Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 181, NWS Cleveland, OH

July 11, 2011Ashtabula County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 11, 2011, 2:49 PM EDT for Ashtabula County, Lake County, Ohio. It was in force for 56 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: Jul 11, 2011, 2:49 PM EDT (18:49 UTC)
Expired: Jul 11, 2011, 3:45 PM EDT
In force: 56 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashtabula County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 87 km from the middle of the area, began a volume at 18:52 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 11, 2:51 PM EDT	TSTM WND GST 56	Geneva, OH
Jul 11, 2:55 PM EDT	TSTM WND GST 55	Madison, OH

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
Jul 11, 10:16 AM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.8 hours before the alert went out and 167 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: 135 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1116 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

929 
WUUS51 KCLE 111849
SVRCLE
OHC007-085-111945-
/O.NEW.KCLE.SV.W.0181.110711T1849Z-110711T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
249 PM EDT MON JUL 11 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHTABULA COUNTY IN NORTHEAST OHIO
  NORTHEASTERN LAKE COUNTY IN NORTHEAST OHIO

* UNTIL 345 PM EDT

* AT 248 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES NORTH OF PERRY...AND
  MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ASHTABULA...
  JEFFERSON...
  MADISON...
  GENEVA...
  NORTH KINGSVILLE...
  CONNEAUT...

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 4158 8052 4168 8101 4171 8101 4172 8110
      4171 8110 4175 8129 4177 8129 4177 8126
      4186 8102 4188 8090 4192 8080 4193 8072
      4198 8052
TIME...MOT...LOC 1850Z 278DEG 29KT 4187 8113

$$

LAPLANTE

2 follow-up statements

701 
WWUS51 KCLE 111924
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
324 PM EDT MON JUL 11 2011

OHC007-085-111945-
/O.CON.KCLE.SV.W.0181.000000T0000Z-110711T1945Z/
LAKE OH-ASHTABULA OH-
324 PM EDT MON JUL 11 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR ASHTABULA AND NORTHEASTERN LAKE COUNTIES...

AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ANDOVER...OR 17 MILES
WEST OF MEADVILLE...MOVING SOUTHEAST AT 45 MPH.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EDT MONDAY
AFTERNOON FOR NORTHERN OHIO.

&&

LAT...LON 4158 8052 4168 8101 4171 8101 4172 8110
      4171 8110 4175 8129 4177 8129 4177 8126
      4186 8102 4188 8090 4192 8080 4193 8072
      4198 8052
TIME...MOT...LOC 1924Z 298DEG 57KT 4161 8040

$$

KUBINA

885 
WWUS51 KCLE 111944
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
344 PM EDT MON JUL 11 2011

OHC007-085-111955-
/O.EXP.KCLE.SV.W.0181.000000T0000Z-110711T1945Z/
LAKE OH-ASHTABULA OH-
344 PM EDT MON JUL 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR ASHTABULA AND NORTHEASTERN
LAKE COUNTIES EXPIRES AT 345 PM EDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EDT MONDAY
AFTERNOON FOR NORTHEAST OHIO.

LAT...LON 4158 8052 4168 8101 4171 8101 4172 8110
      4171 8110 4175 8129 4177 8129 4177 8126
      4186 8102 4188 8090 4192 8080 4193 8072
      4198 8052
TIME...MOT...LOC 1945Z 298DEG 57KT 4145 8001

$$

KUBINA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 11:32 AM EDT	Severe Thunderstorm Warning	CLE	Wood	43 min
Jul 11, 11:57 AM EDT	Severe Thunderstorm Warning	CLE	Hancock	63 min
Jul 11, 12:16 PM EDT	Special Marine Warning	CLE		119 min
Jul 11, 12:17 PM EDT	Areal Flood Advisory	CLE	Wood	4 hr
Jul 11, 12:18 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Wood	57 min
Jul 11, 12:41 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky, Seneca	59 min
Jul 11, 12:44 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	61 min
Jul 11, 12:58 PM EDT	Areal Flood Advisory	CLE	Hancock	4 hr
Jul 11, 12:59 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wyandot	47 min
Jul 11, 1:01 PM EDT	Severe Thunderstorm Warning	CLE	Huron, Richland	44 min
Jul 11, 1:14 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	44 min
Jul 11, 1:16 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Morrow, Richland	59 min
Jul 11, 1:21 PM EDT	Severe Thunderstorm Warning	CLE	Ashland	39 min
Jul 11, 1:38 PM EDT	Severe Thunderstorm Warning	CLE	Knox	61 min
Jul 11, 1:45 PM EDT	Severe Thunderstorm Warning	CLE	Holmes, Wayne	60 min
Jul 11, 1:51 PM EDT	Special Marine Warning	CLE		84 min
Jul 11, 2:38 PM EDT	Severe Thunderstorm Warning	CLE	Stark, Summit	67 min
Jul 11, 3:10 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage	65 min
Jul 11, 3:17 PM EDT	Special Marine Warning	CLE		88 min

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.