Marine Weather and Tides
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 6:27AM||Sunset 5:54PM||Friday March 5, 2021 7:03 PM CST (01:03 UTC)||Moonrise 12:43AM||Moonset 10:10AM||Illumination 52%|
7 Day Forecast for Marine Location Near New Lisbon, WIHourly EDIT Help
Area Discussion for - La Crosse, WI  (on/off)  Help NOTE: mouseover dotted underlined text for definition
FXUS63 KARX 052327 AFDARX
Area Forecast Discussion National Weather Service La Crosse WI 527 PM CST Fri Mar 5 2021
SHORT TERM. (This evening through Saturday) Issued at 210 PM CST Fri Mar 5 2021
A continuation of the quiet weather pattern will occur through Saturday. As the upper level low over the lower Mississippi River Valley moves east, the upper level ridge over the Rockies will slowly edge east. This will allow for heights to creep upward over the Upper Midwest with a large area of surface high pressure covering the region. The remaining cloud cover over the area this afternoon will slip to the south allowing for mostly clear skies overnight and plenty of sunshine Saturday. High temperatures Saturday are expected to be at or above the 75th percentile of model solutions with widespread 40s and a few spots hitting 50.
LONG TERM. (Saturday night through Friday) Issued at 210 PM CST Fri Mar 5 2021
Surface high pressure slides off to the east Saturday night with winds becoming more southerly by Sunday afternoon and a ridge moving into place aloft. A weak shortwave lifting to the northeast through northern Minnesota into Ontario may introduce some cloud cover, mainly to the northern portions of the region. As ridging aloft dominates over much of the central CONUS, warm conditions continue through mid week with afternoon temperatures reaching 10 to 20 degrees higher than the seasonable normals. Records across the region may be tied or even broken early next week. Tuesday is expected to be the warmest day for the area. As surface lapse rates steepen by the afternoon, temperatures could easily be overachieved with the additional compressional heating. NAEFS/ECMWF ENS standardized anomalies for 850 mb temperatures are near 2 standard deviations above the climatological mean. Under these favorable conditions, afternoon high temperatures have been increased closer to the 75th percentile of the blended model guidance. It is typical for this time of year as the snowpack continues to diminish, that surface temperatures typically exceed model guidance under these favorable conditions. Again, will have to watch out for cloud cover that would limit the amount of direct solar heating.
Rain chances increase Tuesday night into Wednesday with plenty of moisture advecting into the area from the south and a surface warm front lifting northward trough the region. GEFS plumes and deterministic model guidance are showing CAPE values in the 50 to 200 J/kg range across the region by Wednesday afternoon. Forecast soundings are showing a 'warm nose' layer around 800 to 700 mb that would need to be overcome for thunderstorm chances to become possible, which would be more likely by Wednesday afternoon as lapse rates steepen. Although, not expecting severe storms. With this first widespread rainfall across the region this season, this would wash off some dirt and grime following the decent snow-melting days and bring that lovely springtime petrichor smell to the air. As for rainfall amounts, GEFS plumes show mean QPF values across the region around 0.25" and less with PW values nearing 1.0".
As the proceeding cold front dives through the area on Thursday, some precipitation chances linger for portions of the region. Some snow chances mix in for areas to the north as cold air filters into the region. Temperatures return closer to the seasonable normals by Friday.
AVIATION. (For the 00Z TAFS through 00Z Saturday evening) Issued at 527 PM CST Fri Mar 5 2021
Pesky area of mid level moisture /700-800 mb/ continues to generate VFR ceilings across much of the area but RAP trends continue to push this out of the area this evening leading to mostly clear conditions. As upper ridging continues to build in, expect some high clouds to stream through on Friday but overall VFR flight rules can be expected.
Cooler temperatures this afternoon west of the Mississippi River could raise fog risk overnight with such light flow and expected clearing skies so will keep an eye on trends. Far too dry of an airmass most areas but T/Td spreads lower where clouds have persisted and bit of snow pack still exists.
ARX WATCHES/WARNINGS/ADVISORIES. WI . None. MN . None. IA . None.
SHORT TERM . 04 LONG TERM . Peters AVIATION . Shea
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|Volk / Camp Douglas, WI||11 mi||67 min||WNW 5||10.00 mi||Partly Cloudy||37°F||22°F||54%||1028.1 hPa|
Link to 5 minute data for KVOK
Wind History from VOK (wind in knots)
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