Alert archive / North Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 1, NWS Greenville-Spartanburg, SC

May 17, 2001Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at May 17, 2001, 6:51 PM EDT for Transylvania County, North Carolina. It was in force for 114 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
May 17, 2001, 6:51 PM EDT (22:51 UTC)
Expired
May 17, 2001, 8:45 PM EDT
In force
114 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Transylvania County, NC

The radar

The Greer radar (KGSP), 63 km from the middle of the area, began a volume at 22:54 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.9 hours before the alert went out and 257 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, Peachtre/Fal Fld, GA at 12:00Z on 2001-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Peachtre/Fal Fld, GA at 12:00Z on 2001-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -82 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1519 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-82 m²/s²
0-3 km storm-relative helicity
-54 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 172301
FFWGSP
NCC175-180045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
651 PM EDT THU MAY 17 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 845 PM EDT

* AT 651 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN ASSOCIATED WITH NEARLY STATIONARY THUNDERSTORMS ABOUT 3 MILES
  NORHTWEST OF BREVARD. THESE THUNDERSTORMS HAVE ALREADY PRODUCED 3
  TO 4 INCHES OF RAINFALL AND MAY PRODUCE AN ADDITIONAL 2 INCHES OF
  RAIN.

* FLOODING IS LIKELY ALONG DAVIDSON RIVER AND ANY CONNECTED
  TRIBUTARIES AND CREEKS. MOST LIKELY TO BE AFFECTED BY RISING WATER
  IS ROUTE 276...MAINLY NEAR LOOKING GLASS FALLS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE SAFELY
DRIVEN THROUGH FLOOD WATERS.
$$
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 May 17, 3:30 PM EDT, 3 hours 21 minutes earlier.

Area forecast discussion, May 17, 3:30 PM EDT, 3 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 PM EDT THU MAY 17 2001

ONE SHOWER HAS POPPED UP IN WRN NC. STORM MOTION WOULD PUT IT IN THE
SC/GA MTNS IF IT HOLDS TOGETHER. DID NOT INCLUDE A POP IN SC/GA MTNS
OR WRN UPSTATE...BUT WILL IF NECESSARY.

LAST CHANCE FOR PRECIP WITH CURRENT PATTERN TONIGHT. SOME MOISTURE
AND INSTABILITY OVER THE CWFA. COLD POOL/OUTFLOW BOUNDARIES
ASSOCIATED WITH EARLIER AND CURRENT MCS WILL MOVE ACROSS AREA THIS
EVENING. DOES NOT APPEAR TO BE AS SLY A TRAJECTORY AS PREVIOUS DAYS.
HAVE KEPT POPS OVER NC BUT LOWER THAN EARLIER.

SFC FNT AND LOW LEVEL MOISTURE PULL NORTH OF THE AREA FRI AS ZONAL
FLOW RETURNS. ATMOS BECOMES QUITE DRY WITH RISING THICKNESSES.
SHOULD SEE SUNSHINE AND A NICE WARM UP AFTER EARLY CLOUDS. LITTLE
MOISTURE AND WLY FLOW FRI NIGHT. MOSTLY CLEAR AND WARM.

MDLS QUITE DIFFERENT SAT. ETA SLOWER WITH FNT...MOISTURE AND LIFT
WHILE AVN MUCH FASTER. ETA WOULD INDICATE FEW CLOUDS AND LATE POP
FOR MTNS ONLY. AVN MORE CLOUDS AND SMALL POP BUT BETTER CHANCE GRD
TO CLT. HAVE TAKEN A MIDDLE ROAD WITH SOME CLOUDS AND SMALL POP.
WENT CLOSE TO FWC SAT WITH CLOUDS AND SLIGHTLY LOWER THICKNESSES.
FAN TOO COLD...UNLESS FNT REALLY MOVES THRU THAT EARLY.

UNSETTLED EARLY IN THE EXTENDED WITH WAVES ZIPPING THRU IN THE ZONAL
FLOW. KEPT CHC POPS EARLY THEN DRY DAY 6/7.

GSP   61  89  62  86 /  10  10  10  30
AND   60  90  61  87 /  10  10  10  30
CLT   60  88  61  85 /  20  10  10  30
HKY   60  86  61  82 /  30  20  20  30
AVL   58  85  59  80 /  20  10  20  30

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

RWH

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.