Tuesday, September25, 2018 L-36.com


Marine Weather and Tides
Elba, MN

Version 3.4
What's New / NOTES
9/17/2018 XTide broke when 1and1 "upgraded" my server. It has been esculated. I am sorry for the problem.

Sunrise 6:56AMSunset 6:58PM Tuesday September 25, 2018 8:42 AM CDT (13:42 UTC) Moonrise 6:43PMMoonset 6:17AM Illumination 99% Phase: Full Moon; Moon at 15 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 Elba, MN
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location: 44.05, -92     debug


Area Discussion for - La Crosse, WI
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Fxus63 karx 251140
afdarx
area forecast discussion
national weather service la crosse wi
640 am cdt Tue sep 25 2018

Short term (today through tonight)
issued at 243 am cdt Tue sep 25 2018
current surface map has a cold front draped from western lake
superior through southeast mn and central ia. IR surface
observations showing a broken line of cumulus ACCAS along and ahead
of the boundary, but radar showing any shra was confined just north
of the forecast area over northern wi where better convergence and
moisture pooling resided.

Water vapor imagery rap 500mb analysis has a deep and dynamic mid-
level trough progressing eastward across the central CONUS with a
vigorous embedded shortwave at the base of the trough entering
western nebraska. This wave will move up along the frontal boundary
that will be pushed through northeast to southwest wi by this
afternoon. This wave will work in conjunction with right entrance
region of 300mb jet, and increasing 850mb moisture transport
instability of 1000-2000j kg MUCAPE (nam). In addition, 850-500mb
frontogenesis is looking fairly impressive as well. So, what does
all this mean? Showers and scattered storms will be the end result,
with a few of the storms possibly strong to severe from central to
southwest wi northeast ia. Skinny CAPE per bufkit combined with 0-
3km bulk shear of 30-40kt would suggest damaging wind being the main
threat. The highest threat area right now appears to be southeast of
a mauston wi-prairie du chien wi-oelwein ia line.

Mid-level trough pushes surface low and cold front east of the area
this evening, pushing any lingering showers storms east of the area
by later in the evening. Cold air advection then for the rest of
tonight with partial clearing. Plan on overnight lows in the upper
30s to the middle 40s.

Long term (Wednesday through Monday)
issued at 243 am cdt Tue sep 25 2018
breezy, cool and partly cloudy conditions will be seen Wednesday
with highs topping off only in the middle 50s to the lower 60s.

Another cold front swings through the region late Wednesday night
through Thursday resulting in scattered showers. Continued
unseasonably cool Thursday with highs in the upper 50s lower 60s.

Mid-level shortwave trough rotates through the region Thursday night
into Friday along the cold frontal boundary just to our south.

Isentropic upglide over the frontal boundary and mid-level
frontogenesis will produce a band of rain, but exact location not
determined yet. ECMWF would suggest almost all of our area would see
rain with the GFS suggesting mainly south of i-90. Either way, looks
like a rather raw day with highs only in the 50s.

Gfs and ECMWF push the bulk of the rain out by Saturday as high
pressure builds in from the northern plains. Otherwise, another
chilly day on tap under partial sunshine as highs top off in the 50s.

Cyclogenesis on the leeside of the rockies later Sunday into Monday
will push a warm front northward through the plains ia il.

Increasing moisture transport isentropic lift over this frontal
boundary will produce a good chance of showers for the area.

Aviation (for the 12z tafs through 12z Wednesday morning)
issued at 640 am cdt Tue sep 25 2018
lower stratus continues to gradually slide east in the wake of a
passing cold front this morning, with ceilings mainly MVFR at lse
and primarily ifr at rst expected through the afternoon hours. We
should see a batch of showers develop and move across much of the
region by late morning and into mid afternoon, with even a few
rumbles of thunder possible. In the wake of departing rain by
mid-late afternoon, a brief window of gustier northwest winds is
expected, with clouds then scattering out this evening and
overnight as drier air works into the area. However, could still
see some ceilings (mainlyVFR to high-end MVFR) at times for both
lse and rst, particularly later tonight with some hints of
additional thicker stratocumulus clouds arriving beneath quite
cool air aloft.

Arx watches warnings advisories
Wi... None.

Mn... None.

Ia... None.

Short term... Das
long term... Das
aviation... Lawrence


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Winona, Winona Municipal Airport-Max Conrad Field, MN16 mi48 minN 310.00 miOvercast59°F53°F82%1011.8 hPa

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Last 24hrSE8SE5E7SE6S6S5S7S6S3SE5S3CalmCalmCalmCalmSW6SW3SW3NW5NW5NW11NW7NW5NE4
1 day agoSE7SE7S6S3S4S4E8SE10SE11SE9SE6CalmS3SE5CalmCalmS4SE6S6CalmCalmCalmCalmCalm
2 days agoSE4SE6S5S5SE9S5SE9S6SW6CalmCalmCalmCalmCalmSE7CalmCalmCalmCalmCalmCalmCalmCalmSE4

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.
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Wind Forecast for La Crosse, WI (9,2,3,4)
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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.