[LeArc] HWODVN@ 10/28/02 4:54:40 PM

Mon, 28 Oct 2002 16:54:40 -0600

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

FLUS43 KDVN 282302
HWODVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-291100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
502 PM CST MON OCT 28 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF IOWA...ILLINOIS...
AND MISSOURI.

.DAY ONE...

NO HAZARDOUS WEATHER IS EXPECTED.

AN UPPER LEVEL WAVE WILL LIFT NORTHEAST ACROSS MISSOURI TONIGHT...
BRINGING ANOTHER ROUND OF RAIN TO NORTHERN MISSOURI...SOUTHEAST
IOWA...AND MUCH OF ILLINOIS AFTER MIDNIGHT. THE MOST WIDESPREAD RAIN
WILL FALL OVER NORTHERN MISSOURI...AND OVER SOUTHERN ILLINOIS SOUTH
OF I 80.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY TONIGHT OR TUESDAY.

.DAYS TWO THROUGH SEVEN...

...WINTER STORM SLIGHTLY SLOWER BUT STILL ON TARGET FOR MIDWEEK...

ENERGY WILL DIVE SOUTH THROUGH THE NORTHERN ROCKIES AND PLAINS ON
TUESDAY NIGHT. THIS ENERGY IS EXPECTED TO PHASE WITH A COLD
CANADIAN AIR MASS AT THE SURFACE...TO DEVELOP A WINTER STORM OVER THE
MIDWEST ON WEDNESDAY. THE LATEST COMPUTER MODELS SUGGEST THAT THE
SYSTEM WILL HAVE ITS PRIMARY IMPACT ON EASTERN IOWA AND WESTERN
ILLINOIS BEGINNING WEDNESDAY AFTERNOON AND LASTING INTO THURSDAY.

RAIN WILL MOVE BACK OVER THE REGION TUESDAY NIGHT AND EARLY
WEDNESDAY. AS COLDER AIR BEGINS TO FILTER IN FROM THE NORTH...THE
RAIN WILL GRADUALLY MIX WITH...AND CHANGE OVER TO ALL SNOW NORTH OF
HIGHWAY 30 BY WEDNESDAY AFTERNOON. SOUTH OF HIGHWAY 30 TO NEAR THE
INTERSTATE 80 CORRIDOR...THE RAIN WILL MIX WITH SNOW DURING THE
AFTERNOON AND MAY CHANGE TO ALL SNOW NORTH OF INTERSTATE 80. SOUTH OF
INTERSTATE 80...A COLD RAIN IS EXPECTED DURING THE DAYTIME ON
WEDNESDAY. AS THE COLD AIR CONTINUES TO DEEPEN WEDNESDAY NIGHT...ANY
RAIN WILL CHANGE OVER TO ALL SNOW. AT THIS TIME...IT APPEARS
THE AREA AT GREATEST RISK FOR ADVERSE WINTER WEATHER CONDITIONS
APPEARS TO BE MAINLY NORTH OF A MEMPHIS MISSOURI TO PRINCETON
ILLINOIS LINE. IT IS STILL TOO EARLY TO GIVE EXACT SNOWFALL
AMOUNTS...BUT AT THIS TIME IT APPEARS THE POTENTIAL EXISTS FOR 2 TO
5 INCHES IN THE AREA OF CONCERN. BRISK NORTH WINDS OF 15 TO 30 MPH
WILL CREATE SOME BLOWING AND DRIFTING...WHILE ROADS MAY BECOME
SLICK AND HAZARDOUS. A WINTER STORM WATCH MAY BE NEEDED FOR THIS AREA
OF CONCERN IN THE NEXT 24 HOURS.

ONCE THE STORM SYSTEM DEPARTS LATE THURSDAY...CANADIAN HIGH
PRESSURE WILL SETTLE IN OVER THE REGION BRINGING THE COLDEST
TEMPERATURES YET OF THE FALL SEASON...WITH RECORD OR NEAR RECORD LOWS
FRIDAY AND SATURDAY MORNINGS.

YOU ARE ENCOURAGED TO STAY TUNED TO LATER FORECASTS AND OUTLOOKS
REGARDING THIS LIKELY WINTER STORM FOR MIDWEEK.