Wednesday, November14, 2018 L-36.com


Marine Weather and Tides
Pittsfield, NH

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:35AMSunset 4:21PM Wednesday November 14, 2018 3:39 AM EST (08:39 UTC) Moonrise 1:24PMMoonset 11:22PM Illumination 37% Phase: Waxing Crescent; Moon at 6 days in cycle
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.
Marine Forecasts
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ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 324 Am Est Wed Nov 14 2018
.gale warning in effect through this evening...
Today..NW winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft.
Tonight..NW winds 15 to 25 kt, diminishing to 10 to 20 kt after midnight. Gusts up to 35 kt. Seas 4 to 7 ft, subsiding to 3 to 5 ft after midnight.
Thu..N winds 5 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 4 ft, subsiding to 1 to 2 ft in the afternoon.
Thu night..E winds 5 to 15 kt with gusts up to 20 kt, increasing to 10 to 20 kt with gusts up to 30 kt after midnight. Seas around 2 ft, building to 3 to 5 ft after midnight. Rain or snow likely. Vsby 1 to 3 nm in the evening.
Fri..NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft, building to 7 to 10 ft in the afternoon. Rain.
Fri night..NW winds 10 to 20 kt. Gusts up to 30 kt in the evening. Seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight.
Sat..W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Sat night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sun..NW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Sun night..W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of rain or snow showers.
ANZ100 324 Am Est Wed Nov 14 2018
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure rapidly exits northeast into the maritimes, with strong northwest winds in its wake today. The next potential coastal storm will arrive late Thursday night or Friday. &&


7 Day Forecast for Marine Location Near Pittsfield, NH
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location: 43.24, -71.19     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 140826
afdgyx
area forecast discussion
national weather service gray me
326 am est Wed nov 14 2018

Synopsis
Much colder air arrives today on a strong northwesterly wind
with gusts to near 40 mph expected. This cold air will stick
around through Thursday. The next coastal storm will arrive
late Thursday night continuing into Friday bringing snowfall to
parts of the region.

Near term until 6 pm this evening
The storm system which brought widespread precipitation and the
first snow to many areas has ejected towards prince edward
island. High pressure covering much of the central CONUS will
shift northeast today. The tight pressure gradient at the
surface as well as strong unidirectional flow aloft will allow
for good mixing and allow some of the stronger winds to reach
the surface. Winds have begun to increase across the region
with many sites already gusting to near 40 mph. A wind advisory
continues through 7 pm tonight for the entire area.

Outside of the brisk wind, skies will be clear to mostly sunny
for a few hours before additional cloud cover arrives with a
band of vorticity associated with troughing aloft. Temperatures
will only reach the teens north to the upper 20s lower 30s
south under strong CAA today. 850mb temps will come close to
-20c across the mountains and foothills. A few lingering snow
flakes are possible early on for the highest peaks.

Short term 6 pm this evening through 6 pm Thursday
High pressure passes overhead tonight, and will help contribute
to one of the coldest night of the year. Expect single digits
across the north with teens closer to the coast. Winds will have
largely diminished, but still expected some AOB 10 mph or so.

High temperatures Thursday will rebound into the 20s areawide
with a few 30s near the coast. Winds come around to the
southwest finally late Thursday as a strong southern stream
short wave triggers secondary cyclogenesis off the delmarva
peninsula. Most of the precipitation will hold off for northern
sections until Friday, but southern nh and southwest me will see
snow begin to fall evening.

Long term Thursday night through Tuesday
The deterministic model solutions are in decent agreement on the
long wave pattern through early next week. We begin the period
with a potent shortwave over the lower mississippi valley that
quickly GOES negative tilt as it races north to the bay of fundy
by Friday evening. At the surface... A developing coastal low
will track northeast from the carolina's to eastern new england by
Friday evening. Warm air advection precipitation in advance of
the low will breakout across the forecast area from south to north
during the predawn hours of Friday. With cooling at precipitation
onset... Most locations should start as snow or sleet. We'll chip
away at the cold air along the coastal plain during the day... And
see a transition from frozen to liquid. At this juncture... Mixing
and model QPF is suggesting advisory versus warning criteria
snowfall across much of the area late Thursday night into Friday.

It should make for a tricky morning commute in many locations.

Precipitation quickly tapers from southwest to northeast during
the afternoon as the surface low and upper support exits into the
maritimes. In the wake of this system... A broad upper trough
across the eastern two thirds of the conus. Weak impulses
embedded in the flow will drive a series of weak surface systems
across the area accompanied by clouds and limited moisture. These
weak systems will in turn offer several reinforcing shots of
cold air to the region for the period... As our below normal
temperature regime continues.

Aviation 08z Wednesday through Sunday
Short term...VFR through today and tonight. Areas of MVFR
conditions may persist in the mountains early on with scattered
snow showers.

Long term...

fri... Ifr with areas of lifr in ra,pl,sn and fog. Sfc wind gusts
to 25 kt.

Sat... Sct MVFR in mtn -shsn.

Marine
Short term... A tight NW pressure gradient combined with very
cold air advection over the warm waters will cause an
acceleration of the winds over the waters surface and induce
strong northwest gales through this evening before diminishing.

Long term...

fri - sat... Sca's likely... With gale's psb outside the bays.

Gyx watches warnings advisories
Me... Wind advisory until 7 pm est this evening for mez007>009-
012>014-018>028.

Nh... Wind advisory until 7 pm est this evening for nhz001>015.

Marine... Gale warning until midnight est tonight for anz150>154.

Near term... Hanes
short term... Hanes
long term... Schwibs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 23 mi55 min WNW 7 31°F 16°F
WELM1 - 8419317 - Wells, ME 34 mi40 min NW 14 G 23 29°F 49°F1017.4 hPa (+4.1)
WEXM1 - Wells Reserve, ME 35 mi55 min WNW 8.9 29°F 9°F
IOSN3 - Isle of Shoals, NH 35 mi40 min WNW 26 G 30 32°F 1016.7 hPa (+4.6)14°F
44030 - Buoy B0102 - Western Maine Shelf 41 mi96 min WNW 31 G 45 34°F 49°F5 ft1015.8 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rochester - Skyhaven Airport, NH14 mi49 minNW 14 G 1910.00 miFair28°F12°F51%1016.9 hPa
Concord Municipal Airport, NH17 mi49 minWNW 910.00 miFair27°F14°F58%1018 hPa
Pease Air Force Base / Portsmouth, NH22 mi44 minWNW 1310.00 miPartly Cloudy30°F10°F44%1017.6 hPa
Manchester Airport, NH24 mi47 minVar 410.00 miMostly Cloudy31°F15°F52%1019.2 hPa

Wind History from DAW (wind in knots)
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Last 24hrNW4NW3E3E35E5CalmNW5NW7N10N8NW14N7NW7W8
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1 day agoNW3CalmNW5Calm3453553CalmS4CalmCalmCalmCalmCalmNW3CalmCalmCalmCalmCalm
2 days ago4W65W54NW15
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W7NW733CalmCalm44W33NW3W4

Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire
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Salmon Falls River entrance
Click for Map
Wed -- 05:11 AM EST     6.11 feet High Tide
Wed -- 06:34 AM EST     Sunrise
Wed -- 11:20 AM EST     1.43 feet Low Tide
Wed -- 12:22 PM EST     Moonrise
Wed -- 04:20 PM EST     Sunset
Wed -- 05:14 PM EST     6.54 feet High Tide
Wed -- 10:20 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.91.83.24.65.76.15.95.24.12.91.91.51.62.33.54.966.56.45.74.63.21.91.1

Tide / Current Tables for Squamscott River RR. Bridge, New Hampshire
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Squamscott River RR. Bridge
Click for Map
Wed -- 05:55 AM EST     6.11 feet High Tide
Wed -- 06:34 AM EST     Sunrise
Wed -- 12:09 PM EST     1.43 feet Low Tide
Wed -- 12:22 PM EST     Moonrise
Wed -- 04:20 PM EST     Sunset
Wed -- 05:58 PM EST     6.54 feet High Tide
Wed -- 10:21 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.6123.54.95.86.15.853.82.61.81.41.72.53.85.26.26.56.35.54.32.91.7

Weather Map and Satellite Images
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GOES 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.
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Wind Forecast for Gray/Portland, ME (3,6,7,8)
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Ground Weather Radar Station Portland, ME
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.