Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 107, NWS Cleveland, OH

August 4, 1997Sandusky County, Seneca County, Wood County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 4, 1997, 2:40 AM EDT for Sandusky County, Seneca County, Wood County, Ohio. It was in force for 65 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: Aug 4, 1997, 2:40 AM EDT (06:40 UTC)
Expired: Aug 4, 1997, 3:45 AM EDT
In force: 65 min
Issued by: NWS Cleveland, OH
Area: Whole counties

Counties Sandusky County, OH, Seneca County, OH, Wood County, OH

What was reported inside it

Time	Report	Where	Remark
Aug 4, 3:15 AM EDT	Thunderstorm Wind	Fostoria, OH	Many trees and large branches were downed.
Aug 4, 3:30 AM EDT	Thunderstorm Wind	Republic, OH	Several large tree limbs were downed.

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 nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 6.7 hours before the alert went out and 160 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: 467 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 645 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 040643 RRA
SVRCLE
OHC143-147-173-040745-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
240 AM EDT MON AUG 4 1997
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  OHIO
 
   ...SANDUSKY COUNTY...SENECA COUNTY...WOOD COUNTY
 
AT 240 AM EDT DOPPLER RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM
OVER CENTRAL WOOD COUNTY...MOVING TO THE SOUTHEAST AT 30 MPH. DAMAGING
WINDS...LARGE HAIL...FREQUENT LIGHTNING AND TORRENTIAL RAIN ARE POSSIBLE
WITH THIS STORM.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
VRCEK

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 4, 12:28 AM EDT, 2 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NWSFO CLEVELAND OHIO
1228 AM EDT MON AUG 04 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1000 PM    RICHFIELD CENTER          OH   1.75 INCH HAIL
08/03/97   LUCAS

1012 PM    TOLEDO                    OH   .75 INCH HAIL
08/03/97   LUCAS                          NUMEROUS REPORT ACROSS THE
                                          CITY

1040 PM    PERRYSBURG                OH   .75 INCH HAIL
08/03/97   WOOD

1105 PM    HELENA                    OH   .75 INCH HAIL
08/03/97   SANDUSKY

1154 PM    REPUBLIC                  OH   WIND DAMAGE
08/03/97   SENECA                         LARGE TREE LIMB DOWN

Local storm report, Aug 4, 12:31 AM EDT, 2 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NWSFO CLEVELAND OHIO
1228 AM EDT MON AUG 04 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1000 PM    RICHFIELD CENTER          OH   1.75 INCH HAIL
08/03/97   LUCAS

1012 PM    TOLEDO                    OH   .75 INCH HAIL
08/03/97   LUCAS                          NUMEROUS REPORT ACROSS THE
                                          CITY

1040 PM    PERRYSBURG                OH   .75 INCH HAIL
08/03/97   WOOD

1105 PM    HELENA                    OH   .75 INCH HAIL
08/03/97   SANDUSKY Z

1154 PM    REPUBLIC                  OH   WIND DAMAGE
08/03/97   SENECA                         LARGE TREE LIMB DOWN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 9:29 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa	61 min
Aug 3, 9:52 PM EDT	Severe Thunderstorm Warning	CLE	Fulton	38 min
Aug 3, 10:15 PM EDT	Tornado Warning	CLE	Lucas, Wood	60 min
Aug 3, 10:37 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky	68 min
Aug 3, 11:06 PM EDT	Severe Thunderstorm Warning	CLE	Seneca	69 min
Aug 4, 2:26 AM EDT	Severe Thunderstorm Warning	CLE	Henry	49 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997 Every severe thunderstorm warning in 1997

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.