Friday, April16, 2021
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Marine Weather and Tides
Sharon Springs, NY

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1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:10AMSunset 7:41PM Friday April 16, 2021 4:36 AM EDT (08:36 UTC) Moonrise 8:42AMMoonset 12:00AM Illumination 19% Phase: Waxing Crescent; Moon at 4 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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7 Day Forecast for Marine Location Near Sharon Springs, NY
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location: 42.73, -74.59     debug


Area Discussion for - Albany, NY
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FXUS61 KALY 160621 AFDALY

AREA FORECAST DISCUSSION National Weather Service Albany NY 221 AM EDT Fri Apr 16 2021

SYNOPSIS. Higher elevation snow and valley rain to rain snow mix will continue through the day on Friday before coming to an end from west to east Friday night into Saturday morning. A mostly dry and tranquil weather pattern returns over the weekend. An isolated shower or two is possible Sunday. Midweek next week, a cold front will bring us our next best chance for more widespread precipitation. Temperatures will moderate back to near seasonable levels through early next week before returning to cooler than normal levels later next week.

NEAR TERM /UNTIL 6 AM THIS MORNING/. UPDATE. 1:50 AM EDT

As of 1:40 AM EDT, the 500 mb RAP analysis depicted the strong sub- 540 mb closed low centered over north-central Pennsylvania. Surface analysis depicted a 1000 mb surface low pressure system offshore the south-southeastern New England. Upper diffluence was observed over the ALY forecast area with precipitation ongoing. Rain to a rain/snow mix is occurring in the valleys with boundary layer temperatures in the mid to upper 30s. Higher elevations mainly above 1000 feet have transitioned to all snow. So far, a general 1-3 inches of snow was reported over the eastern Catskills, western New England, and the Rensselaer Plataea. Rain amounts about the area range from 0.80-1.60 inches so far. Precipitation, whether rain or snow, continues to fall over the area and will do so through the overnight hours. Precipitation could be moderate to heavy at times. Made slight adjustments to temperatures and dewpoints to reflect current obs/trends. Rest of forecast remains on track. See previous discussion below.

A Winter Storm Warning remains in effect for Bennington, western Windham, and northern Berkshire Counties from 8 PM EDT this evening to 2 AM EDT Saturday .

A Winter Weather Advisory remains in effect for eastern Windham and southern Berkshire Counties from 8 PM EDT this evening to 2 AM EDT Saturday .

A Winter Weather Advisory is in effect for the Southern Adirondacks, portions of the Eastern Catskills and the Rensselaer Plateau from 7 PM EDT this evening to 8 PM EDT Friday .

Previous discussion .

UPDATE [930 PM] . Per Skywarn, social media and NY Mesonet, it seems the snow levels are dropping a little to around 1500 feet. This is also confirmed with our 00Z RAOB sounding with wet bulb zero heights were just above 2000 feet earlier. So per these observations, and current ground/road temperatures above freezing, not much accumulation reports at this time with respect to snow. However, impressive rainfall totals thus far with over an inch just east of the Hudson River (refer to our PNS shortly after 815 PM EDT). This is welcome rainfall as most of the region is within a D0 drought index. So question overnight will be the continued cooling of the column and snow accumulations. Per the HRRR/RAP, expectations are for the band(s) to pivot across western New England where heavy wet snow should accumulate. Several numerical techniques point toward over a foot of snow for the southern Greens and perhaps into northern portions of the Berks. Question is eastern Windham County VT where it could be close to higher snowfall amounts. Elsewhere, backedge of the precip was just east of southern Herkimer County and western portions of Ulster County. So we did make PoP/Wx adjustments for these areas the next several hours. Inbetween a raw rain or rain/snow mix to continue. Did lower hourly temp/dewpts per observational trends but left overnight lows in place at this time.

Prev Disc .

Our weather pattern will consist of a pair of low pressure systems which will bring both rain and snow to the region. An upper-level low, positioned across the Great Lakes, will slowly drift east- southeastward toward New York City tonight. A surface low currently developing off the mid-Atlantic coast will lift northeastward toward Cape Cod. The combination of large scale ascent and plenty of moisture advecting into the region will result in widespread rainfall across the region. As the upper-level low approaches, colder air aloft will result in a gradual lowering of temperatures through tonight and will result in rain mixing with and/or changing to snow for most areas.

Will have to monitor a possible sharp cut-off in precipitation this evening across the western Mohawk Valley, eastern Catskills and mid- Hudson Valley. This will depend on when the precipitation begins to pivot and then retrograde back westward during the overnight period.

Low temperatures tonight will remain above freezing in the valley areas (generally 34 to 38 degrees) and should result in any snowfall accumulations on non-paved surfaces with roads remaining wet. Temperatures above 1000 feet should fall into the upper 20s to lower 30s and lead to some snow-covered and/or slippery roads.

Winter Storm Warnings are in effect for the southern Greens and northern Berkshires with Winter Weather Advisories in effect for the southern Adirondacks, Rensselaer Plateau, portions of the eastern Catskills, southern Berkshires and eastern Windham County. See the short term discussion for expected snowfall totals.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM SATURDAY/. The surface low will sit and spin across southeastern New England on Friday as the upper-level low approaches the same region. By later Friday afternoon and Friday night, the low will become vertically stacked and slowly weaken as it slowly pushes eastward out to sea.

We will continue to have rounds of rain and snow across the region on Friday with the most intense precipitation across western New England. Boundary layer temperatures will rise, especially across eastern New York, that precipitation will mix with or change back to rain. This will occur especially if precipitation rates are light. Little or no additional snowfall is expected once daylight arrives as a result of the rising temperatures.

Across western New England, the higher terrain will remain snow throughout the day with some rain possibly mixing back in across valley locations.

Precipitation will gradually wind down Friday night, first across western areas and last across eastern areas.

Forecast snowfall totals are as follows: - 5 to 10 inches across the southern Greens and northern Berkshires (above 1500 feet) with up to 15 inches possible in the southern Greens - 2 to 6 inches across the southern Adirondacks, Rensselaer Plateau, portions of the eastern Catskills, southern Berkshires and eastern Windham County - Generally an inch or less in the valleys

High temperatures will range from the mid-30s in the higher elevations of the southern Greens and Berkshires to the mid-40s in the valleys. Low temperatures Friday night will dip into the upper 20s to upper 30s.

LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/. For the upcoming weekend, the closed low over the Northeast will drift into the North Atlantic, but baggy weak troughing will remain. While organized precipitation is not expected at this time, isolated to scattered showers cannot be ruled out, particularly Sunday afternoon with partly to mostly cloudy skies. Temps will rebound considerably from Friday, with near to slightly below normal readings expected.

The same general baggy trough pattern is expected to continue on Monday, although a few more degrees of warming is expected. A few diurnally generated disorganized showers will be possible in the afternoon again. The midlevel flow pattern becomes more southwesterly by Tuesday ahead of an approaching trough, with low level warm advection boosting temperatures and likely leading to a mild day. Some showers may be possible late in the day depending on the approaching trough/frontal system, but better bet for widespread showers appears to be Tuesday night at this time. Temps trend back near/below normal for Wed/Thu in the wake of the front with perhaps a few lingering showers.

AVIATION /06Z FRIDAY THROUGH TUESDAY/. Upper level low will continue to move gradually southeastward across the region. The primary surface low under the upper low will continue to weaken as the secondary low south of Cape Cod deepens. The coastal low will move gradually northward overnight to eastern Massachusetts then it will move little on Friday. Once the system is vertically stacked it will begin to weaken ans shift eastward Friday evening.

Conditions will remain poor across the area as precipitation, rain and snow, continues well into Friday afternoon. IFR conditions are expected to persist at KALB, KGFL and KPSF into Friday afternoon. An improvement to MVFR conditions is expected during the afternoon, however even as the precipitation winds down MVFR conditions are expected to persist. Snow at KPSF into Friday with rain expected to mix in as temperature rise Friday morning with a changeover to rain expected by early afternoon. Rain/snow at KALB and KGFL overnight with all snow at times. A tranistion to all rain is expected Friday morning.

The exception will be KPOU which will be on the edge of the precipitation shield. MVFR conditions are expected when precipitation occurs.

Steady precipitation is expected to taper off to taper by late afternoon and end in the evening.

Light and variable winds overnight with a northerly flow Friday at less than 10 knots.

Outlook .

Friday Night: Moderate Operational Impact. Chance of SHRA. Saturday: No Operational Impact. NO SIG WX. Saturday Night: No Operational Impact. NO SIG WX. Sunday: Low Operational Impact. Slight Chance of SHRA. Sunday Night: No Operational Impact. NO SIG WX. Monday: Low Operational Impact. Slight Chance of SHRA. Monday Night: No Operational Impact. NO SIG WX. Tuesday: Moderate Operational Impact. Chance of SHRA.

FIRE WEATHER. A widespread soaking rainfall along with accumulating snow at higher elevations is expected through tonight. Rain and snow will continue into Friday for most areas before ending from southwest to northeast. Only a few isolated showers are possible over the weekend with partly to mostly cloudy skies. Minimum RH values are expected to fall to 45 to 55 percent each day with light west to northwest winds.

HYDROLOGY. Periods of rain and snow will continue across the region into Friday night. 1-2 inches of liquid equivalent precipitation is forecast which will lead to rises on area rivers and streams. No flooding is anticipated at this time although some smaller creeks could approach bankfull.

For details on specific area rivers and lakes, including 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 . Winter Weather Advisory until 8 PM EDT this evening for NYZ032- 033-042-051-054-058-082. MA . Winter Weather Advisory until 2 AM EDT Saturday for MAZ025. Winter Storm Warning until 2 AM EDT Saturday for MAZ001. VT . Winter Weather Advisory until 2 AM EDT Saturday for VTZ015. Winter Storm Warning until 2 AM EDT Saturday for VTZ013-014.

SYNOPSIS . Evbuoma NEAR TERM . Evbuoma/BGM/Rathbun SHORT TERM . Rathbun LONG TERM . Thompson AVIATION . IAA FIRE WEATHER . Thompson HYDROLOGY . Evbuoma/Rathbun


Weather Reporting Stations
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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANMN6 - Hudson River Reserve, NY 61 mi67 min Calm 38°F 1005 hPa37°F

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KSCH

Wind History from SCH (wind in knots)
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2 days ago------------------CalmCalmCalmW7NW8NW6W6CalmCalmSW4W4W4--W3W3

Tide / Current Tables for Albany, New York
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Albany
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Fri -- 03:01 AM EDT     0.69 feet Low Tide
Fri -- 06:11 AM EDT     Sunrise
Fri -- 08:38 AM EDT     Moonrise
Fri -- 08:40 AM EDT     5.61 feet High Tide
Fri -- 03:45 PM EDT     0.77 feet Low Tide
Fri -- 07:38 PM EDT     Sunset
Fri -- 09:01 PM EDT     4.49 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.410.71.12.43.955.55.65.142.92.21.610.81.52.73.74.34.54.23.4

Tide / Current Tables for Castleton-on-Hudson, Hudson River, New York
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Castleton-on-Hudson
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Fri -- 02:32 AM EDT     0.79 feet Low Tide
Fri -- 06:11 AM EDT     Sunrise
Fri -- 08:23 AM EDT     5.41 feet High Tide
Fri -- 08:38 AM EDT     Moonrise
Fri -- 03:16 PM EDT     0.87 feet Low Tide
Fri -- 07:38 PM EDT     Sunset
Fri -- 08:44 PM EDT     4.29 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.30.90.91.734.255.45.34.63.52.621.40.91.123.13.84.24.33.93

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