Friday, April3, 2020
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Marine Weather and Tides
Sergeant Bluff, IA

Version 3.4
NOTICE
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 7:01AMSunset 7:55PM Friday April 3, 2020 9:27 PM CDT (02:27 UTC) Moonrise 1:32PMMoonset 3:46AM Illumination 84% 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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7 Day Forecast for Marine Location Near Sergeant Bluff, IA
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location: 42.39, -96.34     debug


Area Discussion for - Sioux Falls, SD
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FXUS63 KFSD 032308 AFDFSD

AREA FORECAST DISCUSSION National Weather Service Sioux Falls SD 608 PM CDT Fri Apr 3 2020

SHORT TERM. (This Evening through Sunday Afternoon) Issued at 253 PM CDT Fri Apr 3 2020

Residual cloud cover from yesterday's system hanging around across the region with clearing beginning to work toward the James River. This, along with CAA, has kept temperatures well below normal with most struggling to make it out of the 20s.

Surface high pressure builds in overnight and will set up a rather chilly morning Saturday. Good radiational cooling will push lows into the teens for most.

Broad upper level ridging will keep the weekend fairly quiet with temperatures moderating into the mid 40s to mid 50s for Saturday and mid 50s to mid 60s for Sunday. If we can stay on the lower end of the spectrum as far as cloud cover, temperatures could be even a shade higher than forecast. Precipitation should be minimal, although a subtle mid level disturbance and push of mid level warm advection could bring a small chance Sunday night.

LONG TERM. (Sunday Evening through Friday) Issued at 253 PM CDT Fri Apr 3 2020

This trend continues into early next week as well with temperatures continue to push upwards. High temperatures in the 60s and 70s are expected for Monday and Tuesday and 850 mb temps sit in the 90th percentile of climatology. Will continue to advertise low end precipitation chances with guidance flagging decent instability, although still quite a bit of doubt that this will be utilized or even accessible.

Cold front works though for the second half of Tuesday and will send temperatures for the Wednesday onward back into the 50s to mid 60s. Chances for significant precipitation again appear low as our region is stuck in between a closed low digging into the desert SW with a northern stream trough running along the Canadian border. At this point, the main impacts from these systems look to avoid our region but certainly time for this to change.

AVIATION. (For the 00Z TAFS through 00Z Saturday evening) Issued at 607 PM CDT Fri Apr 3 2020

MVFR ceilings will exit the area by about 2z, leading to VFR conditions through the remainder of the period.

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

SHORT TERM . Kalin LONG TERM . Kalin AVIATION . 08


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sioux City, Sioux Gateway Airport, IA3 mi35 minN 1510.00 miOvercast27°F21°F81%1027.5 hPa

Link to 5 minute data for KSUX

Wind History from SUX (wind in knots)
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Last 24hrNW24
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1 day agoSE10SE11SE11SE11SE10SE9SE7NW15NW15NW13NW12NW14NW18NW14NW17NW21NW19
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2 days agoE11SE14SE8SE13SE15
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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 (22,6,7,8)
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Ground Weather Radar Station Omaha, NE
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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 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.