Alert archive / South Carolina / Flash Flood Warnings in 1990

Flash Flood Warning 12, NWS Greenville-Spartanburg, SC

February 16, 1990Greenville County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Feb 16, 1990, 2:31 PM EST for Greenville County, Pickens County, South Carolina. It was in force for 119 min.

The area

The counties it named.

The facts

Issued
Feb 16, 1990, 2:31 PM EST (19:31 UTC)
Expired
Feb 16, 1990, 4:30 PM EST
In force
119 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Greenville County, SC, Pickens County, SC

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 12:00Z, 7.5 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, Athens Municipal, GA at 12:00Z on 1990-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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, Athens Municipal, GA at 12:00Z on 1990-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 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
41 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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, Feb 16, 12:37 PM EST, 1 hour 54 minutes before
SCZ001>004-161900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
1235 PM EST FRI FEB 16 1990

...TORNADO WATCH CANCELLED FOR THE THE SOUTH CAROLINA MOUNTAINS
   AND FOOTHILLS...WHICH INCLUDES OCONEE...ANDERSON...PICKENS...
   GREENVILLE...SPARTANBURG...CHEROKEE...AND ABBEVILLE COUNTIES.

AT 1230 THIS AFTERNOON A LINE OF THUNDERSTORMS EXTENDED FROM CENTRAL
GEORGIA INTO THE SOUTH CAROLINA PIEDMONT...NEAR GREENWOOD AND CLINTON.
THESE STORMS WERE MOVING EAST 45 MILES AN HOUR...WITH HEAVY RAIN...
FREQUENT LIGHTNING...AND GUSTY WIND.
MUSGROVE
Special weather statement, Feb 16, 12:49 PM EST, 1 hour 42 minutes before
SCZ001>004-161930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
1245 PM EST FRI FEB 16 1990

...TORNADO WATCH UNTIL 6 PM FOR PORTIONS OF THE SOUTH CAROLINA
   PIEDMONT...WHICH INCLUDES UNION...LAURENS...AND GREENWOOD
   COUNTIES...

AT 1245 THIS AFTERNOON A LINE OF THUNDERSTORMS WAS MOVING THROUGH
THE PIEDMONT COUNTIES...AND EXTENDED FROM MCCORMICK...TO NINETY
SIX...TO WHITMIRE. THE STORMS WERE MOVING EAST 45 MILES AN HOUR
AND PRODUCING LOCALLY HEAVY RAIN...FREQUENT LIGHTNING...AND GUSTY
WIND.

A BROAD AREA OF HEAVY RAIN AND A FEW THUNDERSTORMS CONTINUES ACROSS
THE UPSTATE AREAS OF THE PALMETTO STATE...WITH LITTLE CHANGE
INDICATED FOR THE NEXT TWO TO THREE HOURS.
MUSGROVE
Special weather statement, Feb 16, 2:02 PM EST, 29 minutes before
SCZ001>004-162000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
200 PM EST FRI FEB 16 1990

...TORNADO WATCH UNTIL 6 PM FOR PORTIONS OF THE SOUTH CAROLINA
   PIEDMONT...WHICH INCLUDES UNION...LAURENS...AND GREENWOOD
   COUNTIES...

AT 2 OCLOCK THIS AFTERNOON MODERATE TO HEAVY RAIN WAS FALLING
THROUGHOUT THE FOOTHILLS AND PIEDMONT AREAS OF SOUTH CAROLINA
...WITH LIGHT RAIN OVER THE MOUNTAINS. A CLUSTER OF THUNDERSTORMS
WAS PRODUCING VERY HEAVY RAIN BETWEEN ANDEERSON...SPARTANBURG...
AND LAURENS. THE STORMS WERE MOVING TO THE EAST ABOUT 45 MILES
AN HOUR.
MUSGROVE

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 6:02 AM ESTFlash Flood WarningGSPCherokee3 hr
Feb 16, 7:05 AM ESTFlash Flood WarningGSPTransylvania3 hr
Feb 16, 7:53 AM ESTFlash Flood WarningGSPGraham, Macon3 hr
Feb 16, 7:53 AM ESTFlash Flood WarningGSPHenderson, Polk3 hr
Feb 16, 7:53 AM ESTFlash Flood WarningGSPBuncombe3 hr
Feb 16, 9:10 AM ESTFlash Flood WarningGSPCherokee2 hr
Feb 16, 9:10 AM ESTFlash Flood WarningGSPMcDowell2 hr
Feb 16, 10:12 AM ESTFlash Flood WarningGSPTransylvania3 hr
Feb 16, 12:52 PM ESTFlash Flood WarningGSPCleveland4 hr
Feb 16, 2:06 PM ESTFlash Flood WarningGSPCabarrus, Gaston, Lincoln, Mecklenburg4 hr
Feb 16, 11:32 AM ESTFlash Flood WarningGSPGreenville, Oconee, Pickens3 hr

Nearby

Flash Flood Warnings in South 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.