Saturday, August24, 2019 L-36.com


Marine Weather and Tides
Dillard, GA

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 6:56AMSunset 8:09PM Saturday August 24, 2019 8:36 PM EDT (00:36 UTC) Moonrise 12:00AMMoonset 2:19PM Illumination 30% Phase: Waning Crescent; Moon at 24 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 Dillard, GA
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location: 35.01, -83.38     debug


Area Discussion for - Greenville-Spartanburg, SC
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Fxus62 kgsp 242335
afdgsp
area forecast discussion
national weather service greenville-spartanburg sc
735 pm edt Sat aug 24 2019

Synopsis
A cool wedge of high pressure will linger across the region into
Monday. Warmer air and increased shower chances are on tap ahead of
an approaching cold front Tuesday and Wednesday. Drier weather is
possible behind the front to end the work week.

Near term through Sunday
As of 700 pm edt Saturday: widespread low clouds have kept
temperatures down through the evening, so have made several
adjustments to hourly t td, but for now no changes to overnight
lows. Precip has really stayed mainly in the mountains, so have
lowered pops elsewhere through the evening and overnight hours.

Seeing some anchoring of showers over the terrain, so will continue
to monitor that through the night. Other updates are all for
aviation parameters.

Otherwise, the broad sfc high presently centered just north of the
great lakes will continue to build over the NE CONUS thru the
period, aided by confluence downstream of an upper ridge.

Unseasonably robust cool-air damming will persist over our area as a
result. As such, any thunder lightning should be relegated to our
southern fringe zones and maybe our western-most mountains. As is
typical in a wedge pattern, temps will be tricky to fcst. I lowered
high temps for today to better reflect the current values and an
overall lack of sfc heating seen so far. Low-level flow will veer
slightly tonight, making upslope forcing over the blue ridge a bit
more of a factor for wnc, and implying a bit better isentropic lift
throughout the area. This should be enough to maintain abundant
stratus across most of the fcst area. Low temps will be near normal
overnight as the cool airmass will be offset by good cloud cover.

Short term Sunday night through Tuesday
As of 240 pm edt Saturday: blocking pattern over eastern north
america weakens on Monday as the upper low off the new england coast
moves north and upper ridge along the east coast weakens. This
allows a dampening upper trough to move east into the area through
the period. At the surface, the cold air damming wedge remains in
place but slowly weakens Monday as the potential tropical system
moves north off the carolina coast. Expect continued cool conditions
but with a slow warming trend. Upslope flow will help generate
showers over the western cwfa but precip will be light. Better
chances of precip develop Tuesday as forcing increases with the
trough. Even then, the better chances will be across the western
cwfa. The cad wedge continues to weaken Tuesday but doesn't
completely erode. Highs will only be slightly warmer.

Long term Tuesday night through Saturday
As of 100 pm edt Saturday: temperatures are slated to rebound back
to values closer to climo on Wednesday as return flow increases
ahead of encroaching S WV and attendant sfc bndry. The latest
medium range blended solutions continue to advertise greatest cvrg
of showers acrs the mountains. In the wake of Wednesday's frontal
passage, we are expecting an influx of deep layer dry air on
Thursday which will probably warrant the removal lowering of the
inherited token slight chance pop. Temperatures are expected to be
close to the late august climo, although blyr dwpts should take a
downward tumble. Regionally, by the end of the work week, greatest
shower coverage should be closer the coast near the stalled
baroclinic zone. A very weak llvl ridge axis and weak mean flow
regime is progged atop cwfa on Friday, as mean rh marginally
increases. At this point, senisble weather should be limited to
small and or slight increase in showers, especially in the piedmont,
nearer to the better moisture.

Aviation 00z Sunday through Thursday
At kclt and elsewhere: widespread MVFR at TAF time, with some
pockets of ifr as well as some lowVFR, and this will continue
overnight with only some minor fluctuations as the cad remains in
place. Should see some slow improvement during the day tomorrow, and
kand and kclt could see lowVFR through the afternoon. Some
indications of lowering again tomorrow night but will reevaluate
that with later tafs. Steady NE winds 5-10kt with low-end gusts
possible off and on through the period.

Outlook: expect improving conditions going into Monday as drier air
moves in, however moisture and another frontal system move back in
by midweek with associated restrictions possible again.

Confidence table...

23-05z 05-11z 11-17z 17-18z
kclt high 100% high 100% high 85% high 89%
kgsp high 100% high 100% high 90% med 78%
kavl med 66% low 50% med 65% med 78%
khky high 94% high 80% high 95% med 61%
kgmu high 83% high 100% high 90% med 78%
kand med 66% high 95% high 95% high 83%
the percentage reflects the number of guidance members agreeing
with the scheduled TAF issuance flight rule category. Complete hourly
experimental aviation forecast consistency tables and ensemble forecasts
are available at the following link:


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Macon County Airport, NC15 mi61 minN 010.00 miOvercast74°F67°F79%1020.3 hPa

Link to 5 minute data for K1A5

Wind History from 1A5 (wind in knots)
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Last 24hrCalmCalm------CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW3CalmCalmS4SE3CalmCalmCalm
1 day agoCalmSW4------CalmCalmCalmCalm------------------------NE3CalmCalm
2 days agoCalmCalm------Calm----CalmCalmCalmCalmCalmCalmW4CalmN6CalmCalmCalmCalmSE6CalmCalm

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Greenville-Spartanburg, SC (20,4,5,8)
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Ground Weather Radar Station Greer, SC
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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.