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Tropical Depression Four Public Advisory Number 1
2021-06-28 16:48:02| National Hurricane Center (Atlantic)
Issued at 1100 AM EDT Mon Jun 28 2021 000 WTNT34 KNHC 281447 TCPAT4 BULLETIN Tropical Depression Four Advisory Number 1 NWS National Hurricane Center Miami FL AL042021 1100 AM EDT Mon Jun 28 2021 ...NEW TROPICAL DEPRESSION FORMS OFF THE COAST OF SOUTH CAROLINA... ...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF THE SOUTH CAROLINA COAST... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...31.9N 78.3W ABOUT 145 MI...235 KM ESE OF BEAUFORT SOUTH CAROLINA ABOUT 110 MI...180 KM ESE OF CHARLESTON SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1013 MB...29.92 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Warning has been issued for a portion of the coast of South Carolina from Edisto Beach northeastward to South Santee River. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Edisto Beach to South Santee River South Carolina A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 hours. 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 1100 AM EDT (1500 UTC), the center of Tropical Depression Four was located near latitude 31.9 North, longitude 78.3 West. The depression is moving toward the west-northwest near 16 mph (26 km/h) and this general motion is expected to continue for the next couple of days. On the forecast track, the center of the tropical cyclone should make landfall along coast of South Carolina in the warning area later this evening. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Some slight strengthening is expected today, and the depression is forecast to become a tropical storm before it makes landfall. Rapid weakening is forecast after landfall occurs. The estimated minimum central pressure is 1013 mb (29.92 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Depression Four can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC and on the web at www.hurricanes.gov/graphics_at4.shtml?key_messages. WIND: Tropical storm conditions are expected to first reach the coast within the warning area by late this afternoon, making outside preparations difficult or dangerous. RAINFALL: The depression could produce 1 to 3 inches of rainfall with locally higher amounts along the immediate coasts of Georgia and southern South Carolina. This region has been dry, limiting potential widespread flooding impacts, however, local flooding impacts, especially in urban areas along the southern South Carolina and Georgia coasts, cannot be ruled out at this time. Farther inland, 1 to 2 inches of rainfall is possible across Upstate South Carolina, the Piedmont of Georgia, and into northeastern Alabama. STORM SURGE: The combination of storm surge and the 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... Port Royal Sound, SC to South Santee River, SC...1 to 3 ft Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM EDT. Next complete advisory at 500 PM EDT. $$ Forecaster Stewart
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