Het weer voor Piedmont Dam

Flood Watch issued September 25 at 11:17AM EDT until September 27 at 2:00PM EDT by NWS Greenville-Spartanburg SC* WHAT...Flash flooding caused by excessive rainfall possible.* WHERE...Portions of northeast Georgia, including the followingareas, Elbert and Hart, western North Carolina, including thefollowing areas, Eastern McDowell, Eastern Polk, Greater Burke,Greater Caldwell and Greater Rutherford, and upstate SouthCarolina, including the following areas, Anderson, CentralGreenville, Northern Spartanburg and Southern Greenville.* WHEN...Through Friday afternoon.* IMPACTS...Excessive runoff may result in significant and damagingflooding of rivers, creeks, streams, and other low-lying andflood-prone locations. Areas that are not typically impacted byfloodwaters may flood.* ADDITIONAL DETAILS...- Multiple rounds of heavy rainfall are expected due to theinteraction of tropical moisture along a stationary front,followed by the passage of Tropical Storm Helene. Storm-totalrainfall of 5-9 inches is expected across the Piedmont andlower elevations of the foothills. This has the potential tobe an extremely rare event with significant and damagingflash-flooding along numerous streams possible.- http://www.weather.gov/safety/floodA Flood Watch for flash flooding means there is a potential forrapid onset flooding based on current forecasts. Flash flooding is avery dangerous situation and may impact areas that do not typicallyflood. Please monitor the latest forecasts and be prepared to takeaction quickly should Flash Flood Warnings be issued.

National Weather Service

Flood Warning issued September 25 at 4:33PM EDT until September 29 at 2:00AM EDT by NWS Greenville-Spartanburg SC...The National Weather Service in Greenville-Spartanburg SC hasissued a Flood Warning for the Saluda River in South Carolina...Above Old Easley Rd, 5 W Greenville affecting Greenville andPickens Counties.At West Pelzer affecting Greenville and Anderson Counties..Two unique rounds of rainfall, one beginning tonight and lastingthrough early Thursday afternoon resulting from tropical moistureinteracting with a stationary front, and another beginning Thursdaynight and lasting through Friday morning associated with HurricaneHelene, are expected to result in considerable to catastrophicModerate to Major flooding across the upper Saluda River Valley.This flooding has the potential to be the worst flooding observed inthe modern era, exceeding even the flooding which occurred onFebruary 6-7, 2020.This flooding may shutdown several roadways. especially abovePiedmont Dam to the Saluda River headwaters above Saluda Lake. Afew roadways may experience strong and damaging streamflows,possibly causing damage to roadway infrastructure including culvertsand bridges. Several structures, including homes and businesses,are likely to be inundated as a result of Major flooding. A fewstructures may become uninhabitable and some structures may becomecompletely destroyed due to ruinous flooding.There is a potential for crests to exceed the current forecastcrests. Confidence in significant rainfall is high, but smallreductions or increases in storm-total rainfall may result innotable changes to the forecast crests. It is absolutely imperativethat you maintain awareness of the latest forecasts and plan NOW torespond to the worst-case scenario for your area.* WHAT...Moderate flooding is forecast.* WHERE...Saluda River at West Pelzer.* WHEN...From Friday morning to early Sunday morning.* IMPACTS...At 16.3 feet, Moderate flooding begins. First floor ofthe lowest house in the Pelzer Mills area where Lyman and AdgerStreets come together may be flooded.* ADDITIONAL DETAILS...- At 3:00 PM EDT Wednesday the stage was 5.5 feet and nearlysteady.- Action/Advisory Stage is 9.0 feet.- Forecast...The river is expected to rise above Minor FloodStage late Friday morning to Moderate Flood Stage and a crestof 16.0 feet early Saturday morning. It will then fall belowMinor Flood Stage Saturday evening.NOTE: There is the potential for the crest to approach 17feet.- Minor Flood Stage is 12.0 feet.Moderate Flood Stage is 16.0 feet.Major Flood Stage is 20.0 feet.- Flood History...This crest compares to a previous crest of15.0 feet on 04/07/1936. This flood has the potential to bethe most significant in the modern era. The Saluda Riverreached 13.36 feet on February 7, 2020, which is the mostsignificant flood this century.- Http://www.weather.gov/safety/floodThis is an incredibly dangerous situation. Rainfall and resultantflooding has the potential to be a once-in-a-lifetime event,especially upstream of Piedmont, SC. If you live or own a businessadjacent to the Saluda River, assume floodwaters WILL impact yourstructures and take precautions to protect property now. Have aplan in place to seek higher ground before the heavy rain begins.Consider temporarily relocating to another location if you livealong the Saluda River.Turn around, don't drown when encountering flooded roads. Most flooddeaths occur in vehicles.To escape rising water, take the shortest path to higher ground.This warning will be in effect until the river falls below itsAction/Advisory Stage.When it is safe to do so, please report flooding or landslidesthreatening roads or property to the National Weather ServiceGreenville-Spartanburg by calling toll free, 1, 800, 2 6 7, 8 1 0 1,by posting on our Facebook page, or via X using hashtag NWSGSP. Yourmessage should describe the specific location where impacts occurredand the depth of flooding observed.For detailed information including observed and forecast stages,flood impacts, flood history, FEMA Flood Hazard Layers, and more,please visit: https://water.noaa.gov/wfo/GSPThe next statement will be issued before Saturday evening at 800 PMEDT.

National Weather Service

Tropical Storm Warning issued September 25 at 5:06PM EDT by NWS Greenville-Spartanburg SCA Tropical Storm Warning means tropical storm-force winds areexpected somewhere within this area within the next 36 hours* LOCATIONS AFFECTED- Anderson* WIND- LATEST LOCAL FORECAST: Tropical storm force winds remainpossible- Peak Wind Forecast: 20-30 mph with gusts to 50 mph- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECASTUNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for wind 39to 57 mph- The wind threat has remained nearly steady from theprevious assessment.- PLAN: Plan for hazardous wind of equivalent tropical stormforce.- PREPARE: Efforts to protect property should now beunderway. Prepare for limited wind damage.- ACT: Act now to complete preparations before the windbecomes hazardous.- POTENTIAL IMPACTS: Limited- Damage to porches, awnings, carports, sheds, and unanchoredmobile homes. Unsecured lightweight objects blown about.- Many large tree limbs broken off. A few trees snapped oruprooted, but with greater numbers in places where treesare shallow rooted. Some fences and roadway signs blownover.- A few roads impassable from debris, particularly withinurban or heavily wooded places. Hazardous drivingconditions on bridges and other elevated roadways.- Scattered power and communications outages.* FLOODING RAIN- LATEST LOCAL FORECAST: Flood Watch is in effect- Peak Rainfall Amounts: Additional 6-10 inches, with locallyhigher amounts- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECASTUNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for majorflooding rain- The flooding rain threat has remained nearly steady fromthe previous assessment.- PLAN: Emergency plans should include the potential formajor flooding from heavy rain. Evacuations and rescues arelikely.- PREPARE: Strongly consider protective actions, especiallyif you are in an area vulnerable to flooding.- ACT: Heed any flood watches and warnings. Failure to takeaction will likely result in serious injury or loss of life.- POTENTIAL IMPACTS: Extensive- Major rainfall flooding may prompt many evacuations andrescues.- Rivers and tributaries may rapidly overflow their banks inmultiple places. Small streams, creeks, canals, arroyos,and ditches may become dangerous rivers. In mountain areas,destructive runoff may run quickly down valleys whileincreasing susceptibility to rockslides and mudslides.Flood control systems and barriers may become stressed.- Flood waters can enter many structures within multiplecommunities, some structures becoming uninhabitable orwashed away. Many places where flood waters may coverescape routes. Streets and parking lots become rivers ofmoving water with underpasses submerged. Driving conditionsbecome dangerous. Many road and bridge closures with someweakened or washed out.* TORNADO- LATEST LOCAL FORECAST:- Situation is somewhat favorable for tornadoes- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECASTUNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for a fewtornadoes- The tornado threat has remained nearly steady from theprevious assessment.- PLAN: Emergency plans should include the potential for afew tornadoes.- PREPARE: If your shelter is particularly vulnerable totornadoes, prepare to relocate to safe shelter beforehazardous weather arrives.- ACT: If a tornado warning is issued, be ready to shelterquickly.- POTENTIAL IMPACTS: Limited- The occurrence of isolated tornadoes can hinder theexecution of emergency plans during tropical events.- A few places may experience tornado damage, along withpower and communications disruptions.- Locations could realize roofs peeled off buildings,chimneys toppled, mobile homes pushed off foundations oroverturned, large tree tops and branches snapped off,shallow-rooted trees knocked over, moving vehicles blownoff roads, and small boats pulled from moorings.* FOR MORE INFORMATION:- http://scemd.org/planandprepare

National Weather Service