Area Forecast Discussion
Issued by NWS Shreveport, LA
FXUS64 KSHV 240034
Area Forecast Discussion
National Weather Service Shreveport LA
634 PM CST Thu Feb 23 2017
For the 24/00Z TAFs, VFR conditions with SKC to begin this period
with breezy south winds from 8-14 kts and occasional higher gusts.
Low stratus will begin to advect northward after midnight ahead of
an approaching cold front. MVFR/IFR conditions will spread across
all sites until the front gradually clears from west to east from
mid to late morning across E TX sites through the afternoon hours
in N LA/S AR. Winds will quickly shift NW with frontal passage and
some gusts up to 20 kts or higher could occur invof of the front.
Skies will clear behind the front so VFR conditions will return
late in the period as the front advances on to the east, finally
clearing MLU at the very end of TAF period at 25/00Z.
.PREV DISCUSSION... /issued 504 PM CST Thu Feb 23 2017/
A tight pressure gradient between a tightly wound surface low
pressure system over Southwest Kansas and the Panhandles of Texas
and Oklahoma and surface high pressure over the Southeast States
will produce strong and gusty Southerly winds over Southeast
Oklahoma and much of East and Northeast Texas and adjacent
sections of Southwest Arkansas and Northwest Louisiana. The winds
of 15-20 MPH with gusts to 30 MPH will start to taper off into the
middle to late evening. Another warm day in store for Friday
but may be a little cooler than today with possible cloud cover.
An upper level closed low and trough of low pressure will be
swinging across the central sections of the country with a cold
front moving through the Four State Region Friday. This system
will cold through dry with only small chances of rain just
along the Eastern fringes of the forecast area. Overnight
temperatures for Friday night and Saturday night will be in the
30/s and may dip lower over parts of Southeast Oklahoma and
Southwest Arkansas. Daytime highs for Saturday will be nearly 20
degrees colder than readings on Friday. The upper level storm
system will be lifting into the Great Lakes region and the Eastern
States followed by a nearly zonal flow over the Four State Area
for Region area. The next upper system will be approaching to
forecast area for the late weekend returning rain chances which
will last in to the start to the workweek. Another system comes
through around mid week with the next chance for precipitation and
cooler weather. /06/
.PRELIMINARY POINT TEMPS/POPS...
SHV 57 81 41 60 / 10 10 0 0
MLU 57 82 43 60 / 10 10 10 0
DEQ 53 72 33 55 / 10 10 0 0
TXK 56 76 36 56 / 10 10 0 0
ELD 55 78 36 57 / 10 10 0 0
TYR 56 76 40 59 / 10 10 0 0
GGG 56 78 40 59 / 10 10 0 0
LFK 59 83 42 66 / 10 10 0 0
AR...Lake Wind Advisory until 11 PM CST this evening for ARZ059-070.
LA...Lake Wind Advisory until 11 PM CST this evening for LAZ001-002-
OK...Lake Wind Advisory until 11 PM CST this evening for OKZ077.
TX...Lake Wind Advisory until 11 PM CST this evening for TXZ096-097-