Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 20, NWS Cleveland, OH

April 27, 2011Geauga County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 27, 2011, 1:40 PM EDT for Geauga County, Lake County, Ohio. It was in force for 50 min. 4 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: Apr 27, 2011, 1:40 PM EDT (17:40 UTC)
Expired: Apr 27, 2011, 2:30 PM EDT
In force: 50 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Geauga County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 55 km from the middle of the area, began a volume at 17:41 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
Apr 27, 1:45 PM EDT	TSTM WND GST 59	Richmond Hts, OH
Apr 27, 1:58 PM EDT	TSTM WND DMG	Kirtland, OH	SEVERAL TREES DOWN
Apr 27, 2:05 PM EDT	TSTM WND DMG	Painesville Twp, OH	SEVERAL TREES DOWN
Apr 27, 2:17 PM EDT	TSTM WND DMG	Leroy, OH	SEVERAL TREES DOWN

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, 5.7 hours before the alert went out and 163 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: 393 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1147 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

204 
WUUS51 KCLE 271740
SVRCLE
OHC055-085-271830-
/O.NEW.KCLE.SV.W.0020.110427T1740Z-110427T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
140 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEAUGA COUNTY IN NORTHEAST OHIO
  LAKE COUNTY IN NORTHEAST OHIO

* UNTIL 230 PM EDT

* AT 136 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 10 MILES WEST OF EASTLAKE TO 18 MILES SOUTHWEST OF SOUTH
  RUSSELL...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PAINESVILLE...
  CHARDON...
  WILLOUGHBY...
  EASTLAKE...
  SOUTH RUSSELL...
  MENTOR...
  CHESTERLAND...
  BURTON...
  MIDDLEFIELD...

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 4136 8101 4134 8105 4135 8139 4144 8138
      4145 8139 4157 8139 4157 8149 4163 8149
      4174 8136 4174 8130 4177 8126 4176 8124
      4181 8116 4185 8101 4185 8100
TIME...MOT...LOC 1740Z 222DEG 40KT 4174 8157 4129 8153

$$

LAPLANTE

2 follow-up statements

156 
WWUS51 KCLE 271807
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
207 PM EDT WED APR 27 2011

OHC055-085-271830-
/O.CON.KCLE.SV.W.0020.000000T0000Z-110427T1830Z/
GEAUGA OH-LAKE OH-
207 PM EDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR LAKE AND GEAUGA COUNTIES...

AT 204 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES NORTH OF FAIRPORT HARBOR TO CHESTERLAND...
MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  PAINESVILLE...        CHARDON...

LAT...LON 4136 8101 4134 8105 4135 8139 4144 8138
      4145 8139 4157 8139 4157 8149 4163 8149
      4174 8136 4174 8130 4177 8126 4176 8124
      4181 8116 4185 8101 4185 8100
TIME...MOT...LOC 1807Z 222DEG 40KT 4196 8130 4151 8126

$$

KUBINA

341 
WWUS51 KCLE 271831
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
231 PM EDT WED APR 27 2011

OHC055-085-271842-
/O.EXP.KCLE.SV.W.0020.000000T0000Z-110427T1830Z/
GEAUGA OH-LAKE OH-
231 PM EDT WED APR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR LAKE AND GEAUGA COUNTIES
EXPIRES AT 230 PM EDT...

LAT...LON 4136 8101 4134 8105 4135 8139 4144 8138
      4145 8139 4157 8139 4157 8149 4163 8149
      4174 8136 4174 8130 4177 8126 4176 8124
      4181 8116 4185 8101 4185 8100
TIME...MOT...LOC 1807Z 222DEG 40KT 4196 8130 4151 8126

$$

KUBINA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 11:25 AM EDT	Tornado Warning	CLE	Lucas, Wood	17 min
Apr 27, 11:56 AM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow, Richland	49 min
Apr 27, 12:13 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Knox, Richland	33 min
Apr 27, 12:34 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Huron, Lorain	41 min
Apr 27, 12:51 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain, Medina, Wayne	39 min
Apr 27, 1:04 PM EDT	Special Marine Warning	CLE		116 min
Apr 27, 1:19 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Medina, Summit	41 min
Apr 27, 2:26 PM EDT	Special Marine Warning	CLE		64 min
Apr 27, 2:27 PM EDT	Small Craft Advisory	CLE		7 hr
Apr 27, 4:53 PM EDT	River Flood Warning	CLE	Mahoning	5 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.