Alert archive / Virginia / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 49, NWS Blacksburg, VA

June 5, 1989Patrick County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 5, 1989, 2:03 PM EDT for Patrick County, Virginia. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jun 5, 1989, 2:03 PM EDT (18:03 UTC)
Expired
Jun 5, 1989, 3:00 PM EDT
In force
57 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Patrick County, VA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.1 hours before the alert went out and 75 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 1989-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1989-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
84 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 KROA 051806
SVRROA
VAC141-051900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROANOKE VA
203 PM EDT MON JUN 5 1989
 
THE NATIONAL WEATHER SERVICE IN ROANOKE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST VIRGINIA
          ...PATRICK
 
AT 200 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM OVER SOUTHWEST
PATRICK MOVING NORTHEAST AT 30 MPH
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 5, 1:09 PM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VA
100  PM  EDT  MON JUN 5  1989

..A THUNDERSTORM IN NORTH CAROLINA MOVING INTO SOUTHWESTERN VIRGINIA...

AT 1 PM EDT RADAR INDICATED A THUNDERSTORM OVER SURRY COUNTY NORTH
CAROLINA IS MOVING NORTHEAST AT 25 MPH.

THIS STORM WILL BE MOVING INTO SOUTHERN CARROLL COUNTY WITHIN THE
HOUR.

PERSONS IN CARROLL COUNTY ARE ADVISED TO BE ON THE LOOKOUT FOR
POSSIBLE HEAVY DOWNPOURS DANGEROUS LIGHTNING STRONG GUSTY WINDS
AND POSSIBLE SMALL HAIL.
CG
Special weather statement, Jun 5, 1:36 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VA
130  PM  EDT  MON JUN 5  1989

...THUNDERSTORMS BUILDING IN SOUTHWESTERN VIRGINIA...

AT 125 EDT RADAR SHOWED NUMEROUS THUNDERSTORMS ARE BUILDING IN THE
COUNTIES OF CARROLL AND FLOYD IN SOUTHWESTERN VIRGINIA.

THESE STORMS ARE MOVING NORTHEAST AT 25 MPH AND SHOULD BE MOVING
INTO THE COUNTIES OF PATRICK MONTGOMERY FRANKLIN AND ROANOKE IN THE
NEXT HOUR OR TWO.

PERSONS IN THESE COUNTIES CAN EXPECT STRONG GUSTY WINDS HEAVY
HEAVY DOWNPOURS AND POSSIBLE SMALL HAIL.
CG
Special weather statement, Jun 5, 1:39 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VA
130  PM  EDT  MON JUN 5  1989

...THUNDERSTORMS BUILDING IN SOUTHWESTERN VIRGINIA...

AT 125 EDT RADAR SHOWED NUMEROUS THUNDERSTORMS ARE BUILDING IN THE
COUNTIES OF CARROLL AND FLOYD IN SOUTHWESTERN VIRGINIA.

THESE STORMS ARE MOVING NORTHEAST AT 25 MPH AND SHOULD BE MOVING
INTO THE COUNTIES OF PATRICK MONTGOMERY FRANKLIN AND ROANOKE IN THE
NEXT HOUR OR TWO.

PERSONS IN THESE COUNTIES CAN EXPECT STRONG GUSTY WINDS HEAVY
DOWNPOURS AND POSSIBLE SMALL HAIL.
CG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 4:36 PM EDTFlash Flood WarningRNKCarroll, Patrick2 hr

Nearby

Severe Thunderstorm Warnings in Virginia, 1989Every severe thunderstorm warning in 1989

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.