Monday, December16, 2019
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Marine Weather and Tides
Yuba, WI

Version 3.4
NOTICE
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.
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 7:30AMSunset 4:30PM Monday December 16, 2019 7:19 AM CST (13:19 UTC) Moonrise 9:23PMMoonset 11:13AM Illumination 77% Phase: Waning Gibbous; Moon at 19 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 Yuba, WI
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location: 43.58, -90.42     debug


Area Discussion for - La Crosse, WI
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FXUS63 KARX 161104 AFDARX

Area Forecast Discussion National Weather Service La Crosse WI 500 AM CST Mon Dec 16 2019

SHORT TERM. (Today and tonight) Issued at 219 AM CST Mon Dec 16 2019

Early morning analysis showed some light snow and flurries associated with some mid-level frontogenesis continuing to push off to the east. Behind that, an expansive stratus deck was working into the area and will remain over the area through much of the day, as a pretty good inversion remains in place above it. Clouds will begin to push off to the southeast this afternoon and evening as a brief period of surface ridging builds in. However, more clouds will build in from the northwest overnight ahead of a shortwave trough approaching the area. For that reason, low temperatures tonight will be a little tricky. Exact timing of the return of cloud cover will have a large impact. For now, thinking most areas will stay above 0, with clouds arriving into the northwest half of the forecast area in the 6Z to 9Z time frame. However, any delay in clouds moving in would lead to temperatures quite a bit cooler than forecast, including -5 to -10 or so in the favored cold spots of central Wisconsin.

LONG TERM. (Tuesday through Sunday) Issued at 219 AM CST Mon Dec 16 2019

Another shot of cold air will begin to move in on Tuesday as the upper level shortwave trough and a surface cold front slide through the region. Looking like some pretty good PV advection along with a decent mid-level frontogenesis signal north of Interstate 94, so could see some light snow Tuesday afternoon. Model soundings do show that there will some issues with deep, consistent saturation, but plenty of GEFS members show at least some light QPF, so introduced some low-end precip chances.

Following the potential precip, northwest flow will bring in the aforementioned cold air, with lows generally bottoming out in the -10 to 5 degree range, though the favored cold spots could be even colder. Highs on Wednesday will range from the single digits above 0 north of Interstate 94, to the teens and lower 20s to the south.

Beyond that, the remainder of the long term period looks quiet with a warming trend as upper level ridging builds in. There are some hints at another shortwave trough along with an associated surface low bringing some light precip to the area sometime Friday, but with the amount of model spread at this point, confidence is pretty low on how that will pan out. Otherwise, look for widespread highs in the 30s by the weekend, with perhaps some 40s getting into northeast Iowa and southwest Wisconsin.

AVIATION. (For the 12Z TAFS through 12Z Tuesday morning) Issued at 500 AM CST Mon Dec 16 2019

Cigs: mvfr cigs moving in early this morning, associated with an approaching upper level trough. Some hints that sub 1kft could be realized at KRST, but mostly expect 1-2kft for the better part of the day. Trends favor slipping this south this evening, with SCT/SKC conditions for much of the night. Mid/low deck then returns toward 12z, with MVFR looking likely by Tue afternoon.

WX/vsby: no impacts expected at this time. That said, RAP soundings point to deepening saturation already Tue morning, with low level thermodynamics providing some weak lift. Freezing drizzle/flurries could result. Something to monitor.

Winds: shifting to the west this morning and mostly holding there through tonight . light to less than 10 kts.

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

SHORT TERM . CA LONG TERM . CA AVIATION . Lawrence


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Viroqua Municipal Airport, WI25 mi25 minSSW 710.00 miOvercast17°F16°F97%1021.7 hPa

Link to 5 minute data for KY51

Wind History from Y51 (wind in knots)
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Last 24hrCalmNW4CalmCalmCalmN3CalmCalmCalmCalmCalmCalmCalmSW4SW3CalmCalmCalmCalmCalmW4NW5S3S6
1 day agoNW9NW11
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2 days agoCalmE4CalmCalmS5S4SE4SE4SE4SE6S4S3CalmW5W5NW8W6NW5W5NW7NW9NW10NW7NW9

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS 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 La Crosse, WI (8,2,3,4)
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Ground Weather Radar Station La Crosse, WI
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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.