Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 139, NWS Cleveland, OH

July 26, 2012Summit County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 26, 2012, 3:10 PM EDT for Summit County, Ohio. It was in force for 50 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
Jul 26, 2012, 3:10 PM EDT (19:10 UTC)
Expired
Jul 26, 2012, 4:00 PM EDT
In force
50 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Summit County, OH

The radar

The Cleveland radar (KCLE), 32 km from the middle of the area, began a volume at 19:12 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
Jul 26, 3:30 PM EDTTSTM WND DMGAkron, OHFEW TREES DOWN.

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
Jul 26, 1:16 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.2 hours before the alert went out and 154 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 2012-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2136 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 12:00Z on 2012-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 284 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
2136 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
284 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
1.7
Supercell composite
13.9

Open this sounding in Storm Lab

The text

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

414 
WUUS51 KCLE 261910
SVRCLE
OHC153-262000-
/O.NEW.KCLE.SV.W.0139.120726T1910Z-120726T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
310 PM EDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 400 PM EDT

* AT 307 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 NEAR
  CUYAHOGA FALLS...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CUYAHOGA FALLS...
  TALLMADGE...
  HUDSON...
  MACEDONIA...
  MOGADORE...
  TWINSBURG...

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 4127 8168 4128 8156 4133 8159 4135 8159
      4134 8140 4099 8140 4099 8168
TIME...MOT...LOC 1910Z 261DEG 32KT 4115 8157

$$

LAPLANTE
2 follow-up statements
190 
WWUS51 KCLE 261943
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
343 PM EDT THU JUL 26 2012

OHC153-262000-
/O.CON.KCLE.SV.W.0139.000000T0000Z-120726T2000Z/
SUMMIT OH-
343 PM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SUMMIT COUNTY...

AT 336 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR TALLMADGE...OR NEAR AKRON...MOVING EAST AT 30 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM 
INCLUDE...TALLMADGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4127 8168 4128 8156 4133 8159 4135 8159
      4134 8140 4099 8140 4099 8168
TIME...MOT...LOC 1939Z 271DEG 28KT 4108 8140

$$

MITCHELL
240 
WWUS51 KCLE 261957
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
357 PM EDT THU JUL 26 2012

OHC153-262007-
/O.EXP.KCLE.SV.W.0139.000000T0000Z-120726T2000Z/
SUMMIT OH-
357 PM EDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR SUMMIT COUNTY EXPIRES AT 400
PM EDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4127 8168 4128 8156 4133 8159 4135 8159
      4134 8140 4099 8140 4099 8168
TIME...MOT...LOC 1957Z 271DEG 28KT 4108 8121

$$

MITCHELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 10:05 PM EDTSmall Craft AdvisoryCLE22 hr
Jul 26, 2:55 AM EDTSpecial Marine WarningCLE110 min
Jul 26, 1:00 PM EDTSevere Thunderstorm WarningCLEAshtabula, Trumbull45 min
Jul 26, 1:12 PM EDTSevere Thunderstorm WarningCLEPortage, Summit48 min
Jul 26, 1:15 PM EDTSevere Thunderstorm WarningCLEAshtabula60 min
Jul 26, 1:21 PM EDTTornado WarningCLEAshtabula, Trumbull24 min
Jul 26, 1:38 PM EDTSevere Thunderstorm WarningCLEWayne52 min
Jul 26, 1:58 PM EDTSevere Thunderstorm WarningCLEStark47 min
Jul 26, 2:28 PM EDTSevere Thunderstorm WarningCLEMahoning47 min
Jul 26, 3:53 PM EDTSevere Thunderstorm WarningCLEKnox, Morrow52 min
Jul 26, 4:01 PM EDTSevere Thunderstorm WarningCLEKnox44 min
Jul 26, 4:49 PM EDTSevere Thunderstorm WarningCLEHolmes41 min
Jul 26, 5:35 PM EDTSpecial Marine WarningCLE85 min
Jul 26, 5:37 PM EDTAreal Flood AdvisoryCLEMedina, Summit3 hr
Jul 26, 5:53 PM EDTSevere Thunderstorm WarningCLEErie, Lorain36 min
Jul 26, 5:55 PM EDTSevere Thunderstorm WarningCLEPortage37 min
Jul 26, 6:16 PM EDTSevere Thunderstorm WarningCLEMahoning35 min
Jul 26, 6:46 PM EDTSpecial Marine WarningCLE52 min
Jul 26, 6:50 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lake40 min
Jul 26, 7:33 PM EDTRiver Flood WarningCLEGeauga, Portage, Summit2 hr

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.