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Marine Weather and Tides Pittsfield, NH Version 3.4

NOTICE 10/9/2019 Updated the Marine Zones. 9/4/2019 Fixed the weather maps due to NOAA moving them. 7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

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Sunrise 6:58AM

Sunset 4:10PM

Thursday December 5, 2019 12:46 PM EST (17:46 UTC)

Moonrise 2:13PM

Moonset 1:02AM

Illumination 63%

NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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7 Day Forecast for Marine Location Near Pittsfield, NH

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Area Discussion for - Gray/Portland, ME

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FXUS61 KGYX 051725 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1225 PM EST Thu Dec 5 2019

SYNOPSIS. An upper level disturbance will move across northern New England through today allowing for a good amount of cloudiness and some snow showers in the mountains. Another low pressure system will pass near or south of the region on Friday with an additional chance for light snow in southern areas. This system will usher in significantly colder weather for Saturday. Warmer temperatures perhaps with some rain will be possible early next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. 1220 PM Update, forecast remains on track. Did increase gusts this afternoon based on tightening gradient and arrival of cold air advection. Otherwise, temperatures have risen into the 40s across many southeastern locations, and that looks good relative to the going forecast. Can't rule out a couple of snow showers or isold squall with passage of short wave trough this afternoon, even downwind of the mountains and across southern portions of the forecast area.

Previously .

Weak synoptic scale forcing for ascent working in tandem with relatively moist low level westerly upslope flow in the lowest 850mb continues to allow for accumulating snow showers in the mountains. Occasionally these may spill over into the foothills, but the flow continues to be largely blocked. Otherwise, downwind of the mountains and across southern NH a good amount of sunshine has at least temporarily broken out so have adjusted the sky forecast accordingly. Otherwise, just a few minor adjustments to temperatures at this hour.

Previously .

7am update . expect freezing fog to dissipate in the next hour or two.

Prev Disc . Pockets of freezing fog this morning in some of the valleys. Hires guidance continues to suggest the coverage will be fairly limited and more focused on Mass so will stick with just a mention of freezing fog in the forecast.

This afternoon cold advection takes hold. As northwesterly cold advection continues through the day snow showers will start off in the mountains in the morning. Both snow squall parameter and Froude number would indicate the potential for showers to move out of the mountains and towards the coast. Because of this have increased the PoP slightly through the area this afternoon although with limited moisture any shower coverage would be limited.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/. Tonight will see just the mountain clouds hang on as colder air moves into the region. Expect light northwesterly flow to keep up overnight keeping temperatures in the teens across the region and so have trended with the warmer end of the guidance through the north.

Friday another short wave moves out of the Great Lakes and passes through southern New England. This will lead to light snow over the area. Have limited pops to along the southern border of the CWA as the system is quite small and QPF is limited. Even so a few tenths of an inch of snow is possible in this area. Could see over an inch in spots as the colder air mass will help to increase snow ratios and up the 'fluff factor'.

LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/. Any remaining snow showers will exit into the Gulf of Maine Friday evening as a clipper system exits quickly to the east.

Strong cold air advection will follow this departing area of low pressure with H8 temperatures bottoming out into the minus 14C to minus 16C range during the day Saturday. This will keep maximum temperatures only in the teens across the northern mountains to the 20s in the south. As winds become light Saturday night, radiational cooling can be expected under clear skies and a fresh coating of snow in some areas. This will allow for well below normal temperatures which will fall into the single numbers in most areas.

High pressure will depart the Eastern Seaboard and move south of east into the central Atlantic, strengthening as it does so on Monday and Tuesday. A shortwave diving southeast through the High Plains over the weekend will lead to the development of low pressure across the Central Great Lakes during the day on Monday. This system will be strengthening as it rides east- northeastward through the Great Lakes and up the Saint Lawrence Valley through late Tuesday. Moisture riding north on the western side of the high pressure center, and the strengthening low pressure center will bring a round of precipitation to the area on Monday and Tuesday.

At this point in time it appears that spotty precipitation could move into southern areas before dawn on Monday, but the bulk of the precipitation would arrive late morning and into the afternoon hours on Monday. The interaction between the high and low pressure centers will lead to freshening southwesterly flow aloft Sunday night through early Tuesday, but southerly flow at the surface will likely be slow to develop until during the day on Monday. Because of this, some light freezing rain is possible near the onset, and from any spotty precipitation Sunday Night, especially across interior sections. The cold shouldn't hold on too long into the day Monday however, with the synoptic set up not being favorable for cold air damming. Increasing south-southwesterly flow should scour out any below freezing temperatures on Monday. It's possible that this will not be the case in the far northern mountain valleys, with colder temperatures holding on into Monday night. Rain will fall across most areas into Tuesday morning, with a cold front passing through the region late Tuesday and into the overnight. The front will usher in a cold airmass Wednesday and Thursday with an Arctic High Pressure center building in behind the front.

AVIATION /18Z THURSDAY THROUGH TUESDAY/. Short Term . Snow showers will continue in the mountains today with MVFR and NWly flow as cold air advection continues. A few showers may make it out to AUG but would be brief. Overnight a return to mid level clouds in the north with VFR across the region. Friday another weak low passes through the southern portion of the area with MVFR again possible.

Long Term . Improving conditions Friday night to VFR with the exception for MVFR conditions in scattered snow showers at HIE. VFR conditions expected through the weekend.

MARINE. Short Term . Cold air advection will take hold this afternoon with increasing northwesterly flow across the Gulf of Maine leading to Small craft conditions. SCA will remain in place. Another low will move through Friday afternoon with scattered snow showers possible along the southern portion of the coastal waters.

Long Term . Gusty northwesterly winds with SCA conditions Friday night. A persistent south to southwesterly flow will develop early next week with building waves.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory from 6 PM this evening to 8 AM EST Friday for ANZ150-152-154.



NEAR TERM . Ekster SHORT TERM . Curtis LONG TERM . Clair

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
BGXN3 - Great Bay Reserve, NH	23 mi	61 min	W 9.9	39°F			1001 hPa	31°F
WELM1 - 8419317 - Wells, ME	34 mi	52 min	NW 8.9 G 13	41°F	41°F		1000.6 hPa
IOSN3 - Isle of Shoals, NH	35 mi	46 min	W 18 G 21	40°F			1000.5 hPa (+0.4)	32°F
WEXM1 - Wells Reserve, ME	35 mi	46 min	W 5.1	41°F				30°F
44030 - Buoy B0102 - Western Maine Shelf	41 mi	102 min	WNW 16 G 19	40°F	47°F	2 ft	999.8 hPa

Wind History for Wells, ME

(wind in knots)    EDIT      (on/off)   Help

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Rochester - Skyhaven Airport, NH	14 mi	55 min	WNW 10 G 15	10.00 mi	A Few Clouds	41°F	28°F	60%	1000.4 hPa
Concord Municipal Airport, NH	17 mi	55 min	WNW 13 G 22	10.00 mi	Mostly Cloudy	39°F	25°F	57%	1001.9 hPa
Pease Air Force Base / Portsmouth, NH	22 mi	1.8 hrs	WNW 10	10.00 mi	Mostly Cloudy	40°F	28°F	62%	1000.7 hPa
Manchester Airport, NH	24 mi	53 min	NW 7	10.00 mi	Mostly Cloudy	41°F	26°F	55%	1003.1 hPa

Link to 5 minute data for KDAW

Wind History from DAW (wind in knots)

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Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire

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Tide / Current Tables for Squamscott River RR. Bridge, New Hampshire

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Weather Map

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GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for Gray/Portland, ME (12,3,4,5)

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Ground Weather Radar Station Portland, ME

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