Monday, November30, 2020
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Marine Weather and Tides
Isle, 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 7:34AMSunset 4:36PM Monday November 30, 2020 9:15 PM CST (03:15 UTC) Moonrise 4:50PMMoonset 7:46AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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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LSZ145 Expires:202009030600;;239500 Fzus73 Kdlh 030501 Mwsdlh Marine Weather Statement National Weather Service Duluth Mn 1201 Am Cdt Thu Sep 3 2020 Lsz141>145-162-030600- 1201 Am Cdt Thu Sep 3 2020
.an area of Thunderstorms approaching western lake superior... The areas affected include... Duluth mn to port wing wi... Grand marais to taconite harbor mn... Lake superior west of a line from saxon harbor wi to grand portage mn beyond 5nm... Silver bay harbor to two harbors mn... Taconite harbor to silver bay harbor mn... Two harbors to duluth mn... At 1159 pm cdt, doppler radar indicated an area of Thunderstorms, capable of producing winds to around 30 knots. This area of Thunderstorms was located along a line extending from far northern st. Louis county southwest to around grand rapids, moving east at 50 knots. The area of Thunderstorms will approach the nearshore waters of the north shore of lake superior, including the duluth and superior harbor between 1 and 130 am cdt. Precautionary/preparedness actions... This area of Thunderstorms will likely produce winds up to 33 knots...and could pose a serious hazard for boaters. A special marine warning may eventually be required. Boaters should consider heading for shore before this storm arrives. && lat...lon 4668 9224 4681 9211 4714 9150 4758 9088 4773 9055 4777 9038 4669 9173 4666 9193 4666 9203 4671 9210 4665 9212 4668 9230
LSZ145


7 Day Forecast for Marine Location Near Isle, MN
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location: 46.14, -93.46     debug


Area Discussion for - Twin Cities, MN
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FXUS63 KMPX 302348 AFDMPX

Area Forecast Discussion National Weather Service Twin Cities/Chanhassen MN 548 PM CST Mon Nov 30 2020

UPDATE. Issued at 530 PM CST Mon Nov 30 2020

Updated for 00z aviation discussion below.

SHORT TERM. (This evening through Tuesday night) Issued at 249 PM CST Mon Nov 30 2020

The dry forecast continues for this upcoming week. Temperatures will be near or slightly above the seasonal average for early December, with highs in the mid 30s to near 40.

Early afternoon satellite imagery showed clear skies east of the Rockies and west of the Mississippi River. An area of surface high pressure was centered across the Upper Midwest. Winds were light out of the south on the western side of this ridge across western Minnesota. Winds were light and out of the north across western Wisconsin. Dewpoints were in the teens across the region.

The light winds, clear skies and dry air should allow temperatures to cool off tonight, so did got a bit lower than the mean guidance for the overnight low temperatures, closer to the 25th percentile.

On Tuesday winds will become more westerly, but dry conditions are expected. Highs will rebound into the mid-30s.

LONG TERM. (Wednesday through Monday) Issued at 249 PM CST Mon Nov 30 2020

No changes from the previous forecast. Model guidance is in good agreement with dry conditions the rest of the week. Winds will primarily be west/northwest which will limit any moisture across the region. However the upper level pattern will favor lee-side warming across the High Plains, and this modified warm air mass will keep temperatures above the seasonal average for early December.

AVIATION. (For the 00Z TAFS through 00Z Tuesday evening) Issued at 530 PM CST Mon Nov 30 2020

VFR conditions will continue through the TAF period. One possible exception is for the possibility of BR/FG in the morning, especially at KEAU, but looking at the forecast trends this is looking less likely so kept the mention out of the TAFs. Light southeast winds in western Minnesota will overspread the area tonight and tomorrow.

KMSP .

No additional concerns.

/OUTLOOK FOR KMSP/

Wed . VFR. Wind SW at 5 kts BCMG NW at 10 kts. Thu . VFR. Wind NW at 10 kts. Fri . VFR. Wind W 5-10 kts.

MPX WATCHES/WARNINGS/ADVISORIES. MN . None. WI . None.

UPDATE . CEO SHORT TERM . JRB LONG TERM . JRB AVIATION . CEO


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DULM5 - 9099064 - Duluth, MN 85 mi45 min WSW 4.1 G 5.1 22°F 1020.2 hPa15°F

Wind History for Duluth, MN
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mora Municipal Airport, MN20 mi20 minN 010.00 miFair14°F10°F85%1020 hPa

Link to 5 minute data for KJMR

Wind History from JMR (wind in knots)
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CalmN4N3CalmN3CalmCalmCalmNE3NW3SE3S3CalmCalmCalmCalmCalmCalmCalmCalm
1 day agoW6SW5SW5SW4SW5W3NW8
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2 days agoS3S3S3CalmCalmCalmS3SW4SW4SW4SW4SW5SW4SW5SW4SW6SW6SW5SW5SW6SW5SW5SW5SW5

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
Ground Weather Radar Station Duluth, MN
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weather_mapweather_map weather_map


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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 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.