Alert archive / Virginia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS Blacksburg, VA

June 4, 1993Floyd County, Montgomery County, Roanoke County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 4, 1993, 5:15 PM EDT for Floyd County, Montgomery County, Roanoke County, Virginia. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1993, 5:15 PM EDT (21:15 UTC)
Expired
Jun 4, 1993, 6:00 PM EDT
In force
45 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Floyd County, VA, Montgomery County, VA, Roanoke County, VA

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.3 hours before the alert went out and 119 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, Greensboro/Hi Pt, NC at 12:00Z on 1993-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 774 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, Greensboro/Hi Pt, NC at 12:00Z on 1993-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 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
774 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1204 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jun 4, 1:49 PM EDT, 3 hours 26 minutes before
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Special weather statement, Jun 4, 1:51 PM EDT, 3 hours 24 minutes before
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Special weather statement, Jun 4, 2:35 PM EDT, 2 hours 40 minutes before
VAZ008-009-041200-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE LYNCHBURG VA
235 PM EDT FRI JUN 04 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHWESTERN
   PIEDMONT AND THE SOUTHERN FOOTHILLS UNTIL 7PM TONIGHT...

VOLENS WEATHER RADAR SHOWED THUNDERSTORMS...SOME HEAVY...FORMING OVER
SOUTHWESTERN AND WESTERN VIRGINIA FROM GRAYSON COUNTY TO BATH COUNTY.
SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN PORTIONS OF WEST VIRGINIA.

THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 40 TO 50 MPH AND THERE
IS A GOOD CHANCE THEY COULD PRODUCE STRONG WINDS AND HAIL.

IF THREATENING STORM CONDITIONS OCCUR IN YOUR AREA TAKE SHELTER
AND LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR UPDATES AS THEY ARE ISSUED.

MONROE
Special weather statement, Jun 4, 2:36 PM EDT, 2 hours 39 minutes before
VAZ008-009-041200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LYNCHBURG VA
610 AM EDT FRI JUN 04 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHWESTERN
   PIEDMONT AND THE SOUTHERN FOOTHILLS UNTIL 7PM TONIGHT...

VOLENS WEATHER RADAR SHOWED THUNDERSTORMS...SOME HEAVY...FORMING OVER
SOUTHWESTERN AND WESTERN VIRGINIA FROM GRAYSON COUNTY TO BATH COUNTY.
SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN PORTIONS OF WEST VIRGINIA.

THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 40 TO 50 MPH AND THERE
IS A GOOD CHANCE THEY COULD PRODUCE STRONG WINDS AND HAIL.

IF THREATENING STORM CONDITIONS OCCUR IN YOUR AREA TAKE SHELTER
AND LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO| OR TV STATION
FOR UPDATES AS THEY ARE ISSUED.

MONROE
Special weather statement, Jun 4, 2:37 PM EDT, 2 hours 38 minutes before
VAZ008-009-041200-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE LYNCHBURG VA
235 PM EDT FRI JUN 04 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHWESTERN
   PIEDMONT AND THE SOUTHERN FOOTHILLS UNTIL 7PM TONIGHT...

VOLENS WEATHER RADAR SHOWED THUNDERSTORMS...SOME HEAVY...FORMING OVER
SOUTHWESTERN AND WESTERN VIRGINIA FROM GRAYSON COUNTY TO BATH COUNTY.
SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN PORTIONS OF WEST VIRGINIA.

THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 40 TO 50 MPH AND THERE
IS A GOOD CHANCE THEY COULD PRODUCE STRONG WINDS AND HAIL.

IF THREATENING STORM CONDITIONS OCCUR IN YOUR AREA TAKE SHELTER
AND LISTEN TO NOAA WEATHER RADIO OR YOUR LO~CAL RADIO OR TV STATION
FOR UPDATES AS THEY ARE ISSUED.

MONROE
Special weather statement, Jun 4, 2:41 PM EDT, 2 hours 34 minutes before
VAZ008-009-042100-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE LYNCHBURG VA
235 PM EDT FRI JUN 04 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHWESTERN
   PIEDMONT AND THE SOUTHERN FOOTHILLS UNTIL 7PM TONIGHT...

VOLENS WEATHER RADAR SHOWED THUNDERSTORMS...SOME HEAVY...FORMING OVER
SOUTHWESTERN AND WESTERN VIRGINIA FROM GRAYSON COUNTY TO BATH COUNTY.
SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN PORTIONS OF WEST VIRGINIA.

THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 40 TO 50 MPH AND THERE
IS A GOOD CHANCE THEY COULD PRODUCE STRONG WINDS AND HAIL.

IF THREATENING STORM CONDITIONS OCCUR IN YOUR AREA TAKE SHELTER
AND LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR UPDATES AS THEY ARE ISSUED.

MONROE

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 5:13 PM EDTSevere Thunderstorm WarningRNKWilkes62 min
Jun 4, 6:45 PM EDTSevere Thunderstorm WarningRNKAlexander60 min
Jun 4, 6:45 PM EDTSevere Thunderstorm WarningRNKDavie60 min
Jun 4, 7:09 PM EDTTornado WarningRNKDavidson, Davie51 min
Jun 4, 7:28 PM EDTTornado WarningRNKRowan47 min
Jun 4, 7:38 PM EDTSevere Thunderstorm WarningRNKGuilford, Randolph67 min
Jun 4, 7:57 PM EDTTornado WarningRNKRandolph48 min
Jun 4, 2:39 PM EDTSevere Thunderstorm WarningRNKMontgomery, Pulaski51 min
Jun 4, 2:51 PM EDTSevere Thunderstorm WarningRNKRoanoke54 min
Jun 4, 3:01 PM EDTSevere Thunderstorm WarningRNKCraig44 min
Jun 4, 3:11 PM EDTSevere Thunderstorm WarningRNKFranklin49 min
Jun 4, 3:33 PM EDTSevere Thunderstorm WarningRNKBotetourt, Roanoke42 min
Jun 4, 3:45 PM EDTSevere Thunderstorm WarningRNKBedford, Pittsylvania60 min
Jun 4, 3:57 PM EDTSevere Thunderstorm WarningRNKFranklin48 min
Jun 4, 4:11 PM EDTSevere Thunderstorm WarningRNKCampbell64 min
Jun 4, 4:44 PM EDTSevere Thunderstorm WarningRNKBland46 min
Jun 4, 4:48 PM EDTSevere Thunderstorm WarningRNKHalifax, Pittsylvania57 min
Jun 4, 5:19 PM EDTSevere Thunderstorm WarningRNKPatrick41 min
Jun 4, 5:47 PM EDTSevere Thunderstorm WarningRNKBedford58 min
Jun 4, 5:56 PM EDTSevere Thunderstorm WarningRNKAmherst, Campbell, City of Lynchburg49 min
Jun 4, 6:17 PM EDTSevere Thunderstorm WarningRNKAppomattox58 min
Jun 4, 6:37 PM EDTSevere Thunderstorm WarningRNKPittsylvania, City of Danville68 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1993Every severe thunderstorm warning in 1993

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.