Alert archive / North Carolina / Flash Flood Warnings in 1989
Flash Flood Warning 21, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jul 31, 1989, 9:10 PM EDT for Surry County, North Carolina. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1989, 9:10 PM EDT (01:10 UTC)
- Expired
- Jul 31, 1989, 10:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Surry County, NC
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 00:00Z, 1.2 hours before the alert went out and 80 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
- 608 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1026 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KGSO 010113
FFWGSO
NCC171-010215-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
910 PM EDT MON JUL 31 1989
THE NATIONAL WEATHER SERVICE IN GREENSBORO HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 1015 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH CENTRAL NORTH CAROLINA
...NORTHEASTERN SURRY
AT 9PM EDT SURRY COUNTY OFFICIALS REPORT FLOODING IS OCCURING
ALONG HIGHWAY 103 NEAR THE VIRGINIA BORDER. THIS LOCATION IS
NORTHEAST OF THE CITY OF MT AIRY. ARCHIE STREAM IS OUT OF ITS
BANKS AND ABOUT EIGHT INCHES OF WATER IS FLOWING ACROSS HIGHWAY 103.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, Jul 31, 4:14 PM EDT, 4 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYNCHBURG VA 415 PM EDT MON JUL 31 1989 AT 410 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATES A LARGE THUNDERSTORM ENTERING WESTERN AMHERST COUNTY VIRGINIA MOVING EAST ABOUT 25 MPH. THIS STORM WILL PRODUCE HEAVY DOWNPOURS AND POSSIBLY STRONG WIND GUSTS AS IT MOVES ACROSS AMHERST COUNTY DURING THE NEXT HOUR. HUDGINS
Special weather statement, Jul 31, 4:57 PM EDT, 4 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYNCHBURG VA 500 PM EDT MON JUL 31 1989 AT 455 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATES A LARGE THUNDERSTORM OVER CENTRAL AMHERST COUNTY VIRGINIA MOVING EAST ABOUT 25 MPH. THE AMHERST COUNTY SHERIFFS OFFICE REPORTS HEAVY RAINS BUT NO FLOODING OR STORM DAMAGE AT THIS TIME. THIS STORM WILL CONTINUE TO PRODUCE HEAVY DOWNPOURS AND POSSIBLY STRONG WIND GUSTS AS IT MOVES EAST ACROSS AMHERST C OUNTY DURING THE NEXT HOUR. HUDGINS
Nearby
Flash Flood Warnings in North Carolina, 1989Every flash flood 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.