Alert archive / North Carolina / Flash Flood Warnings in 2005
Flash Flood Warning 54, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 13, 2005, 1:33 PM EDT for Transylvania County, North Carolina. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 13, 2005, 1:33 PM EDT (17:33 UTC)
- Expired
- Jul 13, 2005, 4:30 PM 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), 65 km from the middle of the area, began a volume at 17:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 2:00 PM EDT | FLASH FLOOD | Rosman, NC | COUNTY COMMS CENTER REPORTED THAT LOTS OF FLASH FLOOD PROBLEMS ONGOING AROUND THE GENERAL AREA OF LAKE TOXAWAY AND ROSMAN WITH NO TIME FOR DETAILS. |
| Jul 13, 3:00 PM EDT | FLASH FLOOD | Rosman, NC | COUNTY REPORTS SEVERAL STREETS...INCLUDING MAIN STREET...CLOSED IN AND AROUND ROSMAN DUE TO FLOODING. SOME WATER IS INTO BUILDINGS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this flash flood warning; the first came 27 minutes after it went out.
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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.6 hours before the alert went out and 283 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
- 570 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KGSP 131735 FFWGSP NCC175-132030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 133 PM EDT WED JUL 13 2005 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA * UNTIL 430 PM EDT * AT 132 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER THE WARNED AREA... MOVING VERY SLOWLY EAST. ADDITIONAL THUNDERSTORMS WERE DEVELOPING UPSTREAM. URBAN FLOODING IS ALREADY OCCURRING IN THE AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSMAN... LAKE TOXAWAY AND BREVARD. 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. LAT...LON 3505 8298 3516 8254 3539 8274 3527 8290 $$ 07
2 follow-up statements
000 WGUS72 KGSP 131850 FFSGSP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 247 PM EDT WED JUL 13 2005 NCC175-132030- TRANSYLVANIA NC- 247 PM EDT WED JUL 13 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 430 PM EDT FOR TRANSYLVANIA COUNTY... AT 243 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS HAD MOVED OUT OF THE WARNED AREA. OVER FOUR INCHES OF RAIN OCCURRED IN THE SOUTHWEST PORTION OF THE COUNTY. RUNOFF IS EXPECTED TO CONTINUE...CAUSING STREAMS AND CREEKS TO CONTINUE TO RISE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSMAN. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3505 8298 3516 8254 3539 8274 3527 8290 $$ 07
000 WGUS72 KGSP 132027 FFSGSP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 426 PM EDT WED JUL 13 2005 NCC175-132035- TRANSYLVANIA NC- 426 PM EDT WED JUL 13 2005 ...THE FLASH FLOOD WARNING FOR TRANSYLVANIA COUNTY EXPIRES AT 430 PM EDT... THE THUNDERSTORMS THAT PRODUCED HEAVY RAINFALL ACROSS TRANSYLVANIA COUNTY HAVE DISSIPATED OR MOVED EAST OF THE AREA. COUNTY OFFICIALS REPORT THAT EARLIER FLOOD CONDITIONS HAVE IMPROVED SOMEWHAT. BE ADVISED THAT HIGH WATER CONDITIONS COULD STILL EXIST IN SOME LOCATIONS. HOWEVER...NO ADDITIONAL FLOODING IS EXPECTED TO DEVELOP. LAT...LON 3505 8298 3516 8254 3539 8274 3527 8290 $$ JAT/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 Jul 13, 10:51 AM EDT, 2 hours 42 minutes earlier.
Area forecast discussion, Jul 13, 10:51 AM EDT, 2 hours 42 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1051 AM EDT WED JUL 13 2005 .SHORT TERM (REST OF TODAY)... VISIBLE SATELLITE CURRENTLY SHOWING CLOUD TOPS ENHANCING OVER EASTERN TN WITH WIDESPREAD CLOUD COVER SPREADING INTO THE NC MTNS. SKY OVER THE FOOTHILLS AND PIEDMONT REMAIN SCT...WITH A FEW LARGER PATCHES OVER THE I-77 CORRIDOR ABOUT TO EXIT THE FA. EXPECT THAT TEMPERATURES WILL STEADILY RISE THROUGH EARLY AFTERNOON...REACHING AS HIGH AS THE LOWER 90S OVER THE SRN NC PIEDMONT. WITH DWPTS IN THE U60S TO L70S...SREF INDICATES THAT CAPES SHOULD RANGE FROM 1500-2000 J/KG THIS AFTERNOON. RADAR TRENDS AND NAM SHOW THAT CURRENT BAND OF CONVECTION OVER TN WILL SLOWLY SLIDE INTO THE NC MTNS EARLY THE AFTERNOON. HOWEVER...FORCING LATER IN THE DAY WILL REMAIN NORTH AND WEST OF THE FA. COVERAGE WILL CERTAINLY BE THE HIGHEST OVER THE MTNS...BUT WITH ONLY INSTABILITY TO PRESERVE ACTIVITY...EXPECT ONLY SCT COVERAGE EAST. WILL ADJUST TIMING OF PRECIP IN THE GRIDS TO REFLECT LATEST THINKING. THE DELAY IN CLOUDS AND SH/TS WILL ALLOW THE EASTERN PORTIONS TO WARM OVER CURRENT VALUES...ADJUSTMENTS MADE. && .PREVIOUS DISCUSSION... (ISSUED 318 AM EDT WED JUL 13 2005) SHORT TERM (TODAY THROUGH SATURDAY)... NOT A WHOLE LOT OF CHANGE TO PREVIOUS THINKING AS MODELS CONTINUE TO SHOW LOW PRESSURE MEANDERING AROUND THE LOWER OH VALLEY...SUGGESTING PERSISTENCE IS NOT A BAD FORECAST FOR AT LEAST THE NEXT FEW DAYS. IN THE VERY SHORT TERM...BAND OF PRECIP SEEN OVER MIDDLE TN MIGHT REACH THE NC BORDER AROUND SUNRISE OR THEREABOUTS BEFORE IT STARTS TO DISSIPATE...SO A LIKELY POP WILL BE CARRIED STARTING FIRST THING THIS MORNING OVER THE WRN ZONES. MODELS SHOW SPOKE OF VORTICITY ROTATING ACROSS THE FORECAST AREA LATER TODAY...WHICH SHOULD BE SUFFICIENT TO TRIGGER A SHOWER OR THUNDERSTORM MOST ANYWHERE IN THIS VERY MOIST AIR MASS. GIVEN THAT WE ESSENTIALLY HAD 60-70 PERCENT COVERAGE YESTERDAY WITH LESS FORCING...THINK THE LIKELY POP INDICATED BY THE GUIDANCE SHOULD WORK OUT FINE...BUT MAYBE NOT UNTIL VERY LATE IN THE DAY OR THIS EVENING OVER THE EASTERN ZONES. WILL MAKE SOME UPWARD ADJUSTMENTS OVER THE EAST TO ACCOMMODATE THIS THINKING. AS FOR SEVERE WEATHER CHANCES...WE ARE LESS UNSTABLE TODAY WITH LESS MID LEVEL DRY AIR...BUT CANNOT RULE OUT A FEW STRONG STORMS CAPABLE OF PRODUCING WIND DAMAGE. THURSDAY SHOULD BE A REPEAT PERFORMANCE WITH ANOTHER WEAK UPPER VORT EXPECTED TO ROTATE ACROSS THE WESTERN CAROLINAS. BEYOND THURSDAY...CONFIDENCE IN THE DETAILS SHOWN BY MODEL GUIDANCE DWINDLES...BUT EXPECT THE CHANCE OF MAINLY DIURNAL CONVECTION TO CONTINUE FRIDAY AND SATURDAY. ONLY MINOR CHANGES WERE MADE TO THE TEMP FORECAST THROUGHOUT BASED ON TRENDS IN MAV GUIDANCE. LONG TERM (SATURDAY NIGHT THROUGH TUESDAY)... A PEEK AT THE NEW GFS OUT IN THE MEDIUM RANGE SHOWS THE ATLANTIC SUBTROPICAL RIDGE FINALLY NOSING IN FROM THE EAST OVER THE WEEKEND...WITH THE CENTER OF THE UPPER ANTICYCLONE TAKING UP RESIDENCE OVER THE SOUTHEAST ON SUNDAY. THIS SHOULD BRING US BACK TO CLIMATOLOGY ON THE PRECIP CHANCES. NO CHANGES WILL BE MADE AT THIS TIME. AVIATION... MOSTLY A MIX OF HIGHER LEVEL CLOUDINESS FOR THE LATE HOURS ACRS THE TERMINALS...BUT WILL CONTINUE WITH A THREAT FOR A PERIOD OF MVFR CIGS AND/OR VSBYS DURING THE PRE-DAWN HOURS AND LASTING FOR A FEW HOURS AFTER SUNRISE. ENERGY TRANSLATING IN FROM THE WEST IN COMBINATION WITH DAYTIME HEATING SHOULD AGAIN RESULT IN DECENT DEEP CONVECTIVE CVRG...PERHAPS AS EARLY AS NOON AT KAVL AND MID TO LATE AFTERNOON ELSEWHERE. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM...NED
Hazardous weather outlook, Jul 13, 6:04 AM EDT, 7 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 604 AM EDT WED JUL 13 2005 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082- SCZ001>014-019-141015- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL- ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD- BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON- MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD- CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD- 604 AM EDT WED JUL 13 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR UPSTATE SOUTH CAROLINA... MUCH OF WESTERN NORTH CAROLINA... AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL DEVELOP AGAIN TODAY AND TONIGHT. A FEW OF THE STRONGER STORMS COULD PRODUCE DAMAGING WIND GUSTS...MAINLY OVER THE FOOTHILLS AND PIEDMONT. FLASH FLOODING REMAINS WITHIN THE REALM OF POSSIBILITIES OWING TO DEEP TROPICAL MOISTURE ACROSS THE REGION AND ELEVATED STREAM AND RIVER LEVELS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A CHANCE OF MAINLY AFTERNOON AND EVENING THUNDERSTORMS WILL CONTINUE EACH DAY THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. MOORE
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 4:39 PM EDT | Flash Flood Warning | GSP | Lincoln | 3 hr |
Nearby
Flash Flood Warnings in North Carolina, 2005Every flash flood warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.