Area Forecast Discussion
Issued by NWS Aberdeen, SD

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000
FXUS63 KABR 281724 AAC
AFDABR

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
1224 PM CDT MON JUL 28 2014

.UPDATE...
18Z AVIATION FORECAST DISCUSSION UPDATED BELOW.

ONLY MINOR UPDATES EXPECTED FOR THE REST OF THE DAY.

&&
.PREVIOUS DISCUSSION...
.SHORT TERM...THROUGH WEDNESDAY

AN AREA OF STRATUS AROUND 6KFT IS PASSING THROUGH THE AREA THIS
MORNING. NAM PROFILES SHOW ANOTHER DAY OF WEAK INSTABILITY...SO
ADDITIONAL STRATOCUMULUS WILL LIKELY DEVELOP AROUND ITS PERIPHERY
ONCE THE SUN COMES UP. THAT SAID...WILL MAINTAIN HIGHS AS PARTIAL
CLEARING BY MID/LATE AFTERNOON WOULD STILL ALLOW FOR TEMPS TO REACH
INTO THE 70S. SURFACE HIGH PRESSURE CONTINUES TO DOMINATE THE REST
OF THE FORECAST TIMEFRAME WITH STABLE CONDITIONS. A SLOW WARMING
TREND IS EXPECTED THROUGH MID WEEK AS WELL COLD ADVECTION WEAKENS
TODAY AND WARMER AIR BEGINS TO INFILTRATE FROM THE WEST LATE IN THE
PERIOD.

.LONG TERM...WEDNESDAY NIGHT THROUGH SUNDAY
THE LONG WAVE PATTERN REMAINS NEARLY THE SAME THROUGH THE LONG
TERM. THE 50H RIDGE OVER THE WESTERN US AND TROUGH OVER THE EASTERN
US PATTERN REMAINS FROM WEDNESDAY NIGHT THROUGH SUNDAY. ALTHOUGH...THE
EASTERN US TROUGH WEAKENS SUBSTANTIALLY THROUGH THE PERIOD. THUS...WEAK
SURFACE HIGH PRESSURE WILL REMAIN ACROSS THE REGION WITH MAYBE SOME
EASTWARD MOVEMENT LATE. EXPECT MOSTLY CLEAR SKIES...DRY CONDITIONS...
LIGHT WINDS WITH HIGHS MAINLY IN THE 80S THROUGH THE ENTIRE PERIOD.

&&

.AVIATION...
18Z TAFS FOR THE KABR...KATY...KPIR AND KMBG TERMINALS

PREVAILING VFR CONDITIONS ARE EXPECTED FOR ALL TERMINALS THROUGH
THE VALID TAF PERIOD. SCT-BKN STRATUS CLOUDS WILL DRIFT ACROSS THE
TERMINALS THROUGH THIS EVENING BEFORE DISSIPATING UPON SUNSET.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
&&

$$
UPDATE...TDK
SHORT TERM...CONNELLY
LONG TERM...MOHR
AVIATION...SD

WEATHER.GOV/ABERDEEN



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