Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 29, NWS Cleveland, OH

May 12, 2011Holmes County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 12, 2011, 7:02 AM EDT for Holmes County, Ohio. It was in force for 58 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 12, 2011, 7:02 AM EDT (11:02 UTC)
Expired
May 12, 2011, 8:00 AM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Holmes County, OH

The radar

The Cleveland radar (KCLE), 97 km from the middle of the area, began a volume at 11:02 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 12, 7:55 AM EDTHAIL 11 S Farmerstown, 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 00:00Z, 11.0 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 2011-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2011-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3225 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
83 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.

314 
WUUS51 KCLE 121102
SVRCLE
OHC075-121200-
/O.NEW.KCLE.SV.W.0029.110512T1102Z-110512T1200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
702 AM EDT THU MAY 12 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOLMES COUNTY IN NORTHEAST OHIO

* UNTIL 800 AM EDT

* AT 652 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A  SEVERE THUNDERSTORM WITH A HISTORY OF PRODUCING QUARTER SIZE 
HAIL.  THIS STORM WAS LOCATED NEAR NASHVILLE...AND MOVING SOUTHEAST 
AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HOLMESVILLE...
  MILLERSBURG...
  KILLBUCK...
  BERLIN...
  WALNUT CREEK...
  WINESBURG...
  FARMERSTOWN...

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 4046 8217 4058 8218 4057 8222 4058 8222
      4067 8222 4066 8166 4045 8167
TIME...MOT...LOC 1101Z 297DEG 22KT 4062 8203

$$

BRAY
2 follow-up statements
219 
WWUS51 KCLE 121135
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
735 AM EDT THU MAY 12 2011

OHC075-121200-
/O.CON.KCLE.SV.W.0029.000000T0000Z-110512T1200Z/
HOLMES OH-
735 AM EDT THU MAY 12 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM EDT
FOR HOLMES COUNTY...

AT 730 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS STORM WAS LOCATED NEAR MILLERSBURG...MOVING SOUTHEAST AT
20 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
BERLIN...WALNUT CREEK AND FARMERSTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4046 8217 4058 8218 4057 8222 4058 8222
      4067 8222 4066 8166 4045 8167
TIME...MOT...LOC 1134Z 315DEG 17KT 4052 8189

$$

MITCHELL
890 
WWUS51 KCLE 121204
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
804 AM EDT THU MAY 12 2011

OHC075-121214-
/O.EXP.KCLE.SV.W.0029.000000T0000Z-110512T1200Z/
HOLMES OH-
804 AM EDT THU MAY 12 2011

...THE SEVERE THUNDERSTORM WARNING FOR HOLMES COUNTY EXPIRED AT 800
AM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 4046 8217 4058 8218 4057 8222 4058 8222
      4067 8222 4066 8166 4045 8167
TIME...MOT...LOC 1135Z 315DEG 17KT 4052 8189

$$

MITCHELL

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 5:11 AM EDTSevere Thunderstorm WarningCLEAshland, Richland49 min
May 12, 6:03 AM EDTSevere Thunderstorm WarningCLEAshland, Holmes, Wayne57 min
May 12, 8:23 AM EDTSpecial Marine WarningCLE82 min
May 12, 2:50 PM EDTSevere Thunderstorm WarningCLEErie, Huron, Lorain40 min
May 12, 3:33 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake42 min
May 12, 3:34 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Richland, Seneca56 min
May 12, 3:44 PM EDTFlash Flood WarningCLEAshtabula, Geauga, Lake3 hr
May 12, 3:50 PM EDTSevere Thunderstorm WarningCLEAshland, Medina, Wayne55 min
May 12, 3:54 PM EDTSevere Thunderstorm WarningCLEErie, Huron51 min
May 12, 3:56 PM EDTSevere Thunderstorm WarningCLEMedina, Portage, Summit64 min
May 12, 4:08 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina, Summit67 min
May 12, 4:11 PM EDTAreal Flood AdvisoryCLEAshland, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more10 hr
May 12, 4:14 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake46 min
May 12, 4:19 PM EDTSevere Thunderstorm WarningCLETrumbull41 min
May 12, 4:26 PM EDTAreal Flood WarningCLEErie, Huron3 hr
May 12, 4:39 PM EDTSevere Thunderstorm WarningCLEGeauga, Portage, Trumbull51 min
May 12, 4:45 PM EDTSevere Thunderstorm WarningCLEGeauga45 min
May 12, 4:58 PM EDTSevere Thunderstorm WarningCLEAshland, Medina, Wayne47 min
May 12, 5:27 PM EDTAreal Flood AdvisoryCLEMahoning, Trumbull9 hr
May 12, 5:29 PM EDTRiver Flood WarningCLEErie, Huron7 hr
May 12, 5:43 PM EDTSpecial Marine WarningCLE77 min
May 12, 5:58 PM EDTSevere Thunderstorm WarningCLEMahoning47 min
May 12, 6:38 PM EDTAreal Flood AdvisoryCLESandusky, Seneca3 hr
May 12, 6:43 PM EDTAreal Flood WarningCLEGeauga, Lake4 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.