[LeArc] HWODVN@ 12/11/02 5:00:42 AM

[Richard R. Sample]

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


FLUS43 KDVN 111112
HWODVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-121100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
510 AM CST WED DEC 11 2002

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

.DAY ONE...
AREAS OF FOG...LOCALLY DENSE WILL MOVE ACROSS PORTIONS OF EASTERN
IOWA AND FAR NORTHEAST MISSOURI THIS MORNING AS A LAYER OF LOW LEVEL
MOISTURE PUSHES INTO THE REGION. VISIBILITIES MAY BE REDUCED TO A FEW
HUNDRED FEET AT TIMES TIL LATE MORNING BEFORE IMPROVING BETWEEN 10 AM
AND NOON.  THE FOG WILL BE MOST WIDESPREAD WEST OF A LINE FROM
MANCHESTER TO TIPTON TO KEOKUK BY 9 AM.  VISIBILITIES WILL THEN
SLOWLY IMPROVE BY MID DAY TO 2 TO 3 MILES OR MORE. SOME QUARTER MILE
OR LESS VISIBILITIES MAY OCCUR DURING THE MORNING COMMUTE IN...OR
JUST WEST OF THE GREATER CEDAR RAPIDS AND IOWA CITIES MUNICIPALITIES.
A DENSE FOG ADVISORY MAY BE ISSUED AFTER SUNRISE FOR LOCATIONS ALONG
AND WEST OF THE I-380 CORRIDOR TIL LATE MORNING.

AREAS OF FOG...LOCALLY DENSE...WILL DEVELOP ACROSS THE ENTIRE AREA
LATE THIS EVENING INTO TONIGHT.  PATCHY DRIZZLE...POSSIBLY FREEZING
AT TIMES NORTH OF HIGHWAY 34...WILL DEVELOP AFTER MIDNIGHT.
WIDESPREAD VISIBILITIES OF 1/2 TO 1/4 MILE OR LESS MAY REQUIRE THE
ISSUANCE OF A DENSE FOG ADVISORY TONIGHT.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY TODAY OR TONIGHT.
HOWEVER...REPORTS OF FOG WITH VERY LOW VISIBILITIES WOULD BE
APPRECIATED.

.DAYS TWO THROUGH SEVEN...

A STORM SYSTEM CURRENTLY ENTERING THE PACIFIC NORTHWEST WILL MOVE
SOUTHEAST INTO THE PLAINS THURSDAY. IT WILL THEN STRENGTHEN AS IT
MOVES EAST INTO THE LOWER AND CENTRAL MISSISSIPPI VALLEY BEFORE
LIFTING NORTHEAST INTO THE OHIO VALLEY THIS WEEKEND. THIS SYSTEM IS
EXPECTED TO BRING SOME PRECIPITATION TO THE REGION LATE THURSDAY
THROUGH FRIDAY NIGHT.  MOIST AIR WILL BE BROUGHT NORTHWARD IN
ADVANCE...RESULTING IN PRECIPITATION FALLING INITIALLY IN THE FORM OF
RAIN...POSSIBLY MIXED WITH SNOW.  COLDER AIR WILL THEN BECOME
ENTRAINED INTO THE SYSTEM FRIDAY CHANGING ANY RAIN TO ALL SNOW.  AT
THIS TIME...IT APPEARS THERE IS THE POTENTIAL FOR SOME MINOR SNOW
ACCUMULATIONS...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 80.  JUST
HOW MUCH AND WHERE STILL REMAINS UNKNOWN DUE TO UNCERTAINTIES IN THE
EXACT TRACK AND RATE OF STRENGTHENING OF THE SYSTEM.  BE SURE TO
MONITOR LATER OUTLOOKS FOR FURTHER UPDATES.

$$

NICHOLS