Area Forecast Discussion
Issued by NWS Shreveport, LA

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151
FXUS64 KSHV 052208
AFDSHV

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
408 PM CST FRI FEB 5 2016

.DISCUSSION...
SURFACE HIGH PRESSURE HAS SHIFTED EAST OF THE FOUR STATE REGION
THIS AFTERNOON WITH SOUTHERLY WINDS RETURNING AROUND THE BACK
WHICH MAY ALLOW SOME WARMING TO THE WEST. THE FLOW ALOFT HAS
SHIFTED TO SOUTHWEST WITH PACIFIC MOISTURE SPREADING OVER THE FOUR
STATE REGION THIS AFTERNOON WITH PASSAGE OF A WEAK SHORT WAVE. A
SECOND AND MORE AMPLIFIED SHORT WAVE TROUGH FROM SOUTHWEST KANSAS
ACROSS THE PAN HANDLES OF TEXAS AND OKLAHOMA AND INTO SOUTHEAST
NEW MEXICO AND WEST TEXAS AND NORTHEAST MEXICO. THIS SYSTEM ALONG
WITH A SURFACE LOW PRESSURE SYSTEM OVER THE RED RIVER VALLEY OF
TEXAS AND OKLAHOMA WILL WORK EAST OVERNIGHT AND PROVIDE FOR A
CHANCE OF RAIN AND SHOWERS OVER WESTERN SECTIONS OF THE FORECAST
AREA OVERNIGHT AND ON SATURDAY. TEMPERATURES WILL BE BELOW
FREEZING BRIEFLY OVER PARTS OF SOUTHEAST OKLAHOMA AND MAY PROVIDE
A PERIOD OF A MIX OF LIGHT FREEZING RAIN OR RAIN BEFORE
TEMPERATURES WARM ABOVE FREEZING. BRIEF RIDGING ON THE SURFACE AND
ALOFT WILL MOVE OVER THE AREA ALLOWING FOR A GRADUAL WARM UP IN
TEMPERATURES THROUGH REMAINDER OF THE WEEKEND...BUT FOR THE START
OF THE WORKWEEK...A LARGE AMPLIFIED WEST COAST RIDGE DEVELOPS WITH
A TROUGH OF LOW PRESSURE AMPLIFYING OVER THE EASTERN PARTS OF THE
COUNTRY WITH A SUPPLY OF COLD AIR IN STORE FOR THE FOUR STATE
REGION THROUGH AROUND MID WEEK. FOR LAST WEEK TEMPERATURES WILL
START TO WARM AS SURFACE LOW PRESSURE SHIFTS ACROSS WEST TEXAS AND
SOUTHWEST OKLAHOMA AND SURFACE HIGH PRESSURE SHIFTS INTO THE
SOUTHEAST STATES. SHOULD REMAIN DRY THROUGH NEXT WEEK. /06/

&&

PREV DISCUSSION... /ISSUED 1028 AM CST FRI FEB 5 2016/

AVIATION...
SHORT WAVE TROUGH CENTERED OVER KS TO CONTINUE MOVING E THROUGH
SATURDAY. EXPECT MID LEVEL CLOUDS TO SPREAD FROM W TO E ACROSS THE
ARKLATEX REGION AND NE LA THROUGH SATURDAY MORNING. ALSO SCT AREAS OF
LIGHT RAIN MAY DEVELOP AS WELL AS WELL AS SOME WIDELY SCT AREAS OF
MVFR VISIBILITY DURING SATURDAY MORNING NEAR SUNRISE.

BY LATE SATURDAY...THE SHORTWAVE TROUGH CONTINUES MOVING E AND
NEGATIVE VORTICITY ADVECTION CLEARS OUR SKIES AGAIN FOR SUNDAY.
/VIII./


&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  34  53  33  61 /  20  30  10   0
MLU  32  52  32  60 /  10  10  10   0
DEQ  30  53  29  59 /  10  20   0   0
TXK  34  52  32  59 /  20  20  10   0
ELD  33  52  31  59 /  10  10  10   0
TYR  36  53  34  63 /  40  40  10   0
GGG  35  53  32  62 /  30  40  10   0
LFK  35  56  32  63 /  40  40  10   0

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
LA...NONE.
OK...NONE.
TX...NONE.
&&

$$

06/08



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