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afdhun

Area forecast discussion
National Weather Service Huntsville Alabama
529 PM CST Wed Nov 13 2019

Update...
for 00z tafs.

&&

Near term...(tonight)
issued at 302 PM CST Wed Nov 13 2019

Another clear night tonight, but light southerly flow has brought
temperatures up today. This will keep overnight lows higher than the
previous two nights, up in the upper 20s to low 30s. Surface winds
will remain light and variable.

Short term...(thursday through friday)
issued at 302 PM CST Wed Nov 13 2019

A low pressure system approaches out of northern Mexico/southern
Texas and brings our next chance for precipitation. The track of this
system stays south of the area, so most of the precipitation stays
south of our area. However, parts of northeast Alabama may get
clipped by precipitation with this system. The air mass doesn't
really change as the low pressure system stays to our south, but due
to the timing of precipitation overnight I wouldn't be surprised if
we saw some snowflakes mix in with the rain after midnight Thursday
night/Friday morning. Nothing accumulating, though, as the area that
may see precipitation is only forecast to get down to 33-36 degrees.
Chance of precip ends by midday Friday, and chilly northerly winds
become the story. As the front stays south of the area, we don't
really get a change in air mass between Thursday and Friday, so the
only change in temperatures between the two days will be apparent
temperature. Northerly winds on Friday will make it feel like
temperatures stay in the 40s, while the real temperature rises up to
50 degrees.

Long term...(saturday through tuesday)
issued at 302 PM CST Wed Nov 13 2019

A weak system that brought light precipitation to parts of the area
on Thursday/Friday, by Saturday morning should be moving off of the
NC/SC coast. Cold high pressure building from southeast Canada to the
eastern Great Plains will be the main feature controlling our
sensible weather. With more of a troughing setup over the eastern
conus, a trend of cooler than normal high/low temperatures should
continue into the first half of next week. High temperatures from the
Sat-Mon time frame should range in the mid 50s, with lows near 30
Sat night, rising into the mid 30s by Tue morning. A slight warmer
trend should occur during Tue/Wed, with high temperatures in the
upper 50s on Tue and lower 60s Wed.

No rain is expected for the longer term. However, more clouds than
sky are expected in the Sunday evening into Monday time frame, in
part from a passing weak upper level system.

&&

Aviation...(for the 00z tafs through 00z Thursday evening)
issued at 529 PM CST Wed Nov 13 2019

Other than some high clouds beginning to spread ewd into parts of the
area, high pressure layered across the NE/mid Atlantic states will
maintain VFR conds into the day Thu. Mid/high clouds will continue to
filter into the area out of west-southwest thru the day Thu, as a developing wx
system moves into the wrn Gulf region. Sfc winds are generally xpcted
to remain out of the southeast around 5kt or less.

&&

Hun watches/warnings/advisories...
Alabama...none.
Tennessee...none.
&&

$$

Near term...McCoy
short term...McCoy
long term...rsb
aviation...09

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