Tuesday, April25, 2017 L-36.com


Marine Weather and Tides
Acworth, GA

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:53AMSunset 8:19PM Tuesday April 25, 2017 10:40 AM EDT (14:40 UTC) Moonrise 5:34AMMoonset 6:32PM Illumination 0% Phase: New Moon; Moon at 29 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
    EDIT      (on/off)   Help
7 Day Forecast for Marine Location Near Acworth, GA
   Hourly   EDIT   Help
location: 34.1, -84.62     debug


Area Discussion for - Peachtree City, GA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus62 kffc 251119
afdffc
area forecast discussion
national weather service peachtree city ga
719 am edt Tue apr 25 2017

Prev discussion /issued 357 am edt Tue apr 25 2017/
short term /today through Wednesday/...

regional analysis shows surface low continues over coastal north
carolina while the strong close upper low remains over central
south carolina. The flow around these lows continues to spread an
abundance of moisture and resultant low level clouds across much
of the forecast area. As of yet... No significant fog has developed
with low level flow remaining just elevated enough but would not
be surprised at all to see at least some reductions to vsby through
daybreak.

Will be a tough temperature forecast as it is almost entirely
predicated on the low clouds actually dissipating. Models in
agreement this will happen sooner rather than later with scattered
conditions by mid morning. Have gone with the consensus then that
warm temps return to the area for today with highs reaching the
upper 70s to low 80s.

Surface and upper low lift out for Tue night and Wed and will
actually see some upper level riding across the area. With only
sct clouds at best to work with... Temps will continue their rise
with lower to mid 80s anticipated area wide.

Deese
long term /Wednesday night through Monday/...

dry conditions from the short term period will carry over into the
long term for a brief period of time. On Wednesday night... A weak
mid level shortwave ridge will be pushing east of the local
area... With associated weak area of sfc high pressure also moving
east with it into the atlantic. Although conditions will remain dry
into the very early morning hours Thursday... A cold front will be
approaching from the west. Plenty of instability along and in the
near vicinity of the frontal boundary will help sustain
thunderstorm activity. As of right now... Widespread severe weather
does not seem likely... However enough shear in the vicinity of a
llj across northwest and portions of north central georgia may be
enough for isolated severe weather in the morning hours. This
isolated threat may shift to central georgia Thursday afternoon as
better shear moves into this area ahead of the frontal boundary
and may be able to work in tandem with diurnal heating. Main
threats Thursday look to be gusty winds and hail /as mid level
lapse rates expected to remain over 6c/km/... Though a brief... Very
isolated spinup isn't out of the question across northwest
georgia Thursday morning /0-1km shear >30kts with dewpoints rising
to near 60/.

At least a portion of this frontal boundary will stall across
georgia Thursday night into Friday as the parent system moves well
north. As this occurs... A closed mid level low will begin developing
across the southern rockies within a broad cyclonic flow regime. The
digging nature of this feature will help build a midlevel
subtropical ridge into the southeast /with bermuda sfc high also
building into the region/. This will lift the stalled frontal
boundary north as a warm front and push a rather moist and unstable
/dewpoints perhaps mid-upper 60s/ airmass into the southern us. This
unstable airmass will promote the development of diurnally driven
thunderstorm activity Friday through Sunday... Where warm frontal
forcing/orographic forcing will likely also enhance lift for
thunderstorms on Friday across far north georgia. Anything severe
fri-sun would be of the pulse variety at this point. As the closed
low induces sfc cyclogenesis over the southern plains this
weekend... It will pivot northeast into the great lakes by early
next week. This will push another cold front towards the area
Monday. Too early to determine severe potential... Though shear
improves with better upper level jet support. A return to stable
and cooler conditions will follow this FROPA just outside of the
extended.

Kovacik

Aviation
12z update...

although clouds briefly cleared out from the atl terminals... New
lower deck now moving in. Have included a tempo bkn005 for
pdk... Ryy and fty but just sct at atl for now. This will need to
be monitored closely for the next several hours. Rapid clearing
anticipated later this morning with all sites becomingVFR by mid
morning. Some low end gusts possible at atl throughout the day.

//atl confidence... 12z update...

medium on ifr/lifr potential.

High on remaining elements.

Deese

Preliminary point temps/pops
Athens 79 57 84 62 / 10 0 0 5
atlanta 78 60 82 63 / 5 0 0 5
blairsville 74 51 81 58 / 5 0 0 5
cartersville 77 57 83 62 / 5 0 0 5
columbus 81 59 84 62 / 0 0 0 5
gainesville 77 58 82 62 / 5 0 0 5
macon 81 56 85 58 / 10 0 0 5
rome 79 54 84 62 / 5 0 0 10
peachtree city 78 55 83 57 / 5 0 0 5
vidalia 81 61 86 62 / 20 0 0 5

Ffc watches/warnings/advisories
None.

Short term... Deese
long term... .Kovacik
aviation... Deese


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marietta, Cobb County-McCollum Field Airport, GA6 mi53 minWNW 610.00 miMostly Cloudy59°F53°F82%1009.1 hPa
Cartersville, Cartersville Airport, GA12 mi47 minN 09.00 miOvercast58°F55°F90%1008.8 hPa
Marietta / Dobbins Air Force Base, GA13 mi42 minNW 810.00 miMostly Cloudy61°F55°F81%1008.5 hPa
Dallas Paulding County Regional Airport, GA22 mi45 minNW 510.00 miOvercast64°F64°F100%1009.1 hPa
Atlanta, De Kalb-Peachtree Airport, GA23 mi47 minNW 810.00 miOvercast62°F54°F75%1007.9 hPa
Atlanta, Fulton County Airport-Brown Field, GA23 mi47 minNW 610.00 miMostly Cloudy63°F57°F81%1008.2 hPa

Wind History from RYY (wind in knots)
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
Last 24hrCalmN3N4N4NW5NW6N6NW6NW5NW7NW6W6NW3--------------NW7NW5NW8NW6
1 day agoE10
G19
SE11
G17
SE7W10
G18
NW8NW5NW5NW4NE4SE8SE8
G15
SE8SE8--------------CalmE4CalmCalm
2 days agoW10
G20
W14NW7SW11
G17
SW8------SW11SW7W6CalmN6--------------E6E8E10SE8

Tide / Current Tables for
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map and Satellite Images
       (on/off)   Help
Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Peachtree City, GA (10,2,3,4)
      (on/off)   Help

Ground Weather Radar Station Atlanta, GA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.