Area Forecast Discussion
Issued by NWS Shreveport, LA

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000
FXUS64 KSHV 212001
AFDSHV

Area Forecast Discussion
National Weather Service Shreveport LA
301 PM CDT THU JUL 21 2016

.DISCUSSION...
At the surface, a very weak boundary stretches across southern
Arkansas into north Louisiana. Showers and isolated thunderstorms
have started developing along the boundary. East of the boundary,
dew point values have been averaging in the low to mid 70s with
dew point values in the mid to upper 60s west of the boundary.
A Heat advisory remains in effect for all areas except deep East
Texas. Current heat index values have been ranging from 105 to
110 across Northwest louisiana and southern Arkansas with lesser
amounts elsewhere.

Convection to gradually diminish after sunset with overnight low
temperatures forecast to fall into the upper 70s.

Forecast for Friday expected to be very similar to today. Ongoing
heat advisory to remain in effect through Friday afternoon with a
chance of afternoon showers and thunderstorms possible mainly
across southern Arkansas and north Louisiana.

Changes are expected during weekend as the upper-level ridge that
has maintained hot and dry conditions across the region begins to
weaken. This will allow for slightly cooler temperatures across
the region along with increased chances for afternoon showers and
thunderstorms through the weekend into next week.

A weak frontal boundary will linger across southern Arkansas on
Tuesday into Wednesday maintaining a chance for showers and
thunderstorms through the remainder of the forecast period.

Otherwise, temperatures next week to average from highs in the
mid 90s to lows in the mid 70s under partly to mostly cloudy
skies. /05/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  79  99  79  96 /  20  30  20  40
MLU  78  97  78  96 /  20  40  20  40
DEQ  76  99  77  97 /  10  20  10  30
TXK  79  99  78  97 /  20  20  10  30
ELD  78  98  78  96 /  20  30  20  40
TYR  78  99  78  97 /  10  10  10  30
GGG  78  99  78  97 /  20  20  10  30
LFK  77  98  77  97 /  20  30  20  30

&&

.SHV Watches/Warnings/Advisories...
AR...Heat Advisory until 7 PM CDT Friday for ARZ050-051-059>061-
     070>073.

LA...Heat Advisory until 7 PM CDT Friday for LAZ001>006-010>014-
     017>022.

OK...Heat Advisory until 7 PM CDT Friday for OKZ077.

TX...Heat Advisory until 7 PM CDT Friday for TXZ096-097-112-126.

&&

$$

05


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