Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 81, NWS Cleveland, OH

June 29, 2012Ashland County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 29, 2012, 5:08 PM EDT for Ashland County, Ohio. It was in force for 55 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
Jun 29, 2012, 5:08 PM EDT (21:08 UTC)
Expired
Jun 29, 2012, 6:03 PM EDT
In force
55 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Ashland County, OH

The radar

The Cleveland radar (KCLE), 77 km from the middle of the area, began a volume at 21:11 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
Jun 29, 5:47 PM EDTTSTM WND DMG1 W Loudonville, OHMULTIPLE TREES DOWN IN MOHICAN STATE PARK.

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
Jun 29, 3:02 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.1 hours before the alert went out and 189 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 2012-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2131 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 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
2131 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

046 
WUUS51 KCLE 292108
SVRCLE
OHC005-292230-
/O.NEW.KCLE.SV.W.0081.120629T2108Z-120629T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
508 PM EDT FRI JUN 29 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 630 PM EDT

* AT 507 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.  THIS STORM WAS LOCATED 21
  MILES WEST OF HAYESVILLE...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ASHLAND...
  SAVANNAH...
  HAYESVILLE...
  POLK...
  LOUDONVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE 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 4072 8234 4073 8238 4081 8239 4082 8242
      4106 8243 4106 8218 4099 8217 4099 8213
      4067 8212 4067 8222 4057 8222 4056 8234
TIME...MOT...LOC 2108Z 285DEG 62KT 4066 8261

$$

BRAY
2 follow-up statements
721 
WWUS51 KCLE 292142
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
542 PM EDT FRI JUN 29 2012

OHC005-292230-
/O.CON.KCLE.SV.W.0081.000000T0000Z-120629T2230Z/
ASHLAND OH-
542 PM EDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHERN ASHLAND COUNTY...

AT 538 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 75 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM LOUDONVILLE TO 9 MILES SOUTH
OF LOUDONVILLE...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE....

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR NORTHERN OHIO.

&&

LAT...LON 4056 8234 4072 8234 4073 8238 4081 8239
      4082 8242 4089 8242 4089 8213 4067 8212
      4067 8222 4057 8222
TIME...MOT...LOC 2142Z 283DEG 62KT 4069 8211 4048 8212

$$

KUBINA
229 
WWUS51 KCLE 292203
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
603 PM EDT FRI JUN 29 2012

OHC005-292214-
/O.CAN.KCLE.SV.W.0081.000000T0000Z-120629T2230Z/
ASHLAND OH-
603 PM EDT FRI JUN 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ASHLAND COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR NORTHERN OHIO.

LAT...LON 4056 8234 4072 8234 4073 8238 4081 8239
      4082 8242 4089 8242 4089 8213 4067 8212
      4067 8222 4057 8222
TIME...MOT...LOC 2204Z 283DEG 62KT 4060 8162 4039 8164

$$

KUBINA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 11:19 PM EDTSevere Thunderstorm WarningCLEAshtabula, Trumbull56 min
Jun 29, 12:05 AM EDTSevere Thunderstorm WarningCLEAshtabula55 min
Jun 29, 3:59 AM EDTHeat AdvisoryCLEAshland, Crawford, Cuyahoga, Erie, Hancock, Holmes and 19 more11 hr
Jun 29, 3:49 PM EDTSevere Thunderstorm WarningCLEHancock, Wood56 min
Jun 29, 4:19 PM EDTSevere Thunderstorm WarningCLEMarion, Wyandot56 min
Jun 29, 4:33 PM EDTSevere Thunderstorm WarningCLESeneca43 min
Jun 29, 4:40 PM EDTSevere Thunderstorm WarningCLEHancock16 min
Jun 29, 4:42 PM EDTSevere Thunderstorm WarningCLECrawford, Morrow50 min
Jun 29, 4:55 PM EDTSevere Thunderstorm WarningCLEKnox, Richland61 min
Jun 29, 5:20 PM EDTSevere Thunderstorm WarningCLEHolmes56 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Every severe thunderstorm warning in 2012

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.