Alert archive / Iowa / Winter Storm Warnings in 2006

Winter Storm Warning 3, NWS Quad Cities, IA

March 15, 20069 counties in Iowa; 4 counties in Illinois

NWS Quad Cities, IA issued this winter storm warning at Mar 15, 2006, 2:26 PM CST for 9 counties in Iowa; 4 counties in Illinois. It took effect at Mar 15, 2006, 8:55 PM CST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 15, 2006, 2:26 PM CST (20:26 UTC)
In effect from
Mar 15, 2006, 8:55 PM CST
Expired
Mar 16, 2006, 9:20 AM CST
In force
12 hr
Issued by
NWS Quad Cities, IA

Counties Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Jackson County, IA, Jones County, IA, Linn County, IA, Carroll County, IL, Jo Daviess County, IL, Stephenson County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 64 km from the middle of the area, began a volume at 20:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.4 hours before the alert went out and 66 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 2006-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2006-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1327 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KDVN 152026
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
226 PM CST WED MAR 15 2006

...WINTER STORM TO AFFECT THE AREA LATE TONIGHT AND THURSDAY...

.A STORM SYSTEM DEVELOPING OVER THE CENTRAL PLAINS WILL TRACK
EAST ALONG THE SOUTHERN IOWA BORDER LATE TONIGHT THROUGH EARLY
THURSDAY. SNOW WILL DEVELOP AHEAD OF THIS SYSTEM OVER EAST CENTRAL
IOWA AROUND MIDNIGHT AND OVER-SPREAD MUCH OF THE AREA BY THURSDAY
MORNING WITH ACCUMULATING SNOW MOST LIKELY NORTH OF INTERSTATE 80.
AT THIS TIME...HEAVY SNOW ACCUMULATIONS APPEAR LIKELY ALONG THE
HIGHWAY 20 CORRIDOR IN EAST CENTRAL IOWA AND FAR NORTHWEST
ILLINOIS. A WINTER STORM WARNING HAS BEEN ISSUED FOR THIS AREA FOR
LATE TONIGHT THROUGH THURSDAY AFTERNOON. FARTHER SOUTH...ALONG THE
HIGHWAY 30 CORRIDOR...A WINTER WEATHER ADVISORY HAS BEEN ISSUED
FOR THE POTENTIAL OF SIGNIFICANT SNOW ACCUMULATION...ALONG WITH
SOME MIXED PRECIPITATION.

IAZ040>042-054-ILZ001-002-007-160430-
/O.UPG.KDVN.WS.A.0002.060316T0600Z-060316T2200Z/
/O.NEW.KDVN.WS.W.0003.060316T0600Z-060317T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
226 PM CST WED MAR 15 2006

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP LATE TONIGHT AND CONTINUE THROUGH THURSDAY
AFTERNOON. SNOW MAY BE HEAVY AT TIMES...ESPECIALLY EARLY THURSDAY
MORNING THROUGH EARLY THURSDAY AFTERNOON. THERE IS THE POTENTIAL FOR
TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES OR GREATER IN THIS
AREA. THE THREAT FOR THUNDERSNOW ALSO EXISTS...LEADING TO
ISOLATED HIGHER AMOUNTS OVER 7 INCHES.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ051>053-065-066-ILZ009-160430-
/O.NEW.KDVN.WW.Y.0005.060316T0600Z-060317T0000Z/
BENTON-LINN-JONES-CEDAR-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...VINTON...CEDAR RAPIDS...ANAMOSA...
TIPTON...CLINTON...STERLING...ROCK FALLS
226 PM CST WED MAR 15 2006

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM CST THURSDAY. 

SNOW...MIXED AT TIMES WITH RAIN AND SLEET...WILL DEVELOP LATE
TONIGHT AND CONTINUE THROUGH THURSDAY AFTERNOON. SNOW MAY BE HEAVY
AT TIMES...ESPECIALLY EARLY THURSDAY MORNING THROUGH EARLY
THURSDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES
APPEAR LIKELY. THE POTENTIAL FOR THUNDERSNOW EXISTS...LEADING TO
ISOLATED HIGHER AMOUNTS OVER 5 INCHES. AT THIS TIME...SIGNIFICANT
ICE ACCUMULATIONS ARE NOT EXPECTED.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$


ERVIN/BARDOU
8 follow-up statements
000 
WWUS43 KDVN 160255
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
855 PM CST WED MAR 15 2006

...WINTER STORM TO AFFECT THE AREA LATE TONIGHT AND THURSDAY...

.A STORM SYSTEM DEVELOPING OVER THE CENTRAL PLAINS WILL TRACK
EAST ALONG THE SOUTHERN IOWA BORDER LATE TONIGHT THROUGH THURSDAY.
SNOW WILL DEVELOP AHEAD OF THIS SYSTEM OVER EAST CENTRAL IOWA
AROUND MIDNIGHT AND OVERSPREAD MUCH OF THE AREA BY THURSDAY
MORNING WITH ACCUMULATING SNOW MOST LIKELY ALONG AND NORTH OF
INTERSTATE 80. AT THIS TIME...HEAVY SNOW ACCUMULATIONS APPEAR
LIKELY NORTH OF HIGHWAY 30. A WINTER STORM WARNING HAS BEEN
ISSUED FOR THIS AREA FOR MIDNIGHT TONIGHT THROUGH MIDNIGHT THURSDAY
NIGHT. FARTHER SOUTH...ALONG THE INTERSTATE 80 CORRIDOR...A WINTER
WEATHER ADVISORY HAS BEEN ISSUED FOR THE POTENTIAL OF SIGNIFICANT
SNOW ACCUMULATION...ALONG WITH SOME MIXED PRECIPITATION.

IAZ051>053-065-066-ILZ009-161100-
/O.UPG.KDVN.WW.Y.0005.060316T0600Z-060317T0000Z/
/O.EXB.KDVN.WS.W.0003.060316T0600Z-060317T0600Z/
BENTON-LINN-JONES-CEDAR-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...VINTON...CEDAR RAPIDS...ANAMOSA...
TIPTON...CLINTON...STERLING...ROCK FALLS
855 PM CST WED MAR 15 2006

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST THURSDAY NIGHT. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT. 

SNOW...MIXED AT TIMES WITH RAIN AND SLEET...WILL DEVELOP LATE
TONIGHT. THE PRECIPITATION WILL BECOME ALL SNOW BY THURSDAY
MORNING...CONTINUING THROUGH THURSDAY EVENING. SNOW MAY BE HEAVY AT
TIMES...ESPECIALLY EARLY THURSDAY MORNING THROUGH EARLY THURSDAY
AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES APPEAR
LIKELY. THE POTENTIAL FOR THUNDERSNOW EXISTS...LEADING TO ISOLATED
HIGHER AMOUNTS OVER 7 INCHES. AT THIS TIME...SIGNIFICANT ICE
ACCUMULATIONS ARE NOT EXPECTED.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ040>042-054-ILZ001-002-007-161100-
/O.EXT.KDVN.WS.W.0003.060316T0600Z-060317T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
855 PM CST WED MAR 15 2006

...WINTER STORM WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST THURSDAY NIGHT...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT CST THURSDAY NIGHT. 

SNOW WILL DEVELOP LATE TONIGHT AND CONTINUE THROUGH THURSDAY
EVENING. SNOW MAY BE HEAVY AT TIMES...ESPECIALLY EARLY THURSDAY
MORNING THROUGH EARLY THURSDAY AFTERNOON. THERE IS THE POTENTIAL
FOR TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES OR GREATER IN THIS
AREA. THE THREAT FOR THUNDERSNOW ALSO EXISTS...LEADING TO
ISOLATED HIGHER AMOUNTS OVER 7 INCHES.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ063-064-067-068-ILZ015>018-161100-
/O.NEW.KDVN.WW.Y.0006.060316T0600Z-060317T0600Z/
IOWA-JOHNSON-MUSCATINE-SCOTT-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...MUSCATINE...
BETTENDORF...DAVENPORT...MOLINE...ROCK ISLAND...KEWANEE...
PRINCETON...HENNEPIN
855 PM CST WED MAR 15 2006

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST THURSDAY NIGHT. 

SNOW...MIXED AT TIMES WITH RAIN AND SLEET...WILL DEVELOP LATE
TONIGHT AND CONTINUE THROUGH THURSDAY EVENING. SNOW MAY BE HEAVY AT
TIMES...ESPECIALLY EARLY THURSDAY MORNING THROUGH EARLY THURSDAY
AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES APPEAR
LIKELY. THE POTENTIAL FOR THUNDERSNOW EXISTS...LEADING TO ISOLATED
HIGHER AMOUNTS OVER 5 INCHES. AT THIS TIME...SIGNIFICANT ICE
ACCUMULATIONS ARE NOT EXPECTED.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS43 KDVN 160927
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
327 AM CST THU MAR 16 2006

...WINTER STORM TO CONTINUE TODAY INTO THIS EVENING...

.A STORM SYSTEM WILL TRACK EAST ALONG THE SOUTHERN IOWA BORDER TODAY
INTO CENTRAL ILLINOIS BY EVENING. SNOW WILL DEVELOP AHEAD OF THIS
SYSTEM OVER EAST CENTRAL IOWA TOWARD DAYBREAK AND OVER SPREAD MUCH
OF THE AREA THIS MORNING WITH ACCUMULATING SNOW MOST LIKELY ALONG
AND NORTH OF INTERSTATE 80. AT THIS TIME...HEAVIEST SNOW AMOUNTS
ARE EXPECTED BE ALONG AND NORTH OF HIGHWAY 30. SNOW WILL DIMINISH
THIS EVENING FROM WEST TO EAST.

A WINTER STORM WARNING CONTINUES TIL MIDNIGHT TONIGHT ALONG AND 
NORTH OF HIGHWAY 30.  FARTHER SOUTH...ALONG THE INTERSTATE 80
CORRIDOR...A WINTER WEATHER ADVISORY CONTINUES TIL MIDNIGHT FOR
THE POTENTIAL OF SIGNIFICANT SNOW ACCUMULATION...ALONG WITH SOME
MIXED PRECIPITATION OF RAIN AND SLEET WITH THE SNOW.

IAZ040>042-051>054-065-066-ILZ001-002-007-009-161730-
/O.CON.KDVN.WS.W.0003.000000T0000Z-060317T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CEDAR-CLINTON-
JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...TIPTON...CLINTON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS
327 AM CST THU MAR 16 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

SNOW WILL OVER SPREAD THE AREA THIS MORNING. SNOW MAY BE HEAVY AT
TIMES...BY LATE MORNING INTO MID AFTERNOON. THERE IS THE POTENTIAL
FOR TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES OR GREATER IN THIS
AREA. THE THREAT FOR THUNDERSNOW ALSO EXISTS...LEADING TO ISOLATED
HIGHER AMOUNTS OVER 7 INCHES. NORTHEAST WINDS OF 15 TO 25 MPH MAY
RESULT IN SOME DRIFTING OF SNOW IN OPEN AREAS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ063-064-067-068-ILZ015>018-161730-
/O.CON.KDVN.WW.Y.0006.000000T0000Z-060317T0600Z/
IOWA-JOHNSON-MUSCATINE-SCOTT-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...MUSCATINE...
BETTENDORF...DAVENPORT...MOLINE...ROCK ISLAND...KEWANEE...
PRINCETON...HENNEPIN
327 AM CST THU MAR 16 2006

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

PERIODS OF WET SNOW...MIXED AT TIMES WITH RAIN AND SLEET...WILL
DEVELOP THIS MORNING. SNOW MAY BE HEAVY AT TIMES...BY LATE THIS
MORNING THROUGH MID AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 5
INCHES APPEAR LIKELY. THE POTENTIAL FOR THUNDERSNOW EXISTS...LEADING
TO ISOLATED HIGHER AMOUNTS OVER 5 INCHES. AT THIS TIME...SIGNIFICANT
ICE ACCUMULATIONS ARE NOT EXPECTED. THE MOST SIGNIFICANT SNOW TOTALS
WILL BE ON EXPOSED SURFACES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

NICHOLS/SHEETS
000 
WWUS43 KDVN 161437
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
837 AM CST THU MAR 16 2006

...WINTER STORM TO CONTINUE TODAY INTO THIS EVENING NORTH OF
HIGHWAY 20...WITH LESSER AMOUNTS FARTHER SOUTH...

.A STORM SYSTEM WILL TRACK EAST ALONG THE SOUTHERN IOWA BORDER
TODAY INTO CENTRAL ILLINOIS BY EVENING. RAIN WILL CHANGE TO SNOW
OVER EAST CENTRAL AND NORTHEAST IOWA TOWARD MID MORNING AND OVER
NORTHWEST ILLINOIS BY LATE MORNING. AT THIS TIME...HEAVIEST SNOW
AMOUNTS ARE EXPECTED BE NORTH OF HIGHWAY 20. LIGHT SNOW WILL
DIMINISH THIS EVENING FROM WEST TO EAST.

A WINTER STORM WARNING CONTINUES TIL MIDNIGHT TONIGHT ALONG AND
NORTH OF HIGHWAY 20. FARTHER SOUTH...A MIX OF RAIN AND SNOW WILL
CONTINUE THROUGH THE EVENING...WITH ACCUMULATIONS GENERALLY 3
INCHES OR LESS.

IAZ051>054-065-066-ILZ007-009-161545-
/O.CAN.KDVN.WS.W.0003.000000T0000Z-060317T0600Z/
BENTON-LINN-JONES-JACKSON-CEDAR-CLINTON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...VINTON...CEDAR RAPIDS...ANAMOSA...
MAQUOKETA...TIPTON...CLINTON...MOUNT CARROLL...STERLING...
ROCK FALLS
837 AM CST THU MAR 16 2006

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER STORM WARNING. SNOW ACCUMULATIONS OF UNDER 3 INCHES CAN BE
EXPECTED LATER THIS AFTERNOON AND EVENING...GENERALLY ON ELEVATED
AND GRASSY SURFACES.

$$

IAZ063-064-067-068-ILZ015>018-161545-
/O.CAN.KDVN.WW.Y.0006.000000T0000Z-060317T0600Z/
IOWA-JOHNSON-MUSCATINE-SCOTT-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...MUSCATINE...
BETTENDORF...DAVENPORT...MOLINE...ROCK ISLAND...KEWANEE...
PRINCETON...HENNEPIN
837 AM CST THU MAR 16 2006

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER WEATHER ADVISORY. SNOW ACCUMULATIONS OF UNDER AN INCH CAN
BE EXPECTED LATER THIS AFTERNOON AND EVENING...GENERALLY ON
ELEVATED AND GRASSY SURFACES.

$$

IAZ040>042-ILZ001-002-162245-
/O.CON.KDVN.WS.W.0003.000000T0000Z-060317T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-JO DAVIESS-STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
GALENA...FREEPORT
837 AM CST THU MAR 16 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

RAIN WILL CHANGE BACK TO SNOW OVER THE AREA BY MID MORNING. SNOW
MAY BE HEAVY AT TIMES...BY LATE MORNING INTO MID AFTERNOON. THERE
IS THE POTENTIAL FOR TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES OR
GREATER IN THIS AREA. THE THREAT FOR THUNDERSNOW ALSO EXISTS...
LEADING TO ISOLATED HIGHER AMOUNTS OVER 6 INCHES. NORTHEAST WINDS
OF 15 TO 25 MPH MAY RESULT IN SOME DRIFTING OF SNOW IN OPEN AREAS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$


ERVIN
000 
WWUS43 KDVN 161520
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
920 AM CST THU MAR 16 2006

...WINTERY MIX OF RAIN AND SNOW EXPECTED WITH LESS THAN 3 INCHES
ACCUMULATION...

.WARM TEMPERATURES HAVE BEEN POORING INTO THE AREA
TODAY...LIMITING SNOW TOTALS THIS MORNING BEFORE CHANGING TO RAIN
IN THE PAST FEW HOURS. NEW SNOWFALL THIS AFTERNOON WILL BE
WET...AND SHOULD ONLY AMOUNT TO LESS THAN 3 INCHES. THEREFORE THE
WINTER STORM WARNING HAS BEEN CANCELLED.

IAZ040>042-ILZ001-002-161630-
/O.CAN.KDVN.WS.W.0003.000000T0000Z-060317T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-JO DAVIESS-STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
GALENA...FREEPORT
920 AM CST THU MAR 16 2006

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER STORM WARNING. 

$$


ERVIN
000 
WWUS43 KDVN 200355
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
955 PM CST SUN MAR 19 2006

...WINTER STORM TO AFFECT SOUTHEAST IOWA...NORTHEAST MISSOURI...
AND WEST CENTRAL ILLINOIS MONDAY EVENING INTO TUESDAY AFTERNOON...

.LOW PRESSURE WILL EXIT THE HIGH PLAINS MONDAY AND MOVE EASTWARD
TOWARD THE REGION. THE CURRENT TRACK OF THE SYSTEM WILL RESULT IN
ACCUMULATING SNOW ACROSS NORTHEAST MISSOURI...SOUTHEAST IOWA...AND
WEST CENTRAL ILLINOIS MONDAY EVENING INTO TUESDAY AFTERNOON WITH
AMOUNTS IN EXCESS OF 6 INCHES POSSIBLE. HIGH PRESSURE TO THE EAST
WILL KEEP SENDING DRY AIR INTO THE REGION RESULTING IN A SHARP
CUTOFF BETWEEN LIGHT SNOW AMOUNTS AND SIGNIFICANT SNOW AMOUNTS.
STRONG WINDS WILL COMBINE WITH THE FALLING SNOW TO CREATE WHITE
OUT CONDITIONS AT TIMES.

IAZ098-099-ILZ034-035-MOZ009-010-201200-
/O.CON.KDVN.WS.A.0003.060321T0000Z-060321T1800Z/
VAN BUREN-LEE-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...KEOSAUQUA....FORT MADISON...CARTHAGE...
MACOMB...MEMPHIS...KAHOKA
955 PM CST SUN MAR 19 2006

...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY EVENING
THROUGH TUESDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY EVENING
THROUGH TUESDAY MORNING. 

A WINTER STORM WILL MOVE OUT OF THE HIGH PLAINS INTO THE NORTHEAST
MISSOURI...SOUTHEAST IOWA...AND WEST CENTRAL ILLINOIS AREA MONDAY
EVENING INTO TUESDAY AFTERNOON. THERE IS THE POTENTIAL FOR TOTAL
SNOW ACCUMULATIONS GREATER THAN 6 INCHES IN THIS AREA BY TUESDAY
AFTERNOON. STRONG WINDS COMBINED WITH THE FALLING SNOW WILL
CREATE WHITE OUT CONDITIONS AT TIMES. CONTINUE TO MONITOR LATER
FORECASTS FOR UPDATES ON THIS POTENTIAL WINTER WEATHER SITUATION.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$
DLS
000 
WWUS43 KDVN 200918
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
318 AM CST MON MAR 20 2006

...WINTER STORM TO AFFECT SOUTHEAST IOWA...NORTHEAST MISSOURI...
AND WEST CENTRAL ILLINOIS MONDAY EVENING INTO TUESDAY AFTERNOON...

.LOW PRESSURE WILL MOVE EASTWARD THROUGH MISSOURI ON MONDAY. THE
CURRENT TRACK OF THE SYSTEM WILL RESULT IN ACCUMULATING SNOW
ACROSS NORTHEAST MISSOURI... SOUTHEAST IOWA... AND WEST CENTRAL
ILLINOIS MONDAY EVENING INTO TUESDAY AFTERNOON... WITH AMOUNTS IN
EXCESS OF 6 INCHES POSSIBLE. HIGH PRESSURE TO THE EAST WILL KEEP
SENDING DRY AIR INTO THE REGION... RESULTING IN A SHARP CUTOFF
BETWEEN LIGHT SNOW AMOUNTS AND SIGNIFICANT SNOW AMOUNTS. STRONG
WINDS MAY COMBINE WITH THE FALLING SNOW TO CREATE WHITE-OUT
CONDITIONS AT TIMES.

IAZ098-099-ILZ034-035-MOZ009-010-201730-
/O.CON.KDVN.WS.A.0003.060321T0000Z-060321T1800Z/
VAN BUREN-LEE-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...KEOSAUQUA....FORT MADISON...CARTHAGE...
MACOMB...MEMPHIS...KAHOKA
318 AM CST MON MAR 20 2006

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
TUESDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
TUESDAY MORNING. 

A WINTER STORM WILL MOVE OUT OF THE HIGH PLAINS INTO THE
NORTHEAST MISSOURI... SOUTHEAST IOWA... AND WEST CENTRAL ILLINOIS
AREA MONDAY EVENING INTO TUESDAY AFTERNOON. THERE IS THE POTENTIAL
FOR TOTAL SNOW ACCUMULATIONS GREATER THAN 6 INCHES IN THIS AREA BY
TUESDAY AFTERNOON. STRONG WINDS COMBINED WITH THE FALLING SNOW MAY
CREATE WHITE-OUT CONDITIONS AT TIMES. CONTINUE TO MONITOR LATER
FORECASTS FOR UPDATES ON THIS POTENTIAL WINTER WEATHER SITUATION.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

MAYES
000 
WWUS43 KDVN 201611
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1011 AM CST MON MAR 20 2006

...WINTER STORM TO AFFECT SOUTHEAST IOWA...NORTHEAST MISSOURI...
AND WEST CENTRAL ILLINOIS THIS EVENING INTO TUESDAY AFTERNOON...

.LOW PRESSURE WILL MOVE EASTWARD TOWARD MISSOURI TODAY. THE
CURRENT TRACK OF THE SYSTEM WILL RESULT IN ACCUMULATING SNOW
ACROSS NORTHEAST MISSOURI... SOUTHEAST IOWA... AND WEST CENTRAL
ILLINOIS THIS EVENING INTO TUESDAY AFTERNOON... WITH AMOUNTS IN
EXCESS OF 6 INCHES POSSIBLE. HIGH PRESSURE TO THE EAST WILL KEEP
SENDING DRY AIR INTO THE REGION... RESULTING IN A SHARP CUTOFF
BETWEEN LIGHT SNOW AMOUNTS AND SIGNIFICANT SNOW AMOUNTS. STRONG
WINDS MAY COMBINE WITH THE FALLING SNOW TO CREATE WHITE-OUT
CONDITIONS AT TIMES.

IAZ098-099-ILZ034-035-MOZ009-010-210015-
/O.CON.KDVN.WS.A.0003.060321T0000Z-060321T1800Z/
VAN BUREN-LEE-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...KEOSAUQUA....FORT MADISON...CARTHAGE...
MACOMB...MEMPHIS...KAHOKA
1011 AM CST MON MAR 20 2006

...WINTER STORM WATCH REMAINS IN EFFECT FROM 6 PM CST THIS
EVENING THROUGH TUESDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH TUESDAY MORNING. 

A WINTER STORM WILL MOVE OUT OF THE HIGH PLAINS INTO THE
NORTHEAST MISSOURI... SOUTHEAST IOWA... AND WEST CENTRAL ILLINOIS
AREA THIS EVENING INTO TUESDAY AFTERNOON. THERE IS THE
POTENTIAL FOR TOTAL SNOW ACCUMULATIONS GREATER THAN 6 INCHES IN
THIS AREA BY TUESDAY AFTERNOON. STRONG WINDS COMBINED WITH THE
FALLING SNOW MAY CREATE WHITE-OUT CONDITIONS AT TIMES. CONTINUE
TO MONITOR LATER FORECASTS FOR UPDATES ON THIS POTENTIAL WINTER
WEATHER SITUATION.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

BARDOU
000 
WWUS43 KDVN 202055
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
255 PM CST MON MAR 20 2006

...WINTER STORM TO AFFECT SOUTHEAST IOWA...NORTHEAST MISSOURI...
AND WEST CENTRAL ILLINOIS THIS EVENING INTO TUESDAY AFTERNOON...

.LOW PRESSURE WILL MOVE EASTWARD TOWARD MISSOURI THIS EVENING. THE
CURRENT TRACK OF THE SYSTEM WILL RESULT IN ACCUMULATING SNOW
ACROSS NORTHEAST MISSOURI...SOUTHEAST IOWA...AND WEST CENTRAL
ILLINOIS THIS EVENING INTO EARLY TUESDAY AFTERNOON. HIGH PRESSURE
TO THE EAST WILL KEEP SENDING DRY AIR INTO THE REGION...RESULTING
IN A SHARP CUTOFF BETWEEN LIGHT SNOW AMOUNTS AND SIGNIFICANT SNOW
AMOUNTS. STRONG WINDS WILL COMBINE WITH THE FALLING SNOW TO CREATE
BLOWING AND DRIFTING...ALONG WITH WHITE-OUT CONDITIONS AT
TIMES...MAKING TRAVEL EXTREMELY HAZARDOUS.

IAZ098-099-ILZ034-035-MOZ009-010-210500-
/O.UPG.KDVN.WS.A.0003.060321T0000Z-060321T1800Z/
/O.NEW.KDVN.WS.W.0004.060321T0300Z-060321T1800Z/
VAN BUREN-LEE-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...KEOSAUQUA....FORT MADISON...CARTHAGE...
MACOMB...MEMPHIS...KAHOKA
255 PM CST MON MAR 20 2006

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 12 PM
CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

A COMPLEX STORM SYSTEM WILL MOVE ACROSS NORTHEAST MISSOURI...
SOUTHEAST IOWA...AND WEST CENTRAL ILLINOIS THIS EVENING INTO
TUESDAY AFTERNOON. ACCUMULATING SNOW WILL DEVELOP LATE THIS
EVENING AND CONTINUE INTO TUESDAY MORNING. THE HEAVIEST SNOW IS
EXPECTED TO FALL BETWEEN MIDNIGHT AND 9 AM. STRONG EASTERLY WINDS
PUSHING DRY AIR INTO THE REGION WILL ALLOW FOR A SHARP CUTOFF
BETWEEN LIGHT AND HEAVY SNOW ACCUMULATIONS. SNOW ACCUMULATIONS OF
4 TO 7 INCHES ARE POSSIBLE BY EARLY TUESDAY AFTERNOON...WITH THE
HEAVIEST AMOUNTS ALONG AND SOUTH OF A KEOSAUQUA IOWA TO MACOMB
ILLINOIS LINE. WINDS OF 20 TO 30 MPH COMBINED WITH THE FALLING
SNOW WILL CREATE BLOWING AND DRIFTING...AS WELL AS WHITE-OUT
CONDITIONS AT TIMES...MAKING TRAVEL EXTREMELY HAZARDOUS. CONTINUE
TO MONITOR LATER FORECASTS FOR UPDATES ON THIS DEVELOPING WINTER
WEATHER SITUATION.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ076-077-087>089-ILZ025-026-210500-
/O.NEW.KDVN.WW.Y.0007.060321T0300Z-060321T1800Z/
KEOKUK-WASHINGTON-JEFFERSON-HENRY IA-DES MOINES-HENDERSON-WARREN-
INCLUDING THE CITIES OF...SIGOURNEY...WASHINGTON...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...OQUAWKA...MONMOUTH
255 PM CST MON MAR 20 2006

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST TUESDAY. 

A COMPLEX STORM SYSTEM WILL MOVE ACROSS NORTHEAST MISSOURI...
SOUTHEAST IOWA... AND WEST CENTRAL ILLINOIS THIS EVENING INTO
TUESDAY AFTERNOON. ACCUMULATING SNOW WILL DEVELOP LATE THIS
EVENING AND CONTINUE INTO TUESDAY MORNING. THE HEAVIEST SNOW IS
EXPECTED TO FALL BETWEEN MIDNIGHT AND 9 AM. STRONG EASTERLY WINDS
PUSHING DRY AIR INTO THE REGION WILL ALLOW FOR A SHARP CUTOFF
BETWEEN LIGHT AND HEAVY SNOW ACCUMULATIONS. SNOW ACCUMULATIONS OF
2 TO 5 INCHES ARE POSSIBLE BY EARLY TUESDAY AFTERNOON...WITH THE
HEAVIEST AMOUNTS ALONG AND SOUTH OF A FAIRFIELD IOWA TO BURLINGTON
IOWA TO ROSEVILLE ILLINOIS LINE. WINDS OF 20 TO 30 MPH COMBINED
WITH THE FALLING SNOW WILL CREATE BLOWING AND DRIFTING...AS WELL
AS SIGNIFICANTLY REDUCED VISIBILITIES AT TIMES...MAKING TRAVEL VERY HAZARDOUS.
CONTINUE TO MONITOR LATER FORECASTS FOR UPDATES ON THIS DEVELOPING
WINTER WEATHER SITUATION.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

BARDOU/12

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this winter storm warning went out at Mar 15, 6:03 AM CST, 8 hours 23 minutes earlier.

Area forecast discussion, Mar 15, 6:03 AM CST, 8 hours 23 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
603 AM CST WED MAR 15 2006

.DISCUSSION...
FOCUS THIS MORNING IS ON WINTER STORM WITH HEAVY SNOW POTENTIAL
SETTING UP FOR LATE TONIGHT THROUGH THURSDAY. POWERFUL UPPER LEVEL
TROUGH WAS SEEN ON WATER VAPOR IMAGERY PUSHING ACROSS NORTHERN CA
INTO NV EARLY THIS MORNING...WITH LIGHTNING NUMEROUS LIGHTNING
STRIKES LATE LAST EVENING TESTIFYING TO ITS STRENGTH. SHORT TERM
FORECAST MODELS COMING INTO CLOSER AGREEMENT WITH PATH AND STRENGTH
OF SURFACE CYCLONE THAT EMERGES LEE OF THE ROCKIES TODAY AND TRACKS
EAST TO OHIO RIVER VALLEY BY THU NIGHT...TRACKING ACROSS SOUTHERN
CWFA LATE TONIGHT INTO THU AM. 00Z AND 06Z RUNS HAVE SHOWN CONTINUED
TREND OF SLOWING AND SHIFTING SURFACE LOW FURTHER SOUTHWARD. UKMET
AND ECMWF MODELS HAVE SHOWN MOST STABILITY PAST FEW RUNS WITH THIS
MORE SOUTHERLY TRACK...WHICH 06Z MODELS HAVE FURTHER ADJUSTED
TOWARDS. HAVE USED BLEND OF GFS AND UKMET IN FORECAST...ANTICIPATING
HEAVIEST SNOW IN CWFA ALONG HIGHWAY 20 CORRIDOR WHERE WINTER STORM
WATCH ISSUED FOR LATE TONIGHT THROUGH THU AFTERNOON. VARIOUS
TECHNIQUES POINT TOWARD POTENTIAL FOR 6 TO 8 INCHES...AND POSSIBLY
HIGHER AMOUNTS ALONG AXIS FROM ALO TO MAQUOKETA TO STERLING IF A
SOLUTION CLOSER TO LATEST UKMET VERIFIES...WHICH WILL BE CLOSELY
MONITORED TODAY. ONE ASPECT TO WATCH WILL BE MOISTURE RETURN FROM
OPENING GULF BEGINNING TO SURGE NORTHWARD ON STRONG LOW LEVEL JET.

IN NEAR TERM...CLEAR AND COLD CONDITIONS START OUT TODAY UNDER
SURFACE RIDGE AXIS. TRENDED HIGHS CLOSEST TO WARMEST MAV NUMBERS
THAT PERFORMED REASONABLY WELL YESTERDAY. MORNING SUNSHINE WILL BE
FILTERED BY INCREASING CI CURRENTLY SEEN SPILLING INTO UPSTREAM WEAK
RIDGE. ISENTROPIC LIFT COMMENCES TONIGHT...WITH SATURATION AND ONSET
OF SNOW INITIALLY OVER NORTH LATE EVENING. THERMAL FIELDS SUPPORT
INITIALLY RAIN OVER CENTRAL AND SOUTH THAT WILL TRANSITION FROM
NORTH TO SOUTH OVER MOST OF AREA TO SNOW. WITH CONFIDENCE
HIGH...RAISED POPS TO CATEGORICAL ACROSS NORTHERN THIRD...WITH
LIKELY ACROSS CENTRAL CWFA FOR LATE TONIGHT THROUGH THU.

NO SIGNIFICANT CHANGES TO THU NIGHT AND BEYOND. LATEST MEDIUM RANGE
MODELS BECOMING MORE BULLISH ON SIGNIFICANT STORM SYSTEM THAT HAS
POTENTIAL TO BE HEAVY SNOW PRODUCER FOR SOME PART OF REGION BY
TUESDAY.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WINTER STORM WATCH MIDNIGHT TONIGHT UNTIL 4 PM THURSDAY
ROUGHLY NORTH OF A LINE FROM INDEPENDENCE TO MAQUOKETA.
IL...WINTER STORM WATCH MIDNIGHT TONIGHT UNTIL 4 PM THURSDAY ROUGHLY
NORTH OF A LINE FROM FULTON TO STERLING LINE.
MO...NONE.

&&

DLS
Hazardous weather outlook, Mar 15, 5:21 AM CST, 9 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
521 AM CST WED MAR 15 2006

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-161130-
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-
521 AM CST WED MAR 15 2006

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

A STORM SYSTEM MOVING OUT OF THE CENTRAL ROCKIES WILL SPREAD
SNOW ACROSS NORTHERN PORTIONS OF THE OUTLOOK AREA LATE TONIGHT. A
WINTER STORM WATCH HAS BEEN ISSUED FOR AREAS ALONG THE HIGHWAY 20
CORRIDOR IN EASTERN IOWA...AND NORTH OF A LINE FROM FULTON TO
STERLING IN NORTHWEST ILLINOIS FOR MIDNIGHT TONIGHT THROUGH
THURSDAY AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THIS AREA LATE TONIGHT
WITH LIGHT ACCUMULATIONS POSSIBLE AS FAR SOUTH AS INTERSTATE 80.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SNOW WILL CONTINUE INTO EARLY THURSDAY AFTERNOON OVER THE
NORTHERN HALF OF THE OUTLOOK AREA. AT THIS TIME...IT APPEARS SNOWFALL
TOTALS MAY REACH AS HIGH AS 6 TO 8 INCHES IN THE CURRENT WINTER
STORM WATCH AREA. LIGHTER AMOUNTS ARE EXPECTED FURTHER SOUTH...
WITH SOME ACCUMULATION POSSIBLE AS FAR SOUTH AS HIGHWAY 34...WHERE
RAIN MAY BE MIXED WITH SNOW AT TIMES. INCREASING NORTHWEST WINDS
MAY CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW.

THERE IS STILL SOME UNCERTAINTY IN THE FORECAST PATH AND STRENGTH
OF THIS WINTER STORM. CURRENT TRENDS INDICATE SOME SOUTHWARD
ADJUSTMENT OF THE EXPECTED HEAVY SNOWFALL AXIS MAY BE NEEDED. THIS
MAY BE REFLECTED IN UPDATED FORECASTS AND POSSIBLE WINTER WEATHER ADVISORIES
OR WINTER STORM WARNINGS LATER TODAY.

ANOTHER STORM SYSTEM MAY AFFECT THE AREA LATE NEXT MONDAY INTO
TUESDAY WITH THE POTENTIAL TO PRODUCE HEAVY SNOWFALL OR
SIGNIFICANT RAINFALL ACROSS PORTIONS OF THE OUTLOOK AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT...HOWEVER
SNOWFALL REPORTS ARE ALWAYS APPRECIATED.

DLS

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 15, 3:45 AM CSTWinter Storm WatchDVNBuchanan, Delaware, Dubuque, Jackson11 hr
Mar 15, 2:26 PM CSTWinter Weather AdvisoryDVNBenton, Cedar, Clinton, Jones, Linn6 hr

Nearby

Winter Storm Warnings in Iowa, 2006Winter Storm Warnings in Illinois, 2006Every winter storm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.