Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 80, NWS Cleveland, OH

July 9, 1997Marion County, Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 9, 1997, 12:56 AM EDT for Marion County, Wyandot County, Ohio. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 9, 1997, 12:56 AM EDT (04:56 UTC)
Expired: Jul 9, 1997, 2:00 AM EDT
In force: 64 min
Issued by: NWS Cleveland, OH
Area: Whole counties

Counties Marion County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 139 km from the middle of the area, began a volume at 04:57 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 8, 9:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.9 hours before the alert went out and 151 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: 702 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1294 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

704 
WUUS1 KCLE 090459 RRA
SVRCLE
OHC101-175-090600-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1256 AM EDT WED JUL 9 1997
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  OHIO
 
   ...MARION COUNTY...WYANDOT COUNTY
 
AT 1255 AM EDT CLEVELAND DOPPLER RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM OVER WYANDOT COUNTY MOVING TO THE SOUTHEAST AT 30 MILES AN
HOUR. STRONG DAMAGING WINDS FREQUENT LIGHTNING AND TORRENTIAL RAINS ARE
LIKELY AS THIS STORM MOVES OVER THE AREA.
 
 
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
DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
VRCEK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 9:35 PM EDT	Severe Thunderstorm Warning	CLE	Henry	25 min
Jul 8, 9:56 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wood	49 min
Jul 8, 10:16 PM EDT	Flash Flood Warning	CLE	Hancock, Henry, Wood	119 min
Jul 8, 10:41 PM EDT	Severe Thunderstorm Warning	CLE	Seneca, Wyandot	49 min
Jul 8, 10:57 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	63 min
Jul 9, 12:18 AM EDT	Flash Flood Warning	CLE	Hancock	117 min
Jul 9, 1:58 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	32 min
Jul 9, 2:20 AM EDT	Flash Flood Warning	CLE	Marion, Morrow	115 min
Jul 9, 3:00 AM EDT	Flash Flood Warning	CLE	Knox	2 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.