Alert archive / Iowa / Winter Storm Warnings in 2006

Winter Storm Warning 2, NWS Quad Cities, IA

February 15, 200611 counties in Iowa; Carroll County, Jo Daviess County, Stephenson County, Illinois

NWS Quad Cities, IA issued this winter storm warning at Feb 15, 2006, 3:37 PM CST for 11 counties in Iowa; Carroll County, Jo Daviess County, Stephenson County, Illinois. It took effect at Feb 16, 2006, 12:00 AM CST. It was in force for 18 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
Feb 15, 2006, 3:37 PM CST (21:37 UTC)
In effect from
Feb 16, 2006, 12:00 AM CST
Expired
Feb 16, 2006, 5:52 PM CST
In force
18 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, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Carroll County, IL, Jo Daviess County, IL, Stephenson County, IL

The radar

The Quad Cities radar (KDVN), 68 km from the middle of the area, began a volume at 21:37 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, 9.6 hours before the alert went out and 71 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 2006-02-15Temperature 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 2006-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 square meters per square second.1939587897117Sfc1 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
1577 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
52 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 152137
WSWDVN

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

...SNOW...SLEET AND ICE TO IMPACT THE AREA TONIGHT AND
THURSDAY...

.A WINTER STORM WILL MOVE OUT OF THE SOUTHERN PLAINS TONIGHT AND
MAKE IT TO LOWER MICHIGAN BY THURSDAY EVENING. THIS STORM SYSTEM
WILL SPREAD A FIRST WAVE OF SNOW...FREEZING RAIN AND SLEET OVER
THE AREA TONIGHT...AND THEN A MORE SUBSTANTIAL ROUND OF SNOW...
FREEZING RAIN AND SLEET ACROSS THE REGION ON THURSDAY. SNOW WILL
ACCUMULATE 6 INCHES OR MORE IN PORTIONS OF NORTHEAST IOWA AND FAR
NORTHWEST ILLINOIS...WITH A MIXTURE OF FREEZING RAIN...SLEET AND
SNOW IN PORTIONS OF SOUTHEAST IOWA AND WEST CENTRAL ILLINOIS.
THERE WILL BE SOME ICE ACCUMULATION FROM THE INTERSTATE 80
CORRIDOR ON SOUTH TO MISSOURI AND WEST CENTRAL ILLINOIS LATER
TONIGHT AND THURSDAY MORNING. ICE MAY ACCUMULATE UP TO TWO TENTHS
OF AN INCH OF GLAZE WITH LOCALLY HIGHER AMOUNTS. NORTHWEST WINDS
WILL BECOME STRONG BY THURSDAY EVENING...CREATING CONSIDERABLE
BLOWING AND DRIFTING SNOW WELL INTO THURSDAY NIGHT. NEAR BLIZZARD
LIKE CONDITIONS MAY OCCUR BY LATE THURSDAY AFTERNOON AND
ESPECIALLY DURING THE EVENING IN AREAS THAT RECEIVE SUBSTANTIAL
SNOWFALL.

IAZ040>042-051>054-063>066-ILZ001-002-007-160545-
/O.UPG.KDVN.WS.A.0001.060216T0600Z-060217T0600Z/
/O.NEW.KDVN.WS.W.0002.060216T0600Z-060217T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...GALENA...FREEPORT...MOUNT CARROLL
337 PM CST WED FEB 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 STORM WATCH IS NO LONGER
IN EFFECT. 

5 TO 8 INCHES OF SNOW ACCUMULATION IS EXPECTED BY THURSDAY EVENING
ALONG AND NORTH OF A LINE FROM CEDAR RAPIDS...TO MAQUOKETA...AND
TO FREEPORT. 1 TO 3 INCHES OF SNOW MAY FALL IN THESE AREAS BY
THURSDAY MORNING...WITH THE HEAVIER ACCUMULATING SNOW THEN
OCCURRING BY THURSDAY AFTERNOON. AREAS FROM MARENGO...TO TIPTON
WILL RECEIVE ANYWHERE FROM 2 TO 5 INCHES OF SNOW BY THURSDAY
EVENING...ALONG WITH SOME ICE ACCUMULATION UP TO TWO TENTHS OF AN
INCH LATE TONIGHT AND THURSDAY MORNING. AREAS FROM CLINTON TO
MOUNT CARROLL WILL RECEIVE ICE ACCUMULATION UP TO TWO TENTHS OF AN
INCH BY MIDDAY THURSDAY...THEN ANYWHERE FROM 1 TO 4 INCHES OF SNOW
THURSDAY AFTERNOON AND EVENING. SOME SIGNIFICANT SLEET ACCUMULATION
MAY ALSO OCCUR LATE TONIGHT AND THURSDAY MORNING. NORTHWEST WINDS
WILL INCREASE TO 15 TO 30 MPH WITH HIGHER GUSTS BY THURSDAY
EVENING...PRODUCING CONSIDERABLE BLOWING AND DRIFTING SNOW. NEAR
BLIZZARD LIKE CONDITIONS MAY DEVELOP BY THURSDAY EVENING...ESPECIALLY 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.

$$

IAZ067-068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-160545-
/O.NEW.KDVN.WW.Y.0003.060216T0600Z-060217T0600Z/
MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-
DES MOINES-VAN BUREN-LEE-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-
PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MUSCATINE...BETTENDORF...DAVENPORT...
SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA....FORT MADISON...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
337 PM CST WED FEB 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 AND SLEET WILL OVER SPREAD THE ADVISORY AREA TONIGHT...
SWITCHING OVER TO FREEZING RAIN BY LATE TONIGHT AND THURSDAY
MORNING. ICE ACCUMULATIONS OF ONE TO TWO TENTHS OF AN INCH ARE
EXPECTED BY MIDDAY THURSDAY...WITH SOME LOCALLY THICKER ICE GLAZE
POSSIBLE. SOME SIGNIFICANT SLEET ACCUMULATION MAY ALSO OCCUR
TONIGHT AND THURSDAY IN THE ADVISORY AREA. 1 TO 3 INCHES OF SNOW
MAY THEN ACCMULATE IN NORTHERN PORTIONS OF THE ADVISORY THURSDAY
AFTERNOON AND EVENING.

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.

$$

LE/12
7 follow-up statements
000 
WWUS43 KDVN 161032
WSWDVN

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

...ICE AND SNOW STORM TO IMPACT AREA TODAY... 

.A WINTER STORM WILL MOVE OUT OF THE SOUTHERN PLAINS TODAY
REACHING LOWER MICHIGAN TONIGHT. THIS STORM SYSTEM WILL BRING
ANOTHER ROUND OF SNOW AND MIXED WINTER PRECIPITATION TO EASTERN
IOWA...NORTHWEST ILLINOIS AND NORTHEAST MISSOURI. SNOW
ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED NORTHWEST OF A CEDAR
RAPIDS TO DUBUQUE LINE. TO THE SOUTH...FREEZING RAIN WITH ICE
ACCUMULATIONS OF ONE QUARTER TO ONE HALF INCHES WILL IMPACT EAST
CENTRAL IOWA INTO NORTHWEST ILLINOIS AND AN ICE STORM WARNING HAS
BEEN ISSUED. A WINTRY MIX WILL IMPACT AREAS FURTHER TO THE
SOUTHEAST...WITH LIGHTER SNOW AND ICE ACCUMULATIONS. AS THE SYSTEM
DEPARTS TOWARD LATE AFTERNOON...PRECIPITATION WILL CHANGE TO LIGHT
SNOW IN MOST AREAS WITH INCREASING NORTHWEST WINDS CREATING NEAR
BLIZZARD CONDITIONS OVER PORTIONS OF EASTERN IOWA. MEASURABLE
SNOW WILL END AROUND SUNSET OVER THE AREA...WITH AREAS OF BLOWING
SNOW CONTINUING.

IAZ053-054-063>066-ILZ001-002-007-161845-
/O.CAN.KDVN.WS.W.0002.000000T0000Z-060217T0600Z/
/O.NEW.KDVN.IS.W.0001.060216T1032Z-060217T0000Z/
JONES-JACKSON-IOWA-JOHNSON-CEDAR-CLINTON-JO DAVIESS-STEPHENSON-
CARROLL-
INCLUDING THE CITIES OF...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...GALENA...FREEPORT...MOUNT CARROLL
432 AM CST THU FEB 16 2006

...WINTER STORM WARNING IS CANCELLED...
...ICE STORM WARNING IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
THE WINTER STORM WARNING HAS BEEN CANCELLED. 

FREEZING RAIN...MIXED WITH SLEET AT TIMES...WILL DEVELOP THIS
MORNING WITH ICE ACCUMULATIONS AS HIGH AS ONE QUARTER TO ONE HALF
INCH BY NOON. THE PRECIPITATION WILL DIMINISH AND CHANGE TO LIGHT
SNOW IN THE AFTERNOON. SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE
POSSIBLE BEFORE ENDING AFTER SUNSET. NORTHWEST WINDS INCREASING TO
20 TO 30 MPH IN THE AFTERNOON MAY CAUSE SOME BLOWING SNOW AND
REDUCED VISIBILITY. 

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE
ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES
AND FALLING TREE BRANCHES THAT ADD TO THE DANGER.

$$

IAZ076-077-161845-
/O.UPG.KDVN.WW.Y.0003.000000T0000Z-060217T0600Z/
/O.NEW.KDVN.IS.W.0001.060216T1032Z-060217T0000Z/
KEOKUK-WASHINGTON-
INCLUDING THE CITIES OF...SIGOURNEY...WASHINGTON
432 AM CST THU FEB 16 2006

...ICE STORM WARNING IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

FREEZING RAIN...MIXED WITH SLEET AT TIMES...WILL DEVELOP THIS
MORNING WITH ICE ACCUMULATIONS AS HIGH AS ONE QUARTER TO ONE HALF
INCH BY NOON. THE PRECIPITATION WILL DIMINISH AND CHANGE TO LIGHT
SNOW IN THE AFTERNOON. SNOW ACCUMULATIONS OF 1 TO 2 INCHES INCHES
ARE POSSIBLE BEFORE SNOW ENDS AFTER SUNSET. NORTHWEST WINDS
INCREASING TO 20 TO 30 MPH IN THE AFTERNOON MAY CAUSE SOME BLOWING
SNOW AND REDUCED VISIBILITY.

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED.IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE
ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES
AND FALLING TREE BRANCHES THAT ADD TO THE DANGER.

$$

IAZ040>042-051-052-161845-
/O.EXT.KDVN.WS.W.0002.000000T0000Z-060217T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS
432 AM CST THU FEB 16 2006

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

A MIX OF FREEZING RAIN...SLEET AND SNOW WILL CHANGE TO SNOW AROUND
MIDDAY. ICE ACCUMULATIONS UP TO A QUARTER INCH WILL BE POSSIBLE.
SNOW ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED IN THE AFTERNOON.
NORTHWEST WINDS INCREASING TO 20 TO 30 MPH IN THE AFTERNOON WILL
CREATE NEAR BLIZZARD CONDITIONS. ACCUMULATING SNOW WILL END BY
EVENING...BUT THERE MAY STILL BE SOME BLOWING SNOW. 

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.

$$

IAZ067-068-078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-161845-
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-060217T0000Z/
MUSCATINE-SCOTT-LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-
LEE-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MUSCATINE...BETTENDORF...DAVENPORT...
WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
KEWANEE...PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...
CARTHAGE...MACOMB...MEMPHIS...KAHOKA
432 AM CST THU FEB 16 2006

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

FREEZING RAIN AND SLEET WILL REDEVELOP OVER THE AREA THIS MORNING
WITH ICE ACCUMULATIONS UP TO A QUARTER INCH. PRECIPITATION WILL
MIX WITH SNOW...THEN CHANGE TO ALL SNOW DURING THE AFTERNOON WITH
SNOW ACCUMULATIONS OF 1 TO 3 INCHES. INCREASING NORTHWEST WINDS
WILL CAUSE SOME BLOWING SNOW TOWARD EVENING.

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.

$$
SHEETS
000 
WWUS43 KDVN 161728
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1128 AM CST THU FEB 16 2006

...WINTER STORM CONTINUES TO IMPACT AREA THIS AFTERNOON...

.A WINTER STORM WILL MOVE ACROSS CENTRAL ILLINOIS THIS AFTERNOON
REACHING LOWER MICHIGAN TONIGHT. THE STORM WILL BRING SNOW TO
EASTERN IOWA AND NORTHWEST ILLINOIS THROUGH EARLY EVENING WITH
MIXED WINTER PRECIPITATION EXPECTED ACROSS NORTHEASTERN MISSOURI.
SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED NORTHWEST OF A
CEDAR RAPIDS TO DUBUQUE LINE...WITH 2 TO 4 INCHES OF SNOW EXPECTED
NORTHWEST OF AN OTTUMWA TO ROCK ISLAND TO DIXON LINE. LIGHTER SNOW
AMOUNTS BETWEEN 1 TO 2 INCHES WILL FALL SOUTH OF THIS AREA.
INCREASING NORTHWEST WINDS WILL CAUSE BLOWING AND DRIFTING SNOW
WHICH COULD CREATE NEAR BLIZZARD CONDITIONS OVER PORTIONS OF
EASTERN IOWA AND NORTHWEST ILLINOIS THIS EVENING.

IAZ053-054-063>066-076-077-ILZ001-002-007-170000-
/O.CAN.KDVN.IS.W.0001.000000T0000Z-060217T0000Z/
/O.EXA.KDVN.WW.Y.0003.000000T0000Z-060217T0000Z/
JONES-JACKSON-IOWA-JOHNSON-CEDAR-CLINTON-KEOKUK-WASHINGTON-
JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...SIGOURNEY...WASHINGTON...GALENA...
FREEPORT...MOUNT CARROLL
1128 AM CST THU FEB 16 2006

...ICE STORM WARNING IS CANCELLED...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. THE ICE STORM WARNING HAS BEEN CANCELED. 

TWO TO 4 INCHES OF SNOW IS EXPECTED TO FALL ACROSS THE REGION
THROUGH EARLY THIS EVENING. NORTHWEST WINDS WILL INCREASE TO 15 TO
20 MPH...WITH HIGHER GUSTS...CAUSING AREAS OF BLOWING AND DRIFTING
SNOW. BLUSTERY NORTHWEST WINDS MAY CAUSE NEAR BLIZZARD CONDITIONS
OVER PORTIONS OF EASTERN IOWA AND NORTHWEST ILLINOIS THROUGH THIS
EVENING.

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.

$$

IAZ040>042-051-052-170000-
/O.CON.KDVN.WS.W.0002.000000T0000Z-060217T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS
1128 AM CST THU FEB 16 2006

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

ONE TO 3 INCHES OF NEW SNOW IS EXPECTED TO FALL ACROSS THE REGION
THROUGH EARLY EVENING...WITH TOTAL SNOW ACCUMULATIONS RANGING FROM
4 TO 7 INCHES. NORTHWEST WINDS WILL INCREASE TO 15 TO 20 MPH...
WITH HIGHER GUSTS...CAUSING AREAS OF BLOWING AND DRIFTING SNOW.
BLUSTERY NORTHWEST WINDS MAY CAUSE NEAR BLIZZARD CONDITIONS COULD
OVER PORTIONS OF EASTERN IOWA AND NORTHWEST ILLINOIS THROUGH THIS
EVENING.

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.

$$

IAZ067-068-078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-170000-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-060217T0000Z/
MUSCATINE-SCOTT-LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-
LEE-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MUSCATINE...BETTENDORF...DAVENPORT...
WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
KEWANEE...PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...
CARTHAGE...MACOMB...MEMPHIS...KAHOKA
1128 AM CST THU FEB 16 2006

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

A MIXTURE OF RAIN...FREEZING RAIN...AND SNOW WILL FALL ACROSS THE
AREA AND CHANGE TO ALL SNOW BY MID AFTERNOON. AN INCH OR 2 OF NEW SNOW
ACCUMULATION IN EXPECTED. NORTHWEST WINDS WILL INCREASE TO 15 TO
20 MPH...WITH HIGHER GUSTS...CAUSING AREAS OF BLOWING AND DRIFTING
SNOW.

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.

$$

KUHL/LE
000 
WWUS43 KDVN 162206
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
406 PM CST THU FEB 16 2006

...WINTER STORM CONTINUES TO IMPACT AREA THIS TONIGHT...

.A WINTER STORM WILL MOVE INTO LOWER MICHIGAN TONIGHT. THE STORM
WILL BRING LIGHT SNOW TO NORTHEASTERN EASTERN IOWA AND NORTHWEST
ILLINOIS THIS EVENING...WITH LIGHT SNOW AND FLURRIES FARTHER
SOUTHEAST. TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED
ALONG AND NORTHERN OF HIGHWAY 20...WITH 2 TO 4 INCHES OF SNOW
EXPECTED ALONG A CEDAR RAPIDS TO ANAMOSA LINE. LIGHT SNOW AMOUNTS
BETWEEN AROUND 1 INCH WILL FALL SOUTH OF THIS AREA. INCREASING
NORTHWEST WINDS WILL SOME CAUSE BLOWING AND DRIFTING SNOW.
FREEZING DRIZZLE WILL ALSO BE POSSIBLE EARLY THIS EVENING ACROSS
SOUTHEAST IOWA AND NORTHWEST ILLINOIS.

IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-162315-
/O.CAN.KDVN.WW.Y.0003.000000T0000Z-060217T0000Z/
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH...
CARTHAGE...MACOMB...MEMPHIS...KAHOKA
406 PM CST THU FEB 16 2006

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER WEATHER ADVISORY. FREEZING DRIZZLE WILL QUICKLY CHANGE TO
FLURRIES AND LIGHT SNOW THROUGH 6 PM. SNOW ACCUMULATIONS WILL
GENERALLY BE A DUSTING TO LESS THAN AN INCH TONIGHT.

$$

IAZ040>042-051-052-170600-
/O.EXT.KDVN.WS.W.0002.000000T0000Z-060217T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS
406 PM CST THU FEB 16 2006

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

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

ONE TO 2 INCHES OF NEW SNOW IS EXPECTED TO FALL ACROSS THE REGION
THROUGH EARLY EVENING...WITH TOTAL SNOW ACCUMULATIONS RANGING FROM
3 TO 7 INCHES. ALSO...EXPECT NORTHWEST WINDS OF 15 TO 20
MPH...WITH HIGHER GUSTS...CAUSING AREAS OF BLOWING AND DRIFTING
SNOW AND VERY COLD WIND CHILLS BETWEEN ZERO AND 10 BELOW.

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.

$$

IAZ053-054-063>068-076>078-ILZ001-002-007-009-015>018-024-170600-
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-060217T0600Z/
JONES-JACKSON-IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-
WASHINGTON-LOUISA-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
406 PM CST THU FEB 16 2006

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

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

FREEZING DRIZZLE WILL CHANGE TO LIGHT SNOW EARLY THIS
EVENING...WITH GENERALLY AN INCH OF LESS OF ADDITIONAL SNOW
ACCUMULATION. NORTHWEST WINDS WILL INCREASE TO 15 TO 25MPH...WITH
HIGHER GUSTS...BRINGING VERY COLD WIND CHILLS TO THE REGION.

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
000 
WWUS43 KDVN 162242 CCA
WSWDVN

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
439 PM CST THU FEB 16 2006

...WINTER STORM CONTINUES TO IMPACT AREA TONIGHT...

.A WINTER STORM WILL MOVE INTO LOWER MICHIGAN TONIGHT. THE STORM
WILL BRING LIGHT SNOW TO NORTHEASTERN EASTERN IOWA AND NORTHWEST
ILLINOIS THIS EVENING...WITH LIGHT SNOW AND FLURRIES FARTHER
SOUTHEAST. TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED
ALONG AND NORTHERN OF HIGHWAY 20...WITH 2 TO 4 INCHES OF SNOW
EXPECTED ALONG A CEDAR RAPIDS TO ANAMOSA LINE. LIGHT SNOW AMOUNTS
AROUND 1 INCH WILL FALL SOUTH OF THIS AREA. INCREASING NORTHWEST
WINDS WILL SOME CAUSE BLOWING AND DRIFTING SNOW. FREEZING DRIZZLE
WILL ALSO BE POSSIBLE EARLY THIS EVENING ACROSS SOUTHEAST IOWA AND
NORTHWEST ILLINOIS.

IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-162345-
/O.CAN.KDVN.WW.Y.0003.000000T0000Z-060217T0000Z/
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH...
CARTHAGE...MACOMB...MEMPHIS...KAHOKA
439 PM CST THU FEB 16 2006

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER WEATHER ADVISORY. FREEZING DRIZZLE WILL QUICKLY CHANGE TO
FLURRIES AND LIGHT SNOW THROUGH 6 PM. SNOW ACCUMULATIONS WILL
GENERALLY BE A DUSTING TO LESS THAN AN INCH TONIGHT.

$$

IAZ040>042-051-052-170600-
/O.EXT.KDVN.WS.W.0002.000000T0000Z-060217T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS
439 PM CST THU FEB 16 2006

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

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

ONE TO 2 INCHES OF NEW SNOW IS EXPECTED TO FALL ACROSS THE REGION
THROUGH EARLY EVENING...WITH TOTAL SNOW ACCUMULATIONS RANGING FROM
3 TO 7 INCHES. ALSO...EXPECT NORTHWEST WINDS OF 15 TO 20
MPH...WITH HIGHER GUSTS...CAUSING AREAS OF BLOWING AND DRIFTING
SNOW AND VERY COLD WIND CHILLS BETWEEN ZERO AND 10 BELOW.

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.

$$

IAZ053-054-063>068-076>078-ILZ001-002-007-009-015>018-024-170600-
/O.COR.KDVN.WW.Y.0003.000000T0000Z-060217T0600Z/
JONES-JACKSON-IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-
WASHINGTON-LOUISA-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
439 PM CST THU FEB 16 2006

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

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

FREEZING DRIZZLE WILL CHANGE TO LIGHT SNOW EARLY THIS
EVENING...WITH GENERALLY AN INCH OR LESS OF ADDITIONAL SNOW
ACCUMULATION. NORTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH...WITH
HIGHER GUSTS...BRINGING VERY COLD WIND CHILLS TO THE REGION.

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
000 
WWUS43 KDVN 162352
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
552 PM CST THU FEB 16 2006

...WINTER STORMS IS RAPIDLY DIMINISHING...

..A WINTER STORM IMPACTED THE ARE LAST NIGHT THROUGH THIS AFTERNOON
WITH A COMBINATION OF HEAVY SNOW...SLEET AND FREEZING RAIN. THE
SNOW WILL CONTINUE EARLY THIS EVENING ACROSS NORTHEAST IOWA...AND
NORTHWEST ILLINOIS...WITH AN INCH OR LESS OF ACCUMULATION...AND
SOME BLOWING AND DRIFTING SNOW. NO SIGNIFICANT ACCUMULATION IS
EXPECTED FARTHER SOUTH.


IAZ040>042-051-052-170100-
/O.CAN.KDVN.WS.W.0002.000000T0000Z-060217T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS
552 PM CST THU FEB 16 2006

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER STORM WARNING. LIGHT SNOW...AND SOME BLOWING A DRIFTING
SNOW WILL CONTINUE THIS EVENING...WITH AN INCH OR LESS ADDITIONAL
ACCUMULATION. WIND CHILLS OF ZERO TO 10 BELOW CAN ALSO BE EXPECTED.

$$

IAZ053-054-063>068-076>078-ILZ001-002-007-009-015>018-024-170100-
/O.CAN.KDVN.WW.Y.0003.000000T0000Z-060217T0600Z/
JONES-JACKSON-IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-
WASHINGTON-LOUISA-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
552 PM CST THU FEB 16 2006

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER WEATHER ADVISORY. LIGHT SNOW AND FLURRIES WILL BE POSSIBLE
ACROSS THE AREA THE REST OF TONIGHT...WITH A DUSTING OF
ACCUMULATION POSSIBLE.  

$$

ERVIN
000 
WWUS43 KDVN 151614
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1014 AM CST WED MAR 15 2006

...POTENTIAL WINTER STORM LATE TONIGHT AND THURSDAY...

.A STORM SYSTEM DEVELOPING OVER THE CENTRAL ROCKIES WILL TRACK
EAST ALONG THE SOUTHERN IOWA BORDER LATE TONIGHT THROUGH EARLY
THURSDAY. SNOW IS EXPECTED TO 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 NORTH OF
INTERSTATE 80. AT THIS TIME...THERE IS THE POTENTIAL FOR HEAVY
SNOW ACCUMULATIONS ALONG THE HIGHWAY 20 CORRIDOR IN EAST CENTRAL
IOWA AND FAR NORTHWEST ILLINOIS. A WINTER STORM WATCH HAS BEEN
ISSUED FOR THIS AREA FOR LATE TONIGHT THROUGH THURSDAY AFTERNOON.

IAZ040>042-054-ILZ001-002-007-160015-
/O.CON.KDVN.WS.A.0002.060316T0600Z-060316T2200Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
1014 AM CST WED MAR 15 2006

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON. 

SNOW WILL DEVELOP LATE TONIGHT AND CONTINUE THROUGH THURSDAY
AFTERNOON. SNOW MAY BE HEAVY AT TIMES...ESPECIALLY EARLY THURSDAY
MORNING. THERE IS THE POTENTIAL FOR TOTAL SNOW ACCUMULATIONS OF
6 INCHES OR GREATER IN THIS AREA. THIS WINTER STORM SYSTEM IS
STILL IN THE EARLY STAGES OF DEVELOPMENT AND THERE EXISTS A
CERTAIN DEGREE OF UNCERTAINTY IN THE EXPECTED TRACK OF THE STORM.
FURTHER ADJUSTMENTS TO SNOW AMOUNTS AND AREAS MOST IMPACTED WILL
BE MADE IN LATER FORECASTS AND POSSIBLE WINTER STORM WARNINGS.

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.

$$


ERVIN/BARDOU
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

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 Feb 15, 6:03 AM CST, 9 hours 34 minutes earlier.

Area forecast discussion, Feb 15, 6:03 AM CST, 9 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
603 AM CST WED FEB 15 2006

.DISCUSSION...
WINTER STORM WITH POTENTIAL FOR SIGNIFICANT ICE AND SNOW
ACCUMULATIONS TONIGHT AND THURSDAY IS MAIN ISSUE. WINTER STORM WATCH
ISSUED TUESDAY AFTERNOON REMAINS ESSENTIALLY UNCHANGED WITH SOME
ADJUSTMENTS TO TIMING...PRECIPITATION TYPE...AND STORM TOTALS MADE
WITH MORNING PACKAGE.

COLD FRONT THAT SETTLED SOUTH ACROSS CWFA OVERNIGHT EXTENDED FROM
1003 MB SURFACE LOW OVER WESTERN OK NORTHEAST TO NEAR SOUTH BEND AT
11Z. AT UPPER LEVELS...SHORTWAVE WAS SEEN ON WATER VAPOR IMAGERY
MOVING INTO SW KS WITH LARGE LEAF CLOUD EXTENDING NORTHEAST INTO
WESTERN GREAT LAKES. THIS INITIAL WEAKENING SURFACE LOW RIPPLING
ALONG THE NEARLY STATIONARY BOUNDARY TO OUR SOUTH SHOWN BY LATEST
MODELS TO PRODUCE A QUICK SHOT OF ISENTROPIC LIFT THIS EVENING OVER
MAINLY THE EASTERN 2/3RDS OF CWFA. GFS QPF LOOKS WAY OVERDONE AND
THIS APPEARS LINKED TO ITS OVERESTIMATION OF LOW LEVEL MOISTURE
RETURN FROM THE GULF. LIGHT QPF SHOWN OVER EASTERN TX AT 12Z HAS YET
TO DEVELOP WITH STRATUS HAVING FORMED THERE ONLY OVER THE PAST
COUPLE HOURS. WITH THIS IN MIND...FAVOR NAM DEPICTION OF THIS LEAD
WAVE...WITH QUICK SHOT OF LIGHT QPF THIS EVENING OVER MAINLY THE
EAST HALF WITH THE MID LEVEL QG FORCING AND ISENTROPIC LIFT. TOP
DOWN APPROACH FOLLOWING FORECAST SOUNDINGS SUPPORTS MIXED
PRECIPITATION ACROSS MOST OF CWFA DURING EVENING...WHILE LOW LEVELS
REMAINING ABOVE FREEZING IN FAR SOUTH WILL KEEP IT MAINLY RAIN. LEFT
SNOW IN ACROSS THE NORTH...BUT IF NAM PROFILE
VERIFIES...TEMPERATURES NOT FAVORABLE FOR CRYSTAL FORMATION THERE.
OVERALL...DRY LOW LEVEL AIRMASS AND BRISK NE WINDS WILL LIMIT
ACCUMULATION POTENTIAL WITH THIS LEAD WAVE. ONCE THIS INITIAL LIFT
HAS PASSED AFTER MIDNIGHT...DEEP SATURATED LAYER CAPPED BY DRY MID
LEVELS LOOKED FAVORABLE FOR WIDESPREAD LIGHT FREEZING DRIZZLE
CENTRAL AND NORTH UNTIL STRONGER LIFT RESUMES THU MORNING.

MAIN PRECIPITATION EVENT COMMENCES THURSDAY MORNING AS MUCH STRONGER
CIRCULATION CURRENTLY PUSHING INTO INTERMOUNTAIN WEST INTENSIFIES
LOW PRESSURE ALONG THE BAROCLINIC BOUNDARY. 00Z AND 06Z FORECAST
MODELS...EXCEPT FOR NGM WHICH WAS SHOWING TYPICAL NORTHERN
BIAS...HAVE SETTLED ON SOLUTION SIMILAR TO CONSISTENT GFS AND ECMWF
RUNS WITH SURFACE LOW PASSING THROUGH CENTRAL IL ON THURSDAY.
THOUGHTS FROM 00Z UPPER ANALYSIS INDICATING IMPRESSIVE SYSTEM
DEVELOPING BASED ON THERMAL FIELDS AND DYNAMIC FORCING. PRETTY MUCH
FOLLOWED HPC THINKING WITH HEAVIEST SNOWFALL AXIS JUST NORTH OF
FORECAST AREA AND TONED DOWN TOTALS A TOUCH TO 6 TO 8 INCHES ALONG
HIGHWAY 20 ON THURSDAY. SIGNIFICANT THREAT OF QUARTER INCH OR MORE
OF ICE ACCUMULATION FROM FAVORABLE FREEZING RAIN PROFILE EXISTS IN
THU MORNING FROM SE IA TO W CENTRAL IL BEFORE CHANGE OVER TO SNOW
TAKES PLACE IN AFTERNOON. COLLABORATED FORECAST THIS MORNING KEPT
INITIAL
WINTER STORM WATCH COVERAGE INTACT...BUT SOME SOUTHWARD TWEAKS TO
COVER NEAR HIGHLIGHT ICE ACCUMULATIONS MAY BE NEEDED IN LATER
FORECASTS.

WITH LATEST MODELS MORE PROGRESSIVE AND MAIN LOW LIKELY IN SE LOWER
MI BY 00Z FRI...MADE SOME ADJUSTMENTS TO END SNOW QUICKER THU NIGHT.
ALSO ADDED BLOWING SNOW TO NORTH AS STRONG PRESSURE GRADIENT SHOULD
REDUCE VISIBILITIES. BEYOND...COLDEST AIRMASS SINCE EARLY DECEMBER
LOOKS TO DESCEND INTO AREA AS 850 MB -30 DEG C AIRMASS OVER CENTRAL
CANADA ADVECTS SOUTH BUT UNDERGOES CONSIDERABLE MODIFICATION. STILL
LOOKS LIKE SUBZERO OVERNIGHT LOWS FOR SUNDAY. NO CHANGES TO EXTENDED
AT THIS TIME.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WINTER STORM WATCH FROM MIDNIGHT TONIGHT THROUGH MIDNIGHT
THURSDAY NIGHT FOR PORTIONS OF NORTHEAST AND EAST CENTRAL IOWA
GENERALLY ALONG AND NORTH OF A LINE FROM WILLIAMSBURG...TO CLINTON.
IL...WINTER STORM WATCH FROM MIDNIGHT TONIGHT THROUGH MIDNIGHT
THURSDAY NIGHT FOR JO DAVIESS...FREEPORT AND CARROLL COUNTIES.
MO...NONE.

&&

DLS
Hazardous weather outlook, Feb 15, 5:21 AM CST, 10 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
521 AM CST WED FEB 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 FEB 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 WINTER STORM WILL OVERSPREAD THE AREA TONIGHT AND A WINTER STORM
WATCH IS IN EFFECT FOR MUCH OF THE NORTHERN HALF OF THE OUTLOOK
AREA FOR TONIGHT INTO THURSDAY EVENING.

MIXED PRECIPITATION IN THE FORM OF FREEZING RAIN...SLEET AND LIGHT
SNOW IS EXPECTED THIS EVENING. SNOW ACCUMULATIONS OF LESS THAN ONE
INCH...ALONG WITH LIGHT ICE ACCUMULATIONS ARE EXPECTED NORTH OF
HIGHWAY 30. FROM THERE SOUTH TO HIGHWAY 34...MIXED FREEZING RAIN
AND SLEET MAY FORM A THIN COATING OF ICE IN THE EVENING...BEFORE
CHANGING OVER TO INTERMITTENT LIGHT FREEZING DRIZZLE OVERNIGHT. IN
THE FAR SOUTH...PRECIPITATION WILL BE MAINLY IN THE FORM OF LIGHT
RAIN OR DRIZZLE AND NO ICE IS EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE CENTER OF A WINTER STORM WILL PASS SOUTH DURING THE
DAY...RESULTING IN WINTRY MIX ACROSS THE OUTLOOK AREA. SNOW
ACCUMULATIONS BY THURSDAY EVENING ARE EXPECTED TO TOTAL 6 TO 8
INCHES NORTHWEST OF A LINE FROM WILLIAMSBURG IOWA TO FREEPORT
ILLINOIS. AS WINDS PICK DURING THE AFTERNOON...THERE WILL BE
BLOWING AND DRIFTING SNOW RESULTING IN POOR VISIBILITY.

SOUTH OF THIS AXIS...CONSIDERABLE FREEZING RAIN AND SLEET IS
EXPECTED THURSDAY MORNING...CHANGING OVER TO SNOW IN THE
AFTERNOON. ICE ACCUMULATIONS OF A QUARTER OR MORE WILL BE
POSSIBLE...ROUGHLY BETWEEN HIGHWAYS 34 AND 30 IN THE MORNING. THIS
WILL BE FOLLOWED BY AFTERNOON SNOW ACCUMULATIONS FROM 1 TO 2
INCHES.

BITTER COLD TEMPERATURES WILL FOLLOW OVER THE WEEKEND...WITH
OVERNIGHT LOWS IN THE SINGLE DIGITS BELOW ZERO NORTH OF INTERSTATE
80.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF ICE AND SNOW ACCUMULATIONS BY SPOTTERS WOULD BE
APPRECIATED TONIGHT AND THURSDAY.

SHEETS

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 3:37 PM CSTWinter Weather AdvisoryDVNCedar, Clinton, Des Moines, Henry, Iowa, Jackson and 10 more26 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.