Alert archive / North Carolina / Flash Flood Warnings in 1990
Flash Flood Warning 23, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at May 4, 1990, 4:54 AM EDT for Macon County, North Carolina. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 4, 1990, 4:54 AM EDT (08:54 UTC)
- Expired
- May 4, 1990, 7:00 AM EDT
- In force
- 2 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Macon 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
Athens Municipal, GA (KAHN), launched 00:00Z, 8.9 hours before the alert went out and 134 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
- 1249 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1512 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KAVL 040854
FFWAVL
NCC113-041100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ASHEVILLE NC
454 AM EDT FRI MAY 4 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 700 AM EDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE STATE OF NORTH CAROLINA
MACON
SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN HAVE CAUSED FLOODING
IN THE CITY OF FRANKLIN AND ACROSS MUCH OF MACON COUNTY. THE
STORMS ARE CONTINUING TO DEVELOP SO THAT THE HEAVY RAIN IS ALMOST
CONSTANT. SOME EVACUATIONS HAVE BEEN NECESSARY.
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.
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.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 4, 12:48 AM EDT, 4 hours 6 minutes before
NCZ009-010-011-040645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 1247 AM EDT FRI APR 4 1990 AT 1240AM WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS WITH A FEW STRONG THUNDERSTORMS IN EASTERN TENNESSEE FROM EAST OF CHATTANOOGA TO EAST OF KNOXVILLE. THESE WERE MOVING TO THE NORTHEAST AT 30 MPH. SOME OF THE SHOWERS AND STORMS MAY MOVE INTO WESTERN NORTH CAROLINA COUNTIES ADJACENT TO THE TENNESSEE BORDER DURING THE NEXT HOUR OR SO. STRONG WINDS..DANGEROUS LIGHTNING AND HEAVY RAIN ARE POSSIBLE WITH THESE STORMS. HM
Special weather statement, May 4, 2:08 AM EDT, 2 hours 46 minutes before
NCZ007-009-010-011-012-013-040800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 208 AM EDT FRI APR 4 1990 AT 200 AM WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS ALONG THE NORTH CAROLINA TENNESSEE BORDER. ANOTHER AREA EXTENDED FROM ASHEVILLE TO HIGHLANDS. THEY WERE MOVING NORTHEAST AT 30 MPH. SOME OF THE STORMS MAY PRODUCE STRONG GUSTY WINDS AND HEAVY RAIN AS WELL AS DANGEROUS LIGHTNING. HM
Nearby
Flash Flood Warnings in North Carolina, 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.