Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 144, NWS Cleveland, OH

July 26, 2012Portage County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 26, 2012, 5:55 PM EDT for Portage County, Ohio. It was in force for 37 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, 5:55 PM EDT (21:55 UTC)
Expired: Jul 26, 2012, 6:32 PM EDT
In force: 37 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Portage County, OH

The radar

The Cleveland radar (KCLE), 57 km from the middle of the area, began a volume at 21:54 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

Time	Report	Where	Remark
Jul 26, 6:17 PM EDT	TSTM WND DMG	4 S Ravenna, OH	5 TREES DOWN ON HOUSES.

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.

Issued	Product	Office	Lasted
Jul 26, 1:16 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.9 hours before the alert went out and 130 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

223 
WUUS51 KCLE 262155
SVRCLE
OHC133-262245-
/O.NEW.KCLE.SV.W.0144.120726T2155Z-120726T2245Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 645 PM EDT

* AT 549 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 8 MILES
  SOUTH OF KENT...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GARRETTSVILLE...

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 4135 8139 4134 8100 4099 8100 4099 8139
TIME...MOT...LOC 2155Z 268DEG 30KT 4104 8125

$$

LAPLANTE

1 follow-up statement

063 
WWUS51 KCLE 262232
SVSCLE

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

OHC133-262242-
/O.CAN.KCLE.SV.W.0144.000000T0000Z-120726T2245Z/
PORTAGE OH-
632 PM EDT THU JUL 26 2012

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

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 4135 8139 4134 8100 4099 8100 4099 8139
TIME...MOT...LOC 2232Z 268DEG 30KT 4105 8084

$$

MITCHELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 10:05 PM EDT	Small Craft Advisory	CLE		22 hr
Jul 26, 2:55 AM EDT	Special Marine Warning	CLE		110 min
Jul 26, 1:00 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Trumbull	45 min
Jul 26, 1:12 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Summit	48 min
Jul 26, 1:15 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	60 min
Jul 26, 1:21 PM EDT	Tornado Warning	CLE	Ashtabula, Trumbull	24 min
Jul 26, 1:38 PM EDT	Severe Thunderstorm Warning	CLE	Wayne	52 min
Jul 26, 1:58 PM EDT	Severe Thunderstorm Warning	CLE	Stark	47 min
Jul 26, 2:28 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	47 min
Jul 26, 3:10 PM EDT	Severe Thunderstorm Warning	CLE	Summit	50 min
Jul 26, 3:53 PM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow	52 min
Jul 26, 4:01 PM EDT	Severe Thunderstorm Warning	CLE	Knox	44 min
Jul 26, 4:49 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	41 min
Jul 26, 5:35 PM EDT	Special Marine Warning	CLE		85 min
Jul 26, 5:37 PM EDT	Areal Flood Advisory	CLE	Medina, Summit	3 hr
Jul 26, 5:53 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Lorain	36 min
Jul 26, 6:16 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	35 min
Jul 26, 6:46 PM EDT	Special Marine Warning	CLE		52 min
Jul 26, 6:50 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Lake	40 min
Jul 26, 7:33 PM EDT	River Flood Warning	CLE	Geauga, Portage, Summit	2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every 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.