Issued at 800 AM EDT Sat Jul 05 2025
000 WTNT33 KNHC 051151 TCPAT3 BULLETIN Tropical Storm Chantal Intermediate Advisory Number 3A NWS National Hurricane Center Miami FL AL032025 800 AM EDT Sat Jul 05 2025 ...DEPRESSION STRENGTHENS TO TROPICAL STORM CHANTAL... ...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF THE CAROLINAS... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...30.9N 79.0W ABOUT 150 MI...240 KM SSE OF CHARLESTON SOUTH CAROLINA ABOUT 240 MI...385 KM SSW OF WILMINGTON NORTH CAROLINA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...N OR 005 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Watch has been upgraded to a Tropical Storm Warning from the South Santee River, SC to Cape Fear, NC. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * South Santee River, SC to Cape Fear, NC A Tropical Storm Watch is in effect for... * Edisto Beach to South Santee River, SC A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 12 hours. Interests elsewhere along the southeast coast of the United States should monitor the progress of Chantal. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 800 AM EDT (1200 UTC), the center of Tropical Storm Chantal was located near latitude 30.9 North, longitude 79.0 West. The storm is moving slowly toward the north near 2 mph (4 km/h). A slow motion toward the north-northwest is expected to begin later today, followed by a turn to the northeast by Sunday night. On the forecast track, the center of Chantal is expected to move across the coast of South Carolina Sunday morning. Maximum sustained winds have increased to near 40 mph (65 km/h) with higher gusts. Some additional strengthening is expected before Chantal reaches the coast. Tropical-storm-force winds extend outward up to 70 miles (115 km) primarily to the east of the center. The estimated minimum central pressure is 1009 mb (29.80 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Chantal can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC. WIND: Tropical storm conditions are expected in the warning area beginning this evening and continuing into Sunday morning. Tropical storm conditions are possible in the watch area beginning later today. RAINFALL: Tropical Storm Chantal is expected to produce heavy rainfall across portions of the coastal plain of the Carolinas today through Monday. Storm total rainfall of 2 to 4 inches, with local amounts to 6 inches, is expected. Resulting in an elevated risk for flash flooding. For a complete depiction of forecast rainfall and flash flooding associated with Tropical Storm Chantal, please see the National Weather Service Storm Total Rainfall Graphic, available at hurricanes.gov/graphics_at3.shtml?rainqpf STORM SURGE: The combination of storm surge and tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... South Santee River, SC to Cape Fear, NC...1-3 ft Edisto Beach, SC to South Santee River, SC...1-2 ft SURF: The tropical storm is expected to bring life-threatening surf and rip currents along the coast from northeastern Florida to the Mid-Atlantic states during the next couple of days. A depiction of rip current risk for the United States can be found at: hurricanes.gov/refresh/graphics_at3+shtml/?ripCurrents NEXT ADVISORY ------------- Next complete advisory at 1100 AM EDT. $$ Forecaster Cangialosi/Konarik
NHC Atlantic