Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 39, NWS Cleveland, OH

May 18, 2017Richland County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 18, 2017, 8:18 PM EDT for Richland County, Ohio. It was in force for 27 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: May 18, 2017, 8:18 PM EDT (00:18 UTC)
Expired: May 18, 2017, 8:45 PM EDT
In force: 27 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Richland County, OH

The radar

The Cleveland radar (KCLE), 83 km from the middle of the area, began a volume at 00:18 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
May 18, 8:18 PM EDT	TSTM WND DMG	Shiloh, OH	SEVERAL TREES DOWN IN THE TOWN OF SHILOH. POWER LINES DOWN ALSO DOWN IN TOWN. EIGHT HOMES WITHOUT POWER. CORRECTED REPORT FOR TIME AND ADDED REMARKS
May 18, 8:40 PM EDT	TSTM WND DMG	2 N Shenandoah, OH	SEVERAL TREES AND POWER LINES DOWN ON ROUTE 13 BETWEEN ROUTE 603 AND OLIVESBURG-FITCHVILLE ROAD. ROAD WAS BLOCKED FOR A TIME.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.3 hours before the alert went out and 193 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: 1869 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1266 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.7

Open this sounding in Storm Lab

The text

As transmitted.

502 
WUUS51 KCLE 190018 RRA
SVRCLE
OHC139-190045-
/O.NEW.KCLE.SV.W.0039.170519T0018Z-170519T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
818 PM EDT THU MAY 18 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Northern Richland County in north central Ohio...

* Until 845 PM EDT

* At 818 PM EDT, severe thunderstorms were located along a line
  extending from near Plymouth to Shelby, moving east at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Mansfield, Shelby, Ontario, Plymouth, Shenandoah and Olivesburg. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4080 8272 4088 8273 4100 8266 4099 8242
      4095 8241 4083 8241 4082 8242 4081 8239
      4079 8239
TIME...MOT...LOC 0018Z 266DEG 32KT 4100 8258 4088 8264 

HAIL...1.00IN
WIND...60MPH
 
$$

Kubina

1 follow-up statement

796 
WWUS51 KCLE 190045
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
845 PM EDT THU MAY 18 2017

OHC139-190055-
/O.EXP.KCLE.SV.W.0039.000000T0000Z-170519T0045Z/
Richland OH-
845 PM EDT THU MAY 18 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN RICHLAND COUNTY HAS
EXPIRED...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning has been allowed to expire.

LAT...LON 4080 8272 4088 8273 4100 8266 4099 8242
      4095 8241 4083 8241 4082 8242 4081 8239
      4079 8239
TIME...MOT...LOC 0045Z 266DEG 32KT 4100 8258 4088 8264 

$$

Kubina

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:18 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	42 min
May 18, 8:52 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Wayne	53 min
May 18, 9:32 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Richland	43 min
May 19, 2:05 PM EDT	Special Weather Statement	CLE	Wayne	40 min
May 19, 3:58 PM EDT	Small Craft Advisory	CLE		32 hr
May 19, 4:08 PM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain, Lucas and 2 more	32 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2017 Every severe thunderstorm warning in 2017

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.