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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Shreveport LA
612 AM CDT Tue Mar 28 2017

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-281700-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-
Grant-Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-
612 AM CDT Tue Mar 28 2017

This Hazardous Weather Outlook is for portions of south central
Arkansas...southwest Arkansas...north central Louisiana...
northwest Louisiana...southeast Oklahoma...east Texas and
northeast Texas.

.DAY ONE...Today and Tonight...

While isolated showers and thunderstorms will be possible today
areawide as a warm front begins to lift back north into extreme
Northeast Texas, Southeast Oklahoma, and Southwest Arkansas,
scattered showers and thunderstorms are expected to increase late
across Southeast Oklahoma and the western sections of East Texas
ahead of an upper level disturbance that will lift northeast ahead
of a vigorous upper level storm system that will drift into the
Texas Panhandle. However, the threat for significant severe
weather is low across these areas late tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday...

An area of showers and thunderstorms will drift east into
McCurtain County Oklahoma, East Texas, and extreme Southwest
Arkansas Wednesday morning, and begin to intensify by afternoon as
daytime heating contributes to increased instability, and forcing
aloft increases ahead of the upper low as it drifts east across
the upper Red River Valley. Coupled with the strong wind shear in
place, numerous strong to severe thunderstorms will develop over
East Texas, Southeast Oklahoma, Southwest Arkansas, and Western
Louisiana Wednesday afternoon, with the threat for damaging winds,
isolated tornadoes, hail, and locally heavy rainfall. The severe
weather threat will shift east across Southcentral Arkansas and
Northcentral Louisiana Wednesday evening, with showers and
thunderstorms expected to diminish from west to east Thursday
night. Additional scattered showers and thunderstorms are expected
to redevelop Thursday morning through the early afternoon
especially over North Louisiana and Southwest Arkansas, ahead of
an associated cold front and the parent storm system as it shifts
east over the region. Some of these storms may also become severe
over these areas, with large hail and damaging winds the primary
threats. Cooler and drier air will follow the cold frontal passage
Thursday through Saturday, before showers and thunderstorms
increase once again Sunday and Sunday night with the threat for
additional severe thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel...amateur radio
operators...and storm spotters should not be needed through
tonight.

$$

15




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