Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 41, NWS Cleveland, OH

May 19, 1997Seneca County, Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 19, 1997, 12:12 AM EDT for Seneca County, Wyandot County, Ohio. It was in force for 63 min. 3 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: May 19, 1997, 12:12 AM EDT (04:12 UTC)
Expired: May 19, 1997, 1:15 AM EDT
In force: 63 min
Issued by: NWS Cleveland, OH
Area: Whole counties

Counties Seneca County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 123 km from the middle of the area, began a volume at 04:16 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
May 19, 12:20 AM EDT	Thunderstorm Wind 52	Fostoria, OH
May 19, 12:31 AM EDT	Thunderstorm Wind 52	Bettsville, OH
May 19, 12:45 AM EDT	Hail 0.75	Upper Sandusky, OH

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
May 18, 11:00 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.2 hours before the alert went out and 180 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: 1227 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1412 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 397 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 8.5

Open this sounding in Storm Lab

The text

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

449 
WUUS1 KCLE 190414 RRA
SVRCLE
OHC123-143-147-175-190515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1212 AM EDT MON MAY 19 1997
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  115 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  OHIO
 
   ...OTTAWA COUNTY...SANDUSKY COUNTY...SENECA COUNTY
   ...WYANDOT COUNTY
 
AND THE ADJACENT WATERS OF LAKE ERIE
 
 
AT 1210 AM EDT DOPPLER RADAR SHOWED A BAND OF STRONG TO SEVERE
THUNDERSTORMS FROM EAST OF TOLEDO TO FINDLAY. THE THUNDERSTORMS WERE
MOVING SOUTHEAST AT 50 MPH. AT 1210 AM THE WINDS GUSTED TO 60 MPH IN
PERRYSBURG IN WOOD COUNTY.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
 
&

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 10:41 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Trumbull	64 min
May 18, 11:02 PM EDT	Severe Thunderstorm Warning	CLE	Geauga	43 min
May 18, 11:24 PM EDT	Severe Thunderstorm Warning	CLE	Fulton, Henry	51 min
May 18, 11:37 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	53 min
May 18, 11:55 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wood	50 min
May 19, 12:12 AM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky	63 min
May 19, 12:28 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	62 min
May 19, 12:37 AM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion	68 min
May 19, 12:50 AM EDT	Flash Flood Warning	CLE	Ashtabula	115 min
May 19, 12:55 AM EDT	Severe Thunderstorm Warning	CLE	Lorain	65 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; radar from the NEXRAD Level II archive.