Alert archive / Virginia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 50, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 11, 1990, 3:25 PM EDT for Franklin County, Virginia. It was in force for 65 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 11, 1990, 3:25 PM EDT (19:25 UTC)
- Expired
- Jul 11, 1990, 4:30 PM EDT
- In force
- 65 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Franklin County, VA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 4:10 PM EDT | Thunderstorm Wind 0 | Franklin, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.4 hours before the alert went out and 101 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.
- Mixed-layer CAPE
- 889 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KROA 111927 SVRROA VAC067-112030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROANOKE VA 325 PM EDT WED JUL 11 1990 THE NATIONAL WEATHER SERVICE IN ROANOKE VAHAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL VIRGINIA ...FRANKLIN COUNTY WEATHER RADAR SHOWS A CLUSTER OF STRONG THUNDERSTORMS OVER THE WESTERN HALF OF FRANKLIN COUNTY VIRGINIA. THE STORMS ARE MOVING EAST AT ABOUT 25 MPH AND SHOULD BE IN THE ROCKY MT. AREA SHORTLY FOLLOWED BY THE SMITH MT. LAKE AREA THEREAFTER. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESaS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... 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 11, 1:18 PM EDT, 2 hours 7 minutes before
VAZ008-009-111700 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYHCHBURG VA 12 PM EDT WED JUL 11 1990 AT 1130 NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS FORMING IN GILES..MONTGOMERY AND TAZEWELL COUNTIES. THE STORMS WILL MOVE EASTWARD AT AROUND 25 MPH AND SHOULD ENTER THE WESTERN PORTIONS OF THE LYNCHBURG AREA OF RESPONSIBILITY WITHIN THE NEXT HOUR. OTHER SHOWERS AND THUNDERSTORMS WILL DEVELOPE IN SOUTH CENTRAL VIRGINIA THIS AFTERNOON AND EVENING. PEOPLE IN AMHERST..APPOMATTOX..BEDFORD..CAMPBELL..CHARLOTTE..HALIFAX .. PITTSYLVANIA COUNTIES AND THE INDEPENDENT CITIES OF BEDFORD.. DANVILLE..LYHCHBURG AND SOUTH BOSTON CAN EXPECTED SCATTERED THUNDERSTORMS PRODUCING VIVID LIGHTNING..POSSIBLE HAIL..AND BRIEF LOCALLY HEAVY DOWNPOURS AND GUSTY WINDS. STAY TUNED TO RADIO AND TV SOURCES FOR FURTHER UPDATE ON THE WEATHER THIS AFTERNOON. MEADOWS
Special weather statement, Jul 11, 1:18 PM EDT, 2 hours 7 minutes before
VAZ014-015-111900- SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE ROANOKE VA 110 PM EDT WED JUL 11 1990 ...THUNDERSTORMS FIRE UP ACROSS THE NEW RIVER VALLEY OF VIRGINIA... AT 110 PM EDT VOLENS WEATHER RADAR DETECTED A CLUSTER OF STRONG THUNDERSTORMS DEVELOPING ALONG THE NEW RIVER IN THE COUNTIES OF GILES AND MONTGOMERY. THE STRONGEST STORM WAS NEAR SHAWSVILLE IN MONTGOMERY COUNTY. THE THUNDERSTORMS ARE MOVING EASTWARD AT NEAR 25 MILES AN HOUR AND WILL MOVE INTO THE WESTERN PORTIONS OF CRAIG AND ROANOKE COUNTIES BY 130 PM. PEOPLE ACROSS SOUTHWEST AND SOUTH CENTRAL VIRGINIA SHOULD KEEP ABREAST OF CHANGING WEATHER CONDITIONS. IF THUNDERSTORMS APPROACH SEEK SHELTER. DANGEROUS LIGHTNING IS A MAJOR HAZZARD IN SUMMER THUNDERSTORMS. SMALL HAIL AND STRONG GUSTY WINDS ARE ALSO POSSIBLE IN OR NEAR THUNDERSTORMS. . LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL TV OR RADIO STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS THIS AFTERNOON. END/CACCIAPAGLIA
Special weather statement, Jul 11, 1:26 PM EDT, 1 hour 59 minutes before
VAZ008-009-111700 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYHCHBURG VA 100 PM EDT WED JUL 11 1990 CORRECTION FOR THE TIME AT 1230 NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS FORMING IN GILES..MONTGOMERY AND TAZEWELL COUNTIES. THE STORMS WILL MOVE EASTWARD AT AROUND 25 MPH AND SHOULD ENTER THE WESTERN PORTIONS OF THE LYNCHBURG AREA OF RESPONSIBILITY WITHIN THE NEXT HOUR. OTHER SHOWERS AND THUNDERSTORMS WILL DEVELOPE IN SOUTH CENTRAL VIRGINIA THIS AFTERNOON AND EVENING. PEOPLE IN AMHERST..APPOMATTOX..BEDFORD..CAMPBELL..CHARLOTTE..HALIFAX .. PITTSYLVANIA COUNTIES AND THE INDEPENDENT CITIES OF BEDFORD.. DANVILLE..LYHCHBURG AND SOUTH BOSTON CAN EXPECTED SCATTERED THUNDERSTORMS PRODUCING VIVID LIGHTNING..POSSIBLE HAIL..AND BRIEF LOCALLY HEAVY DOWNPOURS AND GUSTY WINDS. STAY TUNED TO RADIO AND TV SOURCES FOR FURTHER UPDATE ON THE WEATHER THIS AFTERNOON. MEADOWS
Special weather statement, Jul 11, 2:27 PM EDT, 58 minutes before
VAZ008-009-013-014>016-111900- SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE ROANOKE VA 220 PM EDT WED JUL 11 1990 ...THUNDERSTORMS CONTINUE TO FEED ON THE MOIST HUMID AIR... AT 215 PM EDT VOLENS WEATHER RADAR DETECTED WIDELY SCATTERED THUNDERSTORMS ACROSS SOUTH CENTRAL AND SOUTHWEST VIRGINIA. THE STRONGEST STORM WAS MOVING EAST NEAR BOONES MILL IN NORTHERN FRANKLIN COUNTY. THIS STORM IS TRACKING EASTWARD AT 25 MPH AND WILL APPROACH THE SMITH MOUNTAIN LAKE AREA BY 300 PM. BOATERS ON THE LAKE SHOULD SEEK SAFE HARBOR DURING THE PASSAGE OF THESE STORMS. OTHER STRONG STORM WERE LOCATED NEAR BUFFALO MOUNTAIN IN SOUTHERN FLOYD COUNTY AND IN WESTERN PATRICK COUNTY. FREQUENT DANGEROUS LIGHfTNING...SMALL HAIL...STRONG GUSTY WINDS AND BRIEF BUT VERY HEAVY DOWNPOURS ARE POSSIBLE THIS AFTERNOON. LISEN NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TV STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS. END/CACCIAPAGLIA
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 3:30 PM EDT | Severe Thunderstorm Warning | RNK | Bedford, Pittsylvania | 2 hr |
Nearby
Severe Thunderstorm Warnings in Virginia, 1990Every severe thunderstorm warning in 1990
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.