Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 133, NWS Cleveland, OH

June 12, 1998Hancock County, Seneca County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 12, 1998, 6:44 PM EDT for Hancock County, Seneca County, Ohio. It was in force for 61 min. 2 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: Jun 12, 1998, 6:44 PM EDT (22:44 UTC)
Expired: Jun 12, 1998, 7:45 PM EDT
In force: 61 min
Issued by: NWS Cleveland, OH
Area: Whole counties

Counties Hancock County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 134 km from the middle of the area, began a volume at 22:47 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
Jun 12, 7:00 PM EDT	Thunderstorm Wind	Tiffin, OH	Several trees were downed, at least one on a car.
Jun 12, 7:00 PM EDT	Thunderstorm Wind	Findlay, OH	Trees and power lines were downed at Findlay and McComb.

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
Jun 12, 4:45 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.7 hours before the alert went out and 184 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: 5 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 650 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 147 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.

225 
WUUS1 KCLE 122246 RRA
SVRCLE
OHC063-147-122345-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
644 PM EDT FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN NORTHWESTERN OHIO
  SENECA COUNTY IN NORTHWESTERN OHIO

* UNTIL 745 PM EDT

* AT 642 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 20 MILES WEST OF FINDLAY OR 9 MILES WEST OF
  SHAWTOWN MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE NEAR...
   SHAWTOWN
  FINDLAY
  VAN BUREN

.GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO
WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

RINGO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 5:23 PM EDT	Tornado Warning	CLE	Lucas	47 min
Jun 12, 5:42 PM EDT	Severe Thunderstorm Warning	CLE	Wood	63 min
Jun 12, 5:57 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa	63 min
Jun 12, 6:30 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky	50 min
Jun 12, 6:41 PM EDT	Flash Flood Warning	CLE	Wood	119 min
Jun 12, 6:55 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	60 min
Jun 12, 7:06 PM EDT	Tornado Warning	CLE	Erie	49 min
Jun 12, 7:09 PM EDT	Tornado Warning	CLE	Seneca	51 min
Jun 12, 7:21 PM EDT	Severe Thunderstorm Warning	CLE	Wyandot	64 min
Jun 12, 7:26 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	79 min
Jun 12, 7:29 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	61 min
Jun 12, 7:48 PM EDT	Tornado Warning	CLE	Lorain	47 min
Jun 12, 7:50 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	95 min
Jun 12, 7:55 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 1998 Every severe thunderstorm warning in 1998

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.