Sunday, April18, 2021
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Marine Weather and Tides
Boscobel, WI

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:14AMSunset 7:49PM Sunday April 18, 2021 3:57 PM CDT (20:57 UTC) Moonrise 9:14AMMoonset 12:25AM Illumination 43% Phase: First Quarter Moon; Moon at 7 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 Boscobel, WI
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location: 43.14, -90.7     debug


Area Discussion for - La Crosse, WI
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FXUS63 KARX 181838 AFDARX

Area Forecast Discussion National Weather Service La Crosse WI 135 PM CDT Sun Apr 18 2021

SHORT TERM. (Tonight through Tuesday) Issued at 135 PM CDT Sun Apr 18 2021

Cold front still on track to sweep eastward across the region this evening, with parent upper level shortwave trough lagging behind it. With saturation holding mostly post the front, so will the associated shower chances. Models a bit faster with this system, bringing the showers in early/mid evening. Higher chances/qpf still lies more northward where the added influence of the upper level energy will be felt. Could be more of a broken line of light pcpn locally, and what falls won't amount to much - around 1/10" or so.

While rainfall promises to be meager with the front, the cold air does not. There will be wintry feel to the air for the start of the new work week. 850 mb temps still looking to drop to around -8 C with NAEFS 850 mb temp anomalies nearing -2. Highs might not reach 40 for some Monday with freezing temps for lows expected into Thu morning.

The front will continue to sag southward Mon/Tue, and where it ends up continues to be of keen interest as it will be the focus for a (heavy) snow band. Latest EC and NAM runs look more like the GFS now, which favored a southern solution for front placement and eventual shortwave interaction. Bulk of the EC ensemble members favor this, as does the GFS. Could still see the northern fringes of the snow band clip parts of northeast IA/southwest WI, but confidence increasing that the local area will be spared the indignity of accumulating snows for late April. All said, something to keep an eye on.

LONG TERM. (Wednesday through Sunday) Issued at 135 PM CDT Sun Apr 18 2021

The GFS and EC remain in good agreement with sliding shortwave ridging a loft across the region for Thu/Fri, with a corresponding bump up in temperatures (expecting a return to near normal). The weekend holds the potential for various bits of shortwave energy to spin across the Upper Mississippi river valley. While models continue to be at odds in strength, positioning and timing, there is some agreement that later Fri into Sat could see some chances as ridges slides east and ripples in the flow work in. Will stay the course with the blend for chances.

AVIATION. (For the 18Z TAFS through 18Z Monday afternoon) Issued at 1202 PM CDT Sun Apr 18 2021

VFR conditions will continue this afternoon with west winds around 10 kts with some gusts to 20 kts. A strong cold front will shift winds to the NW this evening with a period of gusts up to 25-30 kts possible behind the front, and gusts around 20 kts continuing into Monday. A band of showers will also move through for a few hour period between 02Z and 07Z. MVFR ceilings will develop behind the front with potential for SCT/BKN MVFR ceilings to persist into Monday in the cooler air behind the front.

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

SHORT TERM . Rieck LONG TERM . Rieck AVIATION . JM


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boscobel, Boscobel Airport, WI2 mi64 minWSW 710.00 miMostly Cloudy65°F24°F21%1010.9 hPa
Prairie Du Chien Municipal Airport, WI24 mi62 minW 910.00 miMostly Cloudy62°F22°F22%1010.8 hPa

Link to 5 minute data for KOVS

Wind History from OVS (wind in knots)
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Last 24hrN6
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NW8N7NW3CalmCalmCalmCalmCalmSW3S3CalmSW3SW3SW3S3SW4W45W9
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1 day agoCalmNW5NW7NW7W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4NE644SE54--4
2 days agoN7NW75NW7N3CalmCalmCalmSW3CalmCalmCalmCalmCalmCalmSW3--CalmE3S4NE74NW9NW6

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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