Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 65, NWS Cleveland, OH

May 23, 20115 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 23, 2011, 8:58 PM EDT for 5 counties in Ohio. It was in force for 62 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: May 23, 2011, 8:58 PM EDT (00:58 UTC)
Expired: May 23, 2011, 10:00 PM EDT
In force: 62 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashland County, OH, Huron County, OH, Knox County, OH, Morrow County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 97 km from the middle of the area, began a volume at 00:58 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 23, 9:25 PM EDT	TSTM WND DMG	Bellville, OH	A HALF DOZEN TREES DOWN IN SOUTHERN PART OF COUNTY INCLUDING BELLVILLE.

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 23, 4:28 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.0 hours before the alert went out and 179 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: 729 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

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

858 
WUUS51 KCLE 240058
SVRCLE
OHC005-077-083-117-139-240200-
/O.NEW.KCLE.SV.W.0065.110524T0058Z-110524T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
858 PM EDT MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHLAND COUNTY IN NORTH CENTRAL OHIO
  SOUTHERN HURON COUNTY IN NORTH CENTRAL OHIO
  KNOX COUNTY IN NORTH CENTRAL OHIO
  EASTERN MORROW COUNTY IN NORTH CENTRAL OHIO
  RICHLAND COUNTY IN NORTH CENTRAL OHIO

* UNTIL 1000 PM EDT

* AT 854 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 9 MILES WEST OF PLYMOUTH TO 22 MILES WEST OF CENTERBURG...AND
  MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MANSFIELD...
  ASHLAND...
  MOUNT VERNON...
  PLYMOUTH...
  SHELBY...
  ONTARIO...

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 4029 8274 4034 8274 4035 8277 4071 8275
      4072 8273 4099 8272 4108 8284 4106 8218
      4099 8217 4098 8213 4072 8212 4067 8213
      4067 8222 4057 8222 4057 8220 4024 8219
TIME...MOT...LOC 0058Z 268DEG 30KT 4095 8278 4033 8306

$$

2 follow-up statements

777 
WWUS51 KCLE 240135
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
935 PM EDT MON MAY 23 2011

OHC077-117-240144-
/O.CAN.KCLE.SV.W.0065.000000T0000Z-110524T0200Z/
HURON OH-MORROW OH-
935 PM EDT MON MAY 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MORROW AND SOUTHERN
HURON COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY MORNING FOR NORTHERN OHIO. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 200 AM EDT TUESDAY MORNING FOR NORTHEAST OHIO
AND NORTHWEST PENNSYLVANIA.

LAT...LON 4033 8222 4032 8266 4042 8264 4058 8251
      4071 8262 4084 8260 4084 8221 4067 8220
      4067 8222 4057 8222 4057 8220
TIME...MOT...LOC 0134Z 268DEG 30KT 4077 8248 4057 8235
          4036 8249

$$

OHC005-083-139-240200-
/O.CON.KCLE.SV.W.0065.000000T0000Z-110524T0200Z/
ASHLAND OH-KNOX OH-RICHLAND OH-
935 PM EDT MON MAY 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR SOUTHEASTERN RICHLAND...KNOX AND SOUTHERN ASHLAND COUNTIES...

AT 931 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 MANSFIELD TO BUTLER TO MOUNT
VERNON...MOVING EAST AT 35 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
PERRYSVILLE...GAMBIER...MIFFLIN...LOUDONVILLE...DANVILLE AND
HAYESVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4033 8222 4032 8266 4042 8264 4058 8251
      4071 8262 4084 8260 4084 8221 4067 8220
      4067 8222 4057 8222 4057 8220
TIME...MOT...LOC 0134Z 268DEG 30KT 4077 8248 4057 8235
          4036 8249

$$

THOMPSON

837 
WWUS51 KCLE 240152
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
952 PM EDT MON MAY 23 2011

OHC005-083-139-240203-
/O.EXP.KCLE.SV.W.0065.000000T0000Z-110524T0200Z/
ASHLAND OH-KNOX OH-RICHLAND OH-
952 PM EDT MON MAY 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RICHLAND...KNOX
AND SOUTHERN ASHLAND COUNTIES EXPIRES AT 1000 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY MORNING FOR NORTHERN OHIO. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 200 AM EDT TUESDAY MORNING FOR NORTHEAST OHIO
AND NORTHWEST PENNSYLVANIA.

LAT...LON 4033 8222 4032 8266 4042 8264 4058 8251
      4071 8262 4084 8260 4084 8221 4067 8220
      4067 8222 4057 8222 4057 8220
TIME...MOT...LOC 0153Z 268DEG 30KT 4077 8227 4057 8214
          4036 8228

$$

THOMPSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 8:08 PM EDT	Tornado Warning	CLE	Portage, Trumbull	37 min
May 23, 8:14 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Seneca, Wyandot	61 min
May 23, 8:19 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	29 min
May 23, 8:37 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion, Morrow, Seneca	36 min
May 23, 8:38 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	52 min
May 23, 8:43 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	33 min
May 23, 9:26 PM EDT	Special Marine Warning	CLE		2 hr
May 23, 9:28 PM EDT	Severe Thunderstorm Warning	CLE	Huron, Lorain	28 min
May 23, 9:37 PM EDT	Severe Thunderstorm Warning	CLE	Holmes, Wayne	38 min
May 23, 9:46 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga	38 min
May 23, 10:04 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Trumbull	56 min
May 24, 6:03 PM EDT	Areal Flood Warning	CLE	Mahoning, Portage, Stark, Summit	100 min
May 24, 7:58 PM EDT	Areal Flood Advisory	CLE	Stark, Wayne	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.