Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 6, NWS Cleveland, OH

May 23, 2011Cuyahoga County, Summit County, Ohio

NWS Cleveland, OH issued this tornado warning at May 23, 2011, 7:27 PM EDT for Cuyahoga County, Summit County, Ohio. It was in force for 33 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 23, 2011, 7:27 PM EDT (23:27 UTC)
Expired
May 23, 2011, 8:00 PM EDT
In force
33 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Cuyahoga County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 24 km from the middle of the area, began a volume at 23:27 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

TimeReportWhereRemark
May 23, 7:30 PM EDTHAIL 1.25Parma, OH
May 23, 7:45 PM EDTHAIL 1Twinsburg, OH

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.

IssuedProductOfficeLasted
May 23, 4:28 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.5 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2011-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2011-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
25 J/kg
Mixed-layer CIN
-215 J/kg
Mixed-layer LCL
1450 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
140 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.

363 
WFUS51 KCLE 232327
TORCLE
OHC035-153-240000-
/O.NEW.KCLE.TO.W.0006.110523T2327Z-110524T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
727 PM EDT MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CUYAHOGA COUNTY IN NORTHEAST OHIO
  NORTHERN SUMMIT COUNTY IN NORTHEAST OHIO

* UNTIL 800 PM EDT

* AT 722 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR NORTH ROYALTON...OR 8 MILES EAST OF
  STRONGSVILLE...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BEDFORD...
  GLENWILLOW...
  TWINSBURG...
  BEDFORD HEIGHTS...
  MACEDONIA...
  SOLON...
  BENTLEYVILLE...
  MORELAND HILLS...
  HUNTING VALLEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

&&

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

LAT...LON 4153 8140 4127 8140 4123 8169 4128 8169
      4128 8173 4140 8177
TIME...MOT...LOC 2327Z 256DEG 43KT 4134 8161

$$

LAPLANTE
1 follow-up statement
361 
WWUS51 KCLE 232359
SVSCLE

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

OHC035-153-240009-
/O.EXP.KCLE.TO.W.0006.000000T0000Z-110524T0000Z/
CUYAHOGA OH-SUMMIT OH-
759 PM EDT MON MAY 23 2011

...THE TORNADO WARNING FOR NORTHERN SUMMIT AND SOUTHEASTERN CUYAHOGA
COUNTIES EXPIRES AT 800 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY MORNING FOR NORTHERN OHIO.

LAT...LON 4153 8140 4127 8140 4123 8169 4128 8169
      4128 8173 4140 8177
TIME...MOT...LOC 2359Z 256DEG 43KT 4143 8111

$$

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 10:16 PM EDTSpecial Marine WarningCLE74 min
May 22, 11:24 PM EDTSpecial Marine WarningCLE81 min
May 23, 4:36 PM EDTSevere Thunderstorm WarningCLEWood39 min
May 23, 4:42 PM EDTSpecial Marine WarningCLE93 min
May 23, 5:03 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky42 min
May 23, 5:20 PM EDTSevere Thunderstorm WarningCLELucas11 min
May 23, 5:42 PM EDTSpecial Marine WarningCLE2 hr
May 23, 5:43 PM EDTSevere Thunderstorm WarningCLEErie, Huron47 min
May 23, 6:25 PM EDTSpecial Marine WarningCLE50 min
May 23, 6:27 PM EDTSevere Thunderstorm WarningCLELorain48 min
May 23, 6:49 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain56 min
May 23, 6:58 PM EDTTornado WarningCLECuyahoga, Lorain, Medina32 min
May 23, 7:37 PM EDTAreal Flood AdvisoryCLECuyahoga, Lorain113 min
May 23, 7:37 PM EDTSpecial Marine WarningCLE113 min
May 23, 7:39 PM EDTSevere Thunderstorm WarningCLEHancock55 min
May 23, 7:45 PM EDTSevere Thunderstorm WarningCLEGeauga, Portage45 min
May 23, 7:53 PM EDTSpecial Marine WarningCLE2 hr

Nearby

Tornado Warnings in Ohio, 2011Every tornado warning in 2011Tornadoes 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.