Area forecast discussion...updated
National Weather Service Peachtree City Georgia
130 am EDT Sat may 25 2013
Previous discussion... /issued 1136 PM EDT Friday may 24 2013/
Update...
temperatures cooling just a little slower than expected so have tweaked
them up just a tad...especially over middle Georgia. Cool spots so far are
north of atl metropolitan in areas prone to radiational cooling...
Cartersville and Canton ASOS specifically. Rest of forecast looks
good. Enjoy the quiet weather before the upper ridge builds in
next week.
Snelson
Previous discussion... /issued 907 PM EDT Friday may 24 2013/
Update...
winds subsiding as expected. Going forecast looks good. Some concern
about record lows being tested tonight...especially at ahn and mcn /see
record temperatures in climate section below/. So far only csg showing
drier conditions than forecast so could see min temperatures go a couple
degrees lower than forecast. Otherwise temperatures and dewpoints on track.
Will continue to monitor for this.
Snelson
Previous discussion... /issued 356 PM EDT Friday may 24 2013/
Short term /tonight through Saturday night/...
pleasant weather expected for the short term. Clouds that lingered
across north Georgia much of the morning have dissipated and skies
are expected to remain clear overnight. Northwest flow across the
area aloft while high pressure centered over the Great Lakes region
continues to dominate at the surface. With the surface high influencing the
County Warning Area through the short term...the area will remain dry. A weak
shortwave moves through the Tennessee Valley Saturday night and
approaches north Georgia by late Saturday night however no precipitation is
expected with this shortwave and the main impact will be an increase
in middle level clouds.
Overnight lows will be well below normal tonight and Saturday night.
Although ahn low temperature forecast for tonight is close to a record
minimum temperature...mcn is the only place forecast to tie the
record min. For Saturday night though...temperatures will be
slightly warmer and am not forecasting any record breaking lows. Maximum
temperatures on Saturday will remain a few degrees below normal.
11
Long term /Sunday through Friday/...
the models keep the area of high pressure in control for much of
the forecast area...though a short wave rides over the ridge that
could threaten some of the northern counties with a chance of
showers Sunday. However...we chose not to include the mentioning of
showers at this time...as moisture was limited. As the flow continued
around the high...another short wave moves across Alabama and
northern Georgia Monday night into Tuesday... and posing the threat
of showers again...through not a lot of moisture present for this
event either.
Temperatures will be on the rise throughout the period...starting
in the upper 40s and lower 50s for morning lows Sunday...and peaking
in the middle and upper 80s by Friday.
37
Fire weather...
fuels are dry across most of north and central Georgia. With winds
speeds above 15 miles per hour...Fire Danger Statement remains in effect
through this evening. Although wind speeds will be lower on
Saturday...relative humidity values will drop below 25 percent for around 4 hours
so will have to monitor this for a potential Fire Danger Statement
needed for Saturday.
Climate...
Records for 05-25
Maximum temperature min temperature
station high low high low
------- ---------- ---------- ---------- ----------
kahn 100 1926 65 1979 71 2004 46 1979
1956
katl 93 1960 63 1895 72 2004 46 1979
1953 1953
kcsg 95 2012 71 1979 75 2000 51 1979
2011 1956
1953
kmcn 98 1953 65 1923 74 2000 49 1979
Records for 05-26
Maximum temperature min temperature
station high low high low
------- ---------- ---------- ---------- ----------
kahn 99 1911 63 1963 72 2004 41 1979
katl 94 1936 64 1923 73 1989 43 1979
1916 1901
1911
kcsg 97 2012 75 1961 74 2000 47 1979
1989
kmcn 98 1962 69 1901 72 1921 49 1979
&&
Aviation...
06z update...
VFR through the period. Light northwest winds currently should shift
quickly to NE and remain there through the morning...and back to
SW this afternoon /current timing for atl is 19z/. Winds subside
again overnight tonight. Few high clouds move in late in the
period but nothing substantial.
//Atl confidence...06z update...
medium-high on timing of wind shifts.
High on all other elements.
Tdp
&&
Preliminary point temps/pops...
Athens 78 52 83 55 / 0 0 5 10
Atlanta 77 57 82 57 / 0 0 5 5
Blairsville 75 47 76 51 / 0 0 5 10
Cartersville 79 48 83 51 / 0 0 0 10
Columbus 82 57 86 59 / 0 0 0 5
Gainesville 77 54 80 57 / 0 0 5 10
Macon 81 52 85 55 / 0 0 0 5
Rome 79 48 83 51 / 0 0 5 10
Peachtree City 79 48 84 49 / 0 0 5 5
Vidalia 84 56 86 61 / 0 0 0 5
&&
Ffc watches/warnings/advisories...
none.
&&
$$
