[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 232017
SWOMCD
SPC MCD 232017
TNZ000-GAZ000-ALZ000-MSZ000-232215-

Mesoscale Discussion 1137
NWS Storm Prediction Center Norman OK
0317 PM CDT Fri Jun 23 2017

Areas affected...Middle and eastern TN...Northern/central
AL...Northwest GA...Far eastern MS

Concerning...Tornado Watch 365...

Valid 232017Z - 232215Z

The severe weather threat for Tornado Watch 365 continues.

SUMMARY...Threat for damaging wind gusts and a tornado or two
continues in and near WW 365.

DISCUSSION...A broken line of convection has evolved across middle
TN into central/northern AL and far eastern MS. Periodic bowing
segments have developed along this line during the last 1-2 hours,
and these may continue to develop through the late afternoon, given
moderately strong, unidirectional southwesterly wind profiles. Ahead
of the line, somewhat more discrete convection has developed ahead
of the main line. Low-level shear remains sufficient for a tornado
or two, particularly with the strongest of the more discrete cells
ahead of the line, while sporadic damaging wind gusts will continue
to be possible, especially with any bowing segments that persist.

Some severe threat will continue immediately south and east of the
watch, though wind profiles become increasingly marginal with
eastern/southern extent. At this point, it is uncertain whether any
watch expansion or new watch issuance will be required to cover any
threat outside of WW 365.

..Dean.. 06/23/2017

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

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

LAT...LON   32488870 33158793 34388681 35478659 36518595 36578468
            36578333 32968638 32368707 32318748 32328803 32358875
            32488870
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