Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 82, NWS Cleveland, OH

May 25, 2011Portage County, Summit County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 25, 2011, 7:20 PM EDT for Portage County, Summit County, Ohio. It was in force for 40 min. 5 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 25, 2011, 7:20 PM EDT (23:20 UTC)
Expired: May 25, 2011, 8:00 PM EDT
In force: 40 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Portage County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 47 km from the middle of the area, began a volume at 23:20 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
May 25, 7:37 PM EDT	HAIL 1	Richfield, OH
May 25, 7:45 PM EDT	TSTM WND DMG	Cuyahoga Falls, OH	ONE TREE AND NUMEROUS BRANCHES DOWN. THE TREE FELL ONTO A PORCH AND DESTROYED THE PORCH.
May 25, 7:48 PM EDT	HAIL 0.88	Hudson, OH
May 25, 7:48 PM EDT	HAIL 1	Streetsboro, OH
May 25, 8:00 PM EDT	TSTM WND DMG	Cuyahoga Falls, OH	ROOFS REPORTED OFF INDUSTRIAL BUILDINGS. ALSO GUTTERS TORN OFF BUILDINGS.

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 25, 1:55 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.3 hours before the alert went out and 141 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: 54 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 516 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 117 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.

415 
WUUS51 KCLE 252320
SVRCLE
OHC133-153-260000-
/O.NEW.KCLE.SV.W.0082.110525T2320Z-110526T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
720 PM EDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 715 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 14 MILES NORTHWEST OF
  BARBERTON...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  AKRON...
  RAVENNA...
  CUYAHOGA FALLS...
  BARBERTON...

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 4091 8164 4092 8165 4098 8165 4100 8169
      4126 8169 4128 8168 4128 8157 4135 8159
      4135 8100 4099 8100 4099 8141 4091 8142
TIME...MOT...LOC 2320Z 249DEG 35KT 4113 8182

$$

LAPLANTE

1 follow-up statement

526 
WWUS51 KCLE 260008
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
808 PM EDT WED MAY 25 2011

OHC133-153-260018-
/O.EXP.KCLE.SV.W.0082.000000T0000Z-110526T0000Z/
PORTAGE OH-SUMMIT OH-
808 PM EDT WED MAY 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR SUMMIT AND PORTAGE COUNTIES
EXPIRES AT 800 PM EDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4091 8164 4092 8165 4098 8165 4100 8169
      4126 8169 4128 8168 4128 8157 4135 8159
      4135 8100 4099 8100 4099 8141 4091 8142
TIME...MOT...LOC 2320Z 249DEG 35KT 4113 8182

$$

THOMPSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 2:16 PM EDT	Flood Watch	CLE	Ashland, Crawford, Erie, Hancock, Huron, Knox and 10 more	14 hr
May 25, 2:47 PM EDT	Areal Flood Warning	CLE	Lucas, Wood	16 hr
May 25, 2:57 PM EDT	Special Marine Warning	CLE		2 hr
May 25, 3:33 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Wood	57 min
May 25, 4:03 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky	57 min
May 25, 4:10 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	50 min
May 25, 4:24 PM EDT	Tornado Warning	CLE	Hancock	51 min
May 25, 4:25 PM EDT	Areal Flood Warning	CLE	Hancock	14 hr
May 25, 4:57 PM EDT	Tornado Warning	CLE	Hancock, Sandusky, Seneca, Wood	63 min
May 25, 5:01 PM EDT	Special Marine Warning	CLE		119 min
May 25, 5:15 PM EDT	Areal Flood Warning	CLE	Ottawa, Sandusky, Seneca	13 hr
May 25, 5:24 PM EDT	Tornado Warning	CLE	Sandusky, Seneca	51 min
May 25, 5:34 PM EDT	Tornado Warning	CLE	Hancock	41 min
May 25, 5:48 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	42 min
May 25, 5:54 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Seneca, Wyandot	51 min
May 25, 6:00 PM EDT	Areal Flood Warning	CLE	Crawford, Erie, Huron, Wyandot	12 hr
May 25, 6:03 PM EDT	Tornado Warning	CLE	Erie, Huron	57 min
May 25, 6:17 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	58 min
May 25, 6:26 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	49 min
May 25, 6:36 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Huron, Seneca	54 min
May 25, 6:42 PM EDT	Areal Flood Warning	CLE	Cuyahoga, Huron, Lorain, Medina	5 hr
May 25, 6:44 PM EDT	Special Marine Warning	CLE		2 hr
May 25, 6:45 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	45 min
May 25, 6:53 PM EDT	Severe Thunderstorm Warning	CLE	Lorain, Medina	67 min
May 25, 7:00 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion, Wyandot	60 min
May 25, 7:01 PM EDT	Special Marine Warning	CLE		119 min
May 25, 7:09 PM EDT	Flash Flood Warning	CLE	Cuyahoga, Lorain, Medina	4 hr
May 25, 7:19 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	41 min
May 25, 7:21 PM EDT	Flash Flood Warning	CLE	Ashland, Crawford, Marion, Morrow, Richland, Wyandot	6 hr
May 25, 7:31 PM EDT	Tornado Warning	CLE	Summit	29 min
May 25, 7:37 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Wayne	38 min
May 25, 7:42 PM EDT	Areal Flood Warning	CLE	Geauga, Lake, Portage, Summit, Wayne	5 hr
May 25, 7:50 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	55 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.