Tuesday, March26, 2019 L-36.com


Marine Weather and Tides
Hettick, IL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:53AMSunset 7:19PM Tuesday March 26, 2019 5:40 AM CDT (10:40 UTC) Moonrise 12:00AMMoonset 9:45AM Illumination 71% Phase: Waning Gibbous; Moon at 20 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 Hettick, IL
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location: 39.38, -90.06     debug


Area Discussion for - St. Louis, MO
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Fxus63 klsx 260844
afdlsx
area forecast discussion
national weather service saint louis mo
344 am cdt Tue mar 26 2019

Short term (through late tonight)
issued at 343 am cdt Tue mar 26 2019
early this morning, an upper level ridge axis was over the eastern
rockies and high plains and a trof was over the appalachian
mountains in the east, resulting in NW flow aloft over our region.

Several embedded shortwave disturbances of note existed within
this flow, extending from southwest mo into southeastern sd. For
the most part, these disturbances were acting on a column too dry
to produce precipitation but instead just additional clouds. The
tail- end disturbance, however, was producing precipitation
reaching the ground in northeastern nebraska and measuring at
that. A decently strong 1032mb surface high pressure was centered
over wisconsin with its ridge axis extending into eastern kansas.

Skies were clear for many areas, but areas of clouds also existed,
mainly in northeast, central, and southeast mo. Temperatures
ranged from the 30s in most areas, to the 40s where clouds hung on
--primarily in central and southeast mo.

The upper ridge axis will translate eastward while dampening, with
nw flow aloft persisting through tonight. The upper level
disturbances are expected to either track too far south to affect
our region, weaken, or shear as they approach, and this should
result in very low precipitation chances persisting. The main
effects of these disturbances will be their associated clouds moving
in early this morning and not fully clearing out until this
afternoon. Between morning clouds and weak northeast flow at the
surface, this all points to one more day of below normal
temperatures with MAX temps forecasted in the low-mid 50s, or about
5 degrees below normal.

Another cool night is expected thanks to clear skies and light
winds, although mins should not fall below the 30s in most areas as
the cool area of high pressure pulls further away.

Tes

Long term (Wednesday through Monday)
issued at 343 am cdt Tue mar 26 2019
the strong surface high will extend from new england southwest
into the lower mississippi valley early Wednesday morning. The
ridge will be drifting east through the day and south-southwest
flow will increase across the mid mississippi valley as a result.

Highs Wednesday afternoon are therefore expected to surge into the
60s... Possibly hitting 70 in parts of central missouri.

Meanwhile, a short wave trough will move along the u.S. Canada
border Wednesday and Wednesday night. This wave is expected to
push a cold front down to near the iowa missouri border by around
18z Thursday. Quasi- zonal flow aloft over the mid mississippi
valley will allow the front to stall Thursday afternoon and remain
nearly stationary until Friday night.

Models continue to show several waves of showers and probably
scattered thunderstorms as well in this stagnant pattern through
Friday night. 850mb moisture convergence is a nearly constant
presence over the forecast area through this period, so I cannot
rule out precipitation during any time frame from late Wednesday
night through Saturday morning when a strong positively tilted
trough digs into the mississippi valley and finally pushes the cold
front through missouri and illinois into the lower mississippi
valley. Models remain in pretty good agreement on timing of the
frontal passage... Although the ECMWF is still a little bit faster
than the gfs. The GFS is fairly evenly distributed with the qpf
through Saturday, but the ECMWF shows higher QPF across northern
missouri and west central illinois back into west central missouri.

Obviously the amount and placement of this rainfall will affect the
continuing river flooding on the mississippi and missouri rivers.

Luckily the pattern looks dry for Sunday and Monday as a 1035mb high
pressure system settles into the mississippi valley behind the cold
front.

Temperatures south of the front Thursday through Saturday
night should remain mild with highs in the 60s and lows mainly in
the upper 40s to mid 50s. The high pressure system which moves into
the region Sunday should drop lows into the upper 20s and low 30s
with highs Sunday in the 40s and then warming up a little into the
low to mid 50s on Monday as the airmass is modified by april
sunshine.

Carney

Aviation (for the 06z tafs through 06z Tuesday night)
issued at 1035 pm cdt Mon mar 25 2019
surface ridge extending from eastern nd east-southeast through wi
will move eastward. Weak north-northeasterly surface winds will
veer around to an east-northeasterly direction Tuesday morning,
then to a southeast direction Tuesday night, although quite
light. Low level,VFR cloudiness extending from uin southwest to
just west of cou will advect southeastward into cou and the st
louis metro area late tonight, before gradually dissipating. An
upper level disturbance over southeastern nebraska will move
southeastward through mo late tonight with some mid-high level
cloudiness spreading into our area ahead of it. These clouds will
advect southeast of the TAF sites Tuesday morning with a clear sky
expected for the remainder of the forecast period.

Specifics for kstl: surface ridge extending from eastern nd
east-southeast through wi will move eastward. Weak north-
northeasterly surface winds will veer around to an east-
northeasterly direction Tuesday, then to a southeast direction
Tuesday night, albeit quite light. Low level,VFR cloudiness
extending from uin southwest to just west of cou will advect
southeastward into stl late tonight, before gradually
dissipating. An upper level disturbance over southeastern nebraska
will move southeastward through mo late tonight with some mid-
high level cloudiness spreading into our area ahead of it. These
clouds will advect southeast of stl Tuesday morning with a clear
sky expected for the remainder of the forecast period.

Gks

Preliminary point temps pops
Saint louis 54 36 66 49 0 0 0 30
quincy 53 34 65 51 0 0 0 20
columbia 55 35 68 51 0 0 0 40
jefferson city 54 33 69 51 0 0 0 40
salem 52 32 62 45 0 0 0 10
farmington 54 31 63 45 0 0 0 20

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
Litchfield Municipal Airport, IL25 mi65 minNNE 710.00 miMostly Cloudy31°F23°F72%1028.1 hPa

Wind History from 3LF (wind in knots)
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1 day agoSE7SE8SE7SE10SE10SE10SE11S9S8S4S5SE4SE6E7NE6E16NE9E7N4N6N10NE16
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Tide / Current Tables for
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Weather Map and Satellite Images
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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 St. Louis, MO (6,6,7,8)
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Ground Weather Radar Station Central Illinois, IL
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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.