Alert archive / Ohio / Tornado Warnings in 2004

Tornado Warning 2, NWS Cleveland, OH

May 18, 2004Marion County, Ohio

NWS Cleveland, OH issued this tornado warning at May 18, 2004, 5:00 PM EDT for Marion County, Ohio. It was in force for 60 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, 5:00 PM EDT (21:00 UTC)
Expired: May 18, 2004, 6:00 PM EDT
In force: 60 min
Issued by: NWS Cleveland, OH
Area: Counties, with a storm outline in the text

County Marion County, OH

The radar

The Cleveland radar (KCLE), 140 km from the middle of the area, began a volume at 21:01 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 142 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: 1159 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 658 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

791 
WFUS51 KCLE 182100
TORCLE
OHC101-182200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
500 PM EDT TUE MAY 18 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  MARION COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 600 PM EDT

* AT 500 PM EDT A TRAINED SPOTTER REPORTED A TORNADO 3 MILES
  SOUTHEAST OF LA RUE...OR ABOUT 12 MILES WEST OF MARION..MOVING EAST
  AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  LA RUE
  MARION

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4067 8320 4070 8310 4070 8289 4065 8288
          4065 8296 4050 8296 4048 8324 4049 8324
          4050 8341 4064 8341

$$

MRD

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, 4:40 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	50 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

Nearby

Tornado Warnings in Ohio, 2004 Every tornado warning in 2004 Tornadoes 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.