Alert archive / North Carolina / Flash Flood Warnings in 1999

Flash Flood Warning 3, NWS Greenville-Spartanburg, SC

July 1, 1999Iredell County, Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 1, 1999, 9:56 PM EDT for Iredell County, Rowan 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 1, 1999, 9:56 PM EDT (01:56 UTC)
Expired
Jul 2, 1999, 1:00 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Iredell County, NC, Rowan County, NC

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.9 hours before the alert went out and 196 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, Roanoke, VA at 00:00Z on 1999-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 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, Roanoke, VA at 00:00Z on 1999-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939Sfc1 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
67 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1368 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
106 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 KGSP 020158
FFWGSP
NCC097-159-020500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
956 PM EDT THU JUL 1 1999

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN IREDELL COUNTY IN NORTH CAROLINA
  WESTERN ROWAN COUNTY IN NORTH CAROLINA

* UNTIL 100 AM EDT

* AT 955 PM... NATIONAL WEATHER SERVICE RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RdAIN NEAR SHEPHERDS...NEARLY
  STATIONARY.
*

REMEMBER THAT MOST FLOOD FATALITIES ARE THE RESULT OF DRIVING INTO
FLOODED STREETS...ROADS...OR STREAMS...OR OCCUR WHEN CHILDREN PLAY
IN OR NEAR STORM DRAINS OR STREAMS.

$$
JAT

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 1, 9:05 PM EDT, 51 minutes earlier.

Area forecast discussion, Jul 1, 9:05 PM EDT, 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
905 PM EDT THU JUL 1 1999

RUC SHOWS AREA OF LOW LEVEL CONVERGENCE DECREASING ACORSS PIEDMONT.
ANOTHER AREA OF WEAK CONVERGENCE MOVES INTO MOUNTAINS AT 06Z...THEN
INTO SC MIDLANDS BY 09Z. VORT MAX ASSOCIATED WITH PRECIPITATION
MOVES E OF AREA BY 03 Z BUT NEXT VORT TO APPROACH MOUNTAINS AFTER
06Z AND REACH TN BORDER AT 09Z. WITH ACTIVITY FIRING IN NE GA AND
WEAK ECHOES IN NC MOUNTAINS...WILL LEAVE CHANCE POPS ALL AREAS
OVERNIGHT. DEW POINTS RATHER UNIFORM ACROSS AREA. GSP RUNNING A
BIT WARM BUT OTHERWISE TEMPERATURES SIMILAR. AVL DEW POINT SUGGESTS
WARMER NC MOUNTAIN MINIMUMS BUT THIS HAPPENED LAST NIGHT AND MOST
OF MOUNTAINS COOLED TO MID 60S. WILL LEAVE TEMPERATURES ALONE.

.GSP...NONE.

JAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 2:53 PM EDTFlash Flood WarningGSPBuncombe2 hr
Jul 2, 3:01 PM EDTSevere Thunderstorm WarningGSPBuncombe34 min

Nearby

Flash Flood Warnings in North Carolina, 1999Every flash flood warning in 1999

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.