Scientific Forecaster Discussion
Area forecast discussion...updated
National Weather Service Huntsville Alabama
1217 am CDT sun Jul 13 2014
for 06z tafs
/issued 1036 PM CDT Sat Jul 12 2014/
high clouds continue to rotate around the upper level high pressure
into the Tennessee Valley overnight. Therefore slightly increased the cloud
cover to partly cloudy through the remainder of the overnight hours.
Middle levels remain dry but the low level moisture lingers especially
with surface winds veering to become southeasterly by morning...so left
in the patchy fog potential for the early morning hours. Adjusted
the dewpoints up to meet current and expected trends through the
night. Otherwise the rest of the forecast was on track for tonight.
for 06z tafs...VFR conditions will prevail at khsv and kmsl until fog
development before sunrise. Conditions could temporarily lower into
the MVFR category (between 10-13z) until the fog dissipates and VFR
conditions return. Winds will become southwesterly by morning with
showers and thunderstorms possible in the afternoon...but the
coverage is too isolated to include in this taf issuance at this time.
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