Special Weather Statement, NWS Lake Charles, LA

Area Forecast Discussion
National Weather Service Lake Charles LA
725 AM CDT Sat Apr 29 2017

.AVIATION...Strong and gusty south to southeast winds will persist
today as deep low pressure advances northeast from north Texas.
This system will advance a cold front across the area later
tonight with showers and thunderstorms expected along the
boundary. A few pre-frontal showers and possibly a thunderstorm
will remain possible through this evening while MVFR ceilings will
prevail.

&&

.PREV DISCUSSION... /issued 658 AM CDT Sat Apr 29 2017/

AVIATION...Strong and gusty south to southeast winds will persist
today as deep low pressure advances northeast from north Texas.
This system will advance a cold front across the area later
tonight with showers and thunderstorms expected along the
boundary. A few pre-frontal showers and possibly a thunderstorm
will remain possible through this evening.

PREV DISCUSSION... /issued 558 AM CDT Sat Apr 29 2017/

DISCUSSION...
Very strong and gusty winds this morning flowing into a storm
system over Texas/Oklahoma. Winds are already averaging 15 to
25 mph with gusts to 35 mph. Clouds and gulf moisture have held
temperatures steady in the mid to upper 70s as dew points hungout
in the low to mid 70s. Conditions are not expected to improve
today.

A wind Advisory has been for all of southern Louisiana and
portions of southeast Texas through Sunday. A Coastal Flood
Warning has also been issued as the southerly winds have piled
up water along the coast. Minor flooding is expected. Tides are
expected to remain elevated through about the noon hour before
beginning a slow fall by the late afternoon hours.

An area of low pressure over north Texas with and adjacent cold
front will move out of west texas today as an upper level trof
digs into west Texas. This will support storm development across
Texas and into Louisiana. CAPE over the region is running from
3500 to 4500 j/KG with the LI from -8 to -10. The LCL is at 1335m
with the LFC at 1532m... precip water 2.15 inches which is
indicating plenty of moisture is available. SRH from SFC thru 3
km is 134 m/s. As the trof digs down and we pickup modest daytime
heating this will all combine to support storms this afternoon
into the overnight hours. Rainfall totals should average around
one inch most locations inland with some locations receiving
upwards to three to five inches. Some minor flooding will be
possible. The threat today looks to be from straight line winds
and hail. The frontal system is expected to finally push through
by the late morning hours on Sunday.

Drier air spills into the northwest gulf region through the early
portion of the week with storms again returning on Wednesday.

&&

.PRELIMINARY POINT TEMPS/POPS...
AEX  88  70  74  52 /  40  90 100  20
LCH  86  68  75  54 /  40 100 100  10
LFT  89  75  78  59 /  30  50 100  20
BPT  87  66  78  54 /  30 100  70  10

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...Coastal Flood Warning until noon CDT today for LAZ073-074.

     Wind Advisory until 7 AM CDT Sunday for LAZ041-042-073-074.

     Wind Advisory until 9 PM CDT this evening for LAZ027>033-043>045.

     Coastal Flood Advisory until noon CDT today for LAZ041-052.

     Wind Advisory until 11 AM CDT Sunday for LAZ052>055.

TX...Wind Advisory until 7 AM CDT Sunday for TXZ215-216.

     Wind Advisory until 9 PM CDT this evening for TXZ180-201-259>262.

     Coastal Flood Advisory until noon CDT today for TXZ215.

GM...Small Craft Advisory until 7 AM CDT Sunday for GMZ430-432-435-
     450-452-455-470-472-475.

&&

AVIATION...23

Hazardous Weather Outlook
National Weather Service Lake Charles LA
456 AM CDT Sat Apr 29 2017

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
301000-
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-Tyler-Hardin-Jefferson-Orange-Northern Jasper-
Northern Newton-Southern Jasper-Southern Newton-
456 AM CDT Sat Apr 29 2017

This Hazardous Weather Outlook is for portions of central
Louisiana, south central Louisiana, southwest Louisiana, west
central Louisiana, and southeast Texas.

.DAY ONE...Today and Tonight
A Coastal Flood Warning for minor flooding as strong winds pile up
water along the coast this morning. Otherwise strong and gusty
winds today over southeast Texas and southern Louisiana. A Wind
Advisory has been posted through Sunday morning as a cold front
will make it's way down into the region. Scattered to numerous
showers and thunderstorms expected to develop out ahead of the
front. There is a chance that some storms may become severe with
the main threat hail and winds. Heavy rains will also accompany
these storms. Storms will draw to a close Sunday afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday
Rains ending Sunday evening as drier air spills in from the
northwest. Cooler and drier air will start out the week but rains
return by midweek as another front will makes it's presents felt.
The front comes through on Thursday morning with the region
expected to dry out for the rest of the week.

.SPOTTER INFORMATION STATEMENT...
Spotter activation may be required.

GMZ430-432-435-450-452-455-470-472-475-301000-
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
456 AM CDT Sat Apr 29 2017

This Hazardous Weather Outlook is for portions of Gulf of Mexico.

.DAY ONE...Today and Tonight
Small Craft Advisory for today into tonight as winds and seas will
remain elevated with the approach a cold front from the northwest.
Showers and thunderstorms expected through Sunday ending behind
the wind shift.

.DAYS TWO THROUGH SEVEN...Sunday through Friday
Winds expected to swing around to the northwest late Sunday
morning as the front moves through with showers tapering off.
Winds are expected to begin relaxing with seas falling Sunday
evening.

.SPOTTER INFORMATION STATEMENT...
Spotter activation may be required.

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