Saturday, August19, 2017 L-36.com


Marine Weather and Tides
Athens, WI

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:05AMSunset 7:58PM Saturday August 19, 2017 1:39 PM CDT (18:39 UTC) Moonrise 2:33AMMoonset 5:41PM Illumination 7% Phase: Waning Crescent; Moon at 27 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 Athens, WI
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location: 45.09, -90.06     debug


Area Discussion for - Green Bay, WI
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Fxus63 kgrb 191738
afdgrb
area forecast discussion
national weather service green bay wi
1238 pm cdt Sat aug 19 2017
updated aviation portion for 18z TAF issuance

Short term Today... Tonight... And Sunday
issued at 321 am cdt Sat aug 19 2017
an isolated storm crossed lake superior and reached the upper
michigan keweenaw peninsula region early this morning. This
convection was associated with a region of higher pwats moisture
with a piece of energy in the northwest flow. Radar trends
suggests this storm will slide by north of the wisconsin upper
michigan border this morning. Will keep an eye on north central
wisconsin during the early morning hours as total totals values
were in the lower 50s. Otherwise clearing skies from the west were
creating areas of fog and low stratus early this morning. Dense
fog was not widespread at this time so will likely issue a sps
for central and north central areas.

Progs continue to hint for a slight chance of afternoon or early
evening convection over far northeast wisconsin. Weak low
pressure drops into the area along with possible initiation with
lake breeze boundaries. Some weak CAPE develops along with steep
low level lapse rates. Upper heights do increase for a limiting
factor. Do note some convection up stream in the lake of the woods
area.

Otherwise a quiet weather regime expected through most of Sunday
until precipitation chances begin to increase Sunday afternoon as
a frontal boundary approaches form the northwest.

Long term Sunday night through Friday
issued at 321 am cdt Sat aug 19 2017
the active weather system continues to be focal point for the
extended forecast Sunday night through Tuesday morning. Drier
conditions return through the midweek and towards the end of the
week
warm air advection through Sunday will setup ample moisture for
Sunday evening as a weak cold front approaches the region. Spotty
convection is expected to develop across central wisconsin and the
northeast. Current severe potential looks marginal, although if
shear and CAPE values increase towards us, a few stronger
thunderstorms will be possible. Overnight rainfall will then
linger in the area as the frontal system stalls out. Additional
development is expected to arrive Monday, with a bit more
organization as an upper level shortwave lends a helping hand.

Main threat will be locally heavy rainfall, although shear values
around 30-40 knots around the fox valley may aid in the
development of marginally severe thunderstorms, provided lingering
morning convection doesn't ruin the instability. In either case,
things don't look good for those wanting to catch the eclipse
Monday morning.

The 500 mb ridge then begins to amplify towards the middle of next
week, pushing in drier conditions across the region. A weak
shortwave will be the last chance to see some rain in far
northeastern wisconsin on Wednesday before drier conditions move
back into the area.

Temperatures will be above normal through the end of the weekend
before heading closer to normal as the ridge establishes itself
next week.

Aviation For 18z TAF issuance
issued at 1237 pm cdt Sat aug 19 2017
expectVFR conditions for the rest of the day and into the early
evening. Some showers and or thunderstorms may develop this
afternoon across northeast wisconsin but anything that develops
will quickly die off with loss of daytime heating. Relatively
light winds, few clouds and high dew points should lead to the
development of fog tonight. Expect areas of dense fog but am not
certain it will be widespread. Have MVFR fog at TAF sites tonight
with ifr lifr in a tempo group.

Grb watches warnings advisories
None.

Short term... ..Tdh
long term... ... Uhlmann
aviation... ... .Mg


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Taylor County Airport, WI13 mi65 minW 810.00 miFair73°F58°F61%1014.6 hPa
Merrill, Merrill Municipal Airport, WI20 mi2 hrsWNW 810.00 miFair73°F57°F57%1014.2 hPa

Wind History from MDZ (wind in knots)
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Last 24hrW8W9NW8W6W5W3W4W3W4W4W5W7W5W5W6W4W5W3W3W3W9W10W7
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1 day agoW12
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2 days agoE10
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
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IR Satellite Image from GEOS
east_satellite

GOES Local Image of GreatLakes    EDIT
Geos

Wind Forecast for Green Bay, WI (14,3,4,5)
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Ground Weather Radar Station Green Bay, WI
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weather_mapweather_map weather_map

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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.