Alert archive / North Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 14, NWS Greenville-Spartanburg, SC

June 28, 2001Yancey County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jun 28, 2001, 4:58 PM EDT for Yancey County, North Carolina. It was in force for 2 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
Jun 28, 2001, 4:58 PM EDT (20:58 UTC)
Expired
Jun 28, 2001, 7:00 PM EDT
In force
2 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Yancey County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.0 hours before the alert went out and 218 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, Greensboro/Hi Pt, NC at 12:00Z on 2001-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 999 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, Greensboro/Hi Pt, NC at 12:00Z on 2001-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
999 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
8 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 282058
FFWGSP
NCC199-282300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
458 PM EDT THU JUN 28 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 700 PM EDT

* AT 442 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAIN OVER SOUTHERN YANCEY COUNTY WITH SLOW MOVING THUNDERSTORMS.

* THE AREA OF CONCERN IS MAINLY ALONG THE SOUTH TOE RIVER AND THE 
SMALL CREEKS AND RIVERS FEEDING INTO IT. ROUTE 80 MAY ALSO BE 
AFFECTED AROUND THE TOWN CELO.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE 
SAFELY DRIVEN THROUGH FLOOD WATEJRS.

$$

RB

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 Jun 28, 2:09 PM EDT, 2 hours 49 minutes earlier.

Area forecast discussion, Jun 28, 2:09 PM EDT, 2 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
209 PM EDT THU JUN 28 2001

NOT MUCH CHANGE IN THE PATTERN FOR THE SHORT TERM. UPPER LOW WL
SLOWLY EDGE W OVER THE NEXT 48 HOURS...OR PERHAPS JUST STALL OVER
THE MID MS RIVER VALLEY. IN FACT...THE MAJOR INFLUENCE IN OUR WX THE
THE COUPLE DAYS WL NOT SO MUCH BE THE UPPER LOW...BUT AN AREA OF
TROFINESS OVER THE ATLANTIC COAST. A LARGE AREA OF CONVECTION HAS
FORMED AGAIN TDA UNDER THIS TROF...FROM CENTRAL FL N INTO THE
MIDLANDS. THE ETA AND AVN LIFT AN OCCASIONAL WEAK VORT N OUT OF THE
TROF AND ACROSS THE CWA OVER THE NEXT TWO DAYS.

AS A RESULT...WE STAY IS A DEEP...MOIST SLY FLOW FOR A QUITE A
WHILE. AS WAS THE CASE LAST NGHT...THIS MEANS THAT CONVECTION COULD
FIRE ANYWHERE AT ANY TIME...THOUGH IT WL BE FAVORED IN THE AFTN AND
EVENING. WL GO 50 POPS MTNS AND 40 POPS ELSEWHERE NEXT TWO PERIODS
AND THEN JUST A 40 POP ALL ZONES. I AM SURE THAT AT SOME POINT OVER
THE NEXT TWO DAYS WE WL GET A CATEGORICAL MCS...BUT I CAN/T REALLY
SAY WHEN. HENCE THE RATHER HIGH CHANCE POPS.

ANOTHER CONCERN IS POSSIBLE FLOODING. PARTS OF THE MTNS ARE QUITE
WET NOW...W/3 HRLY FFG AS LOW AS 2 INCHES. WON/T ISSUE ANY KIND OF
WATCH...BUT ADVISE EVENING SHIFT TO STRONGLY CONSIDER THE IDEA IF IT
LOOKS LIKE MCS DEVELOPING TO OUR SE MAKES IT INTO THE CWA.

FOR THE EXTENDED...THE LATEST AVN IS MUCH MORE AGGRESSIVE WITH THE
LEAD SHORTWAVE DIVING INTO THE DEVELOPING E COAST LONGWAVE EARLY
NEXT WEEK. IN FACT...THE AVN NOW HAS FROPA MON...A GOOD 2 DAYS
FASTER THAN PREVIOUS THINKING. WL NOT WEIGHT THE AVN SOLUTION
HEAVILY FOR NOW...AS OTHER TRENDS ARE POINTING TOWARD A SLOWER
FRONT...BUT WILL LOWER TEMPS A LITTLE DAYS 6 AND 7. WL KEEP CHANCE
POPS ALL 5 DAYS OF THE EXTENDED.

FCSTID = 14
GSP   67  88  69  89 /  40  40  40  40
AND   67  88  69  89 /  40  40  40  40
CLT   67  88  69  89 /  40  40  40  40
HKY   66  87  67  88 /  40  40  40  40
AVL   64  83  64  84 /  50  50  40  40

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

MCAVOY

In the hours before

Special weather statement, Jun 28, 11:25 AM EDT, 5 hours 33 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-290200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1125 AM EDT THU JUN 28 2001

...ISOLATED SEVERE THUNDERSTORMS AND FLASH FLOODING POSSIBLE THIS
AFTERNOON AND EVENING...

RECENT HEAVY RAIN HAS RESULTED IN NEARLY SATURATED CONDITIONS
ACROSS PARTS OF THE MOUNTAINS OF NORTH CAROLINA AND NORTHEAST
GEORGIA. WHILE CONVECTIVE ACTIVITY IS NOT EXPECTED TO BE AS
WIDESPREAD TODAY...ANY STRONG...SLOW MOVING THUNDERSTORMS COULD
PRESENT A FLASH FLOODING THREAT OVER THE MOUNTAINS. A FLASH FLOOD
WATCH HAS NOT BEEN ISSUED AS THE EXPECTED LACK OF HEAVY RAIN SHOULD
PRECLUDE ANYTHING MORE THAN ISOLATED FLOODING PROBLEMS.

IN ADDITION...A MOIST AND UNSTABLE AIRMASS REMAINS OVER THE REGION.
WHILE THE SEVERE THREAT CONTINUES TO BECOME LESS PRONOUNCED AS AN
UPPER LOW MOVES FARTHER TO THE WEST OF THE REGION...AN ISOLATED
SEVERE THUNDERSTORM IS POSSIBLE ALMOST ANYWHERE ACROSS THE REGION
THIS AFTERNOON.

MCAVOY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 9:54 PM EDTFlash Flood WarningGSPMadison3 hr

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.