Alert archive / Ohio / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 79, NWS Cleveland, OH

May 18, 2004Lorain County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 18, 2004, 4:40 PM EDT for Lorain County, Ohio. It was in force for 50 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: May 18, 2004, 4:40 PM EDT (20:40 UTC)
Expired: May 18, 2004, 5:30 PM EDT
In force: 50 min
Issued by: NWS Cleveland, OH
Area: Counties, with a storm outline in the text

County Lorain County, OH

The radar

The Cleveland radar (KCLE), 22 km from the middle of the area, began a volume at 20:41 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
May 18, 1:45 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.7 hours before the alert went out and 189 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: 312 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 254 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KCLE 182040
SVRCLE
OHC093-182130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
440 PM EDT TUE MAY 18 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LORAIN COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 530 PM EDT

* AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES WEST OF WELLINGTON...OR ABOUT 13 MILES
  EAST OF NORWALK...MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  ELYRIA
  GRAFTON
  NORTH RIDGEVILLE
  WELLINGTON

DAMAGING WINDS IN EXCESS OF 58 MPH ARE EXPECTED FROM THIS STORM. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CLEVELAND.

LAT...LON 4134 8198 4134 8187 4128 8188 4127 8197
          4120 8198 4120 8208 4117 8208 4110 8232
          4129 8233 4145 8197

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 8:16 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	59 min
May 17, 8:38 PM EDT	Severe Thunderstorm Warning	CLE	Portage	67 min
May 17, 8:43 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	62 min
May 17, 9:17 PM EDT	Severe Thunderstorm Warning	CLE	Stark	28 min
May 18, 3:00 PM EDT	Special Marine Warning	CLE		90 min
May 18, 3:00 PM EDT	Special Marine Warning	CLE		90 min
May 18, 3:15 PM EDT	Severe Thunderstorm Warning	CLE	Morrow	60 min
May 18, 3:20 PM EDT	Severe Thunderstorm Warning	CLE	Erie	55 min
May 18, 3:25 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Wyandot	65 min
May 18, 3:49 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain, Medina	56 min
May 18, 3:53 PM EDT	Severe Thunderstorm Warning	CLE	Knox	52 min
May 18, 4:13 PM EDT	Severe Thunderstorm Warning	CLE	Huron	47 min
May 18, 4:47 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Summit	43 min
May 18, 4:48 PM EDT	Severe Thunderstorm Warning	CLE	Medina	57 min
May 18, 4:52 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	38 min
May 18, 5:00 PM EDT	Tornado Warning	CLE	Marion	60 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2004 Every severe thunderstorm warning in 2004

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.