Alert archive / Ohio / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 69, NWS Cleveland, OH

September 20, 2018Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 20, 2018, 3:28 PM EDT for Trumbull County, Ohio. It was in force for 26 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: Sep 20, 2018, 3:28 PM EDT (19:28 UTC)
Expired: Sep 20, 2018, 3:54 PM EDT
In force: 26 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Trumbull County, OH

The radar

The Pittsburgh radar (KPBZ), 88 km from the middle of the area, began a volume at 19:29 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
Sep 20, 3:30 PM EDT	TSTM WND DMG	2 N Champion Heights, OH	SEVERAL TREES DOWN BY THUNDERSTORM WINDS IN CHAMPION

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

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 7.5 hours before the alert went out and 105 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1093 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

299 
WUUS51 KCLE 201928
SVRCLE
OHC155-202015-
/O.NEW.KCLE.SV.W.0069.180920T1928Z-180920T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
328 PM EDT THU SEP 20 2018

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Central Trumbull County in northeastern Ohio...

* Until 415 PM EDT.

* At 328 PM EDT, a severe thunderstorm was located near Bristolville,
  or near Warren, moving southeast at 15 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect damage to 
           trees and power lines.

* Locations impacted include...
  Warren, Sharon, Niles, Hubbard, Cortland, Lordstown, Bristolville,
  Vienna Center, Hilltop, Maplewood Park, Leavittsburg, Girard,
  Vienna, McDonald, Mecca, Yankee Lake, Brookfield Center, Churchill,
  Howland Center and Bolindale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4113 8076 4131 8098 4145 8083 4130 8052
      4121 8051 4114 8052
TIME...MOT...LOC 1928Z 309DEG 14KT 4134 8083 

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

King

1 follow-up statement

442 
WWUS51 KCLE 201954
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
354 PM EDT THU SEP 20 2018

OHC155-202004-
/O.CAN.KCLE.SV.W.0069.000000T0000Z-180920T2015Z/
Trumbull OH-
354 PM EDT THU SEP 20 2018

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL TRUMBULL COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 4113 8076 4131 8098 4145 8083 4130 8052
      4121 8051 4114 8052
TIME...MOT...LOC 1951Z 309DEG 14KT 4128 8073 

$$

King

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 20, 2:17 PM EDT	Tornado Warning	CLE	Ashtabula, Geauga, Trumbull	28 min
Sep 20, 2:26 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain, Medina, Summit	49 min
Sep 20, 2:43 PM EDT	Tornado Warning	CLE	Geauga, Trumbull	47 min
Sep 20, 4:01 PM EDT	Small Craft Advisory	CLE		47 hr
Sep 20, 7:18 PM EDT	Special Weather Statement	CLE	Lucas	57 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2018 Every severe thunderstorm warning in 2018

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.