Alert archive / North Carolina / Flash Flood Warnings in 2004
Flash Flood Warning 18, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jun 21, 2004, 10:52 PM EDT for Transylvania 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 outline as issued.
The facts
- Issued
- Jun 21, 2004, 10:52 PM EDT (02:52 UTC)
- Expired
- Jun 22, 2004, 1:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Transylvania County, NC
The radar
The Greer radar (KGSP), 66 km from the middle of the area, began a volume at 02:53 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.9 hours before the alert went out and 256 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
- 942 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 701 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 68 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 220252 FFWGSP NCC175-220545- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1052 PM EDT MON JUN 21 2004 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA * UNTIL 145 AM EDT * AT 1045 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM A THUNDERSTORM NEAR CEDAR MOUNTAIN. THE STORM CAUSING FLASH FLOODING WAS NEARLY STATIONARY. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSMAN AND LAKE TOXAWAY. AT 1040 PM...THE COMMUNICATIONS CENTER REPORTED THAT EVACUATIONS WERE BECOMING NECESSARY ALONG A CREEK AT CEDAR LANE ROAD. EXTREMELY HEAVY RAINFALL IN THE AREA WAS CAUSING TREES AND POWER LINES TO FALL...APPARENTLY FROM MUDSLIDES. HIGHWAY 276 WAS REPORTED FLOODING...AND COULD BE CLOSED. THE LARGE...NEARLY STATIONARY THUNDERSTORM...COULD CAUSE FLASH FLOODING TO BEGIN IN OTHER SECTIONS OF THE COUNTY. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAIN COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. 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. LAT...LON 3522 8290 3505 8303 3517 8258 3542 8272 $$ JONES
2 follow-up statements
000 WGUS72 KGSP 220350 FFSGSP NCC175-220545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1150 PM EDT MON JUN 21 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 145 AM EDT FOR TRANSYLVANIA COUNTY... AT 1140 PM EDT...THE COMMUNICATIONS CENTER REPORTED THAT FLASH FLOODING WAS CONTINUING...AND EXPANDING...IN TRANSYLVANIA COUNTY. ALL THE FLOODING WAS ALONG US 276 SOUTH OF BREVARD...TO NEAR THE STATE LINE. SEVERAL ROADS WERE CLOSED...THERE WAS DEBRIS IN ROADS...AND SOME EVACUATIONS WERE REPORTED. HEAVY RAIN CONTINUED...BUT HAD SLACKENED OFF A BIT SINCE 11 PM EDT. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSMAN AND LAKE TOXAWAY. HOWEVER...RAINFALL HAS NOT BEEN NEARLY AS HEAVY IN THOSE AREAS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. WATCH FOR MUD SLIDES AND ROCK SLIDES. LAT...LON 3522 8290 3505 8303 3517 8258 3542 8272 $$ JONES
000 WGUS72 KGSP 220545 FFSGSP NCC175-220545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 142 AM EDT TUE JUN 22 2004 ...THE FLASH FLOOD WARNING FOR TRANSYLVANIA COUNTY WILL EXPIRE AT 145 AM EDT... COUNTY OFFICIALS REPORT THAT FLOOD WATERS HAVE RECEDED FOR THE MOST PART IN THE COUNTY. WATER WAS REPORTED TO STILL BE OVER CEDAR LANE ROAD...THOUGH THE WATER LEVEL WAS NOT RISING. EVEN THOUGH THE WARNING WILL BE ALLOWED TO EXPIRE...IT IS POSSIBLE THAT SOME BACK ROADS MAY BE WATER COVERED EARLY THIS MORNING. FLASH FLOODS CAUSE MUD SLIDES AND FELL TREES IN THE MOUNTAINS...AND EVEN THOUGH WATER LEVELS HAVE GONE DOWN...THERE WILL STILL BE MANY ARES WHERE THERE ARE DEBRIS IN THE ROAD. LAT...LON 3522 8290 3505 8303 3517 8258 3542 8272 $$ 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 Jun 21, 10:09 PM EDT, 43 minutes earlier.
Area forecast discussion, Jun 21, 10:09 PM EDT, 43 minutes before
AREA FORECAST DISCUSSION...CORRECTED FOR SPELLING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1009 PM EDT MON JUN 21 2004 .UPDATE... HAVE ISSUED A FLOOD WATCH (FFA) FOR THE WESTERN NC FOOTHILLS FOR TONIGHT. RADAR TRENDS AND CURRENT PATTERN SHOULD YIELD A FEW MORE HOURS OF PERSISTENT LIGHT TO MODERATE RAINFALL. LATEST MODEL DATA CONTINUES TO SHOW THE PRESENCE OF CONVECTIVE QPF UNTIL SUNRISE. HAVE MADE CHANGES TO POP/WX TO SHOW A HIGH AMOUNT OF FAVOR TO THE EASTERN SLOPES...TRENDING NE TOWARD SUNRISE LLVL WEST FLOW INCREASES. && .PREV DISCUSSION... 88D SHOWING A GROWING NUMBER OF SHOWERS AND THUNDERSTORMS OVER THE PAST COUPLE OF HOURS...SOME AREAS SHOWING A TENDENCY TO TRAIN. RUC AND MESOETA DEPICT ISENTROPIC LIFT AND UPSLOPE TO CONTINUE THIS EVENING...REACHING A PEAK AROUND 3Z THEN A SLOW DECREASE THROUGH DAYBREAK. WILL INCREASE POPS TO CATE EAST OF THE FALL LINE...AFTER 6Z CHC WEST TO LIKELY EAST. WITH PROLONGED PERIOD SH/TS GENERATION I EXPECT LOCAL HOURLY RAINFALL RATES OF 1 TO 2 INCHES TO CONTINUE INTO THE EARLY MORNING HOURS. COMBINED WITH GENERAL RAINFALL BELIEVE THAT FLOODING MAY BECOME A GREATER CONCERN OVER PORTIONS OF THE UPSTATE AND THE FTHILLS OF NC. FOR NOW WILL HANDLE POTENTIAL FOR EXCESSIVE RAINFALL WITH FLS AND WILL MONITOR OF THE NEED OF AN FFA. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...FLASH FLOOD WATCH UNTIL 600 AM EDT TUESDAY FOR ZONES NCZ034... NCZ054>055...NCZ066>067. SC...NONE. && NED
Hazardous weather outlook, Jun 21, 5:47 AM EDT, 17 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 547 AM EDT MON JUN 21 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-220947- ABBEVILLE SC-ALEXANDER NC-ANDERSON SC-AVERY NC-BUNCOMBE NC-BURKE NC- CABARRUS NC-CALDWELL NC-CATAWBA NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-DAVIE NC-ELBERT GA-FRANKLIN GA-GASTON NC-GRAHAM NC- GREATER GREENVILLE SC-GREATER OCONEE SC-GREATER PICKENS SC- GREENVILLE MOUNTAINS SC-GREENWOOD SC-HABERSHAM GA-HART GA-HAYWOOD NC- HENDERSON NC-IREDELL NC-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL NC-MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC-POLK NC-RABUN GA-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SPARTANBURG SC-STEPHENS GA- SWAIN NC-TRANSYLVANIA NC-UNION SC-UNION NC-YANCEY NC-YORK SC- 541 AM EDT MON JUN 21 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... NUMEROUS THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT...SOME OF WHICH MAY PRODUCE LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN... SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA FROM TUESDAY THROUGH SUNDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WIND TUESDAY IN NORTH CAROLINA...NORTH AND WEST OF THE CHARLOTTE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. 07
Nearby
Flash Flood Warnings in North Carolina, 2004Every flash flood warning in 2004
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.