Thursday, January17, 2019 L-36.com


Marine Weather and Tides
Superior, WI

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:45AMSunset 4:51PM Thursday January 17, 2019 11:06 AM CST (17:06 UTC) Moonrise 1:38PMMoonset 3:53AM Illumination 88% Phase: Waxing Gibbous; Moon at 11 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:201810032115;;190874 Fzus73 Kdlh 032048 Mwsdlh Marine Weather Statement National Weather Service Duluth Mn 348 Pm Cdt Wed Oct 3 2018 Lsz143>146-162-032115- 348 Pm Cdt Wed Oct 3 2018
.a Thunderstorm over western lake superior... The areas affected include... Duluth mn to port wing wi... Lake superior west of a line from saxon harbor wi to grand portage mn beyond 5nm... Port wing to sand island wi... Silver bay harbor to two harbors mn... Two harbors to duluth mn... At 348 pm cdt, doppler radar indicated a Thunderstorm, capable of producing winds to around 30 knots and frequent cloud to water lightning. This Thunderstorm was located near duluth lift bridge channel, moving east at 65 knots. Locations impacted include... French river, herbster, and barkers island. Precautionary/preparedness actions... Mariners can expect gusty winds to around 33 knots...locally higher waves...lightning strikes...and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. && a tornado watch remains in effect until 1100 pm cdt for northwestern wisconsin...and the adjacent waters of lake superior. Lat...lon 4691 9192 4710 9132 4683 9115 4682 9119 4683 9121 4681 9127 4671 9205 4681 9210
LSZ145


7 Day Forecast for Marine Location Near Superior, WI
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location: 46.71, -92.01     debug


Area Discussion for - Duluth, MN
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Fxus63 kdlh 171135
afddlh
area forecast discussion
national weather service duluth mn
535 am cst Thu jan 17 2019

Short term (today through Friday)
issued at 324 am cst Thu jan 17 2019
continued cold with a short wave missing us to the north keeping
the area dry with the exception of the south shore of lake
superior east of ashland. Delta t's in this cold air mass and
northerly winds with an open lake will likely kick up some snow
showers along the south shore. Not sure how far west they will
extend, but that is about the only pops with one exception. Even
further south in price county wi, a passing system to our south
will potentially clip some pops into the area. All said in done,
accumulations will be less than an inch in even the heaviest lake
effect areas. Also may see a few snowflakes in the air today in
the cold air mass with a stratus deck encroaching from the west.

Wind chills tonight will be chilly yet again, so issued a wind
chill advisory for wind chills dropping into the -25 to -35 f
range across NE mn late tonight into Friday morning.

Long term (Friday night through Wednesday)
issued at 324 am cst Thu jan 17 2019
the northland will be entrenched in frigid arctic for the
weekend, but the weather will moderate a bit after the weekend.

The northland will be under northerly wind flow Friday night
through Saturday night with an area of high pressure to the north
and west. Temperatures will be well below normal. Overnight
temperatures will below zero, and even 20 to 30 degrees below zero
across northern minnesota Friday night and again Saturday night.

High temperatures will manage to get above zero across northwest
wisconsin over the weekend, but remain below zero across northern
minnesota. Expect dangerous wind chills of 25 to 40 below zero
across central, north- central, and northeast minnesota Friday
night and Saturday night, and with the wind speeds around 5 mph.

Saturday night will be bit worse than Friday night because of a
bit more wind. There will be light lake effect snow showers
downwind of lake superior in northern wisconsin over the weekend,
too. Significant accumulation is unlikely.

The high pressure will be over far northwest ontario Sunday morning,
but shift east into quebec through Monday. The core of the coldest
air will shift east with it. Sunday night will be another cold night
with dangerous wind chills from central into northeast minnesota.

Temperatures should moderate a bit Monday with highs mostly in the
teens. Passing low pressure could bring light snow Monday into
Monday night. Another wave of arctic air will likely follow up the
snow Tuesday, but there are model disagreements on how cold that air
will be. We have forecast highs in the teens Tuesday and Wednesday,
but we need to lower that forecast if models come into better
agreement.

Aviation (for the 12z tafs through 12z Friday morning)
issued at 531 am cst Thu jan 17 2019
overall, should be aVFR day. Clouds are moving in from the west,
as a pair of systems splits around our forecast area. This may
float some MVFR through, but not counting on it. An exception
would be hyr where satellite imagery shows a deck of MVFR skirting
the area and will likely flirt with the site through mid to late
morning.

Preliminary point temps pops
Dlh 13 -11 3 -15 0 0 0 0
inl 8 -22 -7 -28 10 0 0 0
brd 13 -11 4 -16 0 0 0 0
hyr 20 -7 10 -4 10 0 0 0
asx 19 -2 9 -1 10 10 10 20

Dlh watches warnings advisories
Wi... None.

Mn... Wind chill advisory from midnight tonight to noon cst Friday for
mnz010>012-018>021-025-026-035-037.

Ls... None.

Short term... Wolfe
long term... Grochocinski
aviation... Wolfe


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DULM5 - 9099064 - Duluth, MN 6 mi37 min WNW 1.9 G 7 13°F 1020.3 hPa-6°F
PKBW3 7 mi127 min S 1 1°F 1021 hPa (-1.0)-3°F

Wind History for Duluth, MN
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Duluth - Sky Harbor Airport, MN2 mi12 minno data10.00 miPartly Cloudy14°F-4°F44%1020.3 hPa
Richard I. Bong Airport, WI5 mi12 minW 310.00 miOvercast10°F0°F64%1020.7 hPa
Duluth International Airport, MN13 mi12 minN 910.00 miPartly Cloudy10°F-4°F53%1021.7 hPa

Wind History from DYT (wind in knots)
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Last 24hr------------------------------------------------
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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wmap_A
GOES Local Image of GreatLakes    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
Wind Forecast for Duluth, MN (12,3,4,5)
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Ground Weather Radar Station Duluth, MN
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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 numerious 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.