Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 68, NWS Cleveland, OH

June 18, 2012Ashland County, Wayne County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 18, 2012, 4:39 PM EDT for Ashland County, Wayne County, Ohio. It was in force for 51 min. 2 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: Jun 18, 2012, 4:39 PM EDT (20:39 UTC)
Expired: Jun 18, 2012, 5:30 PM EDT
In force: 51 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashland County, OH, Wayne County, OH

The radar

The Cleveland radar (KCLE), 72 km from the middle of the area, began a volume at 20:39 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
Jun 18, 4:40 PM EDT	TSTM WND DMG	3 Nw Wooster, OH	TREE DOWN.
Jun 18, 5:00 PM EDT	TSTM WND DMG	2 Ne Shreve, OH	TREE DOWN.

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, 8.7 hours before the alert went out and 175 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: 308 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 567 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 41 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.

504 
WUUS51 KCLE 182039
SVRCLE
OHC005-169-182130-
/O.NEW.KCLE.SV.W.0068.120618T2039Z-120618T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
439 PM EDT MON JUN 18 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 530 PM EDT

* AT 430 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
  HAYESVILLE...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WOOSTER...
  SHREVE...
  RITTMAN...
  CRESTON...
  ORRVILLE...

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 4067 8217 4079 8239 4081 8239 4099 8212
      4099 8169 4067 8186
TIME...MOT...LOC 2038Z 305DEG 25KT 4081 8217

$$

LAPLANTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 1:15 PM EDT	Special Marine Warning	CLE		2 hr
Jun 18, 1:53 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Wood	52 min
Jun 18, 2:23 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa	67 min
Jun 18, 2:30 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky	60 min
Jun 18, 2:43 PM EDT	Severe Thunderstorm Warning	CLE	Seneca, Wood	62 min
Jun 18, 3:01 PM EDT	Severe Thunderstorm Warning	CLE	Erie	59 min
Jun 18, 3:07 PM EDT	Special Marine Warning	CLE		113 min
Jun 18, 3:08 PM EDT	Severe Thunderstorm Warning	CLE	Huron	52 min
Jun 18, 3:16 PM EDT	Tornado Warning	CLE	Erie	29 min
Jun 18, 3:35 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	40 min
Jun 18, 3:43 PM EDT	Severe Thunderstorm Warning	CLE	Wood	50 min
Jun 18, 3:53 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Huron, Medina	67 min
Jun 18, 3:54 PM EDT	Areal Flood Advisory	CLE	Erie, Huron, Sandusky, Seneca	4 hr
Jun 18, 4:00 PM EDT	Severe Thunderstorm Warning	CLE	Medina	60 min
Jun 18, 4:10 PM EDT	Areal Flood Advisory	CLE	Lorain	3 hr
Jun 18, 4:45 PM EDT	Areal Flood Advisory	CLE	Ashland, Wayne	3 hr
Jun 18, 5:14 PM EDT	Severe Thunderstorm Warning	CLE	Holmes, Stark, Wayne	61 min

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.