Alert archive / North Carolina / Flash Flood Warnings in 1989
Flash Flood Warning 5, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at May 22, 1989, 10:48 PM EDT for Rockingham County, North Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 22, 1989, 10:48 PM EDT (02:48 UTC)
- Expired
- May 23, 1989, 1:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Rockingham 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
Huntington/Tri S, WV (KHTS), launched 00:00Z, 2.8 hours before the alert went out and 326 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
- 991 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 150 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 KGSO 230309
FFWGSO
NCC157-230545-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
1048 PM EDT MON MAY 22 1989
THE NATIONAL WEATHER SERVICE IN GREENSBORO HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 145 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH CENTRAL NORTH CAROLINA
...ROCKINGHAM
AT 1045 PM THE ROCKINGHAM COUNTY SHERIFF DEPARTMENT REPORTED ROADS
FLOODED AROUND THE REIDSVILLE AREA. RADAR SHOWS THAT THUNDERSTORMS
WILL CONTINUE OVER THE COUNTY FOR THE NEXT FEW HOURS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.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, May 22, 9:24 PM EDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 920 PM EDT MON MAY 22 1989 AT 915 PM RADAR SHOWS SHOWERS AND SCATTERED THUNDERSTORMS IN SOUTHCENTRAL AND SOUTHWESTERN VIRGINIA. THE STRONGIST ONES AT 915 WERE IN GRAIG AND MONTGOMERY COUNTIES. SOME OF THESE SHOWERS AND THUNDERSTORMS COULD CAUSE A HALF TO THREE QUARTERS INCHES OF RAIN TO FALL IN A SHORT TIME. THIS COULD CAUSE SOME SMALL STREAM, LOW AREA, URBAN FLOODING THAT HAS POOR DiRAINAGE. THE SHOWERS AND THUNDERSTORMS ARE MOVING EAST AT ABOUT 20 MPH AND WILL BE MOVING INTO ROANOKE COUNTY WITH IN THE HOUR. CE
Special weather statement, May 22, 10:00 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 1000 PM EDT MON MAY 22 1989 AT 955 PM RADAR SHOWS A LINE OF THUNDERSTORMS FROM EASTERN CRAIG CENTRAL ROANOKE EASTERN FLOYD AND NORTHERN PATRICK COUNTIES IN VIRGINIA. THESE THUNDERSTORM ARE MOVING EASTWARD AND COULD PRODUCE VERY HEAVY DOWNPOURS DANGEROUS LIGHTNING AND GUSTY WINDS. THESE THUNDERSTORMS COULD ALSO HAVE SMALL HAIL. THESE THUNDERSTORMS WILL BE MOVING INTO FRANKLIN AND BOTETOURT COUNTIES. CE
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 9:18 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Forsyth, Rockingham | 57 min |
| May 22, 9:18 PM EDT | Severe Thunderstorm Warning | RNK | Davie, Iredell | 57 min |
| May 23, 3:43 PM EDT | Severe Thunderstorm Warning | RNK | Iredell, Rowan | 62 min |
| May 23, 4:22 PM EDT | Severe Thunderstorm Warning | RNK | Guilford | 68 min |
| May 23, 4:52 PM EDT | Severe Thunderstorm Warning | RNK | Alamance | 68 min |
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.