Mostly Dry This Week

 

NAM 500 Millibar Forecast 8 AM Tuesday (short wave circled)

NAM 500 Millibar Forecast 8 AM Tuesday (short wave circled)

A mid-level “short wave” may trigger a shower Tuesday morning.  Aside from that possibility, most of this week looks dry & comfortable during the day and a bit chilly at night.  After a mostly clear start, clouds will increase late tonight. Lows 46-52. Chance for a shower Tuesday morning. Partly sunny in the afternoon.  Highs 68-73. Clear & chilly Tuesday night.  Lows 43-51. Mostly sunny Wednesday.  Highs 67-72. Partly cloudy Thursday.  Highs 69-74. Mostly sunny Friday.  Highs in the low-mid 60′s.

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Weekend Outlook

NAM Forecast 2 PM Saturday

NAM Forecast 2 PM Saturday

Sky conditions will remain mostly clear for a while tonight, with a few clouds drifting in late.  It will be cool with lows 47-54.  A weak, elongated area of low pressure at the surface and approaching shortwave aloft will result in increasing & thickening clouds Saturday.  Some showers will affect CT during the mid & late afternoon.  Highs will be between 65-70.  Any showers should finish up by early Saturday night.  Looks like most places will get 0.25″ or less rainfall all together.  Clearing Saturday night after the showers end.  Lows 50-55.  Sunday looks nice - Sunny. Highs 66-71.  Sunny & low 70′s Monday.

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More Humid Thursday

 

NAM Forecast 2 PM Thursday

NAM Forecast 2 PM Thursday

A cold front will approach the area from the northwest Thursday.  A southwest air flow ahead of this front will increase moisture levels here until it passes Thursday evening.  Tonight will be increasingly cloudy with lows between 58-63.  We will see considerable cloudiness and higher humidity  Thursday.  There is the chance for a shower or t-storm in the afternoon or evening. Highs 77-82. After the front passes during Thursday evening, sky conditions will become partly cloudy during Thursday night, with lows dropping into the 50′s (some upper 40′s to the northwest).  Friday looks like a splendid day, with beaucoup sunshine, very low humidity (dewpoints in the 40′s), and high temperatures between 67-73.  Right now the weekend looks partly cloudy with highs between 66-73.  Still wouldn’t rule out a shower at some point.

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Eh

Surface Map 2 PM Tuesday

Surface Map 2 PM Tuesday

Well, it’s not exactly pretty, but at least our weather is for the most part dry & fairly comfortable.  A low pressure system and associated frontal structure centered just of the mid-Atlantic coast this afternoon continues to supply some cloudiness to our region courtesy of the south to southwest steering flow aloft.  High pressure centered over the Canadian Maritimes is still exerting enough influence to keep us dry.  Next significant weather system is a cold front that will bring a band of showers or rain in by late Thursday or Thursday evening (based on current timing).

Sky becomes partly cloudy tonight. Lows mostly in the 50′s (some upper 40′s in the cold pockets to the north). A combination of clouds & some sun Wednesday. Highs in the 70′s.  Partly cloudy Wednesday night. Lows 58-63. Partly to mostly cloudy Thursday.  Showers or rain by late in the day or evening. Highs 76-81. Mostly sunny Friday.  Highs 70-75.  Early peek at the weekend: looks mostly dry. Partly cloudy. Maybe a scattered shower. Highs 68-73.

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Split Personality Weekend

Surface MapTwo very different days coming up this weekend. Saturday will be warm & humid with some showers & t-storms around in the afternoon & evening.  A couple of these could become strong to severe.  Highs will be in the 80′s. Sunday will be mostly sunny with low humidity and highs between 75-80.

It is going to be muggy tonight, with a partly cloudy sky and low temperature holding between 65-70.  There may be some areas of fog or low clouds around early Saturday morning, however it will become partly sunny until some showers and storms get going during the afternoon.  The threat for some showers & t-storms will continue into part of Saturday night, followed by late clearing.  Lows cool to the mid 50′s-low 60′s by sunrise Sunday.

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Turning Less Humid

NAM Forecasted Streamlines 2 AM Wednesday

NAM Forecasted Streamlines 2 AM Wednesday

A cold front will pass across the region late tonight.  The image shows forecast streamlines (wind direction) for 2 AM Wednesday.  Notice the shift from a southwesterly wind to a northwesterly wind. This front will increase the chance for some rain or a t-storm between 11 PM-2 AM (a little later in RI & eastern MA).  After the wind shifts, drier air will begin to work in.  Lows will be in the 60′s tonight.  Conditions will be less humid Wednesday, as dewpoints drop through the 50′s.  We’ll have a sunny sky and highs in the low-mid 80′s. Wednesday night looks clear and cool with lows in the 50′s.  Thursday & Friday will be mostly sunny with highs in the 80′s.  Comfortable humidity Thursday, with dewpoints rising a bit Friday.

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A Look At The Holiday Weekend

NAM Forecast 8 P.M. Friday

NAM Forecast 8 P.M. Friday

A ridge of high pressure (circled in red on the image to the left) will build across the region from west to east over the next couple days, keeping our weather dry with below-average temperatures.  Once the ridge moves to the east, moisture levels will increase Saturday night into Sunday.  Sky conditions tonight will become mostly clear.  Lows will be a tad chilly – 48-55. Friday will be sunny and not as breezy as today, with continued low humidity.  Highs will be in the 70′s.  Friday night and Saturday will be partly cloudy.  Lows 48-56  Friday night, with highs in the 70′s again Saturday.  Humidity levels will increase Saturday night into Sunday.  Cloudiness will also increase Sunday, with the chance for a shower or thundershower developing in the afternoon and evening.  Sunday’s high temperatures will be mostly between 78-84.  Labor Day looks partly sunny, warm & humid with the chance for a shower or t-storm and highs in the 80′s.

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Some T-Storms, Then Cooler & Drier

Radar 5:43 P.M. EDT

Radar 5:43 P.M. EDT

A broken band of thunderstorms is moving across parts of the region this evening/early tonight.  A cold front will pass around midnight, followed by a windshift into the northwest.  This will start to draw cooler, drier back in.  Lows overnight will be about 60-65.  Thursday looks mostly sunny, with a northwest breeze and comfortable humidity.  Highs 77-83.  Friday will also be mostly sunny. Highs holding in the 70′s.  Saturday looks partly cloudy.  Highs 75-80.

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Nice Weather Continues

Surface MapHigh pressure over the northeast will keep pleasant weather around through Tuesday.  A cold front, scheduled to arrive late Wednesday, may trigger of shower or thunderstorm Wednesday afternoon or evening.  Humidity levels will increase slightly between now and Wednesday, then drop off Wednesday night & Thursday.  Some patchy fog is possible in parts of the region toward dawn Tuesday and Wednesday.  Dry, comfortable weather in store for us behind the front Thursday & Friday.  High temperatures will be in the 80′s Tuesday & Wednesday.  Lows will be 55-65 tonight and 60-65 early Wednesday.

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Another Cool Pool

NAM Depicting Mid-Level Low at 2 PM Friday

NAM Depicting Mid-Level Low at 2 PM Friday

This has been the summer of the upper-level low.  A parade of these mid-upper level systems have been moving over eastern Canada and the northeastern U.S. during much of this summer, keeping temperatures down.  There are locations in southern Quebec & Ontario Provinces this afternoon that are only in the upper 40′s-low 50′s (it’s raining there).  Now that’s cool for an August afternoon!

Our weather will remain mostly dry and comfortable, with below average temperatures and low humidity into the weekend.  A scattered shower is possible in a few towns this evening/first part of tonight and maybe again late Friday, due to instability aloft, however mostly dry weather will continue through Saturday.  Highs will be in the 70′s Friday and near 80 Saturday.  The chance for a few showers and maybe some thunder develops Saturday night into part of Sunday.

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