298
FXUS63 KLBF 090946
AFDLBF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
346 AM CST TUE FEB 9 2010
DISCUSSION
FORECAST CHALLENGE WILL BE WIND CHILLS AND SNOW ENDING THIS
MORNING. THEN FOCUS REMAINS ON THE TEMPERATURES THROUGH THE NEAR
TERM. AT 08Z SATELLITE SHOWED STRATUS DEVELOPING SOUTHWEST INTO
PORTIONS OF WESTERN NEB ALTHOUGH NOT WIDESPREAD. THE SURFACE
ANALYSIS ALSO SHOWED HIGH PRESSURE RIDGING SOUTH ON THE HIGH
PLAINS WELL SOUTH INTO THE TX HILL COUNTRY. TEMPERATURES ARE BELOW
ZERO INTO THE EASTERN PANHANDLE WHERE SURFACE WINDS ARE DROPPING
OFF WITH CALM WINDS EXTENDING SOUTHEAST INTO PORTIONS OF SHERIDAN
COUNTY ATTM. WIND CHILL READINGS WERE BELOW ZERO AND EXPECTED TO
FURTHER DROP UNTIL DAYBREAK...WITH THE WIND CHILL ADVISORY CARRIED
FORWARD. THEN SNOW CONTINUES TO FALL ACROSS THE NORTH CENTRAL WITH
THE WINTER WEATHER ADVISORY TO CONTINUE UNTIL 8 AM FOR HOLT AND
BOYD COUNTIES. ONL OBSERVATIONS HAS VISIBILITY LESS THAN A MILE
WITH GUSTY WINDS. AS THE SYSTEM MOVES SOUTHEAST THIS MORNING THE
INFLUENCE ON THE WINDS WILL DIMINISH AND SNOW ENDINGS FROM WEST TO
EAST EARLY WITH ALL HEADLINES LIKELY DROPPED AS OF 8 AM. INTO THE
AFTERNOON THE SURFACE HIGH BUILDS EAST WITH TEMPERATURES TO REACH
INTO THE UPPER TEENS NORTH TO MID 20S EXTREME SOUTHWEST THIS
AFTERNOON.
TONIGHT AS THE SURFACE RIDGE AXIS SHIFTS EAST RETURN FLOW AROUND
THE HIGH DEVELOPS AND COLDER AIR WILL BEGIN TO RECYCLE WHILE
BOUNDARY LAYER MOISTURE INCREASES. SATELLITE SHOWS STRATUS WELL
INTO PORTIONS OF EASTERN COLORADO AND FURTHER NORTH ON THE HIGH
PLAINS WITH MODEL AND BUFKIT SOUNDINGS IN AGREEMENT WITH BOUNDARY
LAYER MOISTURE TO DEEPEN FOR CLOUDS DEVELOPING BEYOND 21Z AS
UPGLIDE WINDS INCREASE OVERNIGHT INTO WEDNESDAY MORNING ACROSS THE
WEST.
WEDNESDAY THROUGH SATURDAY THE FORECAST IS ON TRACK AS THE SPLIT
FLOW PATTERN LINGERS FOR MAINLY DRY CONDITIONS. TEMPERATURES WILL
TREND UPWARDS EACH DAY UNTIL AROUND SATURDAY WHEN THE NEXT COLD
PUSH ARRIVES WITH FEW CHANGES MADE.
AVIATION
UPPER LOW CENTERED OVER THE MISSOURI VALLEY WILL CAUSE WRAP AROUND
MVFR CIGS TIL 18Z TODAY FOR KVTN. SKIES BKN035 DURING AFT TO CLEAR
OUT BY AROUND 00Z/10TH. CURRENT NW WINDS 10-15 KTS WILL BECOME LIGHT
AND VARIABLE BY LATE MORNING AS SFC RIDGE AXIS BECOMES CENTERED OVER
REGION. FURTHER SOUTH AT KLBF...IT APPEARS SKIES TO REMAIN SKC WITH
LIGHT WINDS AOB 10KTS.
LBF WATCHES/WARNINGS/ADVISORIES
WIND CHILL ADVISORY UNTIL 9 AM CST
/8 AM MST/ THIS MORNING FOR NEZ004>006-008-022>025-035>037-094.
WINTER WEATHER ADVISORY UNTIL 8 AM CST THIS MORNING FOR NEZ007-
010.
SHORT TERM/EXTENDED...KECK
AVIATION...ROBERG
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