Monday, August20, 2018 L-36.com


Marine Weather and Tides
West Peoria, IL

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Sunrise 6:13AMSunset 7:49PM Monday August 20, 2018 4:04 AM CDT (09:04 UTC) Moonrise 4:01PMMoonset 1:08AM Illumination 65% Phase: Waxing Gibbous; Moon at 9 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 West Peoria, IL
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location: 40.7, -89.61     debug


Area Discussion for - Central Illinois, IL
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Fxus63 kilx 200741
afdilx
area forecast discussion
national weather service lincoln il
241 am cdt Mon aug 20 2018

Short term (today and tonight)
issued at 240 am cdt Mon aug 20 2018
latest surface analysis and radar mosaics show the low across the
northwest corner of missouri, while the upper low was about 50
miles to the west. A band of showers and thunderstorms has been
edging eastward the last several hours, and was entering the lower
illinois river valley as of 2 am. This rain will slowly move
across much of the forecast area this morning, with high-res
models in good agreement with it near i-74 toward 10 am as the
warm front lifts northward. Second round of showers storms should
develop in southeast missouri early this afternoon, then expand
toward eastern illinois. Latest SPC day1 outlook has a marginal
risk of severe weather over the entire forecast area; while some
decent cape's and shear will be present, the amount of
destabilization in the warm sector is still questionable due to
cloud cover. Main concern would be stronger wind gusts with the
afternoon and early evening storms, though a risk of some weak
tornadoes will be present over the northern CWA closer to the low
track.

By around 9-10 pm, the NAM and nmm models have the line of storms
near the indiana border, with a few showers lingering as a weak
trough swings around the departing low.

Long term (Tuesday through Sunday)
issued at 240 am cdt Mon aug 20 2018
lingering showers will diminish from west to east on Tuesday, as
the storm system pulls away from the region. This will leave us
with a couple days of cooler and less humid conditions for mid
week. With dew points falling into the 50s, temperatures will
fall correspondingly, and the entire CWA will get a taste of early
autumn conditions.

Pattern shifts late week, as the longer range models continue to
build some very warm air into the region this weekend. 850 mb
temperatures rise to about 21-22c, which would suggest some
potential for highs in the 90s. Blended guidance is a bit slow to
catch on, but the ECMWF mos guidance has started to trend in that
direction. Will watch the trends, and some upward adjustments may
be needed in later forecasts if this continues.

Following the current rain maker, the main feature of interest
will be with a shortwave late week, swinging east out of the
dakotas. Bulk of the energy with this feature will track into
wisconsin, but potential exists for a quarter to half inch of rain
with this wave in our area Friday and Friday night.

Aviation (for the 06z tafs through 06z Monday night)
issued at 1153 pm cdt Sun aug 19 2018
a strong upper level low will provide periodic showers and storms
for all terminal sites, starting after 08z tonight through
tomorrow evening. The initial push of showers and storms should
be on a weakening trend as it lifts from SW to NE through our
counties after midnight tonight and tomorrow morning. A break in
the storms is expected from late morning through mid to late
afternoon, as a dry slot passes across illinois. The amount of
sunshine that develops during that dry slot will play a primary
role in how strong the line of storms will be later tomorrow
afternoon and evening. There should be enough instability for
strong wind gusts from any storms that affect the TAF sites later
Monday afternoon. Some rotating storms will be possible, due to
shear params and low level helicity at that time.

MVFR clouds are expected to develop early Monday morning, as the
initial showers storms arrive. MVFR may lift toVFR if clearing
develops in the dry slot. There is uncertainty to how much
clearing will occur, so MVFR conditions were left in the tafs for
now.VFR clouds will be more likely after the evening storms
depart to the east.

Winds will start out from the southeast tonight and continue
through early tomorrow afternoon, then shift to the s-sw and
increase to 12-15kt.

Ilx watches warnings advisories
None.

Short term... Geelhart
long term... Geelhart
aviation... Shimon


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Peoria - General Downing-Peoria International Airport, IL5 mi71 minESE 910.00 miMostly Cloudy75°F68°F79%1010.2 hPa

Wind History from PIA (wind in knots)
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Last 24hrE5E3NE3CalmSE5CalmSE43E4E7E6S5SE5E4E3E5E5E6SE7E8E6E7E9SE8
1 day agoCalmCalmN4E6NE7NE6NE6NE8NE8NE7NE6NE53N3CalmCalmCalmCalmCalmNE4E5E4NE4E5
2 days agoNW3SW5SW6SW6W5NW4NW44W6NW6W8445CalmCalmN33CalmN3CalmCalmCalmNE3

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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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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Central Illinois, IL (5,6,7,8)
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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.