Thursday, December5, 2019
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Marine Weather and Tides
Aurelia, IA

Version 3.4
NOTICE
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.
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 7:37AMSunset 4:54PM Thursday December 5, 2019 2:27 PM CST (20:27 UTC) Moonrise 1:51PMMoonset 12:43AM Illumination 65% Phase: Waxing Gibbous; Moon at 9 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 Aurelia, IA
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location: 42.73, -95.36     debug


Area Discussion for - Sioux Falls, SD
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FXUS63 KFSD 051726 AFDFSD

AREA FORECAST DISCUSSION National Weather Service Sioux Falls SD 1126 AM CST Thu Dec 5 2019

SHORT TERM. (Today and Tonight) Issued at 401 AM CST Thu Dec 5 2019

Shallow ground fog will continue through mid-morning, as winds remain very light and clear skies allow for continued radiational cooling. Temperatures below freezing and a very shallow moisture layer have limited the extent of fog, with the Buffalo Ridge in southwest Minnesota being the location most likely to see continued areas of fog through sunrise.

High temperatures will again be mild today ahead of a cold front which moves through later tonight. The pressure gradient will increase throughout the day, with winds shifting to northwesterly and becoming breezy this evening, gusting 25 to 35 mph. The parent weather system which brings this cold front through will be very moisture-starved, so no precipitation is expected. Overnight low temperatures will be notably colder than in previous nights despite some cloud cover with single digit readings likely in southwest Minnesota.

LONG TERM. (Friday through Wednesday) Issued at 401 AM CST Thu Dec 5 2019

The Canadian surface high over the region on Friday will keep temperatures below freezing for most. The quiet northwest flow pattern that the area has been under the past several days will begin to change subtly this weekend as the flow aloft becomes more westerly. Near the surface, winds become southerly on Saturday on the back side of the high pressure heading off to the east. This will allow for a couple more days of very mild temperatures region- wide before a big change comes Sunday night into Monday.

An amplified ridge over West Coast will help force a northerly jet stream over the Rockies on Sunday night. A well-defined shortwave on the nose of this jet will bring a round of widespread light snow to the Northern Plains Sunday night into Monday morning. Given the cold nature of the air mass in place when this shortwave moves through, high SLRs are likely, which would result in fluffier and more blowable snow than with past systems this winter. Brisk north winds gusting 25 to 35 mph on Monday afternoon may be enough to loft this snow, causing some blowing and drifting issues for those traveling. Temperature-wise, Monday will mark the beginning of severals day with well below average temperatures. Reinforcing shots of cold air are brought southward as shortwaves move along the western side of a deep longwave trough over the Great Lakes. Single digit highs are possible Tuesday, which currently looks to be the coldest day of the next seven. Overnight temperatures in the negative single digits will be good reason to dress warmly. There is low confidence on when warmer air may return, with models diverging notably in how quickly they bring a return to westerly flow aloft: varying from next Thursday to next Sunday.

AVIATION. (For the 18Z TAFS through 18Z Friday afternoon) Issued at 1115 AM CST Thu Dec 5 2019

Low clouds/stratus over North Dakota and northern South Dakota will continue to move southeast into the region this afternoon. This will result in MVFR to IFR ceilings at all terminals through late night. Conditions improve with VFR ceilings through the end of the period.

Light west winds shift to the north-northwest with gusts up to 20 knots this afternoon.

FSD WATCHES/WARNINGS/ADVISORIES. SD . NONE. MN . NONE. IA . NONE. NE . NONE.

SHORT TERM . VandenBoogart LONG TERM . VandenBoogart AVIATION . 05


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cherokee, Cherokee Municipal Airport, IA10 mi33 minW 610.00 miFair46°F38°F75%1010.8 hPa
Storm Lake, IA11 mi33 minWSW 1010.00 miFair48°F39°F71%1009.5 hPa

Link to 5 minute data for KCKP

Wind History from CKP (wind in knots)
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Last 24hrNW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS4S6W3SW7NW7
1 day agoW7NW7W4CalmCalmSW5W5W6
G14
W5W4W4W5CalmSW4W3CalmS3CalmW3W4W8W9NW4NW5
2 days agoS9S7S8S6S6SW5SW10SW12SW8W7W5SW4CalmW5W5S4CalmS3CalmW7W9
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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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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
Wind Forecast for Sioux Falls, SD (15,3,4,5)
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Ground Weather Radar Station Des Moines, IA
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weather_mapweather_map weather_map

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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.