Alert archive / North Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 35, NWS Greenville-Spartanburg, SC

August 12, 2001Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 12, 2001, 10:40 PM EDT for Madison 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: Aug 12, 2001, 10:40 PM EDT (02:40 UTC)
Expired: Aug 13, 2001, 1:30 AM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Madison County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.7 hours before the alert went out and 254 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: 678 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1533 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 98 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 130242
FFWGSP
NCC115-130530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1040 PM EDT SUN AUG 12 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 130 AM EDT

* AT 1038 PM EDT...WEATHER SERVICE RADAR AND SHERIFFS REPORTS 
INDICATED HEAVY RAIN OVER WESTERN MADISON COUNTY. FOR THE PAST 
HOUR...RADAR HAS INDICATED HEAVY RAIN FALLING IN THE HEADWATERS OF 
LAUREL CREEK AND LITTLE LAUREL CREEK IN MADISON COUNTY. HEAVY RAIN 
WILL CONTINUE FOR AT LEAST ANOTHER 30 MINUTES...WHICH WILL BE 
SUFFICIENT TO CAUSE FLASH FLOODING.

* AT 1020 PM EDT THE MADISON COUNTY DISPATCH REPORTED THAT LITTLE 
LAUREL CREEK WAS ABOUT 1 1/2 FEET BELOW THE BRIDGE AT BRIGMAN HOLLOW 
RD. IN ADDITION...RAPID RISES WERE REPORTED ON THE BIG LAUREL CREEK. 
SEVERAL SMALL CREEKS FEEDING INTO THE BIG AND LITTLE LAUREL CREEKS 
ARE EXPECTED TO RISE ABOVE BANKFULL DUE TO THE HEAVY RAIN. THIS WILL 
AFFECT PRIMARILY STATE ROUTE 208 AS WELL AS OTHER SECONDARY ROADS.

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 SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

$$
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 12, 9:07 PM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, Aug 12, 9:07 PM EDT, 1 hour 33 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
907 PM EDT SUN AUG 12 2001

WARM TOP CONVECTION CONTINUES OVER NE GA AND THE W CAROLINAS THIS
EVE. BIGGEST PROBLEM IS WITH CONT MDT TO HVY RAIN OVER SOME AREAS IN
THE MTNS THAT ARE SATURATED FROM PREVIOUS DAYS. LIKELY POPS IN THE
MOUNTAINS AND N FOOTHILLS WITH SCT POPS ELSEWHERE LOOKS GOOD. TEMP
AND WIND REASONABLE SO WILL LEAVE ZONE FORECAST AS IS.

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

RB

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.