Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 90, NWS Charleston, WV

July 28, 1997Morgan County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 28, 1997, 2:05 PM EDT for Morgan County, Ohio. It was in force for 25 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 28, 1997, 2:05 PM EDT (18:05 UTC)
Expired: Jul 28, 1997, 2:30 PM EDT
In force: 25 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Morgan County, OH

The radar

The Charleston,WV radar (KRLX), 146 km from the middle of the area, began a volume at 18:08 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.1 hours before the alert went out and 168 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: 985 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1187 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 65 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 KCRW 281807 RRA
SVRCRW
OHC115-281830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
205 PM EDT MON JUL 28 1997
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST OHIO
 
   ...MORGAN COUNTY
 
AT 205 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR
MCCONNELSVILLE MOVING TO THE EAST SOUTHEAST AT 20 MPH.
 
<< CALL TO ACTION >> WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD
MOVE INSIDE A STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE
TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE
STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS
 
END/JAP

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 9:00 PM EDT	Severe Thunderstorm Warning	RLX	Morgan, Washington	45 min
Jul 28, 3:19 PM EDT	Severe Thunderstorm Warning	RLX	Washington	41 min
Jul 28, 4:32 PM EDT	Severe Thunderstorm Warning	RLX	Gallia	28 min
Jul 28, 5:15 PM EDT	Severe Thunderstorm Warning	RLX	Lawrence	45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.