Alert archive / North Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 17, NWS Greenville-Spartanburg, SC

July 3, 2001Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 3, 2001, 12:22 AM EDT for Caldwell County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 3, 2001, 12:22 AM EDT (04:22 UTC)
Expired
Jul 3, 2001, 3:00 AM EDT
In force
3 hr
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 04:24 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 00:00Z, 4.4 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 00:00Z on 2001-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 197 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 00:00Z on 2001-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
197 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KGSP 030428
FFWGSP

NCC027-030700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1222 AM EDT TUE JUL 3 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 300 AM EDT

* AT 1222 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED NEARLY
  STATIONARY THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL...MAINLY
  OVER THE EASTERN HALF OF THE COUNTY. RADAR ESTIMATES THAT 2 TO 3
  INCHES OF RAIN HAVE FALLEN THUS FAR. SOME FLOODING OF AREA
  ROADWAYS HAS ALREADY BEEN REPORTED NEAR LENOIR...WITH MUDSLIDES
  OCCURRING IN THE NORTHERN END OF THE COUNTY.

* AN ADDITIONAL INCH OR TWO OF RAIN MAY FALL BEFORE THESE
  THUNDERSTORMS DISSIPATE. STREAMS AND CREEKS...PARTICULARLY THOSE
  OVER THE EASTERN HALF OF THE COUNTY...WILL LIKELY EXCEED BANKFULL.
  EXTREME PONDING OF WATER ON ROADWAYS MAY ALSO DEVELOP.

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 HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBQJECT TO FLOODING WHEN WATER BEGINS RISING.

$$
HG

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 Jul 2, 9:30 PM EDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jul 2, 9:30 PM EDT, 2 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
930 PM EDT MON JUL 2 2001

PRECIP COVERAGE HAS NOT BEEN TREMENDOUS THIS EVENING...BUT WITH
FRONT STALLED ACROSS WESTERN NC AND VAD WIND PROFILE STARTING TO
SHOW A GRADUAL SHIFT TO AN EASTERLY FLOW IN THE LOWEST 4K FT...AM
RELUCTANT TO TRIM POPS VERY MUCH. DEVELOPING WEAK UPSLOPE FLOW ALONG
WITH LOW LEVEL MOIST FLUX CONVERGENCE SHOULD PROVIDE PLENTY OF
SUPPORT TO KEEP TSRA FIRING FOR MUCH OF THE OVERNIGHT. WILL REDUCE
POPS TO CHC RANGE WITH LOWEST POPS NRN TIER TO HIGHEST SOUTH.

SFC DEWPOINTS SHOW LITTLE HINT OF DRYING IN THE EASTERLY FLOW ALONG
THE SLOWING FRONT. CURRENT FORECAST GENERALLY HAS TEMPS WELL IN
HAND. WILL REDUCE NRN MTN MINS TO AROUND 60 GIVEN LATEST TRENDS.

SEVERE THREAT REMAINS MINIMAL WITH HIGH WET BULB ZERO VALUES...MOIST
SOUNDINGS...AND WEAK WIND PROFILE. HEAVY RAIN WILL BE THE GREATEST
THREAT DURING THE OVERNIGHT WITH LATEST SRN PIEDMONT LAPS SOUNDINGS
SHOWING VIRTUALLY NO 0 TO 6 KM STORM MOTION. ALTHOUGH MOST STORMS
WILL RAIN OUT IN PLACE...WILL NOT ISSUE A SHORT TERM FLASH FLOOD
WATCH DUE TO SCATTERED COVERAGE.

FCSTID = 33
GSP   68  88  69  88 /  40  50  40  50
AND   68  88  69  88 /  40  50  40  50
CLT   67  86  68  88 /  40  40  40  50
HKY   66  83  67  86 /  30  30  30  50
AVL   64  82  64  83 /  40  40  40  50

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

HG


The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:26 AM EDTFlash Flood WarningGSPRutherford3 hr

Nearby

Flash Flood Warnings in North Carolina, 2001Every flash flood warning in 2001

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.