Alert archive / Virginia / Flash Flood Warnings in 1990
Flash Flood Warning 14, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Oct 11, 1990, 1:29 AM EDT for Henry County, Virginia. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Oct 11, 1990, 1:29 AM EDT (05:29 UTC)
- Expired
- Oct 11, 1990, 3:30 AM EDT
- In force
- 2 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Henry 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
Huntington/Tri S, WV (KHTS), launched 00:00Z, 5.5 hours before the alert went out and 291 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
- 771 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 306 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 110529 RRA FFWROA VAC089-690-110730- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ROANOKE VA 129 AM EDT THU OCT 11 1990 THE NATIONAL WEATHER SERVICE IN ROANOKE VAHAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 330 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL VIRGINIA ...HENRY COUNTY AND THE INDEPENDENT CITY OF ...MARTINSVILLE AT 125 AM EDT...THE SHERIFFS DEPARTMENT OF HENRY COUNTY REPORT MUDSLIDES IN THE AXTON AREA. TREES ARE ALSO REPORTED DOWN IN THE SOUTHERN HALF OF THE COUNTY. BLACKBERRY CREEK IN THE COLLINSVILLE AREA IS NEARING BANKFULL. RAINS IN THE COUNTY HAS BEEN REPORTED ON THE HEAVY SIDE. WEATHER RADAR INDICATES HEAVY PRECIPITATION MOVING NORTHWARD FROM THE NORTH CAROLINA PIEDMONT TOWARDS HENRY COUNTY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VE#HICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. END/CACCIAPAGLIA
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, Oct 10, 11:03 PM EDT, 2 hours 26 minutes before
VAZ008-009-013-014- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 1100 PM EDT WED OCT 10 1990 ...A FLASH FLOOD WATCH IS IN EFFECT UNTIL 1200 NOON THURSDAY FOR MOST OF SOUTHCENTRAL AND PORTION OF SOUTHWEST VIRGINIA... IN THE ROANOKE VALLEY AREA OF RESPONSIBILITY THE COUNTIES ARE CRAIG BOTETOURT ROANOKE FRANKLIN PATRICK HENRY BEDFORD AMHERST CAMPBELL PITTSYLVANIA HALIFAX APPOMATTOX AND CHARLOTTE. ALSO THE CITIES OF ROANOKE SALEM AND LYNCHBURG. A SURGE OF TROPICL MOISTURE FROM THE REMNANTS OF TROPICAL STORM KLAUS IS SPREADING PERIODS OF RAIN OVER PORTIONS OF CENTRAL AND SOUTHWESTERN VIRGINIA. ONE TO ONE AND A QUARTER INCHES OF RAIN HAVE FALLEN IN SEVERAL AREAS WITH ONE AND A HALF TO TWO INCHES IN PORTIONS OF PATRICK HENRY CRROLL COUNTIES. ALTHOUGH FLASH FLOOD GUIDANCE INDICATES ABOUT 4 INCHES OF RAIN IS NEEEDED TO BEGIN FLASH FLOODING SOME SMALL STREAM AND UBAN FLOODING COULD OCCUR WITH LESSER AMOUNTS WHERE THERE IS POOR DRAINAGE. REMEMBER DO NOT DRIVE THROUGH FLOODED ROADWAYS...IF YOU LIVE NEAR A STREAM OR CREEK BE ALERT FOR RAPID RISES IN WATER LEVELS. END/CE
Special weather statement, Oct 10, 11:25 PM EDT, 2 hours 4 minutes before
VAZ008-009-013-014-111000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 1100 PM EDT WED OCT 10 1990 ...A FLASH FLOOD WATCH IS IN EFFECT UNTIL 1200 NOON THURSDAY FOR MOST OF SOUTHCENTRAL AND PORTION OF SOUTHWEST VIRGINIA... IN THE ROANOKE VALLEY AREA OF RESPONSIBILITY THE COUNTIES ARE CRAIG BOTETOURT ROANOKE FRANKLIN PATRICK HENRY BEDFORD AMHERST CAMPBELL PITTSYLVANIA HALIFAX APPOMATTOX AND CHARLOTTE. ALSO THE CITIES OF ROANOKE SALEM AND LYNCHBURG. A SURGE OF TROPICL MOISTURE FROM THE REMNANTS OF TROPICAL STORM KLAUS IS SPREADING PERIODS OF RAIN OVER PORTIONS OF CENTRAL AND SOUTHWESTERN VIRGINIA. ONE TO ONE AND A QUARTER INCHES OF RAIN HAVE FALLEN IN SEVERAL AREAS WITH ONE AND A HALF TO TWO INCHES IN PORTIONS OF PATRICK HENRY CRROLL COUNTIES. ALTHOUGH FLASH FLOOD GUIDANCE INDICATES ABOUT 4 INCHES OF RAIN IS NEEEDED TO BEGIN FLASH FLOODING SOME SMALL STREAM AND URBAN FLOODING COULD OCCUR WITH LESSER AMOUNTS WHERE T?HERE IS POOR DRAINAGE. REMEMBER DO NOT DRIVE THROUGH FLOODED ROADWAYS...IF YOU LIVE NEAR A STREAM OR CREEK BE ALERT FOR RAPID RISES IN WATER LEVELS. END/CE
Nearby
Flash Flood Warnings in Virginia, 1990Every flash flood 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; the sounding from the Mesonet's radiosonde archive.