Friday, August23, 2019 L-36.com


Marine Weather and Tides
Nelson, WI

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:17AMSunset 8:02PM Friday August 23, 2019 5:02 PM CDT (22:02 UTC) Moonrise 11:10PMMoonset 1:15PM Illumination 41% Phase: Third Quarter Moon; Moon at 23 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 Nelson, WI
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location: 44.46, -92     debug


Area Discussion for - Twin Cities, MN
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Fxus63 kmpx 231930
afdmpx
area forecast discussion
national weather service twin cities chanhassen mn
230 pm cdt Fri aug 23 2019

Short term (this evening through Saturday night)
issued at 215 pm cdt Fri aug 23 2019
little change in pattern through Saturday night. Highs pressure
will remain in control keeping area dry and slightly below
normal temperature wise.

Another cool night with light winds and clearing sky. Should see
lows tonight drop into the upper 40s far east and 50s generally
elsewhere.

High pressure will retreat slowly over the northeast CONUS by
Sunday morning. Southeast winds will increase over the west
Saturday ahead of the incoming upper trough and pressure falls.

Expect more diurnal cumulus much of the area Saturday but
shouldn't limit afternoon highs warming through the mid upper 70s.

Still most deterministic models trending slower with incoming
dakotas trough. Will hold onto a slight chance pop far west
central CWA after 09z Sunday.

Long term (Sunday through Friday)
issued at 215 pm cdt Fri aug 23 2019
the overall focus in the extended forecast continues on mainly the
Sunday night thru Monday timeframe for fairly widespread rain
across the area while temperatures start out near normal in the
first half of the week then drop to below climatological norms in
the latter half.

To start out Sunday, high pressure will be centered over new
england, underneath a definitive upper level ridge over the
northeast conus. A weaving cold front will extend southwest from
hudson bay into northeastern mt into northwestern wy. A pair of
identifiable low pressure centers over the western dakotas will
merge over the weekend, aiding the cold frontogenesis. An upper
level trough will continue to lumber its way eastward Sunday night
into Monday, sitting atop the upper mississippi river by daybreak
Monday. The cold front will trail the upper level feature a bit,
moving into western mn early Monday. Deep moisture will accompany
these surface and upper features, some from the pacific with the
trough and some from the deep south in the low-to-mid levels in
advance of the systems. This will all contribute to the
development of fairly widespread showers with some thunderstorms
spreading east across mn wi mainly Sunday night through most of
Monday. Sufficient dynamics along with the steady progression of
this system should allow QPF to easily reach 1-2" for much of the
wfo mpx coverage area during this event.

This cold front will move into wi late Monday then across the
great lakes Monday night into Tuesday, away from the coverage
area and bringing an end to the main rain threat of the extended
forecast. A secondary cold front looks to drop south through mn wi
during the middle of next week but this front will be rather
progressive, have much less moisture available and not have any
impressive upper level support for much in the way of
precipitation.

That being said, the cold front for next week does look to bring
in noticeable cold air advection with is passage. This means
that below normal temperatures will very likely be realized for
the latter half of next week.

Aviation (for the 18z tafs through 18z Saturday afternoon)
issued at 1150 am cdt Fri aug 23 2019
persistent band of low level moisture remains trapped under
subsidence inversion affecting mainly eastern area. Brief period
of lower end MVFR across southern metro lifting quickly through
18z. Will mention sct-bkn scenario but will maintainVFR through
period. Diurnal trend in clouds should clear through 03z. Then
some high clouds possible over the west as dakotas trough slowly
approaches. More diurnal cumulus expected Saturday as well.

Increasing SE winds into Saturday morning with gusts around 30kts
possible by 18z Sat at kaxn krwf.

Kmsp... No additional concerns.

Outlook for kmsp
sat night...VFR. Wind SE 10 kts.

Sun... MVFR ifr psbl. Chc of pm -tsra. Wind SE 10g20 kts.

Mon... MVFR psbl. -tsra likely. Wind S 10-15 kts.

Mpx watches warnings advisories
Wi... None.

Mn... None.

Short term... Dwe
long term... Jpc
aviation... Dwe


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Red Wing - Red Wing Regional Airport, WI27 mi67 minSE 710.00 miFair75°F46°F36%1022 hPa

Link to 5 minute data for KRGK

Wind History from RGK (wind in knots)
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Last 24hrNE6N5NE3NE3NE6--NE5--E4E3E5E4E5E4E4E5SE8SE10
G14
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1 day agoW4N3CalmN4NW3Calm----CalmCalmCalmCalmCalmN3CalmNW3W4CalmNW6N4N5N6NE5N7
2 days agoNW3CalmCalmCalmCalm------N8--W3CalmN3NW4--W3CalmNW6N8N5N5N5N4NW4

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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GOES 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
Wind Forecast for Twin Cities, MN (18,4,5,8)
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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 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.