Scientific Forecaster Discussion
Area forecast discussion...updated
National Weather Service Huntsville Alabama
1052 PM CDT Sat may 23 2015
for 06z tafs
/issued 925 PM CDT Sat may 23 2015/
a 500 mb high pressure axis extended from the southeastern US back into the
upper Midwest while an upper low is centered over the central
rockies. The convection now occurring across Texas and most of the Southern
Plains...will stay to our west tonight due to the upper flow pattern.
We still could get some scattered blow off cirrus overnight but for the most
part we will remain mostly clear and mild...thanks to light southeast winds.
Temperatures will only fall into the low 60s with little cooler temperatures (upper
50s) over NE Alabama and portions of southern middle Tennessee. Otherwise no changes to
forecast for now.
for 06z tafs...a few/scattered blowoff cirrus will be possible across the County Warning Area
for the overnight hours. By Sunday low level moisture will increase
across the Tennessee Valley as an upper trough approaches the area. New NAM
data shows a chance of some scattered precipitation mainly between 00z and 06z. For now
will go with vcsh since instability during that time frame does not
look that great for thunderstorms and rain at this time.
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