Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 48, NWS Cleveland, OH

May 13, 2011Portage County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 13, 2011, 4:13 PM EDT for Portage County, Ohio. It was in force for 62 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: May 13, 2011, 4:13 PM EDT (20:13 UTC)
Expired: May 13, 2011, 5:15 PM EDT
In force: 62 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Portage County, OH

The radar

The Cleveland radar (KCLE), 67 km from the middle of the area, began a volume at 20:12 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 13, 4:15 PM EDT	HAIL 1.75	Ravenna, OH
May 13, 4:20 PM EDT	HAIL 0.88	Ravenna, OH

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, 8.2 hours before the alert went out and 119 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: 205 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 1018 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 67 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.

522 
WUUS51 KCLE 132013
SVRCLE
OHC133-132115-
/O.NEW.KCLE.SV.W.0048.110513T2013Z-110513T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
413 PM EDT FRI MAY 13 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 515 PM EDT

* AT 412 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
  RAVENNA...AND MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
RURAL CENTRAL PORTAGE COUNTY
RURAL EASTERN PORTAGE COUNTY

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 4107 8137 4125 8133 4124 8100 4099 8100
      4099 8101
TIME...MOT...LOC 2014Z 280DEG 8KT 4114 8123

$$

KING

2 follow-up statements

290 
WWUS51 KCLE 132040
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
440 PM EDT FRI MAY 13 2011

OHC133-132115-
/O.CON.KCLE.SV.W.0048.000000T0000Z-110513T2115Z/
PORTAGE OH-
440 PM EDT FRI MAY 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHERN PORTAGE COUNTY...

AT 435 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE GOLF BALL SIZE HAIL.
THIS STORM WAS LOCATED NEAR RAVENNA...MOVING EAST AT 10 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...WINDHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. THIS IS AN
EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS!

GOLFBALL SIZE HAIL HAS BEEN REPORTED IN RAVENNA WITH THIS STORM. IF 
YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT 
LIFE AND PROPERTY.

&&

LAT...LON 4107 8137 4125 8133 4124 8100 4099 8100
      4099 8101
TIME...MOT...LOC 2039Z 280DEG 8KT 4113 8116

$$
SCHULER

441 
WWUS51 KCLE 132109
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
509 PM EDT FRI MAY 13 2011

OHC133-132119-
/O.EXP.KCLE.SV.W.0048.000000T0000Z-110513T2115Z/
PORTAGE OH-
509 PM EDT FRI MAY 13 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PORTAGE COUNTY
EXPIRES AT 515 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA...HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4107 8137 4125 8133 4124 8100 4099 8100
      4099 8101
TIME...MOT...LOC 2109Z 280DEG 8KT 4112 8107

$$
SCHULER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 9:03 PM EDT	Severe Thunderstorm Warning	CLE	Marion	42 min
May 13, 9:27 AM EDT	Flood Watch	CLE	Ashland, Ashtabula, Cuyahoga, Erie, Geauga, Holmes and 12 more	14 hr
May 13, 12:52 PM EDT	Flash Flood Warning	CLE	Cuyahoga, Geauga, Lake	5 hr
May 13, 2:16 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	44 min
May 13, 2:23 PM EDT	Areal Flood Advisory	CLE	Ashtabula, Geauga, Lake, Mahoning, Portage, Stark and 1 more	5 hr
May 13, 2:34 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Trumbull	41 min
May 13, 2:56 PM EDT	Flash Flood Warning	CLE	Ashtabula, Geauga, Trumbull	3 hr
May 13, 3:38 PM EDT	Areal Flood Advisory	CLE	Ashland, Richland	112 min
May 13, 4:40 PM EDT	Areal Flood Warning	CLE	Medina, Portage, Stark, Summit, Wayne	4 hr
May 13, 4:46 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Summit, Wayne	28 min
May 13, 5:58 PM EDT	Areal Flood Warning	CLE	Ashtabula, Geauga, Trumbull	5 hr
May 13, 6:06 PM EDT	River Flood Warning	CLE	Lake	5 hr
May 13, 7:26 PM EDT	River Flood Warning	CLE	Stark	4 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.