Monday, March30, 2020
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Marine Weather and Tides
Palmyra, IL

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 6:45AMSunset 7:24PM Monday March 30, 2020 8:07 AM CDT (13:07 UTC) Moonrise 9:24AMMoonset 12:00AM Illumination 39% Phase: Waxing Crescent; Moon at 6 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 Palmyra, IL
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location: 39.42, -90.06     debug


Area Discussion for - St. Louis, MO
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FXUS63 KLSX 301049 AFDLSX

Area Forecast Discussion . Updated Aviation National Weather Service Saint Louis MO 549 AM CDT Mon Mar 30 2020

SHORT TERM. (Through Late Tuesday Afternoon) Issued at 420 AM CDT Mon Mar 30 2020

Mostly sunny conditions expected today with high temperatures similar to Sunday without the strong winds due to a relatively weak surface ridge over our area. Highs today will be about 5 degrees above normal. Will see increasing cloudiness tonight as upper level divergence strengthens ahead of an approaching upper level trough in the central Plains. Showers will spread into southeast MO around midnight as a surface low moves from the TX Panhandle region eastward into northwestern MS by 12Z Tuesday. The models continue to trend further south with the track of the surface low with the better low level forcing, low level moisture and instability south of the forecast area. The showers should be mainly across southeast MO and southwest IL late tonight and Tuesday morning. Could not rule out sprinkles further north from COU to STL to SLO. The highest QPF should be across southeast MO. The rain should shift east-southeast of the forecast area by Tuesday afternoon as the upper level trough moves into the TN Valley region. High temperatures will be cooler on Tuesday due to the cloud cover and northerly winds, up to about 10 degrees below normal for the end of March.

GKS

LONG TERM. (Tuesday Night through Sunday) Issued at 420 AM CDT Mon Mar 30 2020

A ridge of high pressure extending from the Great Lakes region southwest into MO will bring dry conditions to our area Tuesday night through Wednesday night with relatively cold low temperatures Tuesday night, slightly below normal. A warming trend will begin Wednesday afternoon as an upper level ridge moves eastward into the central US, and surface/low level winds become southerly by Wednesday night as the surface ridge shifts east of our area. Scattered showers may move into northeast and central MO Thursday afternoon and night as low level moisture increases over the region ahead of weak southwest flow shortwaves. The chance of showers will increase on Friday as a cold front moves slowly southeastward into our area as an upper level trough moves eastward into the northern Plains. This cold front will move slowly southeastward through our forecast area with most of the showers along and just behind the front. The models have some timing differences with the progression of this front with the operational GFS quicker than the ECMWF model. The showers should shift southeast of the forecast area by Saturday night.

GKS

AVIATION. (For the 12z TAFs through 12z Tuesday Morning) Issued at 544 AM CDT Mon Mar 30 2020

VFR and dry thru the period. A surface ridge is currently extending over the region with light and vrb winds. This ridge will help push any precip south of the terminals through the forecast period. Winds will become northeasterly tonight.

Tilly

LSX WATCHES/WARNINGS/ADVISORIES. MO . None. IL . None.

WFO LSX


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville Municipal Airport, IL26 mi32 minWSW 310.00 miFair38°F32°F79%1023.4 hPa

Link to 5 minute data for KIJX

Wind History from IJX (wind in knots)
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Last 24hrW18
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W8W8W8W7NW4N6W3SW4SW6SW3SW5SW3
1 day agoW7N9SE3E6SE6SE8SE10
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2 days agoE7NE4NE7E8NE10E11E11E14E9NE8E8E8E12E9SE13SE7SW10
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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 St. Louis, MO (9,2,3,4)
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Ground Weather Radar Station Central Illinois, IL
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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 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.