Friday, August14, 2020
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Marine Weather and Tides
Delwood, WI

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 6:00AMSunset 8:07PM Friday August 14, 2020 3:50 AM CDT (08:50 UTC) Moonrise 12:14AMMoonset 4:00PM Illumination 21% Phase: Waning Crescent; Moon at 25 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 Delwood, WI
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location: 43.93, -90     debug


Area Discussion for - La Crosse, WI
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FXUS63 KARX 140359 AFDARX

Area Forecast Discussion National Weather Service La Crosse WI 1059 PM CDT Thu Aug 13 2020

SHORT TERM. (This evening through Friday) Issued at 330 PM CDT Thu Aug 13 2020

Cloud conditions will vary the rest of today as cumulus clouds continue to develop this afternoon with the daytime surface heating and resultant steepening of the low-level lapse rates. Temperatures this early afternoon across the region were in the mid 70s to lower 80s. Dry conditions will persist into this evening with little to no forcing available as a mid-level ridge builds into the area. Tonight, low temperatures will dip into the upper 50s to mid 60s.

An MCS is anticipated to develop in northwest Minnesota along an approaching cold front later this afternoon. As the convection progresses eastward overnight ahead of the front, there is some uncertainty on the strength and spatial coverage of this convection by the time it makes it to the far northwestern counties of the area on Friday morning. With the system moving away from the better forcing, instability, and moisture transport. It is anticipated to weaken and dissipate the further east it progresses, which is also a common theme among the high resolution convective allowing models (CAMs).

Otherwise, Friday afternoon should be dry with high temperatures in the 80s. This could be too high in areas where the possible showers/storms linger later into the day. Late Friday afternoon into the evening, shower and storm chances increase as the previously mentioned north to south oriented cold front moves eastward through central Minnesota.

LONG TERM. (Friday night through Thursday) Issued at 330 PM CDT Thu Aug 13 2020

Main forecast concerns are on the potential for strong to severe storms Friday evening.

A cold front will move through the region late Friday afternoon into the overnight Friday bringing a line of showers and thunderstorms to the area. Some of the storms may be severe, especially west of the Mississippi River with a threat for damaging winds. The cold front will continue to march east across the region Friday night into Saturday with continued chances for showers and storms along and ahead of the front. Surface high pressure then builds into the area Sunday as drier and cooler northwest flow sets up across the region. There will be a few chances for showers and perhaps a few thunderstorms as weak waves move through the northwest flow aloft next week. It will be noticeably cooler with highs mainly in the 70s and lows in the 50s to possibly 40s in spots at times over central and northern Wisconsin.

AVIATION. (For the 06Z TAFS through 06Z Friday night) Issued at 1059 PM CDT Thu Aug 13 2020

The focus for these forecast will be on the potential for convection Friday evening. The cold front currently over the eastern Dakotas will be advancing toward the area. The hi-res meso-scale models are all showing a line of convection developing along the front Friday afternoon across western and central Minnesota. As the front and the convection advances east toward the area, these models are all showing the line of convection weakening and becoming more scattered as the best forcing is concentrated around a short wave trough moving along the Canadian border. Some remnants of the convection should make into the area, but confidence on how much is too low to include anything more than a VCSH for KRST at this time. If the activity hold together, the current timing for KLSE would be right around 15.06Z and will not include in the forecast at this time.

ARX WATCHES/WARNINGS/ADVISORIES. WI . None. MN . None. IA . None.

SHORT TERM . Peters LONG TERM . Wetenkamp AVIATION . 04


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Volk / Camp Douglas, WI14 mi54 minN 01.88 miFog/Mist56°F56°F100%1017.9 hPa

Link to 5 minute data for KVOK

Wind History from VOK (wind in knots)
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Last 24hrCalmSE3SE4E3E5SE4E8--S10S8SE7SE6S6SE5SE5S6SE5SE5SE3SE3S3E4CalmCalm
1 day agoCalmCalmCalm--SE3SE3SE5SE5S10SE9S9SE6SE6S6SE8S5SE4N3CalmCalmSE3CalmE3E3
2 days agoCalmCalmCalmCalmCalmW4NW3NW4CalmW4NW5CalmW4SW4W3SW4CalmCalmCalmCalmCalmCalmCalmCalm

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 La Crosse, WI (4,6,7,8)
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Ground Weather Radar Station La Crosse, WI
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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.