Sunday, August9, 2020
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Marine Weather and Tides
Barre, VT

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 5:47AMSunset 8:08PM Sunday August 9, 2020 4:16 AM EDT (08:16 UTC) Moonrise 11:05PMMoonset 11:36AM Illumination 72% Phase: Waning Gibbous; Moon at 20 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 Barre, VT
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location: 44.2, -72.5     debug


Area Discussion for - Burlington, VT
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FXUS61 KBTV 090750 AFDBTV

Area Forecast Discussion National Weather Service Burlington VT 350 AM EDT Sun Aug 9 2020

SYNOPSIS. Another round of showers and thunderstorms will be possible this afternoon and evening with the main focus on shower activity being across northern New York. We will see temperatures and humidity increase over the next several days with highs today in the upper 70s to mid 80s increasing to the mid 80s to lower 90 on Tuesday. Portions of the Champlain and St. Lawrence Valleys could see heat indices approach or exceed 95 degrees. Additional showers and thunderstorms will also be possible on Tuesday as a front approaches the region. Unsettled weather will continue into the second half of the upcoming week but temperatures will be closer to seasonal normals.

NEAR TERM /THROUGH MONDAY/. As of 316 AM EDT Sunday . Cloud cover will continue to increase across the North Country as we have a compact yet robust shortwave approach from the west. The first half of the day looks to be on the dry side but that will change by mid-afternoon as we see showers and thunderstorms develop ahead of the aforementioned shortwave. Precipitable waters ahead of this feature will climb from 1.2" to nearly 1.7" and we will see that reflected at the surface as increasing dewpoints through the morning and early afternoon hours. With decent divergence aloft associated with a PVA maximum we could see some thunderstorms across northern New York but once again getting a surface based thunderstorm this afternoon will be a little tricky as we see a warm and stable layer around 850 mb. Nevertheless, we could see some efficient rain makers this afternoon and into this evening as this system moves through New York. In Vermont, we will have more CIN than CAPE so we went ahead and removed mention of thunderstorms for much of Vermont. The latest NAM3 and ARW all show this feature fizzling out as it moves overhead so our rainfall amounts will decrease from west to east. We could see an isolated shower or thunderstorm on Monday as we remain right on the edge of the mid- level height rises ahead of a more progressive and deeper trough moving across the Great Lakes. We are getting back into a warming pattern across the North Country over the next two days with highs this afternoon in the upper 70s to lower warming into the lower to upper 80s on Monday. Dewpoints will climb into the upper 60s to near 70 degrees as southerly flow at the surface and 850 mb allows for strong moisture advection. While we will likely fall short of heat advisory criteria on Monday, it's sure to be a hot and muggy day.

SHORT TERM /MONDAY NIGHT THROUGH TUESDAY/. As of 349 AM EDT Sunday . Monday night through Tuesday is still on track to be the hottest part of the week. Deep southwesterly flow will tap into a warm and humid air mass over the southeastern US. By Tuesday afternoon, 850 mb temps will climb to near 20 deg C, which will support surface highs in the low to mid 90s for much of the area. Highest temperatures (93-94 deg F) are expected in lower elevations of the southern Champlain Valley, along with lower elevations of the Connecticut Valley in Windsor County. Humidity levels will be quite high as well . dewpoints expected in the upper 60s to low 70s. Apparent temperatures will be in the mid 90s for lower elevations, and some heat advisories may be needed for Tuesday. With all the instability around, should see some scattered thunderstorms develop during the afternoon, especially over higher terrain. Precipitable water values will be around 1.5 to 1.6 inches, so thunderstorms could contain some heavy rainfall. Deep layer shear is very weak, so it will be difficult to get much organization with the thunderstorms which will highly limit the severe threat. However, with pretty high instability (between 1000 and 2000 J/kg generally progged depending on model), relatively high PWats, and forecast soundings showing some dry air in the mid-levels, could see some wet microbursts/locally gusty winds out of any thunderstorms that do develop.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/. As of 349 AM EDT Sunday . A front will move through late Tuesday into Tuesday night. The nocturnal timing of the frontal passage as per current guidance will limit the impact of the frontal passage with waining instability overnight. Should see some showers with a few embedded tstorms during the overnight hours as the boundary moves through. Wednesday afternoon looks dry for much of northern NY, but VT may see some lingering showers. Highs will be in the 80s. Once the front clears the area, should see an extended period of quiet weather with Canadian high pressure building in from the north. Highs for the second half of the week will generally be in the upper 70s to mid 80s.

AVIATION /08Z SUNDAY THROUGH THURSDAY/. Through 06Z Monday . Expecting VFR conditions and light winds to persist through the forecast period. While there may be a few pockets of low stratus in the Connecticut River Valley, the increasing cloud cover should prevent sites from reaching their crossover temperatures and fogging in. We will see showers develop ahead of an upper level disturbance this afternoon and evening. Conditions will likely remain VFR with these showers but an embedded rumble of thunder or two over New York will be possible this afternoon.

Outlook .

Monday: Mainly VFR, with local MVFR possible. NO SIG WX. Monday Night: VFR. Slight chance SHRA. Tuesday: VFR. Chance SHRA, Chance TSRA. Tuesday Night: VFR. Chance SHRA, Chance TSRA. Wednesday: Mainly VFR, with local MVFR possible. Chance SHRA, Chance TSRA. Wednesday Night: VFR. Chance SHRA, Slight chance TSRA. Thursday: VFR. Chance SHRA, Slight chance TSRA.

BTV WATCHES/WARNINGS/ADVISORIES. VT . None. NY . None.

SYNOPSIS . Clay NEAR TERM . Clay SHORT TERM . Duell LONG TERM . Duell AVIATION . Clay


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45188 49 mi76 min N 5.8 69°F 75°F1019.2 hPa

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barre / Montpelier, Knapp State Airport, VT4 mi25 minN 06.00 miFog/Mist61°F59°F93%1020.4 hPa
Morrisville-Stowe State Airport, VT24 mi22 minN 09.00 miMostly Cloudy61°F59°F93%1019.2 hPa

Link to 5 minute data for KMPV

Wind History from MPV (wind in knots)
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Last 24hrCalmCalmCalmCalmNE33SE5CalmCalmE3CalmSW3SW4W3S3SW3S4CalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmNE3NE3CalmNE3Calm3S3--S6SW4SW3SW3S3CalmCalmCalmCalmS3CalmCalm
2 days agoCalmSW4CalmCalmN4W9
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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
Wind Forecast for Burlington, VT (4,6,7,8)
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Ground Weather Radar Station Burlington, VT
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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 numerous 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.