[LeArc] Forecast Discussion : MLI@ 3/1/03 4:14:59 PM

[learc@mailman.qth.net]

The following weather message is provided by McDonough County E.S.D.A.


FXUS63 KDVN 012217
AFDMLI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
417 PM CST SAT MAR 1 2003

WEAK SHORTWAVE AHEAD OF ARCTIC FRONT TO BRUSH THE FAR SOUTH AND EAST
WITH SOME LIGHT SNOW WITH A DUSTING AT BEST. ARCTIC FRONT TO PLOW
THROUGH BETWEEN 06Z AND 12Z WITH WINDS INCREASING SHARPLY BEHIND
IT. STRONG CAA AND WEAK RIPPLES TO KEEP TEMPERATURES STEADY DURING
THE DAY WITH FLURRIES IN THE MORNING. MODELS INDICATE STRONG
SUBSIDENCE SHOULD CLEAR OUT THE CLOUDS IN THE AFTERNOON.

MODELS ALL AGREE AND QUICK RIDGE TO MOVE THROUGH SUNDAY NIGHT BEFORE
WAA KICKS IN WITH INCREASING CLOUDS AFTER MIDNIGHT. FIRST OF
SEVERAL CLIPPER SYSTEMS TO MOVE THROUGH MONDAY BRINGING A QUICK SHOT
OF WAA SNOW. FORCING IS QUITE IMPRESSIVE. SHOULD SEE SOME LIGHT
ACCUMULATION NORTH OF HIGHWAY 30 WITH A DUSTING DOWN TO ABOUT I80.
WEAK DIRTY RIDGE TO MOVE THROUGH EARLY MONDAY NIGHT BEFORE NEXT BIG
SYSTEM ARRIVES FROM THE PLAINS. LIKE THE AVN HANDLING OF THIS THE
BEST. FRONTOGENETICAL FORCING IS VERY STRONG AND ENTIRE CWFA SHOULD
SEE SOME ACCUMULATION. HOW MUCH IS DEPENDENT ON RAIN/SNOW RATIOS BUT
HEADLINES MAY BE NEEDED.

DIDN/T CHANGE ALL THAT MUCH IN THE EXTENDED. LOOKS LIKE A BRIEF LULL
THROUGH THE END OF THE WEEK.

.DVN...
IA...NONE.
IL...NONE.
MO...NONE.

$$

SF