FXUS63 KOAX 021930
AFDOAX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
230 PM CDT SAT OCT 2 2010
.SHORT TERM...TONIGHT THROUGH TUESDAY.
TEMPERATURES WILL REMAIN THE MAIN FOCUS IN THE FORECAST AS AREA
STAYS UNDER INFLUENCE OF HIGH PRESSURE BOTH AT THE SURFACE AND ALOFT.
SURFACE HIGH PRESSURE WAS CENTERED OVER WESTERN MINNESOTA AT 19Z
WITH RIDGE AXIS STRETCHING INTO WESTERN NEBRASKA. THIS SYSTEM
SHIFTS SLOWLY EAST DURING THE AFTERNOON WITH RIDGE AXIS OVER THE
FORECAST AREA INTO EARLY SUNDAY MORNING. CLEAR SKIES AND LIGHT
WINDS SHOULD ALLOW GOOD COOLING TONIGHT AND WILL MAINTAIN FROST
ADVISORY ACROSS THE CWA. SOME FREEZING TEMPERATURES POSSIBLE FOR
A SHORT TIME BUT EXPECT TO BE TO LOCALIZED TO SPECIFICALLY HIT FOR
ANY TYPE OF FREEZE HEADLINE. GRADUAL WARMING FOLLOWS THROUGH THE
REMAINDER OF THE SHORT TERM PERIOD AS SURFACE HIGH CONTINUES TO
SHIFT EAST AND UPPER RIDGE BUILDS OVER THE CENTRAL CONUS.
.LONG TERM...TUESDAY NIGHT THROUGH SATURDAY
QUIET WEATHER PATTERN WILL CONTINUE THROUGH THE EXTENDED PERIOD.
OMEGA BLOCK PATTERN WILL BEGIN SLOW BREAKDOWN BY
MID-WEEK...POSITIONING THE UPPER-LEVEL RIDGE MORE SQUARELY OVER THE
CENTRAL US. DESPITE THE COLLAPSE OF THE CLASSIC OMEGA
PATTERN...UPPER LOW IS PROGGED TO REMAIN STATIONARY OVER THE SWRN US
THROUGH NEXT WEEKEND...WITH PERSISTENT UPPER TROUGHING OVER NEW
ENGLAND AND ERN CANADA...LEAVING CENTRAL US DRY AND RIDGED IN
BETWEEN. THUS...DRY FORECAST CONTINUES FOR ALL PERIODS. COLD FRONT
ON WEDNESDAY WILL BRING A SLIGHT DROP IN TEMPS...WITH RECOVERY INTO
THE WEEKEND AS SURFACE HIGH SLIDES EASTWARD AND SOUTHERLY FLOW
RETURNS. HAVE BUMPED UP TEMPS FOR THE WEEKEND UNDER CONTINUED
SOUTHERLY WINDS.
&&
.AVIATION...
TAF SITES KOFK/KOMA/KLNK
18Z TAFS
FROST LIKELY AT ALL TERMINALS BTWN 03/09Z-12Z. OTHERWISE VFR
CONDITIONS WILL PREVAIL THRU THE FCST PD.
&&
.OAX WATCHES/WARNINGS/ADVISORIES...
NE...FROST ADVISORY FROM 4 AM TO 9 AM CDT SUNDAY FOR NEZ011-012-
015>018-030>034-042>045-050>053-065>068-078-088>093.
IA...FROST ADVISORY FROM 4 AM TO 9 AM CDT SUNDAY FOR IAZ043-055-056-
069-079-080-090-091.
&&
$$
FOBERT/MAYES/DEE