Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 112, NWS Greenville-Spartanburg, SC

August 7, 2003Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 7, 2003, 3:47 PM EDT for Caldwell County, North Carolina. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 7, 2003, 3:47 PM EDT (19:47 UTC)
Expired
Aug 7, 2003, 5:45 PM EDT
In force
118 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Caldwell County, NC

The radar

The Greer radar (KGSP), 134 km from the middle of the area, began a volume at 19:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 149 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 2003-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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 2003-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
46 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1051 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
59 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 
WGUS52 KGSP 071947
FFWGSP
NCC027-072145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
347 PM EDT THU AUG 7 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALDWELL COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 545 PM EDT

* THE COUNTY EMERGENCY MANAGER REPORTED THAT COTTRELL HILL ROAD IN 
THE EASTERN PART OF LENOIR WAS CLOSED DUE TO A FLOODED STREAM. 
FLOODED ROADS WERE ALSO REPORTED IN THE KINGS CREEK AREA. RADAR 
ESTIMATES THAT AROUND 2 INCHES OF RAIN HAS FALLEN IN THE CENTRAL AND 
EASTERN PART OF THE COUNTY DURING THE PAST HOUR. THIS IS ON TOP OF 
SEVERAL INCHES OF RAIN THAT FELL IN THE SAME AREA YESTERDAY.

AS OF 345 PM...THE HEAVIEST RAIN HAD MOVED INTO THE EASTERN PART OF 
CALDWELL COUNTY...ALONG STATE ROUTE 64...IN THE VICINITY OF OAK 
HILL. IN THIS AREA...AN ADDITIONAL 1 TO 2 INCHES OF RAIN MAY FALL. 
HEAVY RAIN WAS ALSO MOVING BACK INTO THE SOUTHWEST PART OF THE 
COUNTY. 

DURING HEAVY RAIN EVENTS...SEVERE URBAN FLOODING CAN OCCUR IN AREAS
SUCH AS UNDERPASSES AND LOW AREAS WHERE WATER TENDS TO COLLECT.
CHILDREN SHOULD BE KEPT AWAY FROM SMALL STREAMS AND FLOODED STORM
DRAINS.

$$
MCAVOY

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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at Aug 7, 9:30 AM EDT, 6 hours 17 minutes earlier.

Area forecast discussion, Aug 7, 9:30 AM EDT, 6 hours 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
930 AM EDT THU AUG 7 2003

FORECAST ON TRACK WITH SCT SHOWERS MOVING INTO MTNS...ISOLD ACROSS N
FOOTHILLS/PIEDMONT ATTM. WILL UPDATE TO REMOVE MENTION OF FOG...NO
OTHER CHANGES PLANNED.

.GSP...
GA...NONE.
NC...FLOOD WATCH FOR TODAY AND TONIGHT FOR ZONES NCZ033>037...
NCZ048>050...NCZ053>057...NCZ065>072...NCZ082.

SC...FLOOD WATCH FOR TODAY AND TONIGHT FOR ZONES SCZ003...
SCZ006>009...SCZ012>014.

RB
Hazardous weather outlook, Aug 7, 5:21 AM EDT, 10 hours 26 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-071100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
521 AM EDT THU AUG 7 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA...
UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA.

.DAY ONE...TODAY

SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE WESTERN CAROLINAS
AND NORTHEAST GEORGIA TODAY AND THIS EVENING. WITH EXCESSIVE
RAINFALL EXPECTED...A FLOOD WATCH HAS BEEN ISSUED FOR TODAY AND
TONIGHT. THE WATCH COVERS PORTIONS OF THE WESTERN CAROLINAS
GENERALLY EAST OF A LINE THROUGH ASHEVILLE AND GREENVILLE. PLEASE
SEE THE LATEST FLOOD WATCH (FFAGSP) FOR ADDITIONAL DETAILS. OUTSIDE
THE WATCH AREA...SCATTERED STORMS MAY PRODUCE LOCALLY HEAVY
RAINFALL. A FLOOD POTENTIAL OUTLOOK (ESFGSP) WILL ADDRESS CONCERNS
FOR POSSIBLE FLOODING FOR TODAY THROUGH FRIDAY. IN ADDITION...SOME
OF THESE STORMS MAY REACH SEVERE LEVELS THIS AFTERNOON AND EVENING.
PLEASE SEE THE LATEST SEVERE WEATHER OUTLOOK (SPSGSP) FOR FURTHER
INFORMATION.

.DAYS TWO THROUGH SEVEN...

A FLOOD WATCH WILL REMAIN IN EFFECT FOR TONIGHT. A UPPER AREA OF LOW
PRESSURE WILL EXIST OVER THE FORECAST AREA FOR THE REST OF THE
PERIOD. THIS SYSTEM WILL LEAD TO THE DEVELOPMENT OF
THUNDERSTORMS...SOME MAY PRODUCE SEVERE WEATHER AND/OR EXCESSIVE
RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY AND TONIGHT.

NED

In the hours before

Special weather statement, Aug 7, 3:09 PM EDT, 38 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-080300-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
309 PM EDT THU AUG 7 2003

...ISOLATED SEVERE THUNDERSTORMS AND LOCALIZED FLOODING POSSIBLE
AGAIN THIS EVENING...

SCATTERED TO NUMEROUS THUNDERSTORMS WILL PERSIST THROUGH THE EVENING
HOURS ACROSS NORTHEAST GEORGIA AND THE WESTERN CAROLINAS. THESE
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING PENNY SIZE HAIL AND
DAMAGING WIND GUSTS OF 60 MPH.

THESE THUNDERSTORMS COULD ALSO PRODUCE TORRENTIAL RAINFALL AT THE
RATE OF A COUPLE OF INCHES PER HOUR. SOME LOCATIONS COULD
EXPERIENCE SEVERAL ROUNDS OF THUNDERSTORMS. POTENTIAL FLOODING
TONIGHT IS ADDRESSED IN GREATER DETAIL IN THE FLOOD WATCH AND FLOOD
POTENTIAL STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR
THE LATEST UPDATES CONCERNING THIS POTENTIAL SEVERE WEATHER
SITUATION.

SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY THIS EVENING.
DISPATCHERS SHOULD ENSURE COUNTY EMERGENCY MANAGEMENT OFFICIALS ARE
AWARE OF THIS INFORMATION.

07
Local storm report, Aug 7, 3:11 PM EDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
311 PM EDT THU AUG 07 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

245 PM     3 NW SALEM                SC   .75 INCH HAIL
08/07/03   OCONEE                         REPORT RECEIVED FROM THE
                                          PUBLIC

RBN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 11:20 PM EDTFlash Flood WarningGSPCatawba3 hr
Aug 7, 12:07 AM EDTFlash Flood WarningGSPCleveland3 hr

Nearby

Flash Flood Warnings in North Carolina, 2003Every flash flood warning in 2003

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; radar from the NEXRAD Level II archive.