Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 66, NWS Cleveland, OH

June 18, 2012Ashland County, Huron County, Medina County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 18, 2012, 3:53 PM EDT for Ashland County, Huron County, Medina County, Ohio. It was in force for 67 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, 3:53 PM EDT (19:53 UTC)
Expired: Jun 18, 2012, 5:00 PM EDT
In force: 67 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Ashland County, OH, Huron County, OH, Medina County, OH

The radar

The Cleveland radar (KCLE), 59 km from the middle of the area, began a volume at 19:56 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, 4:05 PM EDT	TSTM WND DMG	Ashland, OH	FOUR TREES DOWN ACROSS THE COUNTY.
Jun 18, 4:05 PM EDT	TSTM WND DMG	Polk, OH	ONE TREE DOWN ON ROUTE 42.

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, 7.9 hours before the alert went out and 198 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.

686 
WUUS51 KCLE 181953
SVRCLE
OHC005-077-103-182100-
/O.NEW.KCLE.SV.W.0066.120618T1953Z-120618T2100Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ASHLAND COUNTY IN NORTH CENTRAL OHIO
  SOUTHEASTERN HURON COUNTY IN NORTH CENTRAL OHIO
  SOUTHWESTERN MEDINA COUNTY IN NORTHEAST OHIO

* UNTIL 500 PM EDT

* AT 351 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
  NEW LONDON...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ASHLAND...
  NEW LONDON...
  SAVANNAH...
  POLK...

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 4081 8240 4099 8242 4100 8256 4118 8244
      4119 8234 4106 8233 4106 8218 4108 8217
      4108 8211 4081 8213
TIME...MOT...LOC 1953Z 272DEG 14KT 4112 8243

$$

LOMBARDY

1 follow-up statement

065 
WWUS51 KCLE 182058
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
458 PM EDT MON JUN 18 2012

OHC005-077-103-182108-
/O.EXP.KCLE.SV.W.0066.000000T0000Z-120618T2100Z/
ASHLAND OH-HURON OH-MEDINA OH-
458 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MEDINA...
SOUTHEASTERN HURON AND NORTHERN ASHLAND COUNTIES EXPIRES AT 500 PM
EDT...

LAT...LON 4081 8240 4099 8242 4100 8256 4118 8244
      4119 8234 4106 8233 4106 8218 4108 8217
      4108 8211 4081 8213
TIME...MOT...LOC 2058Z 272DEG 14KT 4111 8209

$$

THOMPSON

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, 3:54 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, 4:39 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Wayne	51 min
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.