Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 77, NWS Cleveland, OH

June 29, 2012Seneca County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 29, 2012, 4:33 PM EDT for Seneca County, Ohio. It was in force for 43 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, 4:33 PM EDT (20:33 UTC)
Expired
Jun 29, 2012, 5:16 PM EDT
In force
43 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Seneca County, OH

The radar

The Cleveland radar (KCLE), 105 km from the middle of the area, began a volume at 20:35 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, 4:44 PM EDTTSTM WND DMG3 Sw New Riegel, OHNUMEROUS TREES DOWN, NO POWER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.6 hours before the alert went out and 180 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, Detroit, MI at 12:00Z on 2012-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 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, Detroit, MI at 12:00Z on 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -106 square meters per square second.1939587897Sfc1 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
35 J/kg
Mixed-layer CIN
-717 J/kg
Mixed-layer LCL
1671 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-106 m²/s²
0-3 km storm-relative helicity
12 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.

518 
WUUS51 KCLE 292033
SVRCLE
OHC147-292130-
/O.NEW.KCLE.SV.W.0077.120629T2033Z-120629T2130Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SENECA COUNTY IN NORTHWEST OHIO

* UNTIL 530 PM EDT

* AT 424 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 16   
MILES SOUTHWEST OF FOSTORIA...AND MOVING EAST SOUTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FOSTORIA...
  TIFFIN...
  NEW RIEGEL...
  BLOOMVILLE...

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 4125 8342 4126 8286 4125 8285 4116 8283
      4100 8283 4099 8286 4099 8301 4099 8342
TIME...MOT...LOC 2032Z 285DEG 34KT 4102 8357

$$

BRAY
1 follow-up statement
534 
WWUS51 KCLE 292116
SVSCLE

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

OHC147-292126-
/O.CAN.KCLE.SV.W.0077.000000T0000Z-120629T2130Z/
SENECA OH-
516 PM EDT FRI JUN 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR SENECA COUNTY IS CANCELLED...

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

LAT...LON 4125 8342 4126 8286 4125 8285 4116 8283
      4100 8283 4099 8286 4099 8301 4099 8342
TIME...MOT...LOC 2116Z 285DEG 34KT 4091 8304

$$

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, 4:40 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, 5:08 PM EDTSevere Thunderstorm WarningCLEAshland55 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.