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000
FXUS63 KLBF 080509
AFDLBF

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1109 PM CST FRI MAR 7 2014

.SYNOPSIS...
ISSUED AT 224 PM CST FRI MAR 7 2014

AN ACTIVE SPLIT FLOW PATTERN IS IN PLACE ACROSS THE EASTERN 2/3 OF
THE CONUS WITH A RIDGE UP THE WEST COAST AS OF 20Z. THE NORTHERN
STREAM WAS CHARACTERIZED BY A BROAD LOW AMPLITUDE TROUGH WITH AN
EMBEDDED SHORTWAVE TRACKING ACROSS WESTERN ONTARIO. THE SOUTHERN
STREAM FEATURED A CUTOFF LOW MOVING UP THE ATLANTIC COAST AND A
POTENT SHORTWAVE IN THE EASTERN ROCKIES.

AT THE SFC A COLD FRONT CONTINUED TO MOVE SOUTH INTO THE CENTRAL
PLAINS WITH SLOWLY FALLING TEMPERATURES IN THE LOW 30S AND 20S
ACROSS THE CWA. RADAR SHOWED A BAND OF LIGHT SNOW STRETCHING FROM
SOUTHWEST INTO NORTH CENTRAL NEBRASKA WITH POCKETS OF LIGHT SNOW
WESTWARD INTO THE EASTERN PANHANDLE.

&&

.SHORT TERM...(THIS EVENING THROUGH SATURDAY)
ISSUED AT 224 PM CST FRI MAR 7 2014

CURRENT LIGHT SNOW ACTIVITY WILL MOVE SOUTH AND EAST OF THE CWA THIS
EVENING. HAVE CLEARED ALL POPS OUT OF THE CWA BY 6Z BUT BASED ON
LATEST HIGH-RES MODEL TRENDS THIS MAY NOT BE EARLY ENOUGH. LOW LEVEL
MOISTURE WILL HANG AROUND THROUGH THE OVERNIGHT WITH OVC TO BKN
STRATUS DECK EXPECTED FOR MOST OF THE AREA. THIS WILL HELP LIMIT
RADIATIONAL COOLING AND KEEP TEMPERATURES FROM FALLING OFF TOO FAR
AS A COLD SFC HIGH DRIFTS SOUTH INTO THE CENTRAL PLAINS. COLDEST LOW
TEMPS ARE EXPECTED IN OUR NORTHEAST ZONES WHERE MID TEENS ARE LIKELY.

CLOUDS BEGIN TO CLEAR OUT SATURDAY. TEMPERATURES ARE EXPECTED TO BE
A FEW DEGREES WARMER THAN TODAY AS H85 TEMPS RECOVER TO 0C TO 6C
OVER THE CWA.

.LONG TERM...(SATURDAY NIGHT THROUGH FRIDAY)
ISSUED AT 224 PM CST FRI MAR 7 2014

VERY WARM TEMPERATURES ARE EXPECTED SUNDAY AND MONDAY AS A RIDGE
ALOFT BUILDS INTO THE WEST.

THE NEXT FRONT IS EXPECTED MONDAY NIGHT AND TUESDAY. AS IT COMES
THROUGH MONDAY EVENING...IT GENERATES SOME SYSTEM-RELATIVE
ISENTROPIC LIFT WITH ASSISTANCE FROM THE UPWARD AGEOSTROPHIC
CIRCULATION ON THE RIGHT SIDE OF AN ANTICYCLONIC JET. FRONTOGENETIC
FORCING CONTINUES THROUGH THE DAY TUESDAY. THE MEAN TEMPERATURE OF
THE LOWEST 2KM IS BELOW 0C AND THE LIFT EXTENDS THROUGH THE
DENDRITIC LAYER. HIGH PRESSURE IN THE WAKE OF THE FRONT WILL BRING
SUBSIDENCE AN AN END TO THE PRECIPITATION LATE TUESDAY AFTERNOON OR
EARLY EVENING.

COLDER TEMPERATURES ARE EXPECTED WEDNESDAY. RETURN FLOW WILL THEN
BRING WARMER TEMPERATURES THURSDAY AND FRIDAY BUT NOT AS WARM AS
THOSE SUNDAY AND MONDAY.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z SATURDAY NIGHT)
ISSUED AT 1109 PM CST FRI MAR 7 2014

MID AND HIGH CLOUDINESS WILL DECREASE OVERNIGHT INTO SATURDAY. AS
SURFACE HIGH PRESSURE BUILDS INTO THE REGION...MVFR AND IFR
CONDITIONS CONTINUE WEST OF KVTN AND KLBF TOWARDS THE NEBRASKA
PANHANDLE INTO NORTHEAST COLORADO. WHILE THESE CONDITIONS ARE NOT
EXPECTED TO MOVE EAST INTO THE TAF SITES...THIS WILL NEED TO BE
MONITORED. OTHERWISE...LIGHT NORTH WINDS OVERNIGHT WILL BECOME
LIGHT NORTHWEST SATURDAY.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

SYNOPSIS...MARTIN
SHORT TERM...MARTIN
LONG TERM...SPRINGER
AVIATION...ROBERG