Alert archive / North Carolina / Flash Flood Warnings in 2002
Flash Flood Warning 16, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 21, 2002, 11:17 PM EDT for Swain 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 21, 2002, 11:17 PM EDT (03:17 UTC)
- Expired
- Sep 22, 2002, 2:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Swain County, NC
The radar
The Knoxville radar (KMRX), 76 km from the middle of the area, began a volume at 03:16 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, 3.3 hours before the alert went out and 253 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.
- Mixed-layer CAPE
- 1817 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 929 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KGSP 220317 FFWGSP NCC173-220615- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1113 PM EDT SAT SEP 21 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... SWAIN COUNTY IN WESTERN NORTH CAROLINA * UNTIL 215 AM EDT * AT 1105 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FALLING OVER MUCH OF SWAIN COUNTY. THUNDERSTORMS HAVE BEEN OVER THE COUNTY FOR THE PAST 2 TO 3 HOURS...AND RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS FALLEN OVER CENTRAL AND NORTHERN SWAIN COUNTY SO FAR. * THUNDERSTORMS ARE EXPECTED TO CONTINUE OVER THE CENTRAL AND NORTHERN PART OF THE COUNTY FOR THE NEXT HOUR. AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE. THIS WILL CAUSE FLOODING OF SMALL STREAMS IN GREAT SMOKY MOUNTAIN NATIONAL PARK. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS ALONG STREAMS SHOULD MOVE TO HIGHER GROUND NOW. $$ MCAVOY
2 follow-up statements
000 WGUS72 KGSP 220459 FFSGSP NCC173-220615- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1256 AM EDT SUN SEP 22 2002 ...FLOODING APPEARS IMMINENT ALONG DEEP CREEK IN SWAIN COUNTY... AT 1250 AM...WEATHER RADAR AT GREENVILLE SPARTANBURG SHOWED HEAVY RAIN THAT FELL EARLIER HAD SHIFTED EAST INTO HAYWOOD...AND JACKSON...COUNTIES. ONLY SCATTERED RAIN SHOWERS WERE LEFT IN SWAIN COUNTY...MOSTLY IN THE NORTHEAST CORNER. A CAMPER IN THE GREAT SMOKY MOUNTAIN NATIONAL PARK REPORTED THAT DEEP CREEK WAS AT BANKFULL...AND VERY CLOSE TO OVERFLOWING ITS BANKS. ALTHOUGH RAIN HAS ENDED FOR THE TIME BEING...THERE COULD BE ENOUGH ADDITIONAL INFLOW FROM UPSTREAM FEEDER CREEKS TO SEND DEEP CREEK INTO FLOOD. THIS COULD ENDANGER CAMPGROUNDS IN THE NATIONAL PARK ALONG DEEP CREEK. A PARK RANGER WAS ENROUTE TO INVESTIGATE. THERE HAD BEEN NO OTHER REPORTS OF HIGH WATER OR IMMINENT FLOODING REPORTED TO LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE. HOWEVER...THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT UNTIL 215 AM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. USE CAUTION IN OR NEAR ANY SMALL CREEK TONIGHT...AND AVOID ROUTES THAT YOU KNOW ARE FLOOD PRONE. PEOPLE IN THE WARNED AREA...ESPECIALLY CAMPERS...SHOULD MOVE TO HIGHER GROUND NOW...DO NOT DELAY. WATER MAY RISE TOO QUICKLY FOR YOU TO GET OUT OF DANGER LATER. $$ BURRUS
000 WGUS72 KGSP 220622 FFSGSP NCC173-220715- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 216 AM EDT SUN SEP 22 2002 ...THE FLASH FLOOD WARNING FOR SWAIN COUNTY EXPIRED AT 215 AM EDT... AT 215 AM...WEATHER RADAR SHOWED JUST A FEW DYING RAIN SHOWERS IN WESTERN NORTH CAROLINA...WITH NO RAINFALL IN SWAIN COUNTY. A FEW LIGHT RAIN SHOWERS MAY DEVELOP OVERNIGHT...BUT ADDITIONAL HEAVY RAINFALL IN SWAIN COUNTY IS NOT EXPECTED UNTIL LATER TODAY. LAW ENFORCEMENT CONFIRMED DEEP CREEK REMAINS ELEVATED WITHIN THE SOUTHERN REACHES OF THE GREAT SMOKY MOUNTAIN NATIONAL PARK...BUT WITH NO ADDITIONAL AREAS OF IMMINENT CONCERN FROM ACROSS THE COUNTY. PARK PERSONNEL HAVE BEEN MONITORING CAMPGROUNDS ALONG DEEP CREEK...BUT NO ACTUAL FLOODING WITHIN THE DEEP CREEK BASIN HAS BEEN OBSERVED. STAY TUNED TO NOAA WEATHER RADIO...OR YOUR FAVORITE RADIO OR TELEVISION STATION...FOR THE LATEST WEATHER INFORMATION. $$ BURRUS
Nearby
Flash Flood Warnings in North Carolina, 2002Every flash flood warning in 2002
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.