Sunday, December15, 2019
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Marine Weather and Tides
Prairie Village, KS

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 7:28AMSunset 4:58PM Sunday December 15, 2019 5:24 AM CST (11:24 UTC) Moonrise 8:40PMMoonset 10:35AM Illumination 86% Phase: Waning Gibbous; Moon at 18 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 Prairie Village, KS
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location: 39, -94.63     debug


Area Discussion for - Kansas City/Pleasant Hill, MO
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FXUS63 KEAX 150936 AFDEAX

AREA FORECAST DISCUSSION National Weather Service Kansas City/Pleasant Hill MO 336 AM CST Sun Dec 15 2019

Discussion. Issued at 329 AM CST SUN DEC 15 2019

A winter storm will impact the region over a two day period in two rounds, the first of which will occur this morning through the afternoon, the second of which will arrive Monday morning through the afternoon/evening time frame. Have increased forecast snowfall accumulations up to the 5 to 7 inch range, generally along an axis from the Missouri River to Highway 50, including the Kansas City area. Overall ice accumulations should be limited to around a tenth of an inch or less, mainly focused south of I-70. Have issued a Winter Storm Warning for areas along the Missouri River and points south, beginning this morning until Monday evening for accumulating snowfall up to 7 inches, with locally higher amounts possible. A Winter Weather Advisory is in effect for areas across northeast Kansas and northern Missouri, for accumulating snowfall in the 2 to 4 inch range through Monday.

The mid to upper-level storm system moved inland Saturday evening and is now working closer to the Four Corners as of early Sunday morning. Areas of light precipitation are noted on radar imagery within an area of broad and weak ascent ahead of the deepening upper-level trough axis. Cloud bases remain high as of early Sunday morning, thus not anticipating much precip reaching the surface initially, though this mid-level activity will help to saturate and prime the column before shortwave energy begins to work its way into the area this afternoon. For this morning, will see increasing precip chances by the mid to late morning across the area. With the cold air mass already in place, road temps are currently in the 28 to 30 degree range and untreated and elevated surfaces will quickly become slick once snowfall commences. Expecting to see up to an inch across most of the area before noon, while the peak window for activity today will be from noon to 6 pm. At that time, seeing signals for strong forcing in the mid-levels and perhaps a convective element, to support high snow rates along an axis extending from eastern Kansas through eastern Missouri. The exact location of where this band of potential heavy snowfall sets up is of course prone to shifting, though currently thinking areas south of the Missouri River and north of Highway 50 may see afternoon snowfall totals in the 3 to 4 inch range. Roadways will quickly become hazardous if untreated, and high snow rates will lead to reductions in visibility during peak weekend travel periods. This evening, the loss of cloud ice will cause snow to transition to freezing rain/freezing drizzle for areas mainly south of Highway 36, though overall precip chances will begin to wane overnight. The main threat at this point will be with accumulating ice up to a tenth of an inch for areas south of I-70.

The second round of wintry precip will arrive Monday morning as the main mid to upper-level trough moves into the Central Plains. This round appears to be less intense than what models previously suggested, though additional mid-level forcing for widespread precip will add to existing complications from Sunday. Precip will transition back to snow as moisture availability deepens and cloud ice returns. The peak window of activity Monday will be from the mid- morning through the mid-afternoon hours, possibly affecting both the morning and evening commutes. Snow rates should not be as high as compared to Sunday, though by this point accumulating snowfall will begin to approach the 5 to 7 inch mark, with some areas possibly seeing higher amounts where snow banding develops. The other consideration in all of this is that temperatures will remain below freezing throughout the event. Thus, travelers who may become stranded could be exposed to wind chills near 20 degrees both Sunday and Monday afternoons.

Precip will finally come to an end Monday evening, with dry conditions returning for the remainder of the work week. Temperature trends will slowly rebound beginning Tuesday and will continue the upward climb through the weekend.

Aviation. (For the 06Z TAFS through 06Z Sunday Night) Issued at 1117 PM CST SAT DEC 14 2019

VFR conditions will quickly deteriorate as a winter storm approaches the region this morning. Light snow will start over the area around sunrise, but visibility and ceilings should stay VFR until the higher snow rates move into the area in the late morning. These higher snow rates will result in IFR to LIFR visibilities and IFR ceilings. The heaviest snowfall rates and lowest visibility will move into the area in the 16-22Z timeframe with 1/2SM visibility possible at times. The snow will start to tapper off around 23-00Z which will improve visibility, but ceilings look to stay around IFR, except for up near KSTJ where they may lift to MVFR. Freezing drizzle still looks to be a potential issue from 00-04Z, but should be contained to areas along and south of the Missouri River with KMCI being just north of that threat.

EAX WATCHES/WARNINGS/ADVISORIES. KS . Winter Storm Warning until 6 PM CST Monday for KSZ057-060- 103>105.

Winter Weather Advisory until 6 PM CST Monday for KSZ025-102.

MO . Winter Storm Warning from 9 AM this morning to midnight CST Monday night for MOZ030>033-038>040-044>046-054.

Winter Storm Warning until 6 PM CST Monday for MOZ028-029-037- 043-053.

Winter Weather Advisory until 6 PM CST Monday for MOZ001>006- 011>013-020-021.

Winter Weather Advisory from 9 AM this morning to midnight CST Monday night for MOZ007-008-014>017-022>025.



Discussion . Welsh Aviation . Barham


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kansas City, Kansas City Downtown Airport, MO8 mi31 minNE 510.00 miOvercast25°F16°F69%1018.1 hPa
Olathe, Johnson County Executive Airport, KS12 mi32 minENE 410.00 miOvercast24°F18°F77%1017.2 hPa
Lee's Summit, Lee's Summit Municipal Airport, MO14 mi32 minENE 310.00 miOvercast25°F16°F69%1018 hPa
Olathe, New Century Aircenter, KS18 mi32 minENE 510.00 miOvercast25°F17°F72%1017.4 hPa
Kansas City, Kansas City International Airport, MO23 mi32 minE 610.00 miOvercast24°F17°F75%1017.8 hPa

Link to 5 minute data for KMKC

Wind History from MKC (wind in knots)
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Last 24hrN12N8NW5NW12N11N10W8NW9NW8NW5NW7N9N8N7N6N5N7N6N7NE5NE6NE6NE6NE5
1 day agoCalmNE3CalmCalmCalmSW4SE3SW3S5S6S4CalmCalmCalmNE3NE5NW4NW8N9NW7N14
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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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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 Kansas City/Pleasant Hill, MO (6,6,7,8)
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Ground Weather Radar Station Kansas City/Pleasant Hill, MO
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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.