Marine Weather and Tides
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
|Sunrise 7:26AM||Sunset 4:58PM||Monday December 11, 2017 3:26 AM CST (09:26 UTC)||Moonrise 12:59AM||Moonset 1:32PM||Illumination 45%|
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7 Day Forecast for Marine Location Near Merriam, KSHourly EDIT Help
Area Discussion for - Kansas City/Pleasant Hill, MO  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxus63 keax 110511|
area forecast discussion
national weather service kansas city pleasant hill mo
1111 pm cst Sun dec 10 2017
Issued at 237 pm cst Sun dec 10 2017
benign weather conditions will continue to dominate throughout
this forecast period given the overarching pattern that remains
locked tightly in place. There are hints that the ridge in the
west and trough in the east will loosen their grips over their
respective regions by next weekend, but in spite of this change,
it doesn't look to be enough to give the local area any decent
chances at precipitation. As a result of this dry pattern the area
has been trapped in, in addition to the time of year it currently
is, dry, dead dormant vegetation is abundant. This fact, coupled
with the weather conditions expected to setup tomorrow, will yield
an elevated fire weather risk. See the fire weather discussion
below for more details.
As for temperatures, normal highs are typically in the lower 40s
this time of year, with normal lows in the lower to middle 20s.
Other than Tuesday and Thursday, temps look to primarily be above
average for the next week.
Aviation (for the 06z tafs through 06z Monday night)
issued at 1106 pm cst Sun dec 10 2017
the primary impact through the forecast period will be in the form|
of strengthening low level and surface winds beginning Monday
morning, particularly during the afternoon hours. Northwesterly
sustained winds will approach 15 to perhaps 20 kts, with gusts up
to 35 to 40 kts during the afternoon. Gusts should begin to
slacken near sunset, though increased sustained winds will persist
through the remainder of the period.
Issued at 237 pm cst Sun dec 10 2017
conditions tomorrow will come together for there to be an elevated
to potentially significant fire weather risk, especially given the
abundance of dry fuels available. Sustained winds tomorrow will
range from about 20 to 30 mph, with gusts reaching and exceeding
35 mph. Relative humidity values appear to bottom out primarily in
the lower 30 percent range, but there is a possibility that
portions of the forecast area could see even lower values,
especially across eastern kansas into central missouri. Given the
combination of the aforementioned conditions, there could be a
rapid spread of fires tomorrow afternoon.
Eax watches warnings advisories
fire weather... Lg
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports
|Olathe, Johnson County Executive Airport, KS||9 mi||34 min||SW 7||10.00 mi||Fair||38°F||21°F||51%||1017.7 hPa|
|Kansas City, Kansas City Downtown Airport, MO||11 mi||33 min||NW 3||10.00 mi||Fair||31°F||25°F||79%||1017.5 hPa|
|Olathe, New Century Aircenter, KS||14 mi||34 min||SW 7||10.00 mi||Fair||37°F||21°F||52%||1017.8 hPa|
|Lee's Summit, Lee's Summit Municipal Airport, MO||17 mi||34 min||SW 8||10.00 mi||Fair||40°F||21°F||49%||1017.5 hPa|
|Kansas City, Kansas City International Airport, MO||24 mi||34 min||SSW 8||10.00 mi||Fair||33°F||21°F||61%||1016.8 hPa|
Wind History from OJC (wind in knots)
|1 day ago||NW||NW||N|
|2 days ago||S||S||SW||S||S||SW||SW||SW||SW||W||W||W||W||Calm||W||W||NW||NW||NW||W||W||W||W||NW |
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Weather Map and Satellite Images(on/off)  Help
|Weather Map ||IR Satellite Image from GEOS|
GOES Local Image of Midwest EDIT
Wind Forecast for Kansas City/Pleasant Hill, MO (4,6,7,8)(on/off)  Help
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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.