Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 91, NWS Cleveland, OH

July 26, 1997Morrow County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 26, 1997, 6:05 PM EDT for Morrow County, Ohio. It was in force for 55 min. 1 report 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: Jul 26, 1997, 6:05 PM EDT (22:05 UTC)
Expired: Jul 26, 1997, 7:00 PM EDT
In force: 55 min
Issued by: NWS Cleveland, OH
Area: Whole counties

County Morrow County, OH

The radar

The Cleveland radar (KCLE), 126 km from the middle of the area, began a volume at 22:04 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
Jul 26, 6:20 PM EDT	Hail 0.75	Marengo, 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.1 hours before the alert went out and 149 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: 14 J/kg
Mixed-layer CIN: -311 J/kg
Mixed-layer LCL: 1121 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 151 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 
TTAA00 KCLE 262212 RRA
SVRCLE
OHC117-262300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE CLEVELAND OH
605 PM EDT SAT JUL 26 1997

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  OHIO

   ...MORROW COUNTY

AT 605 PM CLEVELAND DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER
SOUTHERN MORROW COUNTY NEAR SOUTH WOODBURY MOVING TOWARD MARENGO AND
SPARTA. THE STORM IS MOVING SOUTHEAST AT 25 MPH.


SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

CORRECTED DAY AND MONTH IN HEADER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 7:31 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Ottawa, Sandusky	59 min
Jul 26, 9:12 AM EDT	Severe Thunderstorm Warning	CLE	Richland	48 min
Jul 26, 7:49 PM EDT	Severe Thunderstorm Warning	CLE	Knox	56 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.