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Marine Weather and Tides
Version 3.4 |
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 6:40AM | Sunset 8:11PM | Wednesday August 21, 2019 6:37 AM CDT (11:37 UTC) | Moonrise 10:30PM | Moonset 11:15AM | Illumination 67% |  |
7 Day Forecast for Marine Location Near Ozawkie, KS
Hourly EDIT Helplocation: 39.21, -95.47 debug
Area Discussion for - Topeka, KS
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus63 ktop 211132 afdtop area forecast discussion national weather service topeka ks 632 am cdt Wed aug 21 2019 Update to aviation forecast discussion... Short term (today and tonight) issued at 325 am cdt Wed aug 21 2019 two areas of convection were occurring near or in the CWA this morning at 0730z. Thunderstorms were occurring from herington to emporia to near osage city in area of 925 thermal advection and surface to 925 mb convergence. Main arc of thunderstorms was occurring across central and southeast nebraska into northwest missouri. This was occurring north of the warm front near the nebraska border and in a area of deep moisture convergence and within the theta-e axis. Latest mesoanalysis shows precipitable water values approaching two inches across eastern kansas and into southern and central nebraska early this morning. The best 925 mb moisture transport was focused into east central kansas where the thunderstorms were producing rainfall rates of at least an inch an hour. Expect rainfall to be maximized within the moisture theta axis as described above and where the moisture transport is maximized. For today, the main concern will be the thunderstorms moving south out of nebraska and any additional development across east central kansas. Storms moving out of nebraska will have the potential to produce locally strong wind gusts and heavy rainfall. Cams have not been handling the ongoing areas of convection very well and will adjust precipitation chances based on short term tends as storm scale and mesoscale processes dictate. Overall expect storms to fill in across the area today with some dissipation expected late morning with storms redeveloping along boundaries in the afternoon and evening. Expect storms to focus initially across north central and northeast kansas north of the frontal boundary as the low level jet increases this evening. Locally heavy rainfall will again be a concern with theta-e axis expected to lay west to east north of i-70 |
this evening and then shifting into east central kansas and missouri overnight as the low level jet veers to the west by 12z Thursday. Potential will also exist for some storms with damaging wind gusts. Boundary location will dictate where the best potential for convection will lie on Thursday. Clouds and precipitation will keep temperatures in the 80s for today bringing relief from yesterday's heat. Long term (Thursday through Tuesday) issued at 325 am cdt Wed aug 21 2019 a mid level wave is forecast to move across kansas and align with the area of frontogenesis across east central kansas Thursday evening. Precipitable water values will approach 1.5 to 2 inches along and south of i-35 Thursday night. The warm frontal boundary is forecast to be southwest the forecast area on Friday and remaining west of the area until Sunday when warm advection develops ahead of a mid level wave moving across the central plains. A warm up is expected Sunday and Monday with cooling temperatures next Tuesday behind a cold front that looks to bisect the cwa. Model differences preclude a high confidence forecast for the early part of next week at this time. Aviation (for the 12z tafs through 12z Thursday morning) issued at 631 am cdt Wed aug 21 2019 scattered tsra expected through 16z with tsra then again possible after 19z. More widespread tsra expected after 06z.VFR expected outside of convection with lower restrictions expected with thunderstorms. Top watches warnings advisories None. Short term... 53 long term... 53 aviation... 53 |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapAirport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Topeka, Philip Billard Municipal Airport, KS | 12 mi | 45 min | N 22 G 30 | 10.00 mi | Overcast and Breezy | 72°F | 64°F | 76% | 1015.6 hPa |
| Lawrence, Lawrence Municipal Airport, KS | 19 mi | 46 min | N 12 G 29 | 10.00 mi | Thunderstorm in Vicinity Light Rain | 74°F | 69°F | 85% | 1015.3 hPa |
| Topeka, Forbes Field, KS | 20 mi | 45 min | N 10 G 28 | 10.00 mi | Light Rain | 72°F | 64°F | 79% | 1015.7 hPa |
Link to 5 minute data for KTOP
Wind History from TOP (wind in knots)
| 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | S | S | SW G18 | Calm | E | E | E | SE | S G19 | E | N G30 | |||||||||||||
| 1 day ago | NE | NE | E | E | SE | E | SE | SE | SE | SE | SE | S G16 | SW | |||||||||||
| 2 days ago | SW G18 | NE | NW | N | SE | NW | N | E | E | Calm | Calm | Calm | NE | Calm |
Tide / Current Tables for
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GOES 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 Topeka, KS (7,2,3,4)
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Ground Weather Radar Station Topeka, KS
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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. |