[LeArc] HWODVN@ 10/29/02 5:19:36 AM

[learc@mailman.qth.net]

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


FLUS43 KDVN 291124
HWODVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-300000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
524 AM CST TUE OCT 29 2002

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

.DAY ONE...

NO HAZARDOUS WEATHER IS EXPECTED.

A LOW PRESSURE SYSTEM WILL MOVE ALONG THE OHIO VALLEY TODAY AND
TONIGHT. THIS SYSTEM WILL CAUSE PRECIPITATION TO AFFECT MUCH OF
EASTERN IOWA...NORTHWEST AND WEST CENTRAL ILLINOIS...AND NORTHEAST
MISSOURI TODAY. THIS PRECIPITATION IS EXPECTED TO FALL AS ALL LIGHT
RAIN.  RAINFALL AMOUNTS WILL RANGE FROM BETWEEN TWO AND FOUR TENTHS
OF AN INCH IN WEST CENTRAL ILLINOIS...TO AROUND A TENTH OF AN INCH
ALONG HIGHWAY 20 IN IOWA.

TONIGHT A LOW PRESSURE SYSTEM WILL DEVELOP OVER THE PLAINS...WHICH
WILL PHASE WITH A COLD CANADIAN AIR MASS TO DEVELOP A LATE FALL
STORM OVER THE MIDWEST ON WEDNESDAY.  AHEAD OF THIS SYSTEM...RAIN
AND SNOW IS EXPECTED TO MOVE BACK OVER THE REGION AFTER MIDNIGHT
TONIGHT.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY TODAY OR TONIGHT.


.DAYS TWO THROUGH SEVEN...

...LATE FALL STORM SLIGHTLY SLOWER BUT STILL ON TARGET FOR WEDNESDAY
AND THURSDAY...

A LATE FALL STORM DEVELOPING OVER THE PLAINS TONIGHT WILL MOVE ACROSS
THE MIDWEST ON WEDNESDAY AND THURSDAY.  THE LATEST COMPUTER MODELS
SUGGEST THAT THIS SYSTEM WILL HAVE ITS PRIMARY IMPACT ON EASTERN IOWA
...WESTERN ILLINOIS...AND NORTHEAST MISSOURI BEGINNING WEDNESDAY
AFTERNOON AND LASTING INTO THURSDAY.

PRECIPITATION WILL MOVE BACK OVER THE REGION TONIGHT 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. SOUTH OF INTERSTATE 80...A COLD RAIN IS EXPECTED DURING
THE DAY...BECOMING MIXED WITH SNOW LATE IN THE AFTERNOON.  AS THE
COLD AIR CONTINUES TO DEEPEN WEDNESDAY NIGHT...ANY REMAINING 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
BETWEEN HIGHWAY 34 AND INTERSTATE 80.  IT IS STILL TOO EARLY TO GIVE
EXACT SNOWFALL AMOUNTS...BUT AT THIS TIME IT APPEARS THE POTENTIAL
EXISTS FOR 2 TO 4 INCHES IN THE AREA OF CONCERN. BRISK NORTH WINDS OF
15 TO 30 MPH WILL CREATE SOME BLOWING AND DRIFTING...WITH ROADS
BECOMING SLICK AND HAZARDOUS.

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 NEAR RECORD LOWS
SATURDAY MORNING.

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