Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 192, NWS Cleveland, OH

July 18, 20114 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 18, 2011, 5:30 PM EDT for 4 counties in Ohio. It was in force for 60 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 18, 2011, 5:30 PM EDT (21:30 UTC)
Expired: Jul 18, 2011, 6:30 PM EDT
In force: 60 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Crawford County, OH, Hancock County, OH, Seneca County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 133 km from the middle of the area, began a volume at 21:32 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 18, 5:41 PM EDT	TSTM WND DMG	4 N Findlay, OH	TREE AND SEVERAL LARGE LIMBS DOWN

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 176 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.

977 
WUUS51 KCLE 182130
SVRCLE
OHC033-063-147-175-182230-
/O.NEW.KCLE.SV.W.0192.110718T2130Z-110718T2230Z/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN NORTH CENTRAL OHIO
  HANCOCK COUNTY IN NORTHWEST OHIO
  SENECA COUNTY IN NORTHWEST OHIO
  WYANDOT COUNTY IN NORTHWEST OHIO

* UNTIL 630 PM EDT

* AT 524 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 70 MPH.  THIS STORM WAS LOCATED NEAR SYCAMORE...AND MOVING
  SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUCYRUS...
  CHATFIELD...
  NEW WASHINGTON...
  GALION...
  CRESTLINE...

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 4116 8388 4117 8342 4125 8342 4125 8285
      4100 8283 4099 8272 4072 8273 4069 8344
      4070 8350 4082 8350 4082 8388
TIME...MOT...LOC 2130Z 313DEG 24KT 4092 8309

$$

LOMBARDY

1 follow-up statement

490 
WWUS51 KCLE 182223
SVSCLE

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

OHC033-063-147-175-182230-
/O.CON.KCLE.SV.W.0192.000000T0000Z-110718T2230Z/
WYANDOT OH-CRAWFORD OH-HANCOCK OH-SENECA OH-
623 PM EDT MON JUL 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR CRAWFORD COUNTY IN NORTH CENTRAL OHIO...AND SENECA...HANCOCK AND
WYANDOT COUNTIES IN NORTHWEST OHIO...

AT 624 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR GALION...
OR 10 MILES NORTHEAST OF MOUNT GILEAD...MOVING SOUTHEAST AT 30 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4116 8388 4117 8342 4125 8342 4125 8285
      4100 8283 4099 8272 4072 8273 4069 8344
      4070 8350 4082 8350 4082 8388
TIME...MOT...LOC 2223Z 313DEG 24KT 4068 8275

$$

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, 4:37 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.