Monday, October26, 2020
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Marine Weather and Tides
Rochester, MN

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:38AMSunset 6:09PM Monday October 26, 2020 4:45 AM CDT (09:45 UTC) Moonrise 3:37PMMoonset 1:28AM Illumination 72% Phase: Waxing Gibbous; Moon at 10 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 Rochester, MN
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location: 44.05, -92.49     debug


Area Discussion for - La Crosse, WI
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FXUS63 KARX 260731 AFDARX

Area Forecast Discussion National Weather Service La Crosse WI 230 AM CDT Mon Oct 26 2020

SHORT TERM. (Today through Tuesday) Issued at 230 AM CDT Mon Oct 26 2020

Light snow persisting across parts of the local area early this morning, mostly stretching from IA into southern/eastern WI. The responsible upper level shortwave trough was slipping southeast across northern parts of the region, and will continue this progress through the day. Light snow could linger for the early part of the morning for parts of NE IA/SW WI before sinking southeast. Minimal/if any additional accumulation expected.

A bitter cold start to the new work week, with a taste of December as we start to round out October. 850 mb temps as cold as -12 C with NAEFS 850 temps anomalies from -1.5 to -2 over today/Tue. Highs will be in the 30s, maybe peaking at 40 for a few locations. Meanwhile, tue morning still shaping up to bring the coldest temperatures of the young winter season - record to near record possible. That said, the EC trended warmer about 4 runs previous, and has stayed a bit more optimistic. NAM also leans toward the EC while the GFS is much colder. Blends a bit on the cool end too. Variable clouds, although trending toward clearing for most, but a fair amount of snow could/will be lost today even with relatively cold temps expected. So not sure we can rely on a clear night, snow cover to help crater temps. All that said, not going to stray too much from the blends for now. Honestly, it is going to be a cold start to the day Tue anyway you want to slice it.

LONG TERM. (Wednesday through Sunday) Issued at 230 AM CDT Mon Oct 26 2020

After the cold start to the week, trends in the models continue to favor moving to a more zonal upper level pattern, with long wave ridging even building in for the end of the weekend. A return to more normal, typical for season temps would result - potentially even above normal for a change. The EC has been trending this way for the past couple days, and the GFS may be catching on to more aggressive warming/ridge building too. Will side with model blends for now.

As for pcpn chances, the dry trend also continues in the EC and GFS. There is one potential rain/snow maker that could scoot across the far south with both the models kicking a shortwave trough out of the desert SW and across the OH River valley Thu. Something to monitor.

AVIATION. (For the 06Z TAFS through 06Z Monday night) Issued at 1155 PM CDT Sun Oct 25 2020

As the 300 mb right entrance region moves away from the area tonight, the snow will come to an end at KLSE. In addition, the MVFR clouds will move out too. Skies will become VFR at KLSE by 26.10z and remain that way through the remainder of the period. Skies will gradually clear at both TAF locations by late afternoon.

CLIMATE. Issued at 330 PM CDT Sun Oct 25 2020

Record Low Maximum La Crosse is forecast to have a high in the upper 30s Monday. Their record of 34 degrees for 10/26 was set in 1887. RST has a high of 32 forecast, but their record low max is 22 set in 1887.

Tuesday, the record low maximum is 29 set in 1925 for La Crosse and the forecast is 40. For RST, the record is 33 set in 1967 and 1933 and the forecast is 34.

Record Low Tuesday Morning At La Crosse, the record low of 17 was set in 1976 and the forecast is 20. At Rochester, the record low of 13 was set in 1936 and the forecast is 14.

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

SHORT TERM . Rieck LONG TERM . Rieck AVIATION . Boyne CLIMATE . Zapotocny


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rochester, Rochester International Airport, MN10 mi52 minWNW 710.00 miMostly Cloudy21°F19°F92%1028.9 hPa
Dodge Center Airport, MN18 mi51 minWNW 710.00 miFair21°F19°F93%1026.7 hPa

Link to 5 minute data for KRST

Wind History from RST (wind in knots)
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Last 24hrNE8N8N10NE7N9NE8N8N9N8N8N8N8N11N9N10NW8N7NW8NW9NW9NW8NW8NW8NW7
1 day agoW6W5W5W6NW5NW5N6N8N9N12N9N9NE8N7NE5NE5NE4NE4N7N8NE6NE5NE4NE7
2 days agoN14N13
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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
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.