Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 211, NWS Cleveland, OH

July 23, 2011Ashtabula County, Geauga County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 23, 2011, 7:38 PM EDT for Ashtabula County, Geauga County, Trumbull County, Ohio. It was in force for 67 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 23, 2011, 7:38 PM EDT (23:38 UTC)
Expired: Jul 23, 2011, 8:45 PM EDT
In force: 67 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashtabula County, OH, Geauga County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 82 km from the middle of the area, began a volume at 23:42 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 23, 7:40 PM EDT	TSTM WND DMG	Burton, OH	A FEW TREES DOWN.
Jul 23, 8:10 PM EDT	TSTM WND DMG	15 Ne Warren, OH	NUMEROUS TREES DOWN, GARAGE BLOWN OVER.

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 12:00Z, 11.6 hours before the alert went out and 127 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: 834 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 806 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

869 
WUUS51 KCLE 232338
SVRCLE
OHC007-055-155-240045-
/O.NEW.KCLE.SV.W.0211.110723T2338Z-110724T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
738 PM EDT SAT JUL 23 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ASHTABULA COUNTY IN NORTHEAST OHIO
  EASTERN GEAUGA COUNTY IN NORTHEAST OHIO
  TRUMBULL COUNTY IN NORTHEAST OHIO

* UNTIL 845 PM EDT

* AT 737 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
  BURTON...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WARREN...
  MIDDLEFIELD...
  WEST FARMINGTON...
  NORTH BLOOMFIELD...
  BRISTOLVILLE...
  ORWELL...
  CORTLAND...

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 4124 8053 4122 8100 4135 8100 4135 8126
      4160 8127 4173 8052
TIME...MOT...LOC 2339Z 264DEG 18KT 4143 8113

$$

KIELTYKA

2 follow-up statements

582 
WWUS51 KCLE 240029
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
829 PM EDT SAT JUL 23 2011

OHC007-055-155-240045-
/O.CON.KCLE.SV.W.0211.000000T0000Z-110724T0045Z/
TRUMBULL OH-GEAUGA OH-ASHTABULA OH-
829 PM EDT SAT JUL 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHERN ASHTABULA...EASTERN GEAUGA AND TRUMBULL COUNTIES...

AT 827 PM 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
NEAR NORTH BLOOMFIELD...OR 15 MILES NORTH OF WARREN...MOVING EAST AT
20 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...CORTLAND
AND KINSMAN.

LAT...LON 4124 8053 4122 8100 4135 8100 4135 8126
      4160 8127 4173 8052
TIME...MOT...LOC 0029Z 264DEG 18KT 4146 8080

$$

FITZ

689 
WWUS51 KCLE 240042
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
842 PM EDT SAT JUL 23 2011

OHC007-055-155-240052-
/O.EXP.KCLE.SV.W.0211.000000T0000Z-110724T0045Z/
TRUMBULL OH-GEAUGA OH-ASHTABULA OH-
842 PM EDT SAT JUL 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ASHTABULA...EASTERN
GEAUGA AND TRUMBULL COUNTIES EXPIRES AT 845 PM EDT...

LAT...LON 4124 8053 4122 8100 4135 8100 4135 8126
      4160 8127 4173 8052
TIME...MOT...LOC 0042Z 264DEG 18KT 4147 8071

$$

FITZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 11:48 PM EDT	Special Marine Warning	CLE		87 min
Jul 23, 12:00 AM EDT	Severe Thunderstorm Warning	CLE	Holmes, Knox	60 min
Jul 23, 1:29 AM EDT	Areal Flood Advisory	CLE	Knox	3 hr
Jul 23, 2:46 AM EDT	Flash Flood Warning	CLE	Seneca	11 hr
Jul 23, 3:40 AM EDT	Flash Flood Watch	CLE	Ashland, Crawford, Cuyahoga, Erie, Geauga, Hancock and 21 more	26 hr
Jul 23, 4:06 AM EDT	Areal Flood Advisory	CLE	Lorain	4 hr
Jul 23, 6:45 AM EDT	Areal Flood Advisory	CLE	Ashland, Crawford, Huron, Lorain, Richland	3 hr
Jul 23, 8:50 AM EDT	Areal Flood Advisory	CLE	Ottawa, Sandusky	4 hr
Jul 23, 2:00 PM EDT	Areal Flood Warning	CLE	Seneca	8 hr
Jul 23, 2:38 PM EDT	Areal Flood Advisory	CLE	Wyandot	4 hr
Jul 23, 2:43 PM EDT	Areal Flood Advisory	CLE	Marion, Morrow	4 hr
Jul 23, 3:07 PM EDT	Flash Flood Warning	CLE	Wyandot	6 hr
Jul 23, 3:59 PM EDT	Heat Advisory	CLE	Ashland, Crawford, Hancock, Holmes, Huron, Knox and 8 more	23 hr
Jul 23, 5:20 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	55 min
Jul 23, 5:25 PM EDT	Areal Flood Advisory	CLE	Holmes	3 hr
Jul 23, 5:44 PM EDT	Special Marine Warning	CLE		76 min
Jul 23, 5:53 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky, Seneca, Wood	67 min
Jul 23, 5:58 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	62 min
Jul 23, 6:16 PM EDT	Special Marine Warning	CLE		89 min
Jul 23, 6:26 PM EDT	Areal Flood Advisory	CLE	Wood	4 hr
Jul 23, 6:52 PM EDT	Areal Flood Advisory	CLE	Cuyahoga	3 hr
Jul 23, 7:12 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Seneca, Wood	78 min
Jul 23, 7:15 PM EDT	Special Marine Warning	CLE		2 hr
Jul 23, 7:16 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga	44 min
Jul 23, 7:36 PM EDT	Flash Flood Warning	CLE	Ottawa, Sandusky	6 hr
Jul 23, 7:56 PM EDT	Areal Flood Advisory	CLE	Hancock	3 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.