|Mesoscale Discussion 98|
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Mesoscale Discussion 0098
NWS Storm Prediction Center Norman OK
0814 PM CST Sat Jan 21 2017
Areas affected...Parts of southeast Louisiana into adjacent southern
Concerning...Tornado Watch 15...
Valid 220214Z - 220315Z
The severe weather threat for Tornado Watch 15 continues.
SUMMARY...Severe/tornado risk continues to gradually shift northeast
out of Tornado Watch 15 into adjacent watches.
DISCUSSION...Latest radar loop shows isolated strong/locally severe
storms moving east-northeast across parts of southeast Louisiana
mainly north of I-10/I-12, near and north of the slowly
northward-advancing warm front. The evening LIX RAOB revealed a
very potent severe-storm environment -- both kinematically and
thermodynamically -- in the vicinity of the front, which continues
to spread northeast into parts of Mississippi and Alabama. Though
local risk may linger across WW 15 beyond the scheduled 22/03Z
expiration, expect the main severe/tornado potential to shift north
of the watch over the next couple of hours.
LAT...LON 30968944 30908844 30458844 30249031 30799155 31169158
31329120 31249039 30968944
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