Alert archive / Virginia / Flash Flood Warnings in 1992
Flash Flood Warning 53, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jun 8, 1992, 4:11 PM EDT for Botetourt County, Roanoke County, Virginia. It was in force for 84 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1992, 4:11 PM EDT (20:11 UTC)
- Expired
- Jun 8, 1992, 5:35 PM EDT
- In force
- 84 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Botetourt County, VA, Roanoke County, VA
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.2 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 47 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 082015 FFWROA VAC161-770-023-775-082215- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ROANOKE VA 411 PM EDT MON JUN 8 1992 THE NATIONAL WEATHER SERVICE IN ROANOKE VAHAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 615 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL VIRGINIA ...EASTERN ROANOKE COUNTY AND THE INDEPENDENT CITY OF ...ROANOKE IN SOUTHWEST VIRGINIA ...SOUTHERN BOTETOURT COUNTY AND THE INDEPENDENT CITY OF ...SALEM THUNDERSTORMS WITH VERY HEAVY RAINFALL ARE MOVING SLOWLY THROUGH SOUTHERN BOTETOURT AND EASTERN ROANOKE COUNTIES. RAINFALL AMOUNTS OF OVER AN INCH IN LESS THAN AN HOUR ARE BEING RECORDED. THIS WILL LIKELY CAUSE FLASH FLOODING ALONG CREEKS AND SMALL STREAMS...ALSO STREET FLOODING IN THE CITIES. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. JACKSON
What forecasters said that day
The local office's own words before this flash flood 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 8, 2:17 PM EDT, 1 hour 54 minutes before
VAZ008-009-013>016-081900- SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE ROANOKE VA 215 PM EDT MON JUN 8 1992 ...THUNDERSTORMS DEVELOPING ACROSS SOUTHWEST VIRGINIA... AT 2 PM EDT RADAR SHOWED AREAS OF THUNDERSTORMS OVER THE COUNTIES OF GILES..CARROLL..AND FRANKLIN IN SOUTHWEST VIRGINIA MOVING NORTH EAST AT 20 MPH. SOME OF THESE STORMS WERE PRODUCING HEAVY RAINS..ALSO DANGEROUS LIGHTNING. WITH THE GROUND ALREADY SATURATED HEAVY AMOUNTS OF RAIN WILL LIKELY PRODUCE FLOODING OF SMALL STREAM AND CREEKS. PEOPLE LIVING IN FLOOD PRONG AREAS IN THESE COUNTIES SHOULD BE ALERT FOR RISING WATER AND BE PREPARED TO MOVE TO HIGHER GROUND. CG
Special weather statement, Jun 8, 3:46 PM EDT, 25 minutes before
VAZ008-009-013>016-082300- SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE ROANOKE VA 345 PM EDT MON JUN 8 1992 ...LINE OF THUNDERSTORMS ACROSS THE NEW RIVER VALLEY.. AT 330 PM EDT RADAR SHOWED A LINE OF THUNDERSTORMS OVER THE COUNTIES OF CRAIG..MONTGOMERY..AND PULASKI IN SOUTHWEST VIRGINIA. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY DOWNPOURS DANGEROUS LIGHTNING AND POSSIBLE FLOODING OF SMALL STREAMS CREEKS AND FLOOD PRONE AREAS. PEOPLE LIVING IN FLOOD PRONG AREAS IN THESE COUNTIES SHOULD BE ALERT FOR RISING WATER AND BE PREPARED TO MOVE TO HIGHER GROUND. THIS LINE OF STORMS WAS MOVING EAST AT 25 MPH AND WILL BE MOVING INTO THE COUNTIES OF FLOYD ROANOKE AND BOTETOURT WITHIN THE HOUR. CG
Nearby
Flash Flood Warnings in Virginia, 1992Every flash flood warning in 1992
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.