Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 110, NWS Cleveland, OH

May 29, 2011Ashtabula County, Trumbull County, Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at May 29, 2011, 7:56 PM EDT for Ashtabula County, Trumbull County, Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 64 min. 7 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: May 29, 2011, 7:56 PM EDT (23:56 UTC)
Expired: May 29, 2011, 9:00 PM EDT
In force: 64 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashtabula County, OH, Trumbull County, OH, Crawford County, PA, Erie County, PA

The radar

The Pittsburgh radar (KPBZ), 153 km from the middle of the area, began a volume at 23:58 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 29, 8:00 PM EDT	HAIL 0.75	3 Sw Conneaut Lake, PA
May 29, 8:35 PM EDT	TSTM WND DMG	Orwell, OH	A COUPLE OF TREES DOWNED.
May 29, 8:40 PM EDT	HAIL 1	9 Sw Conneaut Lake, PA	LARGE HAIL WAS REPORTED NORTH OF JAMESTOWN.
May 29, 8:41 PM EDT	HAIL 0.75	Kinsman, OH
May 29, 8:45 PM EDT	TSTM WND DMG	Jamestown, PA	ONE TREE DOWN WITH DIME SIZE HAIL.
May 29, 8:45 PM EDT	HAIL 0.75	Jamestown, PA	DIME SIZE HAIL IN JAMESTOWN
May 29, 8:47 PM EDT	TSTM WND DMG	3 E Jamestown, PA	ONE TREE 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
May 29, 6:17 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.9 hours before the alert went out and 162 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 828 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 176 m²/s²
0-3 km storm-relative helicity: 208 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.

332 
WUUS51 KCLE 292356
SVRCLE
OHC007-155-PAC039-049-300100-
/O.NEW.KCLE.SV.W.0110.110529T2356Z-110530T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
756 PM EDT SUN MAY 29 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHTABULA COUNTY IN NORTHEAST OHIO
  NORTHERN TRUMBULL COUNTY IN NORTHEAST OHIO
  CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA
  ERIE COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 900 PM EDT

* AT 754 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 12
  MILES NORTHWEST OF ORWELL...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JEFFERSON...
  ASHTABULA...
  MEADVILLE...
  ERIE...
  BRISTOLVILLE...
  GENEVA...
  NORTH BLOOMFIELD...
  ORWELL...
  KINSMAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

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 4226 7975 4200 7977 4200 7968 4198 7968
      4161 7970 4161 7984 4148 8003 4148 8051
      4134 8052 4134 8100 4186 8099 4196 8057
      4210 8019 4217 8012 4215 8008 4215 8004
      4222 7993 4227 7976
TIME...MOT...LOC 2356Z 257DEG 30KT 4163 8102

$$

ADAMS

1 follow-up statement

728 
WWUS51 KCLE 300037
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
837 PM EDT SUN MAY 29 2011

OHC007-155-PAC039-049-300100-
/O.CON.KCLE.SV.W.0110.000000T0000Z-110530T0100Z/
TRUMBULL OH-CRAWFORD PA-ASHTABULA OH-ERIE PA-
837 PM EDT SUN MAY 29 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR ASHTABULA AND NORTHERN TRUMBULL COUNTIES IN NORTHEAST OHIO...AND
ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA...

AT 833 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 NORTH EAST TO 8 MILES WEST OF
ORANGEVILLE...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...UNION CITY
AND MEADVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4226 7975 4200 7977 4200 7968 4198 7968
      4161 7970 4161 7984 4148 8003 4148 8051
      4134 8052 4134 8100 4186 8099 4196 8057
      4210 8019 4217 8012 4215 8008 4215 8004
      4222 7993 4227 7976
TIME...MOT...LOC 0037Z 280DEG 53KT 4215 7976 4131 8060

$$

ADAMS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 11:57 PM EDT	Areal Flood Advisory	CLE	Huron, Seneca	3 hr
May 29, 7:09 AM EDT	River Flood Warning	CLE	Holmes, Wayne	4 days
May 29, 4:59 PM EDT	Special Marine Warning	CLE		2 hr
May 29, 5:21 PM EDT	Severe Thunderstorm Warning	CLE	Lucas	54 min
May 29, 5:40 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky, Wood	65 min
May 29, 5:46 PM EDT	Special Marine Warning	CLE		119 min
May 29, 6:00 PM EDT	Severe Thunderstorm Warning	CLE	Erie	45 min
May 29, 7:00 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Lorain	48 min
May 29, 7:10 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Lake	65 min
May 29, 7:25 PM EDT	River Flood Warning	CLE	Ottawa, Sandusky, Wood	24 hr
May 29, 7:39 PM EDT	Special Marine Warning	CLE		96 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Severe Thunderstorm Warnings in Pennsylvania, 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.