Alert archive / Virginia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 80, NWS Charleston, WV

July 9, 1997Buchanan County, Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 9, 1997, 6:34 PM EDT for Buchanan County, Virginia. It was in force for 26 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 9, 1997, 6:34 PM EDT (22:34 UTC)
Expired
Jul 9, 1997, 7:00 PM EDT
In force
26 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Buchanan County, VA

What was reported inside it

TimeReportWhereRemark
Jul 9, 6:40 PM EDTHail 0.88Davenport, VA

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

Roanoke, VA (KRNK), launched 12:00Z, 10.6 hours before the alert went out and 225 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, Roanoke, VA at 12:00Z on 1997-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 129 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, Roanoke, VA at 12:00Z on 1997-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
129 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
29 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 092235
SVRCRW
VAC027-092300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
634 PM EDT WED JUL 9 1997
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHWEST VIRGINIA
 
   ...SOUTHERN BUCHANAN COUNTY
 
AT 635 PM WEATHER RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM NEAR
DAVENPORT IN BUCHANAN COUNTY. THIS STORM IS MOVING EAST AT AROUND 15 TO
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
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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 9, 4:10 PM EDT, 2 hours 24 minutes before
WVZ005-013>016-018-026>032-036>040-046-047-092100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
410 PM EDT WED JUL 9 1997

THE SEVERE THUNDERSTORM WATCH...THAT WAS IN EFFECT WEDNESDAY
AFTERNOON...HAS BEEN CANCELLED A BIT EARLY.

THE THREAT OF DAMAGING WIND GUSTS AND LARGE HAIL HAVE MOVE EAST AND
SOUTH FOR EARLY THIS EVENING.

A FEW LINGERING SHOWERS...AND MAYBE EVEN A THUNDERSTORM...ARE
STILL POSSIBLE EARLY THIS EVENING.

FROM INITIAL DAMAGE REPORTS...AND NATIONAL WEATHER SERVICE RADAR
TRENDS...THE MOST VIOLENT THUNDERSTORMS WENT ACROSS NORTHERN
RITCHIE COUNTY BETWEEN NOON AND 1 PM.  THE ONLY STRUCTURAL DAMAGE
REPORTS RECEIVED SO FAR WERE AROUND THE CITY OF PENNSBORO.
A PORTION OF THE ROLLER RINK ROOF WAS BLOWN OFF.  A FEW HOMES IN
PENNSBORO HAD ROOF DAMAGE.  A SEVERE THUNDERSTORM WARNING WAS IN
EFFECT FOR RITCHIE COUNTY AT THAT TIME.  ELSEWHERE...A FEW TREES
WERE BLOWN DOWN...CAUSING SOME POWER OUTAGES.  /SEE LOCAL STORM
REPORT FOR DETAILS/

SMALL STREAMS AROUND KENNA OF JACKSON COUNTY BLOCKED A
FEW ROADS FOR A SHORT TIME...BUT NO SIGNIFICANT FLOODING OCCURRED.

END / KTB / NATIONAL WEATHER SERVICE

Nearby

Severe Thunderstorm Warnings in Virginia, 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.