Alert archive / North Carolina / Flash Flood Warnings in 1993

Flash Flood Warning 13, NWS Greenville-Spartanburg, SC

March 27, 1993Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Mar 27, 1993, 2:33 AM EST for Mecklenburg County, North Carolina. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 27, 1993, 2:33 AM EST (07:33 UTC)
Expired
Mar 27, 1993, 5:30 AM EST
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Mecklenburg County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.6 hours before the alert went out and 125 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 00:00Z on 1993-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1993-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCLT 270735
FFWCLT
NCC119-271030-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLOTTE NC
233 AM EST SAT MAR 27 1993
 
THE NATIONAL WEATHER SERVICE IN CHARLOTTE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  530 AM EST
FOR EVERYONE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL NORTH CAROLINA
 
   ...NORTHERN MECKLENBURG COUNTY
 
THE MECKLENBURG COUNTY COMMUNICATIONS CENTER REPORTS THAT FLOODING IS
OCCURRING AT MOUNTAIN ISLAND LAKE AND THAT RESIDENTS WITHIN THE
IMMEDIATE VICINITY...ESPECIALLY DUKE POWER VILLIAGE...ARE UNDERGOING
PROPERTY WATER DAMAGES.
 
THE OFFICIALS AT DUKE POWER ARE MONITORING CLOSELY AND UTILIZING THE
DAM TO ALLEVIATE THE WATER AS MUCH AS POSSIBLE.  ADDITIONAL RAINS AND
SOME HEAVIER SHOWERS ARE MOVING TOWARDS THE FLOODED AREA.  HEAVY RAINS
WILL MOVE ACROSS MOUNTAIN ISLAND LAKE AND VICINITY BETWEEN 300 AND 330
THIS MORNING.  RESIDENTS AT MOUNTAIN ISLAND LAKE AND DUKE POWER VILLIAGE
SHOULD PREPARE FOR THE HEAVIER RAINFALL BEGINNING AROUND 300 AM.
 
 
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.  QUICKLY MOVE TO HIGHER GROUND. DO
NOT STAY IN AREAS KNOWN TO FLOOD WHEN WATER BEGINS TO RISE.
 
MOST DEATHS IN FLASH FLOODING OCCUR WHEN SOMEONE ATTEMPTS TO DRIVE
ACROSS FLOODED BRIDGES... DIPS... OR LOW SPOTS. ANOTHER VERY
DANGEROUS UNDERTAKING IS TO TRY TO CROSS A FLOODED AREA ON FOOT.
 
RNM
 
&

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, Mar 26, 9:30 PM EST, 5 hours 3 minutes before
SCZ001-002-004-270500

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
930 PM EST FRI MAR 26 1993

...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT AND SATURDAY FOR THE
   MOUNTAINS AND FOOTHILLS OF SOUTH CAROLINA...

AT 925PM...AN AREA OF LIGHT TO MODERATE RAIN WAS SHOWN ON THE WEATHER
RADAR COVERING THE UPSTATE OF SOUTH CAROLINA AND MOVING NORTHWARD.
THE HEAVIEST RAIN WAS OVER ANDERSON..OCONEE..AND PICKENS COUNTIES.
AMOUNTS GENERALLY HAVE RANGED FROM 1/2 TO 1 INCH WITH 3/4 OF AN INCH
FALLING AT THE GREENVILLE SPARTANBURG AIRPORT.

AS THE LOW PRESSURE SYSTEM MOVES NORTHEASTWARD...HEAVIER RAIN AND
SOME THUNDERSTORMS WILL DEVELOP OVER THE PALMETTO STATE. RAINFALL
AMOUNTS TONIGHT AND SATURDAY MORNING COULD EXCEED 2 INCHES OVER THE
NORTHWEST PORTION OF SOUTH CAROLINA. WITH THE SOIL ALREADY SATURATED...
MAXIMUM RUNOFF WILL DEVELOP AND ANY PERIOD OF HEAVY RAIN COULD
PRODUCE FLASH FLOODING.
<
PEOPLE LIVING NEAR STREAMS AND RIVERS AND IN OTHER LOCATIONS
SUBJECT TO FLASH FLOODING SHOULD CHECK PREPAREDNESS REQUIREMENTS.
SHOULD HEAVY RAIN MOVE INTO YOUR AREA OR A WARNING IS ISSUED...
BE READY TO TAKE IMMEDIATE ACTION FOR SAFETY.

STAY TUNED TO NOAA WEATHER RADnIO...LOCAL RADIO...OR TV FOR THE
LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE.

CURTIS/GSP
Special weather statement, Mar 27, 12:39 AM EST, 1 hour 54 minutes before
SCZ001-002-004-270900

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1240 AM EST SAT MAR 27 1993

...FLASH FLOOD WATCH IS IN EFFECT OVERNIGHT AND SATURDAY FOR THE
   MOUNTAINS AND FOOTHILLS OF SOUTH CAROLINA...

AT 1235 AM LIGHT TO MODERATE RAIN WAS FALLING OVER THE EAST PORTION
OF THE UPSTATE FROM GREENVILLE..SPARTANBURG..UNION..AND LAURENS COUNTIES.
THE AREA OF RAIN EXTENDS INTO THE MIDLANDS OF SOUTH CAROLINA AND WAS
MOVING NORTHWEST AROUND 25 MPH. THIS NORTHWESTWARD MOVMENT OF RAIN
IS FAVORABLE FOR HEAVY RAIN TO DEVELOP AND PERSIST THROUGH THE MORNING
HOURS.

THE REEDY RIVER IN GREENVILLE WAS AT 7.5 FEET AT 1225 AM AND FLOODING
BEGINS TO OCCUR AROUND 8.0 FEET. WITH MORE RAINS HEADED FOR CENTRAL
GREENVILLE COUNTY...IT IS POSSIBLE THAT THE REEDY RIVER MAY RISE ABOVE
8.0 FEET EARLY THIS MORNING.
WITH STREAMS ALREADY RUNNING ABOVE NORMAL ADDITIONAL RAINS OVERNIGHT
AND SATURDAY WILL CAUSE FURHTER SWELLING OF AREA STREAMS.
PEOPLE LIVING NEAR STREAMS AND RIVERS...ESPECIALLY THE REEDY RIVER...
SHOULD CHECK PREPAREDNESS REQUIREMENTS.

SHOULD HEAVY RAIN MOVE INTO YOUR AREA OR A WARNING IS ISSUED...
BE READY TO TAKE IMMEDIATE ACTION FOR SAFETY.

LEFKOF/GSP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 4:49 AM ESTFlash Flood WarningGSPGaston, Mecklenburg4 hr

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.