Marine Weather and Tides
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 6:00AM||Sunset 8:07PM||Friday August 14, 2020 3:50 AM CDT (08:50 UTC)||Moonrise 12:14AM||Moonset 4:00PM||Illumination 21%|
7 Day Forecast for Marine Location Near Delwood, WIHourly EDIT Help
Area Discussion for - La Crosse, WI  (on/off)  Help NOTE: mouseover dotted underlined text for definition
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
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|Volk / Camp Douglas, WI||14 mi||54 min||N 0||1.88 mi||Fog/Mist||56°F||56°F||100%||1017.9 hPa|
Link to 5 minute data for KVOK
Wind History from VOK (wind in knots)
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|2 days ago||Calm||Calm||Calm||Calm||Calm||W||NW||NW||Calm||W||NW||Calm||W||SW||W||SW||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm|
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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.
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Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for La Crosse, WI (4,6,7,8)(on/off)  Help
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