Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 84, NWS Charleston, WV

July 27, 1997Morgan County, Washington County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 27, 1997, 9:00 PM EDT for Morgan County, Washington County, Ohio. It was in force for 45 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
Jul 27, 1997, 9:00 PM EDT (01:00 UTC)
Expired
Jul 27, 1997, 9:45 PM EDT
In force
45 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Morgan County, OH, Washington County, OH

The radar

The Charleston,WV radar (KRLX), 136 km from the middle of the area, began a volume at 01:01 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

TimeReportWhereRemark
Jul 27, 9:05 PM EDTThunderstorm WindRinggold, OHTrees fell across Route 78 and several county and township roads.
Jul 27, 9:25 PM EDTThunderstorm WindBarlow, OHTrees fell across roads. One tree damaged a parked car in downtown Marietta.

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.

IssuedProductOfficeLasted
Jul 27, 7:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.0 hours before the alert went out and 166 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
54 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1790 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
34 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 280101 RRA
SVRCRW
OHC115-167-280145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
900 PM EDT SUN JUL 27 1997
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTHEAST OHIO
 
   ...SOUTHEASTERN MORGAN COUNTY...SOUTHERN WASHINGTON COUNTY
 
AT 859 PM DOPPLER WEATHER RADAR SHOWED A POSSIBLE SEVERE THUNDERSTORM
DEVELOPING IN SOUTHEAST MORGAN COUNTY. THIS STORM IS IS MOVING SOUTHEAST
AT 10 TO 20 MPH.
 
<< CALL TO ACTION >> THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS
PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...
LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A S
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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

Special weather statement, Jul 27, 7:57 PM EDT, 1 hour 3 minutes before
OHZ084-280020-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
757 PM EDT SUN JUL 27 1997

...A STRONG THUNDERSTORM WILL BE MOVING THROUGH VINTON COUNTY UNTIL
720 PM...

A VERY STRONG THUNDERSTORM WILL BE MOVING THROUGH VINTON COUNTY OHIO
UNTIL AROUND 720 PM.  THIS STORM WILL PRODUCE SOME STRONG WINDS AND
HEAVY RAINS OF 1 TO 2 INCHES.  THIS WILL CAUSE SOME BRIEF DRAINAGE
PROBLEMS ON ROADWAYS.  PERSONS SHOULD NOT ATTEMPT TO DRIVE THROUGH
WATER CROSSING OVER ROADWAYS...ESPECIALLY NEAR STREAMS.

END/REZEK
Special weather statement, Jul 27, 8:02 PM EDT, 58 minutes before
OHZ084-280020-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
757 PM EDT SUN JUL 27 1997

...A STRONG THUNDERSTORM WILL BE MOVING THROUGH VINTON COUNTY UNTIL
720 PM...

A VERY STRONG THUNDERSTORM WILL BE MOVING THROUGH VINTON COUNTY OHIO
UNTIL AROUND 720 PM.  THIS STORM WILL PRODUCE SOME STRONG WINDS AND
HEAVY RAINS OF 1 TO 2 INCHES.  THIS WILL CAUSE SOME BRIEF DRAINAGE
PROBLEMS ON ROADWAYS.  PERSONS SHOULD NOT ATTEMPT TO DRIVE THdROUGH
WATER CROSSING OVER ROADWAYS...ESPECIALLY NEAR STREAMS.

END/REZEK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 2:05 PM EDTSevere Thunderstorm WarningRLXMorgan25 min
Jul 28, 3:19 PM EDTSevere Thunderstorm WarningRLXWashington41 min
Jul 28, 4:32 PM EDTSevere Thunderstorm WarningRLXGallia28 min
Jul 28, 5:15 PM EDTSevere Thunderstorm WarningRLXLawrence45 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997Every 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.