Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 271, NWS Cleveland, OH

August 25, 2011Ashland County, Richland County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 25, 2011, 12:01 AM EDT for Ashland County, Richland County, Ohio. It was in force for 59 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
Aug 25, 2011, 12:01 AM EDT (04:01 UTC)
Expired
Aug 25, 2011, 1:00 AM EDT
In force
59 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashland County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 84 km from the middle of the area, began a volume at 04:03 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
Aug 24, 9:18 PM EDTSevere Thunderstorm WatchSPC6 hr
Aug 24, 10:27 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.0 hours before the alert went out and 191 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, Cncnati-Daytn, OH at 00:00Z on 2011-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3854 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, Cncnati-Daytn, OH at 00:00Z on 2011-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.193958Sfc1 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
3854 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1316 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
1.8
Supercell composite
15.7

Open this sounding in Storm Lab

The text

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

015 
WUUS51 KCLE 250401
SVRCLE
OHC005-139-250500-
/O.NEW.KCLE.SV.W.0271.110825T0401Z-110825T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1201 AM EDT THU AUG 25 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHLAND COUNTY IN NORTH CENTRAL OHIO
  RICHLAND COUNTY IN NORTH CENTRAL OHIO

* UNTIL 100 AM EDT

* AT 1158 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 6 MILES NORTHEAST OF PLYMOUTH TO 23 MILES WEST OF SHELBY...AND
  MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MANSFIELD...
  ASHLAND...
  SHELBY...
  SAVANNAH...
  ONTARIO...
  LEXINGTON...
  POLK...
  BELLVILLE...

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 4063 8262 4064 8265 4071 8262 4071 8273
      4099 8272 4099 8244 4107 8243 4106 8218
      4100 8217 4099 8213 4067 8212 4066 8222
      4056 8223 4055 8262
TIME...MOT...LOC 0401Z 276DEG 53KT 4105 8253 4076 8301

$$

KUBINA
2 follow-up statements
211 
WWUS51 KCLE 250437
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1237 AM EDT THU AUG 25 2011

OHC005-139-250500-
/O.CON.KCLE.SV.W.0271.000000T0000Z-110825T0500Z/
ASHLAND OH-RICHLAND OH-
1237 AM EDT THU AUG 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM EDT
FOR RICHLAND AND ASHLAND COUNTIES...

AT 1235 AM 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 18 MILES EAST OF POLK TO LUCAS...MOVING EAST AT 60
MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...RURAL
SOUTHEASTERN ASHLAND COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EDT THURSDAY MORNING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4063 8262 4064 8265 4071 8262 4071 8273
      4099 8272 4099 8244 4107 8243 4106 8218
      4100 8217 4099 8213 4067 8212 4066 8222
      4056 8223 4055 8262
TIME...MOT...LOC 0437Z 276DEG 53KT 4099 8183 4070 8231

$$

SCHULER
357 
WWUS51 KCLE 250459
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1259 AM EDT THU AUG 25 2011

OHC005-139-250509-
/O.EXP.KCLE.SV.W.0271.000000T0000Z-110825T0500Z/
ASHLAND OH-RICHLAND OH-
1259 AM EDT THU AUG 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR RICHLAND AND ASHLAND COUNTIES
EXPIRES AT 100 AM EDT...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EDT THURSDAY MORNING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4063 8262 4064 8265 4071 8262 4071 8273
      4099 8272 4099 8244 4107 8243 4106 8218
      4100 8217 4099 8213 4067 8212 4066 8222
      4056 8223 4055 8262
TIME...MOT...LOC 0459Z 276DEG 53KT 4095 8140 4066 8189

$$

SCHULER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 9:52 PM EDTSpecial Marine WarningCLE113 min
Aug 24, 10:11 PM EDTSevere Thunderstorm WarningCLELucas, Wood64 min
Aug 24, 11:04 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky41 min
Aug 24, 11:07 PM EDTSevere Thunderstorm WarningCLEHancock53 min
Aug 24, 11:13 PM EDTAreal Flood AdvisoryCLEHancock, Lucas, Sandusky, Seneca, Wood3 hr
Aug 24, 11:14 PM EDTSevere Thunderstorm WarningCLESeneca, Wood61 min
Aug 24, 11:27 PM EDTSpecial Marine WarningCLE2 hr
Aug 24, 11:30 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake75 min
Aug 24, 11:31 PM EDTSevere Thunderstorm WarningCLEWyandot44 min
Aug 24, 11:35 PM EDTSevere Thunderstorm WarningCLEErie, Huron40 min
Aug 24, 11:49 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain, Medina71 min
Aug 24, 11:53 PM EDTSevere Thunderstorm WarningCLECrawford, Marion42 min
Aug 25, 12:26 AM EDTSevere Thunderstorm WarningCLEGeauga, Portage, Summit, Wayne79 min
Aug 25, 12:32 AM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Lake3 hr
Aug 25, 12:41 AM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake79 min
Aug 25, 1:09 AM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull66 min
Aug 25, 1:12 AM EDTSevere Thunderstorm WarningCLEStark48 min
Aug 25, 1:27 AM EDTTornado WarningCLETrumbull25 min
Aug 25, 1:31 AM EDTAreal Flood WarningCLEAshtabula3 hr
Aug 25, 1:36 AM EDTAreal Flood AdvisoryCLEMahoning, Trumbull3 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.