271
FXUS63 KDVN 092333
AFDDVN
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
533 PM CST MON NOV 9 2009
UPDATE
THE MODERATE FRONTOGENETIC FORCING IS ONGOING OVER
MO...HOWEVER...THE DIFFERENCES IN MODEL PERFORMANCE IN THE NORTHERN
EXTENT OF SIGNIFICANT PCPN SEEM TO BE CLARIFYING. NEW DEVELOPMENT
IN NORTHERN MO IS OCCURING FARTHER SOUTH THAN THE PERSISTENT VIRGA
BAND WHICH EXTENDS THROUGH THE QUAD CITIES. IT NOW APPEARS THAT MOST
IF NOT ALL MEASURABLE RAIN WILL OCCUR AFTER MIDNIGHT...AND HAVE
REDUCED EVENING POPS AND PUSHED THEM SLIGHTLY FARTHER SOUTH. THIS
SOUTHERLY SHIFT SHOULD HELP AREAS ALONG AND NORTH OF INTERSTATE 80
REMAIN DRY TONIGHT. ...ERVIN...
AVIATION
UPDATE
VFR CONDITIONS ARE LIKELY AT ALL SITES TONIGHT...WITH A SHOWER AND
BRIEF MVFR CIG STILL POSSIBLE AT BRL LATE TONIGHT. AFTER A WEAK
STORM SYSTEM MOVES BY AROUND 12Z...HIGH PRESSURE WILL KEEP VFR
WEATHER GOING THROUGH TOMORROW NIGHT. ...ERVIN...
DVN WATCHES/WARNINGS/ADVISORIES
IA...NONE.
IL...NONE.
MO...NONE.
ERVIN
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