HAZARDOUS WEATHER OUTLOOK
Issue Date: 510 AM CST TUE DEC 22 2009
Expiration: 515 AM CST WED DEC 23 2009

Expires:200912231115;;
FLUS43 KDVN 221107
HWODVN
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
507 AM CST TUE DEC 22 2009
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-231115-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
507 AM CST TUE DEC 22 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.
.DAY ONE...TODAY AND TONIGHT
SNOW OVER PORTIONS OF NORTHWEST ILLINOIS WILL TAPER OFF TO
FLURRIES BY DAYBREAK OR SHORTLY AFTER. ADDITIONAL
ACCUMULATIONS UP TO AN INCH CAN BE EXPECTED EAST OF GALENA...TO
MOUNT CARROLL LINE.
AREAS OF DRIZZLE OR FREEZING DRIZZLE IS LIKELY LATER TODAY AND
TONIGHT. A THIN GLAZE OF ICE IS POSSIBLE ON EXPOSED SURFACES
LEADING TO SLICK DRIVING CONDITIONS... ESPECIALLY NORTH OF
HIGHWAY 34.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
A MAJOR WINTER STORM WILL IMPACT THE REGION WEDNESDAY THROUGH
FRIDAY. HEAVY SNOW IS EXPECTED ALONG THE HIGHWAY 20 CORRIDOR WITH
A SIGNIFICANT ICE STORM POSSIBLE BETWEEN HIGHWAY 20 AND INTERSTATE
80. SLEET IS ALSO POSSIBLE. A WINTER STORM WATCH IS IN EFFECT
ALONG AND NORTH OF INTERSTATE 80. STRONG EAST WINDS GUSTING TO
35 MPH WEDNESDAY AND THURSDAY MAY CAUSE WIDESPREAD POWER OUTAGES
AND KNOCK TREE BRANCHES DOWN WHERE THE ICE STORM OCCURS.
EVENTUALLY THE MIXED PRECIPITATION WILL CHANGE TO ALL RAIN FROM
SOUTH TO NORTH ON THURSDAY...AS WARMER AIR PUSHES NORTHWARD.
HEAVY RAIN FALLING ON THE SNOW PACK OR FROZEN GROUND MAY CAUSE
FLASH FLOODING AND LEAD TO FLOODING OF SOME STREAMS AND RIVERS.
THERE WILL ALSO BE A CHANCE OF THUNDERSTORMS.
COLDER AIR RETURNING TO THE REGION AS THE STORM SYSTEM LIFTS TO
THE NORTH...WILL CHANGE THE RAIN BACK OVER TO SNOW THURSDAY NIGHT
AND FRIDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
$$

WINTER STORM WATCH
Issue Date: 330 AM CST TUE DEC 22 2009
Expiration: 600 PM CST THU DEC 24 2009

...MAJOR WINTER STORM TO AFFECT THE AREA...
.A MAJOR WINTER STORM WILL IMPACT THE AREA FROM WEDNESDAY THROUGH
FRIDAY. THIS STORM WILL BRING HEAVY SNOW...ICE AND SLEET TO
LOCATIONS MAINLY ALONG AND NORTH OF INTERSTATE 80. ON THURSDAY
THE MIXED PRECIPITATION MAY CHANGE OVER TO ALL RAIN BEFORE
CHANGING BACK TO SNOW BY FRIDAY.
IAZ063>068-ILZ002-007-009-015-221730-
/O.EXB.KDVN.WS.A.0006.091223T1200Z-091225T0000Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND
330 AM CST TUE DEC 22 2009
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON.
* FREEZING RAIN...SLEET AND SNOW WILL BEGIN ON WEDNESDAY AND
CONTINUE INTO THURSDAY. THE MIXED PRECIPITATION WILL EVENTUALLY
CHANGE TO ALL RAIN ON THURSDAY.
* SNOW AMOUNTS OF 1 TO 4 INCHES IS POSSIBLE ON WEDNESDAY NORTH OF
HIGHWAY 30 BEFORE CHANGING TO MIXED PRECIPITATION.
* ICE ACCUMULATIONS OF AT LEAST 1/4 TO 1/2 INCH ARE POSSIBLE
WEDNESDAY INTO THURSDAY...WITH SLEET ACCUMULATIONS UP TO 1/4
INCH. A MAJOR ICE STORM IS POSSIBLE IF TEMPERATURES REMAIN BELOW
FREEZING LONGER THAN EXPECTED.
* EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH MAY CAUSE
WIDESPREAD POWER OUTAGES AND KNOCK TREE BRANCHES DOWN WHERE ICE
ACCUMULATIONS OCCUR.
* VISIBILITIES MAY BE LESS THAN A MILE DURING PERIODS OF HEAVY
PRECIPITATION.
* SIGNIFICANT TO SEVERE TRAVEL IMPACTS ARE EXPECTED FROM THIS
STORM WEDNESDAY THROUGH THURSDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY
IMPACT TRAVEL. MONITOR LATER FORECASTS FOR UPDATES.
$$