Alert archive / North Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 34, NWS Greenville-Spartanburg, SC

August 5, 2001Jackson County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 5, 2001, 2:45 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: Aug 5, 2001, 2:45 AM EDT (06:45 UTC)
Expired: Aug 5, 2001, 5:45 AM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Jackson County, NC

The radar

The Greer radar (KGSP), 95 km from the middle of the area, began a volume at 06:44 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 00:00Z, 6.8 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: 1124 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1137 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 16 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 050654
FFWGSP

NCC099-050945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
245 AM EDT SUN AUG 5 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 545 AM EDT

* AT 237 AM EDT...AUTOMATED RAIN GAUGES REPORTED EXCESSIVE RAINFALL
  AT COLD CREEK NEAR WOLF MOUNTAIN.  RAINFALL OF OVER TWO AND A HALF 
  INCHES IN AN HOUR WAS RECORDED.

* AN AREA OF MODERATE RAIN WILL MOVE SLOWLY ACROSS JACKSON COUNTY.
  CONDITIONS ARE FAVORABLE FOR HEAVY RAIN TO CONTINUE DEVELOPING IN
  THE SAME AREA.  RECENT HEAVY RAINS HAVE LIMITED THE AMOUNT OF
  ADDITIONAL RAIN CREEKS AND STREAMS CAN HANDLE.

COLD CREEK FEEDS INTO TANASEE CREEK RESERVOIR AND WOLF CREEK 
RESERVOIR. COUNTY OFFICIALS SHOULD MONITOR CONDITIONS AND BE 
PREPARED TO TAKE APPROPRIATE ACTION IF FLOODING IS OBSERVED.  

RESIDENTS SHOULD ALSO BE AWARE OF DEVELOPING CONDITIONS AND SHOULD 
MOVE TO SAFETY IF RISING WATER THREATENS.  MOTORISTS SHOULD AVOID 
DRIVING THROUGH HIGH WATER ON ROADS...ESPECIALLY AT NIGHT WHEN THE 
DEPTH CANNOT BE EASILY GAUGED.  =

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.

$$

DELGADO

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 5, 2:35 AM EDT, 10 minutes earlier.

Area forecast discussion, Aug 5, 2:35 AM EDT, 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
235 AM EDT SUN AUG 5 2001

UPPER LEVEL ENERGY TO PUSH SLOWLY S OF AREA BY TON. ETA/NGM CONTINUE
MOVING THIS ENERGY S...BRINGING W NC INTO NVA BY MON...WHILE AVN
RETURNS IMPULSE AND ASSOCIATED MOISTURE BACK N OVER NC MON. WEAK
SURFACE BOUNDARY TO CONTINUE TO SETTLE S...STALLING SOMEWHERE NEAR S
PORTION OF AREA. MODELS NOT VERY SPECIFIC WITH THIS FEATURE.
MOISTURE FROM BARRY MAY REMAIN W OF AREA...BUT E FLOW OFF ATLANTIC
TO BRING PLENTY OF MOISTURE INTO AREA...WITH UPSLOPE COMPONENT
THROUGH EARLY PART OF PACKAGE. WITH WEAK UPPER LEVEL DYNAMICS IN
DOUBT...AND OFFICAL PRODUCTS FROM NHC/NMC KEEPING BARRY MOISTURE W
OF AREA...WILL LEAVE POPS AT CHANCE THROUGH MONDAY NIGHT...WITH BEST
CHANCE S NEAREST DYNAMICS...AND W FOR OROGRAPHICS. MAXIMUM
TEMPERATURES BELOW NORMAL WITH CLOUDS COVER...AND MINIMUMS ABOVE
NORMAL DUE TO MOISTURE.

NO CHANGES PLANNED FOR EXTENDED AT THIS TIME.

FCSTID = 7
GSP   85  70  88  70 /  40  40  40  40
AND   86  71  89  71 /  40  40  40  40
CLT   86  70  89  70 /  30  30  30  30
HKY   83  67  85  67 /  40  40  40  40
AVL   82  65  84  65 /  40 C 40  40  40

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

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; radar from the NEXRAD Level II archive.