8/15/2023 0 Comments Boston forecastThose who have outdoor plans schedule tomorrow afternoon should monitor conditions and have a plan to seek shelter inside if they hear thunder. Can't rule out some smaller hail stones with the cold pool(a region of relatively cold air) aloft from the mid-level low, though the positioning may be a little too far to the west. Greatest concerns with these storms would be damaging straight-line winds and frequent lightning. As you can imagine, Wednesday is not a blockbuster severe weather day, but there are enough parameters to justify a couple strong to severe storms. But, with sufficient CAPE, we may be able to overcome the lower shear. The surface to 6km shear is not as impressive at ~30 knots. Never the less, low level lapse rates remain steep enough at 8 to 8.5 c/km, though the mid-level lapse rates are less impressive around 6 to 6.5 c/km. Do think the stronger storms will be confined to the west part of our CWA.įorecast soundings indicate CAPE values between 8 J/kg not out of the question we may experience higher values if we are able hold onto the sunshine during the late morning. Latest 12z CAMs do show initiation across eastern New York between 11am and 1 PM, then entering western Connecticut and Massachusetts between 1pm and 3 PM. What has changed since the previous update, much of southern New England has been placed under a marginal risk for severe weather (about 5% chance for severe winds). As advertised, we are expecting storms to develop during the afternoon, from west to east, after 18z/2 PM. Any clearing will be short-lived as high & mid clouds do return ahead of an approaching surface low pressure system. Wednesday: A quiet morning across southern New England with some linger areas of fog, but do anticipate that to lift quickly and reveal a mixture of sun & clouds. * Showers and a few strong to severe thunderstorms Wednesday afternoon, temperatures are seasonably warm with highs 75 to 80 degrees. Short Term - 6am Wednesday Morning Through Wednesday Night Fog and low status likely burn off quickly after sunrise with temps recovering quickly with the strong June sun angle. This will allow overnight temps to remain warmer in the upper 50s for eastern MA and RI, while Western MA and CT likely see lows drop into the low 50s. Meanwhile the western half of the region could see some clearing overnight. This will allow low status and fog to redevelop over the eastern half of the region. Overnight, the surface low begins to push east of the region shifting the winds to the NE then NW. Any precipitation likely remains more drizzle then rain. With the forcing of the surface low, some of the hi-res CAMS have some showers forming over eastern MA and RI, however, with the dry slot in the mid levels, any showers that try to form will get cut off at 700mb. Areas inland have started to see pockets of sunshine with the strong June sun angle able to burn off some of the low clouds and fog. Latest surface analysis shows a low over central MA which is brining easterly on shore flow helping keep low clouds and fog near the eastern coasts. ![]() Seasonable temperatures are anticipated with a tendency for cooler than normal weather for early next week. Our weather pattern then turns more unsettled for late in the week through the weekend with scattered showers and thundershowers during the daytime hours, with somewhat more coverage Friday and Saturday afternoons. Thunderstorms develop tomorrow afternoon, some of which may be severe. fog and low clouds clear early tomorrow morning giving away to mostly sunny skies. Low clouds and fog move back in overnight for the eastern half of the region, while western areas could clear out. National Weather Service Boston/Norton MA Individual Wave Heights May Be More Than Twice The Significant Wave Height. Seas Are Reported As Significant Wave Height, Which Is The Average Of The Highest Third Of The Waves. Winds And Waves Higher In And Near Tstms. Showers Likely.įri Night.S Winds 5 To 10 Kt. Waves 1 Foot Or Less.įri.Sw Winds 5 To 10 Kt, Becoming S In The Afternoon. Some Tstms May Produce Gusty Winds And Frequent Lightning. Wed.S Winds Around 5 Kt, Becoming Se 10 To 15 Kt In The Afternoon. Tonight.Ne Winds 5 To 10 Kt, Becoming Nw After Midnight. ![]() ![]() ANZ230 Forecast Issued: 701 PM EDT Tue Jun 13 2023
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