HAZARDOUS WEATHER OUTLOOK
Issue Date: 635 PM CST THU DEC 24 2009
Expiration: 630 PM CST FRI DEC 25 2009 Expires:200912260030;;
FLUS43 KDVN 250025
HWODVN
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
625 PM CST THU DEC 24 2009
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-260030-
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-
625 PM CST THU DEC 24 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...TONIGHT
A FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR MUCH OF THE
OUTLOOK AREA.
A MAJOR STORM SYSTEM WILL TRACK FROM THE LOWER MISSISSIPPI VALLEY
INTO TO NORTHEAST MISSOURI TONIGHT. WIDESPREAD RAIN AND ISOLATED
THUNDERSTORMS WILL STREAM NORTH AHEAD OF THE STORM TONIGHT. BY
MORNING RAINFALL AMOUNTS OF 1 TO 1.25 INCHES WILL BE POSSIBLE OVER
EAST CENTRAL IOWA AND NORTHWEST AND WEST CENTRAL ILLINOIS. THIS
RAIN WILL BE FALLING ON COLD...FROZEN GROUND AND DENSE SNOW-PACK
ESPECIALLY ALONG AND NORTH OF INTERSTATE 80. THESE CONDITIONS WILL CREATE
SIGNIFICANT RUNOFF...WHICH WILL RESULT IN RISES AND EVENTUAL
FLOODING ALONG SOME AREA RIVERS AND STREAMS...AS WELL AS FLOODING
OF LOW LYING OR POORLY DRAINED AREAS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THE RAIN WILL CHANGE TO SNOW FRIDAY MORNING FROM THE SOUTHWEST TO
THE NORTHEAST. LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH SATURDAY
AFTERNOON. BY SATURDAY EVENING SNOW ACCUMULATIONS IN THE 2 TO 4
INCHE INCH RANGE ARE EXPECTED OVER MOST OF THE AREA.
LIGHT SNOW OR FLURRIES WILL CONTINUE SATURDAY NIGHT INTO SUNDAY
NIGHT WITH LITTLE ADDITIONAL ACCUMULATION.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. HOWEVER REPORTS OF
RAINFALL TOTALS TONIGHT AND SNOW ACCUMULATIONS FRIDAY THROUGH
SUNDAY WILL BE APPRECIATED.
$$
WINTER STORM WATCH
Issue Date: 432 AM CST THU DEC 24 2009
Expiration: 600 AM CST SAT DEC 26 2009 ...MAJOR WINTER STORM TO IMPACT THE REGION...
.A MAJOR WINTER STORM WILL IMPACT PORTIONS OF THE REGION LATE
TONIGHT THROUGH FRIDAY NIGHT. THE STORM WILL TURN THE RAIN TO A
MIX OF SNOW...SLEET AND FREEZING RAIN TONIGHT ACROSS EASTERN IOWA.
THE MIXED PRECIPITATION WILL QUICKLY TRANSITION TO SNOW...POSSIBLY
HEAVY ON FRIDAY INTO FRIDAY NIGHT. AT LEAST 6 INCHES OF SNOW IS
EXPECTED ROUGHLY ALONG AND WEST OF A LINE FROM DUBUQUE IOWA TO
MEMPHIS MISSOURI.
IAZ063>065-076-077-087-098-MOZ009-241845-
/O.EXB.KDVN.WS.A.0006.091225T0600Z-091226T1200Z/
IOWA-JOHNSON-CEDAR-KEOKUK-WASHINGTON-JEFFERSON-VAN BUREN-SCOTLAND-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
SIGOURNEY...WASHINGTON...FAIRFIELD...KEOSAUQUA....MEMPHIS
432 AM CST THU DEC 24 2009
...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE
FRIDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE
FRIDAY NIGHT.
* COLDER AIR SPILLING INTO THE REGION LATE TONIGHT WILL CAUSE THE
RAIN TO CHANGE TO A MIX OF FREEZING RAIN...SLEET AND SNOW. THEN
THE MIXED PRECIPITATION WILL QUICKLY TRANSITION TO SNOW ON
FRIDAY...POSSIBLY HEAVY. AT LEAST 6 INCHES OF SNOW ACCUMULATION
IS EXPECTED FRIDAY INTO FRIDAY NIGHT.
* HAZARDOUS DRIVING CONDITIONS ARE EXPECTED LATE TONIGHT THROUGH
FRIDAY NIGHT AS SIGNIFICANT SNOW WILL IMPACT TRAVEL CONDITIONS.
* SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A
MILE FRIDAY AND FRIDAY NIGHT AS COLDER AIR INVADES THE AREA.
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.
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...
AND/OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED
FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL
WHILE DRIVING.
$$
HAASE
FLOOD WATCH
Issue Date: 404 AM CST THU DEC 24 2009
Expiration: 1200 AM CST FRI DEC 25 2009 ...MODERATE TO HEAVY RAIN AND SNOW MELT MAY LEAD TO FLOODING...
.A LARGE...SLOW MOVING STORM SYSTEM LOCATED IN THE LOWER
MISSISSIPPI VALLEY WILL CONTINUE TO SPREAD WIDESPREAD RAIN ACROSS
NORTHEAST MISSOURI...EASTERN IOWA...AND NORTHWEST ILLINOIS
THROUGH TONIGHT. THIS MAY RESULT IN RAINFALL AMOUNTS RANGING FROM
1 TO 2 INCHES ACROSS THE AREA. THIS AMOUNT OF RAIN MAY QUICKLY
RUNOFF INTO AREA RIVERS AND STREAMS WHERE THE GROUND IS FROZEN AND
BARE. WHERE THERE IS SNOW COVER IN PLACE...SNOW AND SLUSH MAY
INTERFERE WITH NORMAL DRAINAGE AND LEAD TO FLOODING. IN
ADDITION...THERE WILL BE THE POTENTIAL FOR ICE JAMS ON AREA
RIVERS.
IAZ063>065-076-077-087-098-MOZ009-241815-
/O.EXT.KDVN.FA.A.0002.000000T0000Z-091225T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IOWA-JOHNSON-CEDAR-KEOKUK-WASHINGTON-JEFFERSON-VAN BUREN-SCOTLAND-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
SIGOURNEY...WASHINGTON...FAIRFIELD...KEOSAUQUA....MEMPHIS
404 AM CST THU DEC 24 2009
...FLOOD WATCH NOW IN EFFECT THROUGH THIS EVENING...
THE FLOOD WATCH IS NOW IN EFFECT FOR
* PORTIONS OF IOWA AND NORTHEAST MISSOURI...INCLUDING THE
FOLLOWING AREAS...IN IOWA...CEDAR...IOWA...JEFFERSON...
JOHNSON...KEOKUK...VAN BUREN AND WASHINGTON. IN NORTHEAST
MISSOURI...SCOTLAND.
* THROUGH THIS EVENING
* RAINFALL AMOUNTS FROM 1 TO 2 INCHES THROUGH THIS EVENING MAY
LEAD TO FLOODING ALONG AREA RIVERS. FLOODING OF URBAN AND SMALL
STREAM DRAINAGE AREAS WILL ALSO BE POSSIBLE DUE TO BLOCKAGES
FROM SNOW AND ICE.
* RISING WATER LEVELS MAY ALSO LEAD TO POTENTIAL ICE JAMS ON
AREA RIVERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. MONITOR LATER FORECASTS AND TAKE ACTION IF A
FLOOD WARNING IS ISSUED OR FLOODING DEVELOPS.
$$
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