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Lawrenceville Weather

Area Forecast Discussion

000
FXUS64 KOHX 291209
AFDOHX

Area Forecast Discussion
National Weather Service Nashville TN
709 AM CDT Sat Apr 29 2017

.UPDATE...
FOR 12Z AVIATION DISCUSSION.

&&

.DISCUSSION...

It was VERY warm early this morning with all stations in the 70s
at 3am...some even in the MID 70s...thanks to yesterday's warm
front now located well to our north plus steady south breezes. 

All the concentrated convection was well to our north overnight
and should stay that way today except for some isolated storms 
that develop this afternoon. Afternoon max temps may approach
record values thanks to building heights and such a warm start to
the day. Deep surface low to our west will help increase southerly
winds today with gusts over 30 mph expected. Breezes will continue
tonight and help cause another balmy night.

Winds will increase further on Sunday and a Wind Advisory will
probably be needed as gusts could approach 40 mph. The next 
threat for storms should hold off until late Sunday as the upper 
level low presently over the Four Corners moves into KS. Will go 
with likely POPs Sunday afternoon for the far western 
counties...decreasing eastward across the midstate. However, near 
100 POPs area wide Sunday night as band of storms sweeps from West
TN through Middle TN. A few storms could be severe Sunday evening
mainly west of Interstate 65. The rains will end late Sunday 
night in most areas except over the Plateau where POPs are needed
though Monday morning.

The upper level low will move from KS toward the Great Lakes early
in the week, leaving TN in zonal flow from late Monday into early
Wednesday. However, models develop a new trough in the central
U.S. by mid week. This trough will bring rain chances back to the
midstate by Wednesday...and especially on Wednesday night and
Thursday. The forecast thereafter is complicated by the big
difference in the way the GFS and ECMWF handle the trough/low late
next week. The GFS has an interesting pattern of a closed low
moving slowly through the Southeast...south of TN...while the 
ECMWF has a large trough over the eastern U.S. Either way, it 
will be cooler and possibly showery late next week.

&&

.AVIATION...
12Z TAF DISCUSSION.

Warm front that pushed across the area yesterday expected to 
hold in the OH valley. This will keep the storm track well north 
today/tonight. VFR conditions are expected through the period but 
winds will become quite gusty later this morning...especially 
CKV/BNA.

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

$$

DISCUSSION......49
AVIATION........07