Severe Storm Outlook Narrative (AC)
Issued by NWS
ACUS11 KWNS 300635
SPC MCD 300634
Mesoscale Discussion 0376
NWS Storm Prediction Center Norman OK
0134 AM CDT Thu Mar 30 2017
Areas affected...south central MS through southeast LA
Concerning...Tornado Watch 101...
Valid 300634Z - 300800Z
The severe weather threat for Tornado Watch 101 continues.
SUMMARY...Tornado risk continues to trend downward as primary threat
has transitioned to isolated damaging wind across remaining portion
of tornado watch 101. This watch will be allowed to expire at 08Z.
While some risk for mainly a few strong wind gusts may persist from
southeast LA into southern MS for an hour or two beyond 08Z, the
overall threat is expected to remain too marginal for another WW
DISCUSSION...Broken squall line from southern MS into central
portions of coastal LA is moving east at 25-30 kt, while individual
storms embedded within the line move more rapidly northeast. A few
loosely organized storms persist within a portion of the line
including bowing segments across southern and south central MS. VWP
data show largely unidirectional wind profiles with modest size
low-level hodographs. Tendency will be for the low-level jet to
gradually shift north toward the TN Valley and away from the more
unstable portion of the warm sector into the early morning. While
threat for mostly a few strong to damaging wind gusts may persist
next 2-3 hours as storms continue through the marginally unstable
environment, overall threat appears too marginal for an additional
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 29769292 30149184 31209075 32369019 32728985 32368949
30888991 29769050 29379186 29769292