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Tropical Cyclone Statement issued September 24 at 5:12PM EDT by NWS Jacksonville FL HLSJAX This product covers Northeast Florida and Southeast Georgia **MAJOR HURRICANE LANDFALL FORECAST ALONG THE FLORIDA BIG BEND ON THURSDAY** NEW INFORMATION --------------- * CHANGES TO WATCHES AND WARNINGS: - A Hurricane Watch has been issued for Clinch, Eastern Hamilton, Echols, Northern Columbia, and Southeastern Columbia - A Tropical Storm Watch has been issued for Appling, Atkinson, Bacon, Baker, Bradford, Brantley, Coastal Camden, Coastal Duval, Coastal Flagler, Coastal Glynn, Coastal Nassau, Coastal St. Johns, Coffee, Eastern Alachua, Eastern Clay, Eastern Putnam, Inland Camden, Inland Flagler, Inland Glynn, Inland Nassau, Inland St. Johns, Jeff Davis, Northeastern Charlton, Northern Ware, Pierce, South Central Duval, Southern Ware, Trout River, Union, Wayne, Western Charlton, Western Clay, Western Duval, and Western Putnam * CURRENT WATCHES AND WARNINGS: - A Hurricane Watch is in effect for Clinch, Eastern Hamilton, Echols, Gilchrist, Northern Columbia, Southeastern Columbia, Southwestern Columbia, Suwannee, Western Alachua, Western Hamilton, and Western Marion - A Tropical Storm Watch is in effect for Appling, Atkinson, Bacon, Baker, Bradford, Brantley, Central Marion, Coastal Camden, Coastal Duval, Coastal Flagler, Coastal Glynn, Coastal Nassau, Coastal St. Johns, Coffee, Eastern Alachua, Eastern Clay, Eastern Marion, Eastern Putnam, Inland Camden, Inland Flagler, Inland Glynn, Inland Nassau, Inland St. Johns, Jeff Davis, Northeastern Charlton, Northern Ware, Pierce, South Central Duval, Southern Ware, Trout River, Union, Wayne, Western Charlton, Western Clay, Western Duval, and Western Putnam * STORM INFORMATION: - About 760 miles south-southwest of Jacksonville FL - 19.7N 84.7W - Storm Intensity 50 mph - Movement West-northwest or 300 degrees at 12 mph SITUATION OVERVIEW ------------------ Tropical Storm Helene is expected to strengthen as it moves north northeast through the Gulf over the next few days, before making landfall around the Big Bend region of Florida late Thursday. The storm will then track north across the Florida panhandle, into southern Georgia Thursday night. Rainfall amounts of 3 to 6 inches, with locally higher amounts of about 8 inches, are expected across the I-75 corridor into inland southeast Georgia, with slightly lesser amounts expected further east. Flash flooding will be possible especially for areas along the I-75 corridor. Tropical storm winds are expected to reach north central Florida Thursday morning, then overspread much of the area during the day Thursday through Thursday night. Hurricane force winds will be possible along the I-75 corridor of northeast Florida and into southeast Georgia Thursday afternoon into Thursday night. Storm surge inundation of 1 to 3 feet along the northeast Florida and southeast Georgia Atlantic coast and in the St Johns river basin. This anticipated to be a very large system with impacts expected to extend far from the center. POTENTIAL IMPACTS ----------------- * WIND: Prepare for life-threatening wind having possible extensive impacts across inland NE FL and SE GA along the I-75 corridor. Potential impacts in this area include: - Considerable roof damage to sturdy buildings, with some having window, door, and garage door failures leading to structural damage. Mobile homes severely damaged, with some destroyed. Damage accentuated by airborne projectiles. Locations may be uninhabitable for weeks. - Many large trees snapped or uprooted along with fences and roadway signs blown over. - Some roads impassable from large debris, and more within urban or heavily wooded places. Several bridges, causeways, and access routes impassable. - Large areas with power and communications outages. Also, prepare for dangerous wind having possible limited to significant impacts across the remainder of northeast FL and southeast GA. * FLOODING RAIN: Prepare for life-threatening rainfall flooding having possible extensive impacts across northeast FL and southeast GA. Potential impacts include: - Major rainfall flooding may prompt many evacuations and rescues. - Rivers and tributaries may rapidly overflow their banks in multiple places. Small streams, creeks, canals, and ditches may become dangerous rivers. Flood control systems and barriers may become stressed. - Flood waters can enter many structures within multiple communities, some structures becoming uninhabitable or washed away. Many places where flood waters may cover escape routes. Streets and parking lots become rivers of moving water with underpasses submerged. Driving conditions become dangerous. Many road and bridge closures with some weakened or washed out. * SURGE: Prepare for locally hazardous surge having possible limited impacts across coastal Florida and Georgia and the St. Johns River. Potential impacts in this area include: - Localized inundation with storm surge flooding mainly along immediate shorelines and in low-lying spots, or in areas farther inland near where higher surge waters move ashore. - Sections of near-shore roads and parking lots become overspread with surge water. Driving conditions dangerous in places where surge water covers the road. - Moderate beach erosion. Heavy surf also breaching dunes, mainly in usually vulnerable locations. Strong rip currents. - Minor to locally moderate damage to marinas, docks, boardwalks, and piers. A few small craft broken away from moorings. * TORNADOES: Prepare for a tornado event having possible limited impacts across Northeast Florida and Southeast Georgia. Potential impacts include: - The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. - A few places may experience tornado damage, along with power and communications disruptions. - Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings. PRECAUTIONARY/PREPAREDNESS ACTIONS ---------------------------------- * EVACUATIONS: Follow the advice of local officials. * OTHER PREPAREDNESS INFORMATION: Now is the time to check your emergency plan and emergency supplies kit and take necessary actions to protect your family and secure your home or business. When making safety and preparedness decisions, do not focus on the exact forecast track since hazards such as flooding rain, damaging wind gusts, storm surge, and tornadoes extend well away from the center of the storm. If in a place that is vulnerable to high wind, such as near large trees, a manufactured home, upper floors of a high-rise building, or on a boat, plan to move to safe shelter. 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, in a valley, or near an already swollen river, plan to move to safe shelter on higher ground. Always heed the advice of local officials and comply with orders that are issued. Do not needlessly jeopardize your life or the lives of others. When securing your property, outside preparations should be concluded as soon as possible before conditions deteriorate. The onset of strong gusty winds or flooding can cause certain preparedness activities to become unsafe. Be sure to let friends and family members know of your intentions for weathering the storm and your whereabouts. Have someone located away from the threatened area serve as your point of contact. Share vital contact information with others. Keep cell phones handy and charged. Check on those who may not be fully aware of the situation or who are unable to make personal preparations. If you are a visitor, know the name of the county or parish in which you are located and where it is relative to current watches and warnings. If staying at a hotel, ask the management staff about their onsite disaster plan. Listen for evacuation orders, especially pertaining to area visitors. Closely monitor weather.gov, NOAA Weather Radio and local news outlets for official storm information. Listen for possible changes to the forecast. There is a threat from tornadoes with this storm. Have multiple ways to receive Tornado Warnings. Be ready to shelter quickly. * 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 Jacksonville FL around 1130 PM EDT, or sooner if conditions warrant.