HLSLWX MDZ017-060000- Hurricane Dorian Local Statement Advisory Number 49 National Weather Service Baltimore MD/Washington DC AL052019 1151 AM EDT Thu Sep 5 2019 This product covers Eastern West Virginia, Central and Western Maryland, Northern and Northwestern Virginia, and District of Columbia **Tropical Storm Warning now in effect for St. Mary`s County Maryland** NEW INFORMATION --------------- * CHANGES TO WATCHES AND WARNINGS: - The Tropical Storm Watch has been upgraded to a Tropical Storm Warning for St. Marys * CURRENT WATCHES AND WARNINGS: - A Tropical Storm Warning is in effect for St. Marys * STORM INFORMATION: - About 460 miles south-southwest of Washington DC or about 490 miles south-southwest of Baltimore MD - 32.5N 79.1W - Storm Intensity 110 mph - Movement North-northeast or 20 degrees at 8 mph SITUATION OVERVIEW ------------------ The center of Hurricane Dorian is expected to pass well southeast of Point Lookout MD Friday afternoon. However, hazardous impacts are expected to extend into Saint Mary`s County and the adjacent waters. Strong winds will spread onshore beginning Friday morning continuing into Friday night. Onshore winds ahead of Dorian are expected to raise water levels along the shores of the Chesapeake Bay and lower tidal Potomac River. Minor tidal flooding is expected in some areas. Moderate tidal flooding of shoreline areas is possible on Saturday. Rainfall will likely reach southern Maryland, but flooding from rainfall is not expected at this time. POTENTIAL IMPACTS ----------------- * WIND: Protect against hazardous wind having possible limited impacts across St. Marys County. Potential impacts in this area include: - Damage to porches, awnings, carports and sheds. Unsecured lightweight objects blown about. - Many large tree limbs broken off. A few trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Some fences and roadway signs blown over. - A few roads impassable from debris, particularly within urban or heavily wooded places. Hazardous driving conditions on bridges and other elevated roadways. - Scattered power and communications outages. Elsewhere across Eastern West Virginia, Central and Western Maryland, Northern and Northwestern Virginia, and District of Columbia, little to no impact is anticipated. PRECAUTIONARY/PREPAREDNESS ACTIONS ---------------------------------- * WATCH/WARNING PHASE - Listen to local official for recommended preparedness actions. * OTHER PREPAREDNESS INFORMATION: Now is the time to complete all preparations to protect life and property in accordance with your emergency plan. Ensure you are in a safe location before the onset of strong winds. Keep cell phones well charged. Cell phone chargers for automobiles can be helpful, but be aware of your risk for deadly carbon monoxide poisoning if your car is left idling in a garage or other poorly ventilated area. 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, consider moving to a safer shelter before the onset of strong winds or flooding. Closely monitor weather.gov, NOAA Weather radio or local news outlets for official storm information. Be ready to adapt to possible changes to the forecast. Ensure you have multiple ways to receive weather warnings. * 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 Baltimore MD/Washington DC around 6 PM EDT, or sooner if conditions warrant. $$ $$