Winter Storm Warning 3, NWS Quad Cities, IA

000 
WWUS43 KDVN 011503
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
903 AM CST THU MAR 1 2007

...ANOTHER INTENSE WINTER STORM ON THE WAY...

.AN EXTREMELY STRONG STORM SYSTEM WILL MOVE NORTHEAST THROUGH
EASTERN IOWA INTO WISCONSIN TODAY AND TONIGHT. STRONG WINDS OF
25 TO 40 MPH WITH GUSTS OVER 50 MPH WILL MOVE ACROSS THE AREA
LATE THIS AFTERNOON AND TONIGHT. SNOW IS EXPECTED TO DEVELOP BY
LATE AFTERNOON AND CONTINUE THROUGH AT LEAST MIDDAY FRIDAY...WITH
SEVERAL INCHES OF ACCUMULATION POSSIBLE INTO NORTHEASTERN IOWA.
THE SNOW IS EXPECTED TO COMBINE WITH THE STRONG WINDS TO PRODUCE
POOR VISIBILITIES AND HAZARDOUS ROAD CONDITIONS IN PARTS OF IOWA
INTO NORTHWESTERN ILLINOIS.

IAZ040-041-051-052-012315-
/O.EXP.KDVN.ZR.Y.0003.000000T0000Z-070301T1500Z/
/O.CON.KDVN.WS.W.0003.070302T0000Z-070302T1800Z/
BUCHANAN-DELAWARE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...VINTON...
CEDAR RAPIDS
903 AM CST THU MAR 1 2007

...FREEZING RAIN ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST FRIDAY...

THE FREEZING RAIN ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING.
A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST FRIDAY. 

SURFACE TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS THE
AREA...ENDING THE THREAT FOR FREEZING RAIN. A WINTER STORM
WARNING REMAINS IN EFFECT TONIGHT THROUGH MIDDAY FRIDAY. VERY
STRONG WEST WINDS OF 25 TO 40 MPH WITH GUSTS OVER 50 MPH AT
TIMES ARE EXPECTED TO COMBINE WITH PERIODS OF MODERATE TO HEAVY
SNOW BY TONIGHT AND LAST THROUGH AT LEAST MIDDAY FRIDAY. THIS IS
EXPECTED TO PRODUCE LOW VISIBILITIES AND DANGEROUS TRAVEL
CONDITIONS ACROSS THE WARNING AREA. BRIEF WHITE OUT OR NEAR-
BLIZZARD CONDITIONS WILL BE POSSIBLE TONIGHT. WIND GUSTS OVER 50
MPH MAY RESULT IN ADDITIONAL TREE AND POWER LINE DAMAGE DUE TO THE
EARLIER ICE STORM LAST WEEKEND. 4 TO 7 INCHES OF NEW SNOWFALL IS
EXPECTED BY NOON FRIDAY IN THE WARNING AREA.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW ...
COMBINED WITH STRONG WIND IS EXPECTED. THIS WILL MAKE TRAVEL VERY
DANGEROUS OR IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE
YOUR WINTER SURVIVAL KIT.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES THIS MORNING. BE
PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND BE CAREFUL WHILE
TRAVELING.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW
FALLING AT INTENSE RATES OF 2-3 INCHES PER HOUR...COMBINED WITH
STRONG WINDS AND POSSIBLY...SLEET...AND/OR FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ042-053-054-ILZ001-012315-
/O.EXP.KDVN.ZR.Y.0003.000000T0000Z-070301T1500Z/
/O.CON.KDVN.WW.Y.0007.070302T0000Z-070302T1800Z/
DUBUQUE-JONES-JACKSON-JO DAVIESS-
INCLUDING THE CITIES OF...DUBUQUE...ANAMOSA...MAQUOKETA...GALENA
903 AM CST THU MAR 1 2007

...FREEZING RAIN ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST FRIDAY...

THE FREEZING RAIN ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING.
A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST FRIDAY. 

SURFACE TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS THE
AREA...ENDING THE THREAT FOR FREEZING RAIN.  A WINTER WEATHER
ADVISORY REMAINS IN EFFECT TONIGHT THROUGH MIDDAY FRIDAY. VERY
STRONG WEST WINDS OF 25 TO 40 MPH WITH GUSTS OVER 50 MPH AT
TIMES ARE EXPECTED TO COMBINE WITH PERIODS OF MODERATE TO HEAVY
SNOW TONIGHT AND LAST THROUGH AT LEAST MIDDAY FRIDAY. THIS IS
EXPECTED TO PRODUCE LOW VISIBILITIES AND DANGEROUS TRAVEL
CONDITIONS ACROSS THE ADVISORY AREA. BRIEF WHITE OUT CONDITIONS
WILL BE POSSIBLE TONIGHT. WIND GUSTS OVER 50 MPH MAY RESULT IN
ADDITIONAL TREE AND POWER LINE DAMAGE DUE TO THE EARLIER ICE STORM
LAST WEEKEND. 2 TO 5 INCHES OF NEW SNOWFALL IS EXPECTED BY NOON
FRIDAY IN THE ADVISORY AREA.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...
AND FREEZING RAIN WILL COMBINE WITH STRONG WINDS TO CAUSE TRAVEL
DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITIES...AND BE CAREFUL WHILE DRIVING TONIGHT.

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.

$$

IAZ063>066-ILZ002-007-012315-
/O.CON.KDVN.WW.Y.0007.070302T0000Z-070302T1800Z/
IOWA-JOHNSON-CEDAR-CLINTON-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...FREEPORT...MOUNT CARROLL
903 AM CST THU MAR 1 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST FRIDAY. 

A WINTER WEATHER ADVISORY REMAINS IN EFFECT TONIGHT THROUGH
MIDDAY FRIDAY. VERY STRONG WEST WINDS OF 25 TO 40 MPH WITH GUSTS
OVER 50 MPH AT TIMES...ARE EXPECTED TO COMBINE WITH PERIODS OF
MODERATE TO HEAVY SNOW TONIGHT...AND LAST THROUGH AT LEAST MIDDAY
FRIDAY. THIS IS EXPECTED TO PRODUCE LOW VISIBILITIES AND DANGEROUS
TRAVEL CONDITIONS ACROSS THE ADVISORY AREA. BRIEF WHITE OUT CONDITIONS
WILL BE POSSIBLE TONIGHT AND FRIDAY MORNING. WIND GUSTS OVER 50
MPH MAY RESULT IN ADDITIONAL TREE AND POWER LINE DAMAGE DUE TO THE
EARLIER ICE STORM LAST WEEKEND. 2 TO 5 INCHES OF NEW SNOWFALL IS
EXPECTED BY NOON FRIDAY IN THE ADVISORY AREA.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL COMBINE
WITH STRONG WINDS TO CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING TONIGHT.

$$

MAYES

000 
WWUS43 KDVN 012018
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
218 PM CST THU MAR 1 2007

...ACCUMULATING SNOW AND STRONG WINDS...

.AN EXTREMELY STRONG STORM SYSTEM WILL MOVE NORTHEAST INTO
WISCONSIN TONIGHT. STRONG WINDS OF 25 TO 35 MPH WITH GUSTS OVER 40
MPH WILL MOVE ACROSS THE AREA LATE THIS AFTERNOON AND TONIGHT.
SNOW WILL SPREAD ACROSS THE AREA LATE THIS AFTERNOON AND CONTINUE
THROUGH AT LEAST MIDDAY FRIDAY...WITH SEVERAL INCHES OF
ACCUMULATION POSSIBLE INTO NORTHEASTERN IOWA. THE SNOW IS EXPECTED
TO COMBINE WITH THE STRONG WINDS TO PRODUCE POOR VISIBILITIES AND
HAZARDOUS ROAD CONDITIONS IN PARTS OF IOWA INTO NORTHWESTERN
ILLINOIS.

IAZ040-041-051-052-020430-
/O.CAN.KDVN.WS.W.0003.070302T0000Z-070302T1800Z/
/O.NEW.KDVN.SB.Y.0003.070301T2018Z-070302T1800Z/
BUCHANAN-DELAWARE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...VINTON...
CEDAR RAPIDS
218 PM CST THU MAR 1 2007

...WINTER STORM WARNING IS CANCELLED...
...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 12 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST
FRIDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

THE STORM SYSTEM PRODUCING STRONG WINDS AND SNOW WILL MOVE VERY
CLOSE TO NORTHEAST IOWA THIS EVENING...HELPING KEEP TEMPERATURES
JUST ABOVE FREEZING UNTIL LATE THIS AFTERNOON. THIS DELAY IN SNOW
ACCUMULATION WILL KEEP ACCUMULATION FROM REACHING THE EARLIER
FORECAST LEVELS...BUT 2 TO 4 INCHES ARE STILL LIKELY IN NORTHEAST
IOWA THROUGH NOON FRIDAY...WITH LOCALLY HIGHER AMOUNTS POSSIBLE
OVER BUCHANAN COUNTY. THE SNOW WILL COMBINE WITH STRONG WINDS OF 25
TO 35 MPH TO REDUCE VISIBILITY TO UNDER A MILE AT TIMES. USE
EXTREME CAUTION IF TRAVELING TONIGHT AND TOMORROW.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW.  BE
CAREFUL WHEN TRAVELING... ESPECIALLY IN RURAL AREAS.

$$

IAZ042-053-054-063>066-ILZ001-002-007-020430-
/O.CON.KDVN.WW.Y.0007.070302T0000Z-070302T1800Z/
DUBUQUE-JONES-JACKSON-IOWA-JOHNSON-CEDAR-CLINTON-JO DAVIESS-
STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...DUBUQUE...ANAMOSA...MAQUOKETA...
MARENGO...IOWA CITY...TIPTON...CLINTON...GALENA...FREEPORT...
MOUNT CARROLL
218 PM CST THU MAR 1 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST FRIDAY. 

THE STORM SYSTEM PRODUCING STRONG WINDS AND SNOW WILL MOVE VERY
CLOSE TO NORTHEAST IOWA THIS EVENING...HELPING KEEP TEMPERATURES
JUST ABOVE FREEZING UNTIL LATE THIS AFTERNOON. 1 TO 3 INCHES ARE
LIKELY IN NORTHEAST IOWA THROUGH NOON FRIDAY. THE SNOW WILL
COMBINE WITH STRONG WINDS OF 25 TO 35 MPH TO REDUCE VISIBILITY TO
UNDER A MILE AT TIMES. USE EXTREME CAUTION IF TRAVELING TONIGHT
AND TOMORROW. ALONG INTERSTATE 80 AND ACROSS CLINTON AND CARROLL
COUNTY...WINDS MAY GUST OVER 55 MPH AT TIMES.

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.

$$


ERVIN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
300 AM CST THU MAR 1 2007

.DISCUSSION...
BUSY ONGOING WEATHER AND PLETHORA OF PRODUCTS AND HEADLINES TO GET
OUT. WITH BRISK EAST SFC FETCH AND SFC DPTS IN THE UPPER 20S HAVING
EVAPO COOLING/NEG FEEDBACK POTENTIAL TO KEEP TEMPS AT OR JUST BELOW
FREEZING...ALREADY HAVE ISSUED A FREEZING RAIN ADVISORY FOR NORTHWEST
2 TIER OF IA COUNTIES AND JO DAVIESS IN FAR NW IL. SOUTHERN TWO TIER
OF COUNTIES MAY BE MARGINAL WITH SHALLOW COLD SFC LAYER AND WARMER
AIR DRAG DOWN TO SFC EFFECT BY MODERATE TO HEAVY RAIN EFFECT...BUT
WILL KEEP IT GOING FOR NOW THRU 9 AM BEFORE SFC TEMPS REALLY MAKE
HEADWAY ABOVE 32 DEGREES.

WITH LATEST SUITE OF 00Z MODEL RUNS...INTERESTING HOW THE NAM HAS
SWITCHED PLACES WITH THE PREVIOUS TWO 00Z GFS RUNS AND IS THE
FURTHEST EAST/BESIDES THE THROWN OUT NGM/.  THE NEW/00Z GFS...UKMET
AND ECMWF TAKE LOW UP ALONG AND WEST OF THE DVN CWA THRU 00Z FRI...
GENERALLY BOMBING TO AROUND 980 MB AS IT NEARS THE ALO VCNTY BY 00Z.
THE NAM IS FURTHER EAST MOVING NORTH OUT OF NORTHWEST MO AND UP ALONG
AND WEST OF THE MS RVR. LOOKING AT MSAS TRENDS OF PRESSURE FALLS
ACRS NORTHERN IL AND FAR EASTERN IA...THIS WOULD SUPPORT THE NAM.
BUT PUTTING THE CYCLONE INTO MOTION TO ITS CURRENT POSITION...
EXTRAPOLATING IT FURTHER ALMOST SUPPORTS THE GFS-UKMET BLEND. WILL
STILL SIDE WITH THE NAM SYNOPTIC SCALE FEATURES AND SMALLER/MESO
SCALE FORCING PARAMETERS...ALTHOUGH IT IS FAILING WITH CURRENT
ACTUAL PRECIP TRENDS.

THIS SOLUTION SUPPORTS WIDESPREAD MODERATE TO HEAVY RAINFALL THRU
18Z WITH EMBEDDED ELEVATED THUNDERSTORMS...WITH MID LEVEL CAPES AND
LAPSE RATES SUPPORTING THUNDER CONTINUING ACRS THE SOUTHEAST HALF OF
THE DVN FCST AREA AND THE EASTERN I80 CORRIDOR IN IL THROUGH EARLY
AFTERNOON. VERY STRONG LOW TO MID LEVEL WARM/MOIST CONVEYOR WILL
CONTINUE TO ACT TO SATURATE MID LEVELS THOUGH...POSSIBLY LIMITING
THUNDER BY LATE MORNING. FLOOD WATCH WILL CONTINUE WITH EXPECTED
ADDITION OF NEW RIVER FLOOD WARNINGS AND EVEN SOME FLASH FLOODING
POTENTIAL FOR LATER THIS MORNING IN MUCH OF THE CWA.

STILL EXPECT A DRY SLOT TO BRING BREAK IN PRECIP IN MOST OF THE
CWA THIS AFTERNOON AND INTO THE EARLY EVENING IN THE NORTHEAST/NW
IL/. WITH THE NAM ADVERTISING A TROP FOLD DOWN TO AT LEAST H550
MB RIGHT BEHIND NORTHWARD MIGRATING NEARLY STACKED CYCLONE OVER
MOST OF THE DVN CWA BY LATE AFTERNOON. THIS PLUS THE OBVIOUS INTENSE
PRESSURE GRADIENT BUILDING ACRS THE AREA SOUTH OF THE STILL DEEPENING
SFC LOW TO 980 MB OR EVEN LOWER AS IT PROPAGATES INTO SOUTHWEST WI
THIS EVENING...SUPPORTS GOING WITH A HIGH WIND WARNING FOR
GENERALLY THE SOUTH HALF OF THE CWA FROM LATE AFTERNOON INTO FRI
MORNING. VERTICAL WIND PROFILES ON MOST MODELS AND MOMENTUM
TRANSFER POTENTIAL WITH ENHANCED PRECIP BANDS SUPPORT SUSTAINED 30-40
MPH WITH GUSTS AT LEAST TO 53-57 MPH AT TIMES. WIND ADVISORY
CRITERIA MAY LAST WELL INTO THE DAY FRIDAY.

WITH WRAP AROUND SNOW TAKEN INTO ACCOUNT LATE AFTERNOON AND
ESPECIALLY OVERNIGHT INTO FRI MORNING...HAVE DECIDED TO GO WITH
WINTER STORM WARNING FOR 4-7 INCHES IN FAR NORTHWEST CORNER OF THE
DVN CWA...AND A WINTER WX ADVISORY GENERALLY ALONG AND NORTH OF
A LINE FROM SIGOURNEY...TO CLINTON AND TO FREEPORT FOR 2-5 INCHES
OF SNOW. ALL THESE AMOUNTS WITH A TIME LINE OF 00Z-18Z FRIDAY...SNOW
SPREADING/WRAPPING AROUND FROM THE SOUTHWEST TO NORTHEAST BY LATE
AFTERNOON AND CONTINUING INTO FRI MORNING. HIGH WINDS COMBINED WITH
THE SNOW FOR EXTREME BLOWING AND NEAR WHITEOUT/BLIZZARD CONDITIONS
WILL BE STRESSED IN BOTH THE WARNING AND ADVISORY.

ALL IN ALL...MARCH IN LIKE AN ENRAGED BABOON.

&&

DVN WATCHES/WARNINGS/ADVISORIES...
IA...FREEZING RAIN ADVISORY CONTINUES THROUGH 9 AM ALONG AND
NORTH OF A VAN HORNE...TO SABULA LINE. WINTER STORM WARNING TONIGHT
THROUGH NOON FRIDAY FOR BUCHANAN...DELAWARE...BENTON AND LINN. WINTER
WEATHER ADVISORY FOR REST OF EASTERN IA NORTH OF I80 CORRIDOR. HIGH
WIND WARNING FOR SOUTHEAST IA FROM 21Z THU THROUGH 12Z FRI. FLOOD
WATCH CONTINUES THROUGH FRIDAY AFTERNOON.

IL...FREEZING RAIN ADVISORY FOR JO DAVIESS CONTINUES THROUGH 9 AM
THIS MORNING. WINTER WEATHER ADVISORY FOR JO DAVIESS...STEPHENSON
AND CARROLL TONIGHT THRU NOON FRIDAY. HIGH WIND WARNING FROM LATE
AFTERNOON THROUGH FRI MORNING FOR REST OF WEST CENTRAL IL. FLOOD
WATCH CONTINUES THROUGH FRIDAY AFTERNOON.

 MO...HIGH WIND WARNING FOR LATE AFTERNOON THROUGH FRIDAY
MORNING. FLOOD WATCH CONTINUES THROUGH FRIDAY AFTERNOON.

&&

12

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
505 AM CST WED FEB 28 2007

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-011100-
BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-
CLINTON IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-
HENDERSON IL-HENRY IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-
JO DAVIESS IL-JOHNSON IA-JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-
MCDONOUGH IL-MERCER IL-MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-
SCOTLAND MO-SCOTT IA-STEPHENSON IL-VAN BUREN IA-WARREN IL-
WASHINGTON IA-WHITESIDE IL-
505 AM CST WED FEB 28 2007

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

TODAY...AREAS OF LIGHT RAIN WITH PATCHY FREEZING RAIN WILL DEVELOP
THIS MORNING SOUTH OF I-80.  THIS AFTERNOON...THE PRECIPITATION WILL
MOVE NORTH BECOMING MORE WIDESPREAD MIXING WITH SLEET MAINLY NORTH OF
I-80 AND THEN SNOW MIXING IN ALONG AND NORTH OF THE HIGHWAY 20
CORRIDOR. TEMPERATURES TODAY WITH THE PRECIPITATION WILL HOVER
BETWEEN 31 AND 34F.  THEREFORE...PATCHY ICE IS POSSIBLE MAINLY ON
EXPOSED SURFACES WITH THE GREATEST RISK NORTH OF I-80.  MINOR SLEET
AND SNOW ACCUMULATIONS ARE ALSO POSSIBLE ALONG AND ESPECIALLY NORTH
OF HIGHWAY 30.  SINCE TEMPERATURES WILL BE CLOSE TO FREEZING...A FEW
DEGREES COLDER WOULD RESULT IN MORE FAVORABLE CONDITIONS FOR MORE
SIGNIFICANT AND WIDESPREAD ICE AND SNOW. INDIVIDUALS SHOULD MONITOR
CONDITIONS FOR FURTHER UPDATES ON THIS SITUATION.

TONIGHT...AS TEMPERATURES CONTINUE TO HOVER AROUND THE FREEZING MARK
ALONG AND NORTH OF THE ROUTE 30 CORRIDOR...A MIXTURE OF FREEZING
RAIN...SLEET AND SNOW WILL BE POSSIBLE THROUGH 10 PM BEFORE THE
PRECIPITATION MOVES OUT OF THE AREA. ADDITIONAL LIGHT SNOW AND ICE
ACCUMULATIONS WILL BE POSSIBLE IN THESE AREAS DURING THE EVENING
HOURS AND MAY MAKE FOR SOME SLIPPERY AND HAZARDOUS TRAVEL
CONDITIONS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A POWERFUL STORM SYSTEM WILL IMPACT THE REGION THROUGH SATURDAY.
CURRENT INDICATIONS SUGGEST THAT THIS STORM WILL MOVE UP ALONG AND
JUST WEST OF THE MISSISSIPPI RIVER ON THURSDAY...AND MAY BE EVEN
STRONGER THAN THE ONE THAT AFFECTED THE REGION THIS PAST WEEKEND.

LATE WEDNESDAY NIGHT AND THURSDAY...THE STORM SYSTEM WILL BRING THE
MAIN SURGE OF PRECIPITATION TO THE AREA IN THE FORM OF RAIN AND
EMBEDDED THUNDERSTORMS. LOCALLY HEAVY RAINFALL OF A HALF INCH...UP
TO AN INCH OR MORE...WILL BE POSSIBLE BY MID THURSDAY AFTERNOON.
THIS TYPE OF RAIN AND RUN-OFF WILL PRODUCE SIGNIFICANT RISES ON AREA
RIVER AND STREAMS...WITH MANY APPROACHING OR EXCEEDING THE FLOOD
STAGE. ICE ACTION WILL ALSO ADD TO ANY RIVER OR STREAM FLOODING
POTENTIAL. FLASH FLOODING OF LOW-LYING AND URBAN AREAS MAY ALSO BE A
THREAT. A FLOOD WATCH CONTINUES FOR THE ENTIRE AREA THROUGH FRIDAY
EVENING.

THURSDAY AFTERNOON INTO FRIDAY...A TEMPORARY BREAK IN THE
PRECIPITATION IS EXPECTED THURSDAY AFTERNOON...BEFORE COLD AIR
WRAPPING IN BEHIND THE EXITING STORM SYSTEM BRINGS THE THREAT OF
SNOW. SNOW IS EXPECTED TO OVERSPREAD THE AREA FROM WEST TO EAST FROM
LATE AFTERNOON...AND INTO THURSDAY EVENING. MUCH OF THE AREA MAY
EXPERIENCE SNOWFALL AMOUNTS OF 1 TO 2 INCHES BY FRIDAY MORNING...
WITH AREAS ALONG AND NORTH OF THE ROUTE 30 CORRIDOR POTENTIALLY
HAVING SNOW ACCUMULATIONS UP TO 4 INCHES. ALONG WITH THE ARRIVAL OF
THE SNOW...STRONG WEST WINDS OF 25 TO 35 MPH...WITH GUSTS OF AT LEAST
45 MPH WILL SWEEP ACROSS THE AREA THURSDAY AFTERNOON AND ESPECIALLY
THURSDAY NIGHT. THESE STRONG WINDS MAY COMBINE WITH THE MORE
SUBSTANTIAL SNOW BANDS TO PRODUCE NEAR WHITEOUT OR BLIZZARD-LIKE
CONDITIONS AT TIMES THURSDAY NIGHT. OCCASIONAL LIGHT SNOW AND
WINDY CONDITIONS WILL THEN LAST INTO FRIDAY.

EMERGENCY MANAGERS...HIGHWAY DEPARTMENTS...UTILITY COMPANIES...AND
SCHOOLS ARE URGED TO LISTEN TO LATER STATEMENTS AND FORECASTS
REGARDING THIS APPROACHING STORM SYSTEM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED FOR TODAY OR TONIGHT.

NICHOLS/12

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
302 AM CST THU MAR 01 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0255 AM     HAIL             3 W PRINCETON           41.38N 89.52W
03/01/2007  E0.88 INCH       BUREAU             IL   LAW ENFORCEMENT

            RELAYED BY SHERIFF OFFICE. NICKLE SIZE HAIL BETWEEN
            WYANET AND PRINCETON.

&&

14

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
313 AM CST THU MAR 01 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0302 AM     HAIL             DOVER                   41.43N 89.40W
03/01/2007  E0.25 INCH       BUREAU             IL   TRAINED SPOTTER

            PEA SIZE HAIL LASTING 3 MINUTES. RELAYED BY NWS LOT.

&&

14

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
328 AM CST THU MAR 01 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0328 AM     HAIL             MACOMB                  40.47N 90.68W
03/01/2007  M0.88 INCH       MCDONOUGH          IL   TRAINED SPOTTER

            NICKEL TO PENNY SIZED HAIL COVERING THE GROUND.

&&

BILLN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
329 AM CST THU MAR 01 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0329 AM     HAIL             2 N MACOMB              40.50N 90.68W
03/01/2007  M0.75 INCH       MCDONOUGH          IL   TRAINED SPOTTER

            WINDS ALSO TO 45 MPH.

&&

BILLN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
331 AM CST THU MAR 01 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0329 AM     HAIL             2 S BUSHNELL            40.52N 90.50W
03/01/2007  M0.75 INCH       MCDONOUGH          IL   TRAINED SPOTTER

            SOME PONDING OF WATER AND WINDS TO 45 MPH.

&&

BILLN

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
346 AM CST THU MAR 01 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0320 AM     HAIL             2 N MACOMB              40.50N 90.68W
03/01/2007  M0.75 INCH       MCDONOUGH          IL   TRAINED SPOTTER

            PEA TO PENNY SIZE HAIL COVERING GROUND. WINDS SUSTAINED
            AROUND 40 MPH. PEAK GUST 57.2 MPH. VERY HEAVY RAIN.

0324 AM     HAIL             2 S BUSHNELL            40.52N 90.50W
03/01/2007  M0.75 INCH       MCDONOUGH          IL   TRAINED SPOTTER

            HEAVY RAIN. PONDING OF WATER. WINDS ESTIMATED AT 45 MPH.

&&

14