Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 3, NWS Cleveland, OH

January 17, 20124 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jan 17, 2012, 4:26 PM EST for 4 counties in Ohio. It was in force for 49 min. 4 reports 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: Jan 17, 2012, 4:26 PM EST (21:26 UTC)
Expired: Jan 17, 2012, 5:15 PM EST
In force: 49 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Cuyahoga County, OH, Geauga County, OH, Portage County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 41 km from the middle of the area, began a volume at 21:29 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
Jan 17, 4:30 PM EST	TSTM WND DMG	Bainbridge, OH	DOWNED TRAFFIC LIGHT AT THE INTERSECTION OF ROUTE 306 AND 422
Jan 17, 4:35 PM EST	TSTM WND DMG	Akron, OH	TREES WERE DOWNED ON SOUTH HAWKINS DRIVE AND DELIA DRIVE AS WELL AS TRAIL AVENUE AND MANCHESTER ROAD.
Jan 17, 4:35 PM EST	TSTM WND DMG	Chagrin Falls, OH	TREE DOWN ON A HOUSE
Jan 17, 4:45 PM EST	TSTM WND DMG	7 S Middlefield, OH	LARGE TREE DOWNED NEAR THE PARKMAN POST OFFICE

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.4 hours before the alert went out and 144 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 565 m²/s²
0-3 km storm-relative helicity: 544 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.

808 
WUUS51 KCLE 172126
SVRCLE
OHC035-055-133-153-172215-
/O.NEW.KCLE.SV.W.0003.120117T2126Z-120117T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
426 PM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CUYAHOGA COUNTY IN NORTHEAST OHIO
  SOUTHERN GEAUGA COUNTY IN NORTHEAST OHIO
  PORTAGE COUNTY IN NORTHEAST OHIO
  SUMMIT COUNTY IN NORTHEAST OHIO

* UNTIL 515 PM EST

* AT 420 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING SMALL 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE   
LOCATED ALONG A LINE EXTENDING FROM CHESTERLAND TO SOLON TO 6 
MILES   NORTH OF CUYAHOGA FALLS...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RAVENNA...
  KENT...
  STREETSBORO...
  MANTUA...
  BURTON...
  MIDDLEFIELD...
  GARRETTSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4091 8164 4098 8165 4099 8169 4127 8168
      4128 8160 4132 8158 4135 8159 4135 8157
      4157 8146 4149 8100 4099 8100 4099 8141
      4091 8143
TIME...MOT...LOC 2126Z 274DEG 47KT 4155 8128 4140 8131
          4124 8146

$$

LAPLANTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 17, 4:23 AM EST	Gale Warning	CLE		24 hr
Jan 17, 2:52 PM EST	Severe Thunderstorm Warning	CLE	Erie	23 min
Jan 17, 3:12 PM EST	Wind Advisory	CLE	Ashtabula, Cuyahoga, Lake	7 hr
Jan 17, 4:13 PM EST	Severe Thunderstorm Warning	CLE	Geauga, Lake	47 min
Jan 17, 4:32 PM EST	Severe Thunderstorm Warning	CLE	Ashtabula	43 min
Jan 17, 5:01 PM EST	Severe Thunderstorm Warning	CLE	Ashtabula, Mahoning, Portage, Trumbull	59 min
Jan 17, 5:04 PM EST	River Flood Warning	CLE	Lorain	15 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.