Thursday, November15, 2018

Marine Weather and Tides
Marietta, GA

Version 3.4
What's New / NOTES
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 7:10AMSunset 5:35PM Thursday November 15, 2018 1:30 PM EST (18:30 UTC) Moonrise 1:34PMMoonset 12:00AM Illumination 52% Phase: First Quarter Moon; Moon at 8 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 Marietta, GA
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location: 34, -84.47     debug

Area Discussion for - Peachtree City, GA
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Fxus62 kffc 151815
area forecast discussion
national weather service peachtree city ga
115 pm est Thu nov 15 2018

18z aviation update...

Prev discussion issued 641 am est Thu nov 15 2018
short term today through Friday ... The final wave of
precipitation is moving across the area with several north-south
oriented lines of heavier rainfall moving across the area. The
rainfall will taper off from west to east as the upper low lifts
through the tennessee valley by daybreak this morning and
continues into the ohio valley by this afternoon. The associated
surface low will also lift to the northeast, over the carolinas by
early this afternoon. As the upper level trough base shifts over
the carolinas by 18z, this will push the moisture flow off the
gulf of mexico east of the forecast area, allowing drier air to
filter into the area under west-northwest flow aloft. Have
continued the flood watch through 7am, with the areas of heavy
rains lifting northward over the same area, we may see isolated
flash flood warnings through this morning until the moderate rain
tapers off at most locations by noontime. Please see the flood
watch for more information. Surface winds will also shift from
northeast to northwest and west this morning, which will also aid
in drier air filtering into the area. While low clouds will be
slow to lift through this afternoon, as the upper level trough
lifts away from the forecast area it will allow surface high
pressure and more zonal flow to set up which will allow skies to
clear quickly this evening. Surface winds will be slow to
diminish, with 10-15mph winds continuing until just before
daybreak. While radiational cooling will have a hard time setting
up, temperatures will drop into the upper 20s to lower 30s across
much of the forecast area and have issued a freeze warning for
tonight with temperatures below freezing expected between midnight
and 8am, please see the freeze warning for more information.

Temperatures on Friday will remain cooler than normal but should
be in the 50s, up to 10 degrees warmer than the past few days in
several locations. Have stayed close to guidance temperatures
through the period.

long term Friday night through Wednesday ...

dry weather looks like it will dominate our area through the middle
of next week. The long term period begins with high pressure over
the southeast and a broad westerly flow aloft. A frontal boundary
pushes into the tn valley on Monday but GFS and ECMWF show the
associated moisture diminishing as the front moves into ga. For now
will keep Monday dry. After that... Northwest flow aloft prevails
over the southeast... With another front crossing the appalachians
late Tuesday or early Wednesday. This front also looks like it will
be moisture starved. Temperatures will moderate through the period.


18z update...

borderline ifr MVFR conditions will persist for the next several
hours. CIGS are alternating between ifr and MVFR with improvement
expected in the csg by 20z, atl mcn by 22z, and ahn by 00z. Winds
are beginning to shift out of the ene as a line of light rain and
drizzle current moves through, with the ra dz moving out of the
atl area by 20 z. Wind gusts above 15kts are expected between
20-05z this evening along withVFR conditions at all sites by 00z.

Atl confidence... 18z update...

medium confidence on all elements

Preliminary point temps pops
Athens 47 31 57 36 50 0 0 0
atlanta 45 31 54 39 40 0 0 0
blairsville 45 25 53 31 50 10 0 0
cartersville 44 29 53 33 40 0 0 0
columbus 49 33 58 38 20 0 0 0
gainesville 45 30 55 37 50 5 0 0
macon 51 32 57 36 40 0 0 0
rome 43 28 54 33 40 0 0 0
peachtree city 46 30 55 35 40 0 0 0
vidalia 54 35 58 39 50 0 0 0

Ffc watches warnings advisories
Freeze warning from 11 pm this evening to 8 am est Friday for
the following zones: baldwin... Banks... Barrow... Bartow... Butts...

carroll... Catoosa... Chattooga... Cherokee... Clarke... Clayton...

cobb... Coweta... Dade... Dawson... Dekalb... Douglas... Fannin...

fayette... Floyd... Forsyth... Gilmer... Glascock... Gordon...

greene... Gwinnett... Hall... Hancock... Haralson... Heard... Henry...

jackson... Jasper... Jones... Lamar... Lumpkin... Madison...

meriwether... Monroe... Morgan... Murray... Newton... North fulton...

oconee... Oglethorpe... Paulding... Pickens... Pike... Polk...

putnam... Rockdale... South fulton... Spalding... Taliaferro...

towns... Troup... Union... Upson... Walker... Walton... Warren...

white... Whitfield... Wilkes.

Short term... Thiem
long term... .Djn.83
aviation... Thiem

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marietta / Dobbins Air Force Base, GA6 mi95 minSW 12.00 miLight Drizzle Fog/Mist43°F40°F91%1018.8 hPa
Cobb County International Airport - McCollum Field, GA7 mi43 minNW 610.00 miOvercast41°F39°F93%990.1 hPa
Atlanta, De Kalb-Peachtree Airport, GA12 mi38 minWSW 33.00 miFog/Mist43°F39°F89%1018 hPa
Fulton County Airport-Brown Field, GA15 mi38 minWNW 93.00 miLight Rain Fog/Mist43°F43°F100%1017.6 hPa
Cartersville Airport, GA22 mi38 minVar 410.00 miOvercast39°F36°F89%1018.6 hPa
Atlanta, Hartsfield - Jackson Atlanta International Airport, GA24 mi39 minN 08.00 miOvercast45°F41°F86%1017.5 hPa

Wind History from MGE (wind in knots)
Last 24hrE7E10E6E12
1 day agoNW9NW8NW4NW7----W8NW8NW6NW9NE5NW6NW4NW4CalmN3CalmNW2NE3CalmE7E10E7E5
2 days agoE4N4N3E4--E6E8E9E6E8E4E4CalmE5NW3CalmCalmCalmNW2NW6W6NW7NW5NW8

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 Southeast    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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Wind Forecast for Peachtree City, GA (13,3,4,5)
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Ground Weather Radar Station Atlanta, GA
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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 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 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.