Alert archive / Ohio / Tornado Warnings in 2002

Tornado Warning 4, NWS Cleveland, OH

April 15, 2002Trumbull County, Ohio

NWS Cleveland, OH issued this tornado warning at Apr 15, 2002, 6:21 PM EDT for Trumbull County, Ohio. It was in force for 54 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 15, 2002, 6:21 PM EDT (22:21 UTC)
Expired: Apr 15, 2002, 7:15 PM EDT
In force: 54 min
Issued by: NWS Cleveland, OH
Area: Whole counties

County Trumbull County, OH

The radar

The Cleveland radar (KCLE), 92 km from the middle of the area, began a volume at 22:21 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
Apr 15, 6:30 PM EDT	Hail 1	Southington, OH	Quarter size hail was reported.
Apr 15, 6:35 PM EDT	Hail 1.75	Braceville, OH	Nickel to golf ball size hail was reported.
Apr 15, 6:50 PM EDT	Hail 1	Warren, OH	Quarter size hail was reported.
Apr 15, 6:55 PM EDT	Hail 1	Niles, OH	Dime to quarter size hail was reported.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 15, 6:15 PM EDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.4 hours before the alert went out and 115 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: 67 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 620 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KCLE 152221
TORCLE
OHC155-152315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
620 PM EDT MON APR 15 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  TRUMBULL COUNTY IN OHIO...

* UNTIL 715 PM EDT

* AT 620 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
  SOUTHWEST OF WEST FARMINGTON...OR ABOUT 12 MILES WEST OF WARREN...
  MOVING SOUTHEAST AT 25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LORDSTOWN
  NEWTON FALLS
  NILES
  WARREN
  WEST FARMINGTON

THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY
ISSUED FOR THE WARNED AREA.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

$$
ADAMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 10:01 AM EDT	Special Marine Warning	CLE		119 min
Apr 15, 5:15 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga	45 min
Apr 15, 5:50 PM EDT	Tornado Warning	CLE	Geauga	55 min
Apr 15, 5:55 PM EDT	Tornado Warning	CLE	Portage	35 min
Apr 15, 6:08 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	52 min
Apr 15, 6:50 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	55 min

Nearby

Tornado Warnings in Ohio, 2002 Every tornado warning in 2002 Tornadoes in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.