Alert archive / Ohio / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 8, NWS Cleveland, OH

May 4, 2018Ashtabula County, Geauga County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 4, 2018, 3:23 PM EDT for Ashtabula County, Geauga County, Lake County, Ohio. It was in force for 18 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: May 4, 2018, 3:23 PM EDT (19:23 UTC)
Expired: May 4, 2018, 3:41 PM EDT
In force: 18 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Ashtabula County, OH, Geauga County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 91 km from the middle of the area, began a volume at 19:25 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 4, 3:38 PM EDT	TSTM WND GST 61	Ashtabula, OH

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
May 4, 1:22 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 7.4 hours before the alert went out and 163 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: 21 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1308 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 291 m²/s²
0-3 km storm-relative helicity: 305 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

909 
WUUS51 KCLE 041923
SVRCLE
OHC007-055-085-042015-
/O.NEW.KCLE.SV.W.0008.180504T1923Z-180504T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
323 PM EDT FRI MAY 4 2018

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Northeastern Geauga County in northeastern Ohio...
  Northeastern Lake County in northeastern Ohio...
  Central Ashtabula County in northeastern Ohio...

* Until 415 PM EDT

* At 323 PM EDT, a severe thunderstorm was located over Perry, or
  near Painesville, moving east at 65 mph.

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

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Locations impacted include...
  Painesville, Ashtabula, Conneaut, Geneva-On-The-Lake, Geneva,
  Madison, North Kingsville, Perry, Austinburg, Kingsville, Pierpont,
  North Perry, Thompson, Rock Creek, Edgewood, Plymouth Center, North
  Madison and Kelloggsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4170 8053 4164 8111 4164 8121 4178 8125
      4188 8094 4197 8052
TIME...MOT...LOC 1923Z 257DEG 56KT 4174 8113 

HAIL...0.88IN
WIND...60MPH
 
$$

King

1 follow-up statement

437 
WWUS51 KCLE 041941
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
341 PM EDT FRI MAY 4 2018

OHC007-055-085-041951-
/O.CAN.KCLE.SV.W.0008.000000T0000Z-180504T2015Z/
Geauga OH-Lake OH-Ashtabula OH-
341 PM EDT FRI MAY 4 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GEAUGA...
NORTHEASTERN LAKE AND CENTRAL ASHTABULA COUNTIES 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.

A severe thunderstorm watch remains in effect until 700 PM EDT for
northeastern Ohio.

LAT...LON 4170 8053 4164 8111 4164 8121 4178 8125
      4188 8094 4197 8052
TIME...MOT...LOC 1939Z 257DEG 56KT 4180 8076 

$$

King

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 9:01 PM EDT	Small Craft Advisory	CLE		7 hr
May 4, 3:34 AM EDT	Wind Advisory	CLE	Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more	14 hr
May 4, 4:11 AM EDT	Gale Warning	CLE		15 hr
May 4, 9:32 AM EDT	Low Water Advisory	CLE		8 hr
May 4, 1:15 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Wood	45 min
May 4, 1:17 PM EDT	Special Marine Warning	CLE		88 min
May 4, 1:29 PM EDT	Special Marine Warning	CLE		2 hr
May 4, 2:03 PM EDT	Special Marine Warning	CLE		97 min
May 4, 2:57 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Medina, Richland, Summit, Wayne	45 min
May 4, 3:02 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Morrow	43 min
May 4, 3:18 PM EDT	Severe Thunderstorm Warning	CLE	Portage	42 min
May 4, 3:21 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Richland	24 min
May 4, 3:33 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	42 min
May 4, 3:36 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Knox, Richland	23 min
May 4, 6:52 PM EDT	Small Craft Advisory	CLE		2 hr

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.