Wednesday, December11, 2019
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Marine Weather and Tides
Great Barrington, MA

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

Sunrise 7:10AMSunset 4:21PM Wednesday December 11, 2019 6:18 PM EST (23:18 UTC) Moonrise 5:11PMMoonset 7:23AM Illumination 100% Phase: Full Moon; Moon at 15 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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ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 534 Pm Est Wed Dec 11 2019
.small craft advisory in effect through late tonight...
Tonight..NW winds 15 to 20 kt, diminishing to 10 to 15 kt late. Gusts up to 30 kt. Seas around 2 ft.
Thu..NW winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less.
Thu night..SE winds around 5 kt. Seas 1 ft or less.
Fri..E winds 5 to 10 kt. Seas 1 ft or less. Chance of rain in the afternoon.
Fri night..E winds around 10 kt. Seas 1 ft or less. Chance of rain in the evening, then rain likely after midnight with vsby 1 to 3 nm.
Sat..E winds 5 to 10 kt with gusts up to 20 kt, becoming S in the afternoon. Seas 1 ft or less. Rain in the morning, then showers likely in the afternoon. Vsby 1 to 3 nm in the morning.
Sat night..SW winds 5 to 10 kt, becoming W 15 to 20 kt after midnight. Seas 2 to 4 ft.
Sun..W winds 15 to 20 kt. Seas 2 to 4 ft.
Sun night..W winds 15 to 20 kt. Seas 2 to 4 ft.
Mon..W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft.
Mon night..NW winds 5 to 10 kt, becoming E after midnight. Seas 1 ft or less. Chance of rain after midnight.
ANZ300 534 Pm Est Wed Dec 11 2019
Synopsis for the long island waters and new york harbor.. Strong arctic high pressure builds in through tonight, then pushes offshore late Thursday as a warm front lifts well north of the area. Low pressure approaches from the south Friday and passes through on Saturday with low pressure building back in on Sunday and Monday.


7 Day Forecast for Marine Location Near Great Barrington, MA
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location: 42.19, -73.36     debug


Area Discussion for - Albany, NY
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FXUS61 KALY 112006 AFDALY

AREA FORECAST DISCUSSION National Weather Service Albany NY 306 PM EST Wed Dec 11 2019

SYNOPSIS. Another cold front will cross the region and usher in colder temperatures tonight into Thursday. Lake effect snow downwind of Lake Ontario will impact portions of the Adirondacks and Mohawk Valley with some light accumulations. Thereafter, high pressure will move across the area through Thursday and be east of the region Friday. Another storm will impact the region this weekend.

NEAR TERM /THROUGH TONIGHT/. As of 300 PM EST . Breaks of sunshine has allowed temperatures to moderate a bit ranging from the mid 20s to mid 30s. GOES 16 imagery reveals scattered to broken stratus filtering out the sunshine as an arctic boundary approaches from the west. In the wake of the frontal passage, wind magnitudes/gusts increase as evident along and west of I81. A few snow squalls, per the snow squall parameter equations, may accompany the frontal passage which appears to be west and north of Albany. Furthermore, lake effect snow is well underway downwind of both Lake Erie and Ontario. Mean flow is currently from southwest to northeast as those winds will veer through this evening to a more west- northwest flow. Bufkit profiles suggest extreme instability class will be in place with relatively high inversion heights near 7k feet. Inland penetration should also be impressive initially as shear at the top of the column will be moderate with intensity. Toward midnight, the NAM3km Bufkit profiles suggest the lowering inversion heights, sub-5km, will move across the lake and lowering shear magnitudes to limit inland extent a bit. At this time, per forecast snow ratios and QPF, we will keep snow amounts just below advisory criteria at this time. Elsewhere, a few flurries or snow showers are possible with some weak bands of snow through the Capital District possible tonight. Overnight lows under variable cloud coverage will range from the single digits to mid-teens.

SHORT TERM /THURSDAY THROUGH FRIDAY/. Thursday, surface high pressure will move across the region which in turn will reduce and limit lake effect snow further and bring about more sunshine. As H850 temperatures will remain rather chilly from negative teens in the morning and a slight moderation in the afternoon, we will keep temperatures mainly into the 20s and some lower 30s for the mid-Hudson Valley. Some high and mid level clouds will move across the northern half of the CWA in the afternoon as mid level warm advection gets underway.

Thursday night into Friday, as the surface high becomes more removed to our east, an increasing southerly flow will become more apparent. Moisture transport at the low and mid levels increase which supports an increase in cloud coverage overnight and more so during Friday. In fact, guidance supports low level moisture transport from the eastern Gulf and western Atlantic will quickly advect northward with cloud coverage as we will increase our sky grids with this forecast package. Could even see some light precipitation evolve for our southern zones later Friday afternoon. Overnight lows range from the teens to lower 20s, and could rise overnight depending on how much cloud coverage advects across the region. Highs Friday range from near 40F for mid-Hudson Valley and southern portions of Litchfield to lower 30s across the Dacks and peaks of the southern Greens.

LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/.

An active weather pattern is on tap through mid-December as a northern stream trough continues to be enforced across the northeast CONUS.

To begin, a strong low pressure system will take shape across the Tennessee valley into the Carolinas Friday night and track northeastward as it deepens. This will result in a wet weather weekend. Precipitation is expected to spread into the forecast area late Friday, becoming widespread by daybreak Saturday. P-type may start out as a mix of sleet or snow in the higher terrain Friday night but should eventually change over to all rain during the day Saturday. Latest GEFS ensembles show that precipitable water values reach +2 to +3 S.D. above normal so expect rain to be moderate to occasionally heavy at times. Around an inch of precipitation is possible through Saturday evening. As this system lifts into Maine, the negatively tilted trough will cross through the area as well as a surface cold front. This will allow for precipitation to continue through at least Saturday night with some locations changing back over to snow. It appears that wrap around moisture with the trough axis will result in continued snow showers through Sunday for mainly the Dacks/southern Greens/Mohawk and Schoharie Valleys. Snow showers across the high terrain will transition to lake effect snow showers for a brief period Sunday night. Highs on Saturday should reach the 40s to low 50s, with lows generally in the 30s Saturday night. Highs on Sunday will be closer to seasonable, in the low 30s to low 40s.

High pressure builds into the region for Monday with morning lows starting out in the teens to mid 20s, warming into low 20s to mid 30s by the afternoon.

The next potential weather system moves into the region Monday night with a chance for mainly snow (with a mix of rain/snow in the mid- Hudson valley) through Tuesday.

AVIATION /20Z WEDNESDAY THROUGH MONDAY/. VFR conditions are expected to prevail through the TAF period thanks to dry conditions at lower levels of the atmosphere. Clouds will increase this afternoon with some BKN stratocu around the 3.5-5kft level. A cold front will pass through this evening, giving KALB/KPSF an outside chance at a snow shower along the front, and perhaps behind the front as some lake effect activity works its way down the Mohawk Valley. Not enough confidence to include an explicit mention in the TAFs, but something to monitor. High pressure building in in the wake of the front will ensure good flying conditions late tonight into Thursday morning.

Winds will increase this evening into the overnight hours along and behind the cold front, with gusts around 25 kt possible from the west. The winds will diminish late tonight into Thursday morning.

Outlook .

Thursday Night: No Operational Impact. NO SIG WX. Friday: Moderate Operational Impact. Chance of RA. Friday Night: High Operational Impact. Definite RA. Saturday: High Operational Impact. Definite RA. Saturday Night: Moderate Operational Impact Likely SHRA. RA. Sunday: Moderate Operational Impact. Breezy Chance of SHRA. Sunday Night: Low Operational Impact. Breezy Slight Chance of SHSN. Monday: No Operational Impact. NO SIG WX.

HYDROLOGY. As temperatures cool off tonight, runoff from the recent rainfall and snow melt should slow down. Any additional precipitation in the form of snow from early this morning for southern areas won't have any immediate impact on rivers and streams.

For the remainder of the work week, rivers and streams will slowly recede, although some rivers (such as the Housatonic River) may remain elevated. Another storm may bring more moderate to significant rain to the region for Friday into Saturday, which will cause rivers and streams to rise once again. Many rivers may approach bankfull levels, per the MMEFS GEFS, and some flooding will be possible, especially across western New England.

For details on specific area rivers and lakes, including latest observed and forecast river stages and lake elevations, please visit the Advanced Hydrologic Prediction Service /AHPS/ graphs on our website.

ALY WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. MA . None. VT . None.

SYNOPSIS . BGM NEAR TERM . BGM SHORT TERM . BGM LONG TERM . SND/JLV AVIATION . Thompson HYDROLOGY . Frugis/BGM

www.weather.gov/albany


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANMN6 - Hudson River Reserve, NY 32 mi49 min E 1 33°F 1024 hPa26°F
TKPN6 33 mi49 min S 6 G 8.9 33°F 35°F1024.7 hPa26°F
NPXN6 40 mi49 min SSE 4.1 34°F 1025 hPa28°F
NWHC3 - 8465705 - New Haven, CT 67 mi49 min W 6 G 8 35°F 42°F1025.3 hPa
BRHC3 - 8467150 - Bridgeport, CT 71 mi49 min WSW 5.1 G 8 34°F 44°F1025.4 hPa

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pittsfield Municipal Airport, MA17 mi25 minSW 610.00 miA Few Clouds27°F21°F78%1023.1 hPa

Link to 5 minute data for KPSF

Wind History from PSF (wind in knots)
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Tide / Current Tables for Hudson, Hudson River, New York
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Hudson
Click for Map
Wed -- 02:04 AM EST     3.74 feet High Tide
Wed -- 06:25 AM EST     Moonset
Wed -- 07:13 AM EST     Sunrise
Wed -- 08:23 AM EST     -0.08 feet Low Tide
Wed -- 02:10 PM EST     4.55 feet High Tide
Wed -- 04:12 PM EST     Moonrise
Wed -- 04:22 PM EST     Sunset
Wed -- 09:10 PM EST     -0.19 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.93.53.73.62.91.910.3-00.112.33.54.34.54.43.82.81.70.90.2-0.20.11.1

Tide / Current Tables for Coxsackie, Hudson River, New York
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Coxsackie
Click for Map
Wed -- 03:06 AM EST     3.58 feet High Tide
Wed -- 06:25 AM EST     Moonset
Wed -- 07:14 AM EST     Sunrise
Wed -- 09:00 AM EST     0.03 feet Low Tide
Wed -- 03:25 PM EST     4.88 feet High Tide
Wed -- 04:12 PM EST     Moonrise
Wed -- 04:22 PM EST     Sunset
Wed -- 09:44 PM EST     0.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.22.93.43.63.32.41.610.400.41.52.83.84.54.84.73.92.81.91.10.300.6

Weather Map
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wmap_A
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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Albany, NY (18,4,5,8)
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Ground Weather Radar Station Albany, NY
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