684
FXUS64 KSHV 190200
AFDSHV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
900 PM CDT SAT MAY 18 2013
DISCUSSION
QUIET SUMMER LIKE WEATHER EXPECTED THROUGH AT LEAST SUNDAY MORNING AS
RIDGING AHEAD OF LONG WAVE TROUGH CENTERED OVER CO TO KEEP AREA RAIN
FREE. SOME TSTMS MAY MOVE INTO THE W PORTIONS OF DEEP E TX AND
EXTREME SE OK BY SUNDAY EVENING...BUT THESE SHOULD DIMINISH AFTER
SUNSET WITH LOSS OF DAYTIME HEATING IF THEY INDEED DO MOVE THIS
FAR E.
STRONG SRLY SFC FLOW TO DEVELOP ALONG AND AHEAD OF THE TX AND OK
DRYLINE DURING LATE SUNDAY MORNING THROUGH SUNSET. HAVE ELECTED TO
POST A LAKE WIND ADVISORY FOR OUR E TX AND SE OK COUNTIES
ACCORDINGLY AS WE APPROACH A HOLIDAY WEEKEND. FURTHER E...THE FLOW
SHOULD REMAIN JUST BELOW LAKE WIND ADVISORY CRITERIA ACROSS SRN AR
AND NRN LA. /VIII/
AVIATION
CU FIELD HAS JUST ABOUT DISSIPATED ACROSS THE REGION THIS EVENING
WITH INCREASING CIRRUS UPSTREAM NOTED ON IR IMAGERY ACROSS SE INTO
CENTRAL TX. LOW LEVEL MOISTURE WILL ONCE AGAIN BE ON THE INCREASE
OVERNIGHT IN THE FORM OF MVFR CEILINGS. EXPECT THE I-20 CORRIDOR
TERMINALS TO SEE THIS IN THE 06-10Z TIMEFRAME BUT NOT QUITE SOLD ON
REDUCTIONS IN VISIBILITIES AS WAS THE CASE LAST NIGHT. HAZE NOT
NEARLY AS PROMINENT ATTM COMPARED TO 24 HOURS AGO BUT MAY GO AHEAD
AND TEMPO A 3-5 MILE VISIBILITY EITHER SIDE OF SUNRISE AT MOST
LOCATIONS.
AS WAS THE CASE THIS MORNING...EXPECTING MVFR/TEMPO IFR CONDITIONS
TO SCATTER OUT IN THE 15-17Z TIMEFRAME. AN INCREASING PRESSURE
GRADIENT ON SUNDAY WILL RESULT IN STRONG S WINDS SUSTAINED NEAR
12-15KTS WITH GUSTS AS HIGH AS 25KTS AT THE TYR/GGG/TXK/SHV
TERMINALS DURING THE LATE MORNING/AFTERNOON HOURS ON SUNDAY.
/13/
PRELIMINARY POINT TEMPS/POPS
SHV 71 90 73 89 72 / 10 10 10 10 10
MLU 72 88 72 88 71 / 10 10 10 10 10
DEQ 70 88 72 86 69 / 10 10 20 20 30
TXK 70 89 73 86 71 / 10 10 10 10 20
ELD 71 87 72 88 70 / 10 10 10 10 10
TYR 69 92 71 89 73 / 10 10 10 10 10
GGG 70 91 72 88 72 / 10 10 10 10 10
LFK 71 93 72 90 73 / 10 10 10 10 10
SHV WATCHES/WARNINGS/ADVISORIES
AR...NONE.
LA...NONE.
OK...LAKE WIND ADVISORY FROM 10 AM TO 8 PM CDT SUNDAY FOR THE
FOLLOWING ZONES: OKZ077.
TX...LAKE WIND ADVISORY FROM 10 AM TO 8 PM CDT SUNDAY FOR THE
FOLLOWING ZONES:
TXZ096-097-108>112-124>126-136>138-149>153-165>167.
VIII/13
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