|
Marine Weather and Tides
Version 3.4 |
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 5:57AM | Sunset 7:55PM | Sunday August 18, 2019 5:02 PM EDT (21:02 UTC) | Moonrise 9:40PM | Moonset 8:45AM | Illumination 89% |  |
7 Day Forecast for Marine Location Near Hinesburg, VT
Hourly EDIT Helplocation: 44.27, -73 debug
Area Discussion for - Burlington, VT
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kbtv 181903 afdbtv area forecast discussion national weather service burlington vt 303 pm edt Sun aug 18 2019 Synopsis A very warm and humid air mass will persist across the north country through Monday. A few showers and thunderstorms are possible this evening, mainly across south-central vermont. A weak cold front approaching from the west Monday afternoon will bring additional isolated to scattered showers and thunderstorms to northern new york and vermont Monday afternoon. High temperatures on Monday will reach 85 to 90 degrees across valley locations. Temperatures and humidity levels drop slightly on Tuesday, but much cooler and drier air won't arrive until Thursday. Near term through Monday night As of 211 pm edt Sunday... Will be monitoring two potential periods of convective precipitation during the near-term forecast period. Warm and humid air mass in place (2-m dewpoints in the mid 60s) could support a few strong thunderstorms this evening in association with 700mb shortwave trough crossing w-central ny and NRN pa this afternoon. Convective storms through 1830z have been limited to s-central ny into pa, but both the nam-3km WRF and btv-4kmwrf indicate some additional northward convective development is possible, with the greatest threat across s-central vt between 23-03z this evening. Included 30-40 pops from essex county ny ewd across rutland windsor counties this evening to account for this scenario. If isold convective storms can develop northward, SBCAPE around 1000 j kg and modest sfc-6km shear (20-25 kt) could lead to a few strong convective wind gusts this evening. We will continue to monitor. Otherwise, continued southerly gradient flow combined with humid conditions will make for a warm night. Overnight low temperatures are generally expected to range from 65-72f, with the warmest temperatures in the champlain valley. Some patchy fog is likely as well, mainly across the valleys of central ERN vt and within the northern adirondack region. If rainfall occurs across s-central vt, there will be increased potential for fog development later tonight in that region as well. On Monday, modest 700-500mb vort axis translates enewd across nrn ny into vt during the daylight hours per 12z gfs. This modest feature combined with +16 to +17c at 850mb (thermal ridge axis) could lead to some additional shower and thunderstorm development during the daylight hours on Monday. Sbcape values should be higher than today, with valley high temperatures in the 85-90f range contributing to SBCAPE values reaching 1500-2000 j kg. Absence of any significant height falls and only weak upper support leaves overall intensity of convective threat in question, as does modest sfc-6km shear in 20-25 kt range. Can't rule out a few strong to severe storms, but won't include any enhanced wording with this forecast package. MAX pops reach 40-50 percent for Monday afternoon associated with potential TSTM activity. Also, it appears heat index values will remain just below advisory criteria, likely peaking in the lower 90s in most locations. Highest heat index values may touch 95f in the upper ct river valley, aided by 2-m dewpoints near 70f. Drier conditions expected Monday night with weak nwly wind shift and lower deep-layer rh values settling sewd across the region. Should set up additional nocturnal fog and some slightly cooler low temperatures. Have indicated lows in the low-mid 60s across vt, except upper 50s in the northeast kingdom. Across the northern adirondacks and st. Lawrence valley, lows mainly in the mid-upper 50s for Monday night. Short term Tuesday through Tuesday night As of 303 pm edt Sunday... Picture perfect late summer weather expected for Tuesday with high pressure settling across the region. Drier air will work southward from canada behind Monday Monday night's frontal passage. Thus expect plenty of sunshine, lower dewpoints, and highs in the upper 70s to mid 80s. The dry weather will continue into Tuesday night, though moisture will begin to spread northward overnight as the flow turns to the southwest ahead of a potent upper trough approaching from the west. A few showers may move into southern rutland and windsor counties late, but overall expect any precipitation to hold off until Wednesday. Lows will be in the upper 50s to mid 60s. |
Long term Wednesday through Sunday As of 303 pm edt Sunday... Wednesday and Wednesday night are the focus of the long term as a vigorous upper trough is expected to bring a round of showers and thunderstorms to the region. However, still uncertainty as to how things will play out since, as is usually the case, parameters are not all quite optimally lined up. Moisture will surge into the north country during the day Wednesday, though how much is in question. The GFS continues to show the highest pwats remaining to our south with a frontal boundary across coastal new england, while the NAM indicate 1.5-1.75 inch pwats streaming into areas from the champlain valley eastward. This has implications on instability, as does the 700-850mb warm layer indicated by the gfs. In spite of increasing moisture, there does look to be quite a bit of dry air to overcome aloft Wednesday afternoon as well. A prefrontal trough will precede the cold front, which won't arrive until after peak daytime heating. However, this is a very dynamic system, and 0-6km shear will be around 30kt. Have therefore gone with likely pops for Wednesday evening, but subsequent shifts will need to monitor for severe potential. Wednesday will be hot and muggy as well with highs in the lower to mid 80s in many spots. The front will push through Wednesday night, and precipitation will wind down as a result. It'll be one last uncomfortable sleeping night with lows remaining in the 60s. For Thursday onward... Pleasant weather expected with high pressure building across the region. The upper low will pivot across southern quebec Thursday-Friday, so a few showers will be possible, particularly in the northern mountains. However, dry weather takes hold through the end of the week. Conditions will be much more comfortable as dewpoints will drop back into the 40s and 50s. Highs will be seasonable, mainly in the 70s, though Friday could be a bit cooler in spots as the upper low spins just north of the international border. Overnight temperatures will be in the upper 40s to mid 50s. Aviation 19z Sunday through Friday Through 18z Monday... Low (ifr MVFR) cloud ceilings have finally dissipated across northern ny and vt early this afternoon, and should seeVFR conditions with sct-bkn050-080 conditions through 22-23z. Will need to monitor evolution of isold-sct thunderstorms across central ny as activity tracks ewd, with some potential that isold thunderstorms could develop move across the northern adirondacks into s-central vt early this evening. Greatest threat would be at krut between 23-03z. Otherwise, expecting redevelopment of ifr fog at slk mpv during the overnight and pre-dawn hours on Monday with humid air mass in place. Next mid- level trough across the great lakes will bring additional scattered showers by late morning early afternoon Monday across northern ny, with developing daytime instability leading to potential for embedded thunderstorms. Included vcsh at kmss Monday morning, but a bit too soon to narrow down timing and extent of convective showers and t-storms at the remaining taf locations. Winds at btv generally s-ssw around 10kts through 22z, trending south around 5 kts overnight. On Monday, winds generally resume s-ssw around 10kts with gusts 16-18kts expected toward midday. Outlook... Monday night:VFR. Slight chance shra. Tuesday:VFR. No sig wx. Tuesday night:VFR. No sig wx. Wednesday:VFR. Chance shra, slight chance tsra. Wednesday night: mainlyVFR, with local ifr possible. Chance shra, slight chance tsra. Thursday:VFR. Chance shra. Thursday night:VFR. Slight chance shra. Friday:VFR. Slight chance shra. Btv watches warnings advisories Vt... None. Ny... None. Synopsis... Banacos near term... Banacos short term... Hastings long term... Hastings aviation... Banacos |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 45166 | 38 mi | 32 min | WSW 5.8 G 7.8 | 78°F | 75°F | 1 ft | 68°F |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Burlington, Burlington International Airport, VT | 17 mi | 68 min | S 11 | 10.00 mi | Mostly Cloudy | 83°F | 64°F | 53% | 1014.1 hPa |
| Barre / Montpelier, Knapp State Airport, VT | 23 mi | 71 min | Var 4 | 10.00 mi | A Few Clouds | 80°F | 64°F | 60% | 1016.2 hPa |
Link to 5 minute data for KBTV
Wind History from BTV (wind in knots)
| 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | |
| Last 24hr | S | SW | S | S | SE | S | Calm | Calm | S | S | S | S | Calm | Calm | S | SW | SW | S | S G15 | S | S | |||
| 1 day ago | S | S G16 | S | S | S | S | S | S | SW | S G17 | S | S | S G16 | S G16 | S | S | S | |||||||
| 2 days ago | N | NW | N | N | Calm | Calm | S | S | S | S G17 | S | S | S | S |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
EDIT (on/off) HelpWeather Map and Satellite Images
(on/off) HelpWeather Map
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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Burlington, VT (17,4,5,8)
(on/off) Help
Ground Weather Radar Station Burlington, VT
(on/off) Help
Ad by Google
|
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. |