Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Nashville Tennessee
318 am CST Sat Mar 8 2014
dewpoint depressions around 2f across northern areas this morning.
Not expecting less than 1sm visibilities so will refrain for now on any
freezing fog inclusion for now. Will update as needed later this
Otw...weak surface high positioned over the northern Gulf. Upper flow is
zonal with elevated thickness levels. Frontal boundary is positioned
from northern in southwest through MO and OK. Sat imagery showing partial
upper level cloudiness across much of the region.
The cold front is expected to move southeastward and through the middle
state this evening. Associated forcing will be rather weak and low
level convergence will weaken as the front approaches. Moisture
availability looks narrow and brief. Will include low probability of precipitation for
shower activity tonight...but both probability of precipitation and amounts are expected to
Prevailing airmass on Sunday will be cooler with highs generally in
the 50s though partial sunshine is expected. The seasonable temperatures
will continue into Sunday night with a warmup into the 60s expected
In the ext forecast...warmer still on Tuesday with temperatures approaching 70
for many areas. At that time...a cold front will be settling
southward. This feature will bring another chance of rainfall to the
area for Tuesday night and Wednesday. Euro still holding on to a low
chance of a rain and snow mix across the north for Wednesday nt.
Sunshine to return for Thursday and Friday with seasonal temperatures.
Preliminary point temps/pops...
Nashville 64 39 56 39 / 10 30 10 05
Clarksville 59 34 54 38 / 10 30 10 05
Crossville 61 40 55 38 / 0 30 20 05
Columbia 66 40 59 41 / 0 30 20 10
Lawrenceburg 67 41 61 41 / 0 30 20 10
Waverly 61 36 55 39 / 10 30 10 05