Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 191, NWS Cleveland, OH

July 18, 2011Hancock County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 18, 2011, 4:37 PM EDT for Hancock County, Ohio. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 18, 2011, 4:37 PM EDT (20:37 UTC)
Expired: Jul 18, 2011, 5:30 PM EDT
In force: 53 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Hancock County, OH

The radar

The Cleveland radar (KCLE), 153 km from the middle of the area, began a volume at 20:38 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.

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 18, 3:57 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.6 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: 1057 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 878 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

676 
WUUS51 KCLE 182037
SVRCLE
OHC063-182130-
/O.NEW.KCLE.SV.W.0191.110718T2037Z-110718T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
437 PM EDT MON JUL 18 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN NORTHWEST OHIO

* UNTIL 530 PM EDT

* AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR MCCOMB...AND MOVING EAST AT
  20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FINDLAY...
  RAWSON...
  VAN BUREN...
  ARCADIA...
  ARLINGTON...
  VANLUE...

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 4117 8388 4117 8342 4100 8342 4099 8346
      4090 8348 4091 8352 4082 8352 4082 8388
TIME...MOT...LOC 2037Z 292DEG 18KT 4117 8376

$$

LOMBARDY

2 follow-up statements

380 
WWUS51 KCLE 182119 RRA
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
519 PM EDT MON JUL 18 2011

OHC063-182130-
/O.CON.KCLE.SV.W.0191.000000T0000Z-110718T2130Z/
HANCOCK OH-
519 PM EDT MON JUL 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR HANCOCK COUNTY...

AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ARCADIA...OR 7 MILES
SOUTHWEST OF FOSTORIA...MOVING EAST AT 20 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4117 8388 4117 8342 4100 8342 4099 8346
      4090 8348 4091 8352 4082 8352 4082 8388
TIME...MOT...LOC 2120Z 292DEG 18KT 4109 8350

$$

FITZ

863 
WWUS51 KCLE 182129
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
529 PM EDT MON JUL 18 2011

OHC063-182140-
/O.EXP.KCLE.SV.W.0191.000000T0000Z-110718T2130Z/
HANCOCK OH-
529 PM EDT MON JUL 18 2011

...THE SEVERE THUNDERSTORM WARNING FOR HANCOCK COUNTY EXPIRES AT 530
PM EDT...

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

LAT...LON 4117 8388 4117 8342 4100 8342 4099 8346
      4090 8348 4091 8352 4082 8352 4082 8388
TIME...MOT...LOC 2130Z 292DEG 18KT 4107 8344

$$

FITZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 12:17 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	43 min
Jul 18, 12:50 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky, Wood	55 min
Jul 18, 2:05 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky, Seneca	40 min
Jul 18, 3:08 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky	67 min
Jul 18, 3:24 PM EDT	Special Marine Warning	CLE		2 hr
Jul 18, 3:43 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Portage, Summit	62 min
Jul 18, 3:49 PM EDT	Areal Flood Advisory	CLE	Lucas, Ottawa, Sandusky, Wood	3 hr
Jul 18, 4:25 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Wood	65 min
Jul 18, 4:30 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Trumbull	60 min
Jul 18, 5:30 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Hancock, Seneca, Wyandot	60 min
Jul 18, 5:34 PM EDT	Special Marine Warning	CLE		86 min
Jul 18, 5:57 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Marion, Morrow, Richland	78 min
Jul 18, 6:28 PM EDT	Areal Flood Advisory	CLE	Hancock, Wood, Wyandot	3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.