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Welcome to the Multimedia Impact Briefing for Central Alabama. In this briefing, We
will continue to
discuss the potential for severe weather this evening through Friday morning.
The forecast has remained relatively unchanged over the last couple of days. The Storm Prediction
Center
maintains a day 1 slight risk across almost all of Central Alabama. A strong cold front
will enter
western Tennessee and northern Mississippi during the afternoon. A line of strong to
severe storms will
be located just ahead of the front, moving eastward with time. There will be some strong
winds with
gusts as high as 30-40 mph ahead of the front today, but the strong to severe storms should
not arrive
until after 6 pm. As the cold front moves over the state this evening, there is a chance
for severe
thunderstorms across all of Central Alabama. At this time, the primary threat appears to
be damaging
straight-line winds in excess of 60 mph along the line of thunderstorms. However, there
will be enough
wind shear and instability in the atmosphere for the possibility of isolated tornadoes
as well. The
highest threat area for damaging winds and isolated tornadoes is highlighted in red.
Storms should weaken some during the overnight hours,
but severe storms will still be possible across all the
remainder of Central Alabama. The front should be pushing out of our southeast counties early
Friday
morning.
Again, the main threat with this system will be damaging straight line winds. An isolated
tornado along
the line cannot be ruled out, especially in the highlighted area on the previous graphic
(generally
northwestern half). Hail remains a small threat due to rather modest instability values, and
the threat
for flooding is also low threat due to the speed of the system.
The timing and severe threats shown on the previous images are subject to change as the
storm system
approaches and enters the forecast area later today. So, we ask that you please view the
Graphicasts on
our homepage, which is www.srh.noaa.gov/bmx, this evening and overnight for the latest
information. As
always, if you have any questions, feel free to give us a call at 205-664-3010.