From the National Weather Service:
Jose Local Watch/Warning Statement/Advisory Number 50 National Weather Service TAUNTON MA AL122017 510 PM EDT Sun Sep 17 2017 MAZ022-180515- /O.NEW.KBOX.TR.A.1012.170917T2110Z-000000T0000Z/ Barnstable MA- 510 PM EDT Sun Sep 17 2017 ...TROPICAL STORM WATCH IN EFFECT... A Tropical Storm Watch means Tropical storm wind conditions are possible somewhere within this area and within the next 48 hours * LOCATIONS AFFECTED - Chatham - Falmouth - Provincetown * WIND - LATEST LOCAL FORECAST: Equivalent Tropical Storm force wind - Peak Wind Forecast: 30-40 mph with gusts to 50 mph - Window for Tropical Storm force winds: early Wednesday morning until early Thursday morning - CURRENT THREAT TO LIFE AND PROPERTY: Moderate - Emergency planning should include a reasonable threat for strong tropical storm force wind of 58 to 73 mph. - To be safe, earnestly prepare for the potential of significant wind impacts. Efforts should now be underway to secure all properties. - Dangerous wind is possible. Failure to adequately shelter may result in injury. - POTENTIAL IMPACTS: Significant - Some damage to roofing and siding materials, along with damage to porches, awnings, carports, and sheds. A few buildings experiencing window, door, and garage door failures. Mobile homes damaged, especially if unanchored. Unsecured lightweight objects become dangerous projectiles. - Several large trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Several fences and roadway signs blown over. - Some roads impassable from large debris, and more within urban or heavily wooded places. A few bridges, causeways, and access routes impassable. - Scattered power and communications outages, but more prevalent in areas with above ground lines. * STORM SURGE - LATEST LOCAL FORECAST: Not available at this time. To be updated shortly. - Threat to Life and Property: Not available at this time. To be updated shortly. - POTENTIAL IMPACTS: Not available at this time. To be updated shortly. * FLOODING RAIN - LATEST LOCAL FORECAST: - Peak Rainfall Amounts: 2-4 inches, with locally higher amounts - CURRENT THREAT TO LIFE AND PROPERTY: Elevated - Emergency planning should include a reasonable threat for minor flooding where peak rainfall totals are near amounts conducive for localized flash flooding and rapid inundation. - To be safe, prepare for the potential of limited flooding rain impacts. - Localized flooding is possible. If flood related watches and warnings are issued, heed recommended actions. - POTENTIAL IMPACTS: Limited - Localized rainfall flooding may prompt a few evacuations. - Rivers and tributaries may quickly rise with swifter currents. Small streams, creeks, canals, arroyos, and ditches may become swollen and overflow in spots. - Flood waters can enter a few structures, especially in usually vulnerable spots. A few places where rapid ponding of water occurs at underpasses, low-lying spots, and poor drainage areas. Several storm drains and retention ponds become near-full and begin to overflow. Some brief road and bridge closures. * TORNADO - LATEST LOCAL FORECAST: - Situation is unfavorable for tornadoes - CURRENT THREAT TO LIFE AND PROPERTY: None - Emergency planning need not include a threat for tornadoes. Showers and thunderstorms with strong gusty winds may still occur. - Little to no preparations needed to guard against tropical tornadoes. - Ensure readiness for the next tropical tornado event. - POTENTIAL IMPACTS: Little to None - Little to no potential impacts from tornadoes.