Alert archive / North Carolina / Flash Flood Warnings in 1993

Flash Flood Warning 16, NWS Greenville-Spartanburg, SC

May 4, 1993Polk County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at May 4, 1993, 1:29 PM EDT for Polk County, North Carolina. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 4, 1993, 1:29 PM EDT (17:29 UTC)
Expired
May 4, 1993, 3:30 PM EDT
In force
2 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Polk County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.5 hours before the alert went out and 224 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 1993-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 1993-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
58 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 10:05 AM EDT, 3 hours 24 minutes before
NCZ010-011-012-013-041700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
1005 AM EDT TUE MAY 4 1993

HEAVY RAIN HAS FALLEN OVERNIGHT AND THIS MORNING ACROSS THE CENTRAL AND
SOUTHERN MOUNTAINS AND THE EXTREME SOUTHWEST PART OF NORTH CAROLINA. AS
OF 945 THIS MORNING AMOUNTS HAVE GENERALLY BEEN IN THE ONE HALF TO ONE
INCH RANGE BUT SOME ISOLATED LOCATIONS HAVE RECEIVED MORE. ROSMAN IN
TRANSYLVANIA COUNTY REPORTED 1.8 INCHES OF RAIN WHILE HIGHLANDS IN MACON
COUNTY REPORTED 2.52 INCHES.

AT 945 WEATHER SERVICE RADAR SHOWED VERY STRONG THUNDERSTORMS IN
NORTHEAST GEORGIA NORTH OF ATHENS.  THESE WERE MOVING TO THE NORTHEAST
AT 35 MPH AND COULD AFFECT COUNTIES IN THE CENTRAL MOUNTAINS...SOUTHERN
MOUNTAINS AND THE SOUTHERN FOOTHILLS LATER THIS MORNING...ESPECIALLY
THOSE NEAR THE GEORGIA AND SOUTH CAROLINA BORDERS.

PERSONS LIVING NEAR SMALL STREAMS SHOULD REMAIN ALERT AND BE READY TO
MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED.  MOTORISTS SHOULD NOT
ATTEMPT TO CROSS ROADS COVERED WITH WATER OR WATER FLOWING ACROSS THEM.
THE WATER MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

SOME OF THE THUNDERSTORMS MAY PRODUCE STRONG WINDS AND HEAVY DOWNPOURS
IN ADDITION TO DEADLY LIGHTNING.

PERSONS IN WESTERN NORTH CAROLINA SHOULD REMAIN ALERT FOR THE NEXT FEW
HOURS.  LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV FOR LATER
INFORMATION.
HM
Special weather statement, May 4, 10:07 AM EDT, 3 hours 22 minutes before
NCZ010-011-012-013-041700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
1005 AM EDT TUE MAY 4 1993

HEAVY RAIN HAS FALLEN OVERNIGHT AND THIS MORNING ACROSS THE CENTRAL AND
SOUTHERN MOUNTAINS AND THE EXTREME SOUTHWEST PART OF NORTH CAROLINA. AS
OF 945 THIS MORNING AMOUNTS HAVE GENERALLY BEEN IN THE ONE HALF TO ONE
INCH RANGE BUT SOME ISOLATED LOCATIONS HAVE RECEIVED MORE. ROSMAN IN
TRANSYLVANIA COUNTY REPORTED 1.8 INCHES OF RAIN WHILE HIGHLANDS IN MACON
COUNTY REPORTED 2.52 INCHES.

AT 945 WEATHER SERVICE RADAR SHOWED VERY STRONG THUNDERSTORMS IN
NORTHEAST GEORGIA NORTH OF ATHENS.  THESE WERE MOVING TO THE NORTHEAST
AT 35 MPH AND COULD AFFECT COUNTIES IN THE CENTRAL MOUNTAINS...SOUTHERN
MOUNTAINS AND THE SOUTHERN FOOTHILLS LATER THIS MORNING...ESPECIALLY
THOSE NEAR THE GEORGIA AND SOUTH CAROLINA BORDERS.

PERSONS LIVING NEAR SMALL STREAMS SHOULD REMAIN ALERT AND BE READY TO
MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED.  MOTORISTS SHOULD NOT
ATTEMPT TO CROSS ROADS COVERED WITH WATER OR WATER FLOWING ACROSS THEM.
THE WATER MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

SOME OF THE THUNDERSTORMS MAY PRODUCE STRONG WINDS AND HEAVY DOWNPOURS
IN ADDITION TO DEADLY LIGHTNING.

PERSONS IN WESTERN NORTH CAROLINA SHOULD REMAIN ALERT FOR THE NEXT FEW
HOURS.  LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV FOR LATER
INFORMATION.
HM
Special weather statement, May 4, 12:53 PM EDT, 36 minutes before
SCZ001-002-004-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1250 PM EDT TUE MAY 04 1993

...THUNDERSTORMS DUMPING HEAVY RAIN OVER PARTS OF UPSTATE...

AT 1245 PM RAIN WAS OCCURRING OVER MOST OF NORTHWEST SOUTH CAROLINA
AND THUNDERTORMS WERE PRODUCING HEAVY RAIN FROM NORTHERN GREENVILLE
COUNTY TO SOUTHERN ANDERSON COUNTY. THE THUNDERSTORMS ARE MOVING
TOWARD THE NORTHEAST AT 35 MPH.
REPORTS OF 3 INCHES OF RAIjN HAVE BEEN RECEIVED FROM A COUPLE OF
AREAS IN NORTHERN GREENVILLE COUNTY.
PEOPLE NEAR STREAMS AND LOW LYING FLOOD PRONE AREAS SHOULD BE AWARE
OF WHATS HAPPENING AROUND THEM FOR THE NEXT COUPLE OF HOURS.
Special weather statement, May 4, 1:01 PM EDT, 28 minutes before
NCZ007-009-010-012-013-042000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
1259 PM EDT TUE MAY 4 1993

MODERATE TO HEAVY RAINFALL CONTINUES TO FALL ACROSS PARTS OF WESTERN
NORTH CAROLINA THIS AFTERNOON. AT 1255 PM EDT WEATHER SERVICE RADAR
INDICATED AN AREA OF MODERATE TO HEAVY RAIN WITH A FEW EMBEDDED
THUNDERSTORMS MOVING NORTHEAST ACROSS THE REGION AT AROUND 35 MPH. THIS
RAINFALL ACTIVITY HAD SHIFTED TOWARD THE EAST DURING THE PAST THREE
HOURS AND AS OF 1255 PM WAS MAINLY AFFECTING THE EASTERN HALF OF THE
MOUNTAINS AND MOST OF THE FOOTHILLS. THE RAIN AND THUNDERSTORM ACTIVITY
WILL LIKELY HAVE THE MOST IMPACT ON THE FOOTHILLS THIS AFTERNOON AS IT
CONTINUES TO MOVE NORTHEAST OUT OF THE MOUNTAIN REGION.

PEOPLE IN THE EASTERN HALF OF THE NORTHERN...CENTRAL...SOUTHERN
MOUNTAINS...AS WELL AS THE FOOTHILLS SHOULD REMAIN ALERT FOR THREATENING
WEATHER FOR THE REMAINDER OF THIS AFTERNOON. IF YOU LIVE IN A FLOOD
PRONE @AREA BE ALERT FOR RAPIDLY RISING WATER. IF THUNDERSTORMS APPROACH
YOUR AREA SEEK SAFE SHELTER IMMEDIATELY. REMEMBER LIGHTNING KILLS!
COLE
Special weather statement, May 4, 1:22 PM EDT, 7 minutes before
SCZ001-002-004-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
115 PM EDT TUE MAY 04 1993

...THUNDERSTORMS DUMPING HEAVY RAIN OVER PARTS OF UPSTATE...

AT 110 PM RAIN WAS CONTINUING OVER MOST OF NORTHWEST SOUTH CAROLINA
AND THUNDERSTORMS WERE PRODUCING LOCALLY HEAVY RAIN. SOME FLOODING
IS OCCURRING ALONG STREAMS AND IN LOW LYING AREAS. THE THUNDERSTORMS
WERE MOVING TOWARD THE NORTHEAST AT 35 MPH AND THE HEAVIEST RAINS
ARE NOW MOVING FROM GREENVILLE COUNTY INTO THE NORTH PORTION OF
SPARTANBURG COUNTY.

THE REEDY RIVER IN GREENVILLE HAS RISEN TO  9 FEET AND WITH THE
RAINS NEARING AN END...LITTLE FURTHER RISE IS EXPECTED. THE FLOOD
STAGE IN GREENVILLE IS 8 FEET.

PEOPLE IN THE UPSTATE AREA LIVING NEAR STREAMS AND IN OTHER FLOOD
PRONE AREAS SHOULD BE ALERT FOR THE NEXT HOUR OR SO UNTIL THE RAIN
AND THE THREAT OF ANY FLOODING HAS ENDED.

CURTIS/GSP

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 3:19 PM EDTTornado WarningGSPLincoln26 min
May 4, 2:31 PM EDTFlash Flood WarningGSPCherokee, Spartanburg119 min

Nearby

Flash Flood Warnings in North Carolina, 1993Every flash flood warning in 1993

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.