Alert archive / Virginia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 51, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 11, 1990, 3:30 PM EDT for Bedford County, Pittsylvania County, Virginia. It was in force for 2 hr. 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, 3:30 PM EDT (19:30 UTC)
- Expired
- Jul 11, 1990, 5:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Bedford County, VA, Pittsylvania 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, 3:30 PM EDT | Thunderstorm Wind 0 | Pittsylvania, 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, 7.5 hours before the alert went out and 117 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
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, Jul 11, 1:18 PM EDT, 2 hours 12 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 12 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, 2 hours 4 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, 1 hour 3 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
Special weather statement, Jul 11, 3:28 PM EDT, 2 minutes before
VAZALL-111925- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 320 PM EST WED JUL 11 1990 ...SEVERVE THUNDERSTORM WATCH COVERS MUCH OF SOUTHWEST AND CENTRAL VIRGINIA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED BY THE SEVERE STORMS CENTER. THE WATCH IS EFFECTIVE FOR THE REMAINDER OF THIS AFTERNOON AND UNTIL 10 PM THIS EVENING. THE COUNTIES INCLUDED IN THE WATCH AREA: BOTETOURT...CRAIG...FLOYD...FRANKLIN...HENRY...MONTGOMERY...PATRICK AND ROANOKE. ALSO INCLUDED ARE THE INDEPENDENT CITIES OF SALEM... ROANOKE...AND MARTINSVILLE. PEOPLE IN THE ABOVE MENTIONED COUNTIES SHOULD BE ON THE LOOKOUT FOR SEVEREe WEATHER. A MAJOR CONCERN IS LARGE HAIL AND DAMAGING WINDS. END/CACCIAPAGLIA
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 3:25 PM EDT | Severe Thunderstorm Warning | RNK | Franklin | 65 min |
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.