textproduct: Boston / Norton
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
WHAT HAS CHANGED
No significant changes to the forecast. High confidence in near record high temperatures Tuesday.
KEY MESSAGES
- Area of fog quickly dissipate by mid-Tue morning. Otherwise... sunshine returns Tue with near record highs in the upper 60s to lower 70s away from the immediate coast.
- A more unsettled/active weather pattern Wed/Thu, with a round or two of precipitation. Back to cool temperatures later Thu into Friday.
- With dew points in the 30s and 40s, along with minor precip events, expecting a controlled/diurnal snowmelt over the coming week. Hence, only minor river flooding possible.
AVIATION /18Z MONDAY THROUGH SATURDAY/
Forecaster Confidence Levels...
Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.
18z TAF Update: High confidence.
IFR/LIFR in fog should return quickly to Cape Cod and the Islands by this evening and persist overnight. Elsewhere we expect another night of patchy valley fog with more brief IFR conditions. VFR Tue with S/SW flow. Conditions should improve quickly Tue morning near Cape Cod and Islands.
Other concern is for a period of LLWS in central/eastern MA and RI early tonight as SW winds at 2000 ft increase to 35-40kt.
KBOS Terminal...High confidence in TAF.
KBDL Terminal...High confidence in TAF.
Outlook /Tuesday Night through Saturday/...
Wednesday: Mainly VFR, with local MVFR possible. Breezy. Chance RA.
Wednesday Night: Mainly VFR, with local IFR possible. Breezy. Chance RA.
Thursday: Mainly VFR, with local MVFR possible. Windy with local gusts up to 30 kt. Chance RA.
Thursday Night through Friday: VFR. Breezy.
Friday Night: Mainly VFR, with local MVFR possible. Breezy. Chance RA, chance SN.
Saturday: Breezy.
MARINE
Forecaster Confidence Levels...
Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.
Today through Tuesday night...High confidence.
A weak pressure gradient will keep winds and seas below small craft advisory thresholds through Tue night. Areas of fog...some of which will be dense at times will impact our southern waters during the overnight and early morning hours. This will result in poor vsbys for mariners at times, but improving by mid to late morning.
Outlook /Wednesday through Saturday/...
Wednesday: Winds less than 25 kt. Seas locally approaching 5 ft. Slight chance of rain.
Wednesday Night: Strong winds with areas of gusts up to 30 kt. Areas of rough seas. Chance of rain.
Thursday: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Rough seas up to 10 ft. Chance of rain.
Thursday Night: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of rough seas. Chance of rain, slight chance of snow.
Friday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Friday Night: Strong winds with gusts up to 30 kt. Seas up to 5 ft. Chance of rain.
Saturday: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Areas of rough seas.
CLIMATE
Record highs for Tuesday, March 10th...
BOS...71...1878 PVD...72...2016 BDL...72...2016 ORH...67...2020
Average high for 3/10 is 40-45.
BOX WATCHES/WARNINGS/ADVISORIES
CT...None. MA...None. RI...None. MARINE...None.
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