####018006591#### WTUS82 KILM 291520 HLSILM NCZ106-108-110-SCZ039-054>056-058-059-292330- Hurricane Idalia Local Statement Advisory Number 12 National Weather Service Wilmington NC AL102023 1120 AM EDT Tue Aug 29 2023 This product covers southeast North Carolina and northeast South Carolina **IDALIA WILL IMPACT THE AREA LATE WEDNESDAY THROUGH THURSDAY** NEW INFORMATION --------------- * CHANGES TO WATCHES AND WARNINGS: - A Tropical Storm Watch has been issued for Central Horry, Coastal Brunswick, Coastal Georgetown, Coastal Horry, Coastal New Hanover, Coastal Pender, Inland Georgetown, Northern Horry, and Williamsburg * CURRENT WATCHES AND WARNINGS: - A Tropical Storm Watch is in effect for Central Horry, Coastal Brunswick, Coastal Georgetown, Coastal Horry, Coastal New Hanover, Coastal Pender, Inland Georgetown, Northern Horry, and Williamsburg * STORM INFORMATION: - About 790 miles southwest of Wilmington NC or about 720 miles south-southwest of Myrtle Beach SC - 24.6N 84.8W - Storm Intensity 85 mph - Movement North or 5 degrees at 14 mph SITUATION OVERVIEW ------------------ Idalia will move up the Carolina coast late Wednesday night into Thursday. The main impact will be heavy rain and localized flooding. Isolated tornadoes will also be possible, closest to the coast. Minimal tropical storm force winds may cause power outages, again closest to the coast where minor storm surge is also possible. POTENTIAL IMPACTS ----------------- * FLOODING RAIN: Prepare for life-threatening rainfall flooding having possible extensive impacts across southeast North Carolina and northeast South Carolina. Potential impacts include: - Major flooding from rainfall may prompt evacuations and numerous rescues. - Rivers and streams may rapidly overflow their banks in multiple places. Creeks and ditches will flood and may contain strong currents. - Flood waters may enter many structures, and some may become uninhabitable. Some road scours or complete road failures will be possible, along with the potential for sinkholes. Many streets and parking lots may flood, and may be impacted by flowing water. Many road and low-lying bridge closures are possible with some weakened or washed away. Driving conditions will be dangerous. - The delivery of drinking water and sewer services may be interrupted. Flood waters may be polluted and contain hazardous materials. * WIND: Prepare for hazardous wind having possible limited impacts across southeast North Carolina and northeast South Carolina. Potential impacts include: - Damage to porches, awnings, carports, sheds, and unanchored mobile homes is possible. Unsecured lightweight objects may be blown about. - Some large limbs may break from trees. A few shallow rooted or weak trees may snap or be knocked down. Some fences and roadway signs damaged. - A few roads may become impassable due to debris, particularly within urban or heavily wooded locations. Hazardous driving conditions are possible, especially for high profile vehicles on bridges and other elevated roadways. - Scattered power and communications outages are possible. * SURGE: Prepare for locally hazardous surge having possible limited impacts across the coast. Potential impacts in this area include: - Localized inundation and minor over-wash is possible, mainly along immediate shorelines and other vulnerable low-lying areas along the coast. Low spots along waterways and tidal creeks may also be impacted. - Some portions of near-shore roads and parking lots may become covered by surge water. Driving conditions may become hazardous in places where the surge covers the road. - Moderate beach erosion is possible, mainly in the vulnerable locations along the ocean front. - Minor damage to marinas, docks, boardwalks, and piers is possible. A few small craft may break away from moorings if not properly secured. - Navigation may be difficult near inlets and waterways, as navigational aids may be off station or missing. * TORNADOES: Prepare for a dangerous tornado event having possible significant impacts across coastal southeast North Carolina and northeast South Carolina. Potential impacts include: - The occurrence of scattered tornadoes can hinder preparedness actions during tropical events. - Tornadoes can rip roofs from homes, destroy mobile homes, cause trees to become snapped or uprooted, flip cars and boats. Dangerous projectiles can add to the damage. - Several places may experience tornado damage with a few spots of considerable damage, power loss, and communications failures. Prepare for a tornado event having possible limited impacts across far inland areas of southeast North Carolina and northeast South Carolina. PRECAUTIONARY/PREPAREDNESS ACTIONS ---------------------------------- * OTHER PREPAREDNESS INFORMATION: Now is the time to check your emergency plan and take necessary actions to secure your home or business. Deliberate efforts should be underway to protect life and property. Ensure that your Emergency Supplies Kit is stocked and ready. When making safety and preparedness decisions, do not focus on the exact forecast track as there are inherent forecast uncertainties which must be taken into account. If you live in a place particularly vulnerable to flooding, such as near the ocean or a large inland lake, in a low lying or poor drainage area, plan to move to safe shelter on higher ground Closely monitor NOAA Weather Radio or other local news outlets for official storm information. Listen for possible changes to the forecast. * ADDITIONAL SOURCES OF INFORMATION: - For information on appropriate preparations see ready.gov - For information on creating an emergency plan see getagameplan.org - For additional disaster preparedness information see redcross.org NEXT UPDATE ----------- The next local statement will be issued by the National Weather Service in Wilmington NC around 5 PM EDT, or sooner if conditions warrant. $$