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003 NOUS41 KBOX 202237 PNSBOX CTZ002>004-MAZ002>024-026-RIZ001>008-211430- Public Information Statement National Weather Service Taunton MA 637 PM EDT Thu Jul 20 2017 ...Hurricane Preparedness Week in Southern New England... ...Rules of Thumb for southern New England Hurricanes - Part 4... The National Weather Service has declared this week as hurricane preparedness week in southern New England. The following is the fourth in a series of five statements. Another rule of thumb for New England hurricanes is to know that the most significant threat from hurricanes is flooding, either due to coastal inundation or heavy rainfall. In both cases, it is best to leave areas prone to flooding and seek shelter in structures which can withstand the wind. This is also a good idea for those in areas which may not flood themselves, but become isolated asall access points into that area are closed. Along a coastline, the main threat is the storm surge. The storm surge is simply water from the ocean pushed toward shore by the wind. Besides the intensity and speed of a tropical system, the arrival time and slope of the ocean bottom play a large role in determining the severity of a storm surge. A storm surge arriving during the peak of a high tide will be different than the same storm surge arriving during a low tide. Areas with a steep coastline will not experience as much storm surge as areas with a more shallow coast. Beginning with the 2017 Hurricane Season, the National Weather Service will issue storm surge watches and warnings to highlight areas along the Gulf and Atlantic coasts of the continental United States that have significant risk of life-threatening inundation from a tropical cylone, subtropical cyclone, post tropical cyclone, or a potenital tropical cyclone. Storm surge is often the greatest threat to life and property from a tropical cyclone, and it doesn`t always occur at the same times or locations as a storm`s hazardous winds. In addition, while in most cases coastsal residents can remain in their homes (or in a secure structure nearby) and be safe from a tropical cyclone`s winds, evacuations are generally needed to keep people safe from storm surge. Having separate warnings for these two hazards will save lives by better identifying the specific tropical cyclone hazards communities face, and by enhancing public response to instructions from local officials. The storm surge watch/warning areas are determined by a collaborative process between the National Hurricane Center and local NWS Weather Forecast Offices. Issued for the danger of life-threatening inundation from rising water moving inland from the shoreline somewhere within the specified area, generally within 36 hours, in association with an ongoing or potential tropical cyclone, a subtropical cyclone, or a post-tropical cyclone. The warning may be issued earlier when other conditions, such as the onset of tropical storm-force winds, are expected to limit the time available to take protective actions for surge (e.g., evacuations). The warning may also issued for locations not expected to receive life- threatening inundation, but which could potentially be isolated by inundation in adjacent areas. For more information on the new storm surge watches and warnings please visit www.nhc.noaa.gov $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston

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