089 4090 8090 4091 8109 4098 8109
      4099 8100 4113 8100 4113 8053 4113 8051
      4098 8051
TIME...MOT...LOC 1326Z 306DEG 33KT 4095 8060

$$

WILLARD

125 
WWUS51 KCLE 071341
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
941 AM EDT TUE JUN 7 2011

OHC099-071351-
/O.EXP.KCLE.SV.W.0129.000000T0000Z-110607T1345Z/
MAHONING OH-
941 AM EDT TUE JUN 7 2011

...THE SEVERE THUNDERSTORM WARNING FOR MAHONING COUNTY EXPIRES AT 945
AM EDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON EDT TUESDAY
FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4098 8052 4090 8052 4089 8081 4092 8084
      4092 8089 4090 8090 4091 8109 4098 8109
      4099 8100 4113 8100 4113 8053 4113 8051
      4098 8051
TIME...MOT...LOC 1341Z 306DEG 33KT 4087 8045

$$

WILLARD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 6:13 AM EDT	Special Marine Warning	CLE		2 hr
Jun 7, 6:56 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	64 min
Jun 7, 7:15 AM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	75 min
Jun 7, 7:50 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Trumbull	70 min
Jun 7, 8:11 AM EDT	Special Marine Warning	CLE		79 min
Jun 7, 8:21 AM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	39 min
Jun 7, 8:24 AM EDT	Severe Thunderstorm Warning	CLE	Portage	66 min
Jun 7, 8:32 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Lorain	58 min
Jun 7, 8:39 AM EDT	Areal Flood Warning	CLE	Ashtabula, Geauga, Lake, Trumbull	4 hr
Jun 7, 9:00 AM EDT	Areal Flood Advisory	CLE	Cuyahoga, Lorain, Portage	4 hr
Jun 7, 9:28 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Lorain, Medina	77 min
Jun 7, 9:35 AM EDT	Flash Flood Warning	CLE	Lorain	4 hr
Jun 7, 9:39 AM EDT	Severe Thunderstorm Warning	CLE	Stark	66 min
Jun 7, 9:42 AM EDT	Areal Flood Advisory	CLE	Medina	4 hr
Jun 7, 10:02 AM EDT	Areal Flood Advisory	CLE	Stark, Summit	3 hr
Jun 7, 10:03 AM EDT	Severe Thunderstorm Warning	CLE	Wayne	72 min
Jun 7, 10:22 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Huron, Lorain, Medina	68 min
Jun 7, 10:44 AM EDT	Severe Thunderstorm Warning	CLE	Holmes	76 min
Jun 7, 10:49 AM EDT	Areal Flood Advisory	CLE	Wayne	2 hr
Jun 7, 11:11 AM EDT	Areal Flood Advisory	CLE	Holmes	3 hr
Jun 7, 1:08 PM EDT	Areal Flood Advisory	CLE	Ashtabula	4 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning in 2011

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.