Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
Urbana, IL

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 5:57AMSunset 7:43PM Wednesday April 25, 2018 6:42 PM CDT (23:42 UTC) Moonrise 3:11PMMoonset 3:55AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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 Urbana, IL
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location: 40.11, -88.21     debug


Area Discussion for - Central Illinois, IL
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Fxus63 kilx 252325
afdilx
area forecast discussion
national weather service lincoln il
625 pm cdt Wed apr 25 2018

Short term (this evening through Thursday)
issued at 320 pm cdt Wed apr 25 2018
a 560 dm 500 mb low over central ks will track southeast into nw
ms by sunrise Thu and to near chattanooga tn by sunset thu. This
system will keep its light rain shows SW south of central and
southeast il through tonight. However, broken to overcast mid high
clouds cover CWA with cumulus clouds in southeast il this
afternoon. Meanwhile ample sunshine just north of knox, stark and
marshall counties. Latest models show these mid high clouds
gradually being suppressed southward across CWA during tonight
and lingering longest over areas south of i-70. Temps currently in
the low to mid 60s over CWA with nne winds 7-14 mph and few gusts
of 17-23 mph. Dewpoints ranged from 35-40f along and north of
i-74 to the lower 50s in southeast il where the cumulus clouds
were. Drier dewpoints in the low to mid 30s were just north of cwa
over northern CWA and will be advecting into central il into this
evening. Lows tonight of 35-40f over central il and lower 40s
along and SW of a springfield to robinson line. Some patchy frost
possible NE CWA late tonight early Thu morning, with mid 30s
around danville vermilion county. Do not think the frost will
widespread enough for a frost advisory but may issue a special
weather statement to address this as growing season has started
along and south of a rushville to lincoln to danville line.

A pretty nice day expected Thu with ample sunshine and light
winds as il will be in between cutoff upper level low in southern
southeast tn river valley and upper level trof moving into the
upper ms river valley and into the central plains. After a cool
start to the day, expected afternoon temps to peak in the mid to
upper 60s.

Long term (Thursday night through Wednesday)
issued at 320 pm cdt Wed apr 25 2018
weak upper level trof and associated cold front to push SE through
il late Thu night and Friday morning and should pass through dry
with limited moisture and lift. Models have light QPF over great
lakes region Thu night and Fri morning. Lows Thu night of 40-45f
with a passing band of clouds with front.

12z models dig a stronger upper level low trof southward into the
great lakes Friday and Fri night, and bring chances of rain
showers into areas just NE of vermilion county by late fri
afternoon and Fri evening. Nam12 and gem models keeps light qpf
ne of CWA Fri evening, while GFS and ECMWF models have light qpf
into central il during Fri evening. Have increased cloud cover
during this time, though continued a dry forecast as moisture
appears limited this far sw. Highs in the 60s Friday, with lows
fri night of 40-45f again.

Cooler conditions expected behind this cold front and upper level
trof Sat and Sat night. Highs Sat in the upper 50s to near 60f
along and NE of i-74 and lower 60s SW of i-74. Weak canadian high
pressure of 1026 mb builds into il wi during Sat night and brings
clear skies and light winds. Cool lows in the 35-40f range on sat
night and could bring patchy frost again overnight Sat night
especially along and NE of i-74.

High pressure to shift east of il into the oh tn river valley
while upper level ridge shifts east into the ms river valley by
sunset Sunday. This to be the start of a nice warm up early next
week. Highs Sunday back in the mid to upper 60s, then warm into
the mid to upper 70s on Monday, upper 70s to around 80f Tue and
upper 70s on wed. Dry conditions should continue Sunday through
tue, expect have slight chance of showers and isolated
thunderstorms NW of the il river late Tue afternoon. As strong
upper level ridge shifts into the eastern states early next work
week, a strong upper level trof digs over the western states
putting il in a more unsettled upper level flow by middle of next
week. Chances of showers and thunderstorms for mainly areas west
of i-57 Tue night and across CWA on Wed and Wed night as a cold
front moves SE into central il by sunrise thu.

Aviation (for the 00z tafs through 00z Thursday evening)
issued at 625 pm cdt Wed apr 25 2018
vfr conditions will prevail at all TAF sites next 24hrs. High
cirrus is over the area and will remain that way for a few hours
at pia and bmi, but last til around 06z at spi dec cmi. At that
point cirrus will become scattered, and then clear out during the
morning hours. Winds will be light and variable at pia and cmi,
with northeast to east winds at spi dec cmi. However, tomorrow
winds will become variable at those three sites as well.

Ilx watches warnings advisories
None.

Short term... 07
long term... 07
aviation... Auten


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
University of Illinois - Willard, IL6 mi49 minNE 710.00 miFair60°F36°F41%1015.8 hPa
Rantoul National Aviation Center Airport, IL13 mi47 minNE 610.00 miFair59°F35°F41%1015.9 hPa

Wind History from CMI (wind in knots)
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Last 24hrNE7NE3NE5NE3CalmN4NW4N6N7N9N9N10N11N13N14N11NE12N8NE12N11N11NE10NE10NE7
1 day agoNE10NE10NE9NE10NE8NE10NE10NE10NE10NE9NE10NE8NE7NE8N6N8N9N11N11N13N12N13N12N9
2 days agoNE15
G20
NE12NE9NE10NE12NE13NE16NE13NE13NE13NE14NE14NE15NE14NE12NE11E9E14E14E15E12E10E11E12

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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wmap_A
GOES Local Image of Midwest    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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Central Illinois, IL (19,4,5,8)
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Ground Weather Radar Station Central Illinois, IL
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weather_mapweather_map weather_map

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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.