Alert archive / North Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 37, NWS Greenville-Spartanburg, SC

September 10, 2001Jackson County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 10, 2001, 2:00 AM EDT for Jackson 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: Sep 10, 2001, 2:00 AM EDT (06:00 UTC)
Expired: Sep 10, 2001, 4:45 AM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Jackson County, NC

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.0 hours before the alert went out and 247 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 349 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1204 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 19 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 100603
FFWGSP
NCC099-100845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
200 AM EDT MON SEP 10 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN JACKSON COUNTY IN NORTH CAROLINA

* UNTIL 445 AM EDT

* AT 145 AM EDT...AUTOMATED RAIN GAUGES REPORTED EXCESSIVE 
  RAINFALL IN EXTREME SOUTHEASTERN JACKSON COUNTY. AN AUTOMATED GAUGE
  ON BLACKROCK MOUNTAIN REPORTED 2 INCHES OF RAIN IN AN HOUR AND      
  NEARLY 4 INCHES OF RAIN IN THREE HOURS. HEAVY RAIN IS EXPECTED TO
  CONTINUE FOR ANOTHER 30 MINUTES TO AN HOUR...WITH UP TO 2 MORE
  INCHES OF RAIN POSSIBLE IN THIS AREA.

* AREAS MOST LIKELY TO FLOOD INCLUDE THE PANTHERTOWN CREEK AND THE 
  HEADWATERS OF THE TUCKASEGEE RIVER AT ROCK BRIDGE ALONG ROUTE 281. 
  ON THE NORTH SIDE OF THE TUCKASEGEE DRAINAGE...TANASEE CREEK AND
  WOLF CREEK MAY ALSO EXPERIENCE FLOODING.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS 
AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. CAMPERS ALONG STREAMS 
IN THE WARNING AREA SHOULD SEEK HIGHER GROUND NOW.

$$
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 Sep 9, 9:35 PM EDT, 4 hours 25 minutes earlier.

Area forecast discussion, Sep 9, 9:35 PM EDT, 4 hours 25 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
935 PM EDT SUN SEP 9 2001

LATEST RUC RUN SHOWS CONTINUED WEAK WARM ADVECTION AND A SOUTHEAST
UPSLOPE FLOW THROUGH 06Z BEFORE STEADILY DIMINISHING. BEST
COMBINATION OF FORCING AND RESIDUAL INSTABILITY IS IN THE UPSTATE
AND NE GA. CAN TRIM POPS BACK TO ISOLATED...HOWEVER...IN THIS AREA
AND HOLD ONTO ISOLATED COVERAGE IN THE WEAK UPSLOPE IN THE NC
FOOTHILLS. WILL REMOVE POP MENTION ALONG INTERSTATE 77 CORRIDOR AND
INTRODUCE PATCHY FOG WORDING THROUGHOUT.

RUC TIMING PUSHES CONVECTION AHEAD OF THE FRONT INTO THE WESTERN
MOUNTAIN ZONES TOWARD 12Z. WILL NEED TO HOLD ONTO CHC POP FOR THE NC
HIGH TERRAIN OVERNIGHT DUE TO THE UPSLOPE SHOWERS EARLY AND
CONVECTION ARRIVING LATE. BEST DPVA...UPPER JET FORCING...AND MID
LEVEL SPEED MAXIMA ALL SLIP NORTH THROUGH THE OH VALLEY AS FRONT
PROGRESSES EASTWARD...SO SEVERE WEATHER IS NOT EXPECTED WITH LATE
ARRIVING CONVECTION.

FCSTID = 33
GSP   68  82  67  82 /  20  40  40  20
AND   68  82  67  82 /  20  40  40  20
CLT   68  81  67  81 /  20  40  30  20
HKY   66  80  66  80 /  20  40  30  10
AVL   64  78  63  78 /  30  50  20  20

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

HG

Nearby

Flash Flood Warnings in North Carolina, 2001 Every 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.