[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Mon Aug 7 13:10:01 CDT 2023


ACUS11 KWNS 071809
SWOMCD
SPC MCD 071809
GAZ000-ALZ000-TNZ000-MSZ000-072015-

Mesoscale Discussion 1884
NWS Storm Prediction Center Norman OK
0109 PM CDT Mon Aug 07 2023

Areas affected...Northern/central Alabama...northern Georgia

Concerning...Severe Thunderstorm Watch 601...

Valid 071809Z - 072015Z

The severe weather threat for Severe Thunderstorm Watch 601
continues.

SUMMARY...The environment will continue to become more favorable for
strong/severe wind gusts. Some potential for storms to push farther
south into Alabama exists as strong heating continues.

DISCUSSION...Storms in northern Alabama have shown some signs of
weakening over the past 1-2 hours. However, the downstream
environment in northern Georgia continues to become more favorable
for intensification of this activity. Strong/severe wind gusts will
remain the primary threat this afternoon. Temperatures are
continuing to approach or exceed 90 F from northern Georgia into
central Alabama. MLCAPE has risen to 3000+ J/kg. Another linear
segment of storms has recently developed in northeast Mississippi.
These storms may be slightly elevated above the outflow from earlier
storms. The main uncertainty is how far south any of the current and
additional development will go this afternoon. Modifying the 12Z
observed BMX sounding for current surface observations suggests that
the boundary layer is virtually uncapped. Between the northeast
Mississippi activity and signs of development along the southern
fringe of outflow, storms may try to push farther south into parts
of central Alabama. Should this occur, local extension of WW 601 may
be necessary.

..Wendt.. 08/07/2023

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...FFC...OHX...BMX...HUN...MEG...JAN...

LAT...LON   33708866 33768876 34058913 34308915 34728877 35038787
            35038778 34928617 34898431 34458368 33828378 33368504
            32838610 33028765 33378823 33708866
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