Friday, August23, 2019 L-36.com


Marine Weather and Tides
Racine, OH

Version 3.4
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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 6:45AMSunset 8:12PM Friday August 23, 2019 8:08 AM EDT (12:08 UTC) Moonrise 11:43PMMoonset 1:20PM Illumination 46% Phase: Third Quarter Moon; Moon at 23 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 Racine, OH
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location: 38.89, -81.87     debug


Area Discussion for - Charleston WV
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Fxus61 krlx 231039
afdrlx
area forecast discussion
national weather service charleston wv
639 am edt Fri aug 23 2019

Synopsis
Cold front finally exits to the south today. High pressure with
dry, cooler weather for the weekend.

Near term through tonight
As of 625 am Friday...

showers widespread this morning, should dry out north to south
later today in a gradual manner. Some minor pop adjustments, but
the formation of the showers has continued to follow that low
level frontogenesis.

As of 235 am Friday...

in the midst of strengthening lower level 900-800mb
frontogenesis, so expect the coverage of showers to increase
through sunrise this morning. A weak wave of surface low
pressure is keeping the forward motion of the cold front to a
minimum but should see the front clear our portion of the
mountains after 15z. The pops continue in the wake of the front,
however, due to a 500mb axis embedded in the very broad
cyclonic flow over the great lakes. Much drier air at the
surface, lower, and mid levels moves in with this wholesale
airmass change once the wave aloft passes and high pressure
builds over the great lakes. Lower dewpoints tonight allow for
lows to drop back into a more comfortable range after a few days
of heat across the region.

Short term Saturday through Monday
As of 313 am Friday...

mainly dry conditions are expected on Saturday due to the influence
of an expansive surface high centered in quebec. However, can't
completely rule out a few isolated showers storms Saturday afternoon
in extreme southeastern zones where better quality moisture and
instability is expected (dewpoints in the low mid 60s and cape
around 1,000 j kg). The greatest chance of any precipitation will be
in southwest va where low chance pops are in place. Elsewhere, the
atmosphere will be very dry with surface dewpoints in the mid upper
50s, yielding pwats between a half inch to an inch. With high
temperatures forecast to reach the upper 70s low 80s, fantastic
weather is expected with comfortable humidity levels.

As the aforementioned high pressure shifts east towards the canadian
maritimes on Sunday, return flow will give temperatures a boost of a
few degrees. This should translate to highs in the low 80s across
the lowlands on Sunday afternoon, just a degree or two below normal
for this time of the year. Upper ridge axis across the great lakes
should provide for a mainly dry forecast once again, but some low
pops are included across southern areas as a cut-off low rotates
east of the area in the mid-atlantic region. Regardless, with little
to no instability expected and subsidence in place, most of the
region should be dry.

By Monday, upper ridge axis continues to push to the east and a
shortwave trough will move across the midwest. This leading
shortwave trough will eventually become absorbed by a larger scale
trough emerging from the northern plains late in the short term
period. However, the leading shortwave trough may get close enough
to our region on Monday afternoon to bring an increase in pops from
west to east through the day, as the GFS suggests. The ecmwf,
however, is slower with the arrival of the leading trough and thus,
holds off on most of the precip towards mainly the long term period.

For now, went with a consenus blend of models which does support
slight chance pops across the region Monday afternoon into the
evening.

Long term Monday night through Thursday
As of 313 am Friday...

by Monday night, the aforementioned main trough axis will extend
from the canadian prairies southeastward into the ohio valley,
pushing a cold front through our region on Tuesday. This will bring
widespread showers and thunderstorms throughout the area on Tuesday.

With models projecting pwats around 1.50-1.75 inches, heavy
downpours will be possible. There also will be some modest shear,
with models at this distance suggesting around 30 kts in the 0-6 km
layer. However, instability will be in question given the abundant
cloud cover that is expected.

Precipitation will end from west to east throughout the day on
Wednesday, with high pressure building in across the ohio valley.

This feature should then be in control through the remainder of the
week, keeping conditions mainly dry and seasonal through the end of
the long term period.

Aviation 10z Friday through Tuesday
As of 620 am Friday...

widespread showers with isolated thunder this morning should
become less numerous from north to south as Friday progresses in
time. Until then, bouncing observations can be expected in and
out of showers. Ceilings and visibilities have been variable
since the last synoptic issuance of the tafs a few hours ago and
this is expected to continue for a few more hours.

Vfr later in the day for all sites. Fog potential to form in the
valleys is on the higher side tonight after 04z.

Forecast confidence and alternate scenarios through 12z Saturday...

forecast confidence: medium.

Alternate scenarios: more brief ifr is possible in heavy
showers. Isolated thunder could creep in to the mix.

Experimental table of flight category objectively shows consistency
of WFO forecast to available model information:
h = high: TAF consistent with all models or all but one model.

M = medium: TAF has varying level of consistency with models.

L = low: TAF inconsistent with all models or all but one model.

Utc 1hrly 10 11 12 13 14 15 16 17 18 19 20 21
edt 1hrly 06 07 08 09 10 11 12 13 14 15 16 17
crw consistency m l m m h h h h h h h m
hts consistency l l l l l l h h h m h h
bkw consistency l m m h h h h l h h h h
ekn consistency m m m m h m h l m m h h
pkb consistency m m m h m l m m h h h h
ckb consistency h h m m m h h h m m m h
after 12z Saturday...

ifr fog possible early Sunday morning.

Rlx watches warnings advisories
Wv... None.

Oh... None.

Ky... None.

Va... None.

Synopsis... 26 rg
near term... 26
short term... Rg
long term... Rg
aviation... 26


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for K3I2

Wind History from 3I2 (wind in knots)
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Last 24hr----------------------------------------------Calm
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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 Charleston WV (8,2,3,4)
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Ground Weather Radar Station Charleston, WV
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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.