Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 62, NWS Cleveland, OH

May 23, 2011Ashtabula County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 23, 2011, 8:38 PM EDT for Ashtabula County, Ohio. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 23, 2011, 8:38 PM EDT (00:38 UTC)
Expired
May 23, 2011, 9:30 PM EDT
In force
52 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Ashtabula County, OH

The radar

The Cleveland radar (KCLE), 92 km from the middle of the area, began a volume at 00:40 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 23, 8:31 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.6 hours before the alert went out and 167 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 00:00Z on 2011-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 369 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2011-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 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
369 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1384 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
340 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

310 
WUUS51 KCLE 240038
SVRCLE
OHC007-240130-
/O.NEW.KCLE.SV.W.0062.110524T0038Z-110524T0130Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ASHTABULA COUNTY IN NORTHEAST OHIO

* UNTIL 930 PM EDT

* AT 835 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 8 MILES
  SOUTHWEST OF GENEVA...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JEFFERSON...
  ASHTABULA...
  GENEVA...
  NORTH KINGSVILLE...
  CONNEAUT...

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 4164 8052 4165 8100 4165 8101 4185 8100
      4187 8095 4187 8096 4188 8091 4188 8092
      4188 8089 4198 8052
TIME...MOT...LOC 0038Z 263DEG 45KT 4175 8103

$$

KING
1 follow-up statement
200 
WWUS51 KCLE 240127
SVSCLE

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

OHC007-240137-
/O.EXP.KCLE.SV.W.0062.000000T0000Z-110524T0130Z/
ASHTABULA OH-
927 PM EDT MON MAY 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ASHTABULA COUNTY
EXPIRES AT 930 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 4164 8052 4165 8100 4165 8101 4185 8100
      4187 8095 4187 8096 4188 8091 4188 8092
      4188 8089 4198 8052
TIME...MOT...LOC 0127Z 277DEG 26KT 4175 8045

$$

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:08 PM EDTTornado WarningCLEPortage, Trumbull37 min
May 23, 8:14 PM EDTSevere Thunderstorm WarningCLEMarion, Seneca, Wyandot61 min
May 23, 8:19 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake29 min
May 23, 8:37 PM EDTSevere Thunderstorm WarningCLECrawford, Marion, Morrow, Seneca36 min
May 23, 8:43 PM EDTSevere Thunderstorm WarningCLETrumbull33 min
May 23, 8:58 PM EDTSevere Thunderstorm WarningCLEAshland, Huron, Knox, Morrow, Richland62 min
May 23, 9:26 PM EDTSpecial Marine WarningCLE2 hr
May 23, 9:28 PM EDTSevere Thunderstorm WarningCLEHuron, Lorain28 min
May 23, 9:37 PM EDTSevere Thunderstorm WarningCLEHolmes, Wayne38 min
May 23, 9:46 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga38 min
May 23, 10:04 PM EDTSevere Thunderstorm WarningCLEPortage, Trumbull56 min
May 24, 6:03 PM EDTAreal Flood WarningCLEMahoning, Portage, Stark, Summit100 min
May 24, 7:58 PM EDTAreal Flood AdvisoryCLEStark, Wayne3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.