Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 102, NWS Charleston, WV

July 28, 1997Lawrence County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 28, 1997, 5:15 PM EDT for Lawrence County, Ohio. It was in force for 45 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 28, 1997, 5:15 PM EDT (21:15 UTC)
Expired
Jul 28, 1997, 6:00 PM EDT
In force
45 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Lawrence County, OH

The radar

The Charleston,WV radar (KRLX), 78 km from the middle of the area, began a volume at 21:19 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 28, 5:30 PM EDTThunderstorm WindIronton, 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, 9.3 hours before the alert went out and 143 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, Cncnati-Daytn, OH at 12:00Z on 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 985 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, Cncnati-Daytn, OH at 12:00Z on 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
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 282116 RRA
SVRCRW
OHC087-282200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
515 PM EDT MON JUL 28 1997
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST OHIO
 
   ...LAWRENCE COUNTY
 
AT 515 PM RADAR INDICATED SEVERE THUNDERSTORMS OVER THE NORTHERN AND
SOUTHERN PORTIONS OF LAWRENCE COUNTY MOVING TO THE EAST SOUTHEAST AT 15
MPH. DAMAGING WINDS AND HAIL ARE POSSIBLE WITH THIS STORM.
 
<< 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.
 
END/JAP

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 28, 2:57 PM EDT, 2 hours 18 minutes before
OHZ076-282000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
257 PM EDT MON JUL 28 1997

RADAR INDICATES STRONG THUNDERSTORMS OVER THE WESTERN...CENTRAL...
AND EASTERN PORTIONS OF WASHINGTON COUNTY. THESE STORMS ARE CAPABLE
OF PRODUCING SMALL HAIL..WINDS GUSTING TO 40 MPH...AND BRIEF HEAVY
RAINS WHICH CAUSE MINOR DRAINAGE PROBLEMS....ESPECIALLY ON AREA
ROADS.

END/PACKETT
Special weather statement, Jul 28, 3:01 PM EDT, 2 hours 14 minutes before
OHZ076-282000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
257 PM EDT MON JUL 28 1997

RADAR INDICATES STRONG THUNDERSTORMS OVER THE WESTERN...CENTRAL...
AND EASTERN PORTIONS OF WASHIN GTON COUNTY. THESE STORMS ARE CAPABLE
OF PRODUCING SMALL HAIL..WINDS GUSTING TO 40 MPH...AND BRIEF HEAVY
RAINS WHICH CAUSE MINOR DRAINAGE PROBLEMS....ESPECIALLY ON AREA
ROADS.

END/PACKETT
Local storm report, Jul 28, 4:58 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
458 PM EDT MON JUL 28 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0300 PM    MARIETTA                  OH   WIND DAMAGE
07/28/97   WASHINGTON                     SEVERAL TREES AND POWER
                                          LINES DOWN NEAR MARIETTA

0335 PM    ROCKPORT                  WV   WIND DAMAGE
07/28/97   WOOD                           TREES DOWN ON RT 2... 1/2
                                          MI NORTH OF JACKSON COUNTY
                                          BORDER
Local storm report, Jul 28, 4:59 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
458 PM EDT MON JUL 28 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0300 PM    MARIETTA                  OH   WIND DAMAGE
07/28/97   WASHINGTON                     SEVERAL TREES AND POWER
                                          LINES DOWN NEAR MARIETTA

0335 PM    ROCKPORT                  WV   WIND DAMAGE
07/28/97   WOOD                           TREES DOWN ON RT 2... 1/2
                                          MI NORTH OF JACKSON COUNTY
                                          BORDER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 9:00 PM EDTSevere Thunderstorm WarningRLXMorgan, Washington45 min
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

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.