Wednesday, October18, 2017 L-36.com


Marine Weather and Tides
Hettick, IL

Version 3.4
What's New / NOTES
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 7:14AMSunset 6:17PM Wednesday October 18, 2017 11:51 AM CDT (16:51 UTC) Moonrise 4:54AMMoonset 5:06PM Illumination 3% Phase: Waning Crescent; Moon at 28 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 181044
afdlsx
area forecast discussion... Updated aviation
national weather service saint louis mo
544 am cdt Wed oct 18 2017

Short term (through late tonight)
issued at 336 am cdt Wed oct 18 2017
early this morning, a ridge of surface high pressure extended from
the mid-atlantic states, thru the mid-south, and back into eastern
texas, resulting in a light southerly flow for our region. Northwest
flow prevailed aloft, with another upstream upper level disturbance
over southeastern nebraska. The atmospheric column remains bone
dry, and the disturbance is once again only able to generate an area
of high cirrus clouds out ahead of it. Temperatures range from the
mid to upper 30s in sheltered areas in the eastern ozarks of
southeast missouri to the lower 50s in the prairie regions of
northeast missouri with a lot of 40s in between.

The surface ridge axis of high pressure will remain nearly
stationary to our south but will weaken in strength some over the
next 24 hours. A weak surface cold front will approach our region
this evening but only make it as far as southern and eastern iowa
before stalling out. The result will be another day of southerly
flow but a tad stronger than yesterday with a tighter pressure
gradient from the approaching front. The only clouds expected will
be a region of somewhat thin cirrus clouds from the upper level
disturbance that will move thru mainly this afternoon and evening.

The column will simply be too dry for any pcpn to develop.

Thanks to continued southerly flow, the warming trend will continue
with MAX temps in the low to mid 70s expected. Likewise, min temps
tonight will be a bit higher than persistence with mid 40s to lower
50s expected for most areas.

Tes

Long term (Thursday through Tuesday)
issued at 336 am cdt Wed oct 18 2017
high pressure centered over the central appalachian mountains at
the beginning of the period will remain nearly stationary through
Friday night. Meanwhile, the ridge aloft will amplify over the
mississippi valley Thursday and Friday as a strong trof digs into
the western u.S. Thursday and Friday still look warm with
southerly flow on the western side of the high and the increasing
heights aloft as the ridge amplifies; therefore have tweaked
temperatures up Thursday, Friday, and Saturday a few degrees over
ensemble guidance
the trof will continue moving east into the great plains Saturday,
forcing a cold front ahead of it into the mississippi valley. Models
continue to be in good agreement through Friday, and have come into
better agreement on the speed of the trof as it moves through the
great plains on Saturday. However... The GFS now develops a cut off
low over texas late Sunday night while the ECMWF is progressive with
the trof. This is a reverse from a few days ago when the ECMWF was
the model with the cut off low over the gulf coast. All guidance
points to a FROPA on Sunday, but am leaning toward the ecmwf's open
wave solution and dry weather after the fropa. This would be more
consistent with the previous forecast... And previous runs of the
models. Medium range models do become a little more consistent by
the end of the forecast on Tuesday with a longwave trof over the
eastern 1 2 of the u.S. And northwest flow at all levels over the
mississippi valley. This is a cool pattern which should bring
temperatures back to near normal.

Carney

Aviation (for the 12z tafs through 12z Thursday morning)
issued at 544 am cdt Wed oct 18 2017
vfr conditions, dry weather, and southerly surface winds will
prevail at the TAF sites thru the valid period. Wind speeds may
top 10kts at times during late morning and afternoon.

Tes

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 mi77 minS 11 G 1610.00 miFair60°F45°F58%1023 hPa

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Last 24hrSW11
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S9SW12S10S9S5SE5S6SE7S6S6S6S6S5S5S4S5S7SE5S6S10S10S14
1 day agoW4W7CalmSW8W6SW5SW5S4S4S3S3S4S5S5S5S4S3S4S4S5S4S8S13SW11
2 days agoNW18
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NW8NW5NW5N3CalmNW3CalmNW3CalmCalmCalmW3CalmW3W3SW5SW3

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
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IR Satellite Image from GEOS
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GOES Local Image of Midwest    EDIT
Geos

Wind Forecast for St. Louis, MO (12,3,4,5)
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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.