Marine Weather and Tides
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.
|Sunrise 7:27AM||Sunset 5:26PM||Monday December 10, 2018 6:50 PM EST (23:50 UTC)||Moonrise 10:05AM||Moonset 8:27PM||Illumination 12%|
7 Day Forecast for Marine Location Near Rayle, GAHourly EDIT Help
Area Discussion for - Peachtree City, GA  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxus62 kffc 101944|
area forecast discussion
national weather service peachtree city ga
244 pm est Mon dec 10 2018
Short term tonight through Tuesday night
We allowed the winter storm warnings and advisories to expire across
the northern ga counties. While the threat for some snow still
exists in the higher terrain we should only see light accumulations,
if any, on grassy surfaces as the snow should also mix with rain as
well. Model soundings suggest precip would originate as snow but
the lower boundary layer above freezing is just deep enough to melt
it across most of the population areas. The sheared upper low
responsible is slowly sinking south today and as it does will fill
with light rain showers and drizzle across most of north ga. Mean
1000-500mb layer rh values with this upper low running a very high
90-100%... Which also includes the lowest 1km of the atmosphere.
Model soundings and forecast rh suggest very high rh values continue
into Tuesday am which when combined with the upper 20s to near 30
degrees should pose a threat for black ice formation overnight.
Refer to the special weather statement for black ice concerns and
locations. The uncertain part of the forecast revolves around any
fog formation overnight and if we see dense fog and if it forms when
temps drop below freezing to create a freezing fog situation. Will
need to take a closer look at things the next few hours to evaluate
On Tuesday... Temps warm rather quickly behind the upper low as skies
clear and the Sun is able to finally make an appearance. Most if
not all winter hazards should subside through the morning hours.
Drier air and surface ridge works in for the remainder of the
Long term Wednesday through Monday
No major changes made to the extended forecast. Models agree on
drying for mid week as an upper ridge builds over the southeast.
The ridge progresses eastward rapidly... And by late Wednesday early
Thursday moisture has started to work its way back into north ga.
For that time frame... The available moisture looks limited but
have held on to slight chance precipitation for the north. This
would still give a chance of light rain freezing rain for the far
northeast. No accumulation mentioned at this time since it looks|
like it may depend on whether the moisture can arrive quick
enough. Otherwise... A strong closed upper low will move across the
southeast Thursday into Saturday. ECMWF is slower with moving the
low eastward... But Sunday still looks like it may be dry... Or
drying so have left pops out.
Aviation 18z update...
ifr MVFR CIGS should continue through the afternoon and into the
early evening. Tricky forecast with the vsby as they are likely to
lower in the showers and drizzle but bounce back outside of those
times. Large area of showers over north ga is expanding as the
main upper low sinks south and expect much of this to spread into
taf sites through the afternoon and evening. Meanwhile do expect
cigs to gradually improve through the evening and overnight as
drier air works in aloft. Some fg is possible overnight at all
sites with light winds and high rh values. For now... Have left it
out but will need to possibly add in future updates. Skies should
clear out quickly in the morning as the upper level system exits.
Atl confidence... 18z update...
medium confidence on CIGS and vsby.
High confidence on precip and winds.
Preliminary point temps pops
Athens 32 53 30 53 70 0 0 0
atlanta 31 50 30 52 60 0 0 0
blairsville 23 47 24 49 60 0 0 0
cartersville 27 49 28 52 60 0 0 0
columbus 35 54 30 56 40 0 0 0
gainesville 30 51 30 51 70 0 0 0
macon 35 55 28 56 50 0 0 0
rome 26 49 27 51 50 0 0 0
peachtree city 31 52 28 54 60 0 0 0
vidalia 36 56 32 58 30 5 0 0
Ffc watches warnings advisories
Short term... 30
long term... .01
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
|Stations||Dist||Age||Wind||Air Temp||Water Temp||Waves||Pressure||DewPt|
|CHDS1 - Strom Thurmond Dam, SC||39 mi||70 min||NNE 7 G 8.9||41°F|
|LMFS1 - Lake Murray SC||87 mi||30 min||NNE 1 G 2.9||40°F||1019.6 hPa|
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports
|Greensboro, Greene County Regional Airport, GA||22 mi||75 min||N 0||4.00 mi||Fog/Mist||43°F||42°F||100%||1019.3 hPa|
|Athens, Athens Airport, GA||24 mi||2 hrs||NNE 5||8.00 mi||Light Rain||42°F||39°F||89%||1020.2 hPa|
Wind History from IIY (wind in knots)
|1 day ago||Calm||Calm||Calm||W||Calm||SW||Calm||Calm||Calm||Calm||Calm||W||SW||S||SW||SW|
|2 days ago||NE||NE||Calm||E||E||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm|
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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 Peachtree City, GA (18,4,5,8)(on/off)  Help
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