Alert archive / Iowa / Winter Storm Warnings in 2008

Winter Storm Warning 5, NWS Quad Cities, IA

March 20, 20084 counties in Iowa; Carroll County, Jo Daviess County, Stephenson County, Illinois

NWS Quad Cities, IA issued this winter storm warning at Mar 20, 2008, 4:03 AM CDT for 4 counties in Iowa; Carroll County, Jo Daviess County, Stephenson County, Illinois. It took effect at Mar 21, 2008, 1:00 AM CDT. It was in force for 9 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 20, 2008, 4:03 AM CDT (09:03 UTC)
In effect from
Mar 21, 2008, 1:00 AM CDT
Expired
Mar 21, 2008, 9:49 AM CDT
In force
9 hr
Issued by
NWS Quad Cities, IA

Counties Buchanan County, IA, Delaware County, IA, Dubuque County, IA, Jackson County, IA, Carroll County, IL, Jo Daviess County, IL, Stephenson County, IL

The radar

The Quad Cities radar (KDVN), 81 km from the middle of the area, began a volume at 09:03 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.

What was reported inside it

TimeReportWhereRemark
Mar 21, 7:38 AM CDTSNOW 1German Valley, ILMELTED EQUIVALENT 0.13 INCHES - ROADS ARE ICY
Mar 21, 9:29 AM CDTSNOW 1Freeport, IL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 9.1 hours before the alert went out and 81 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 00:00Z on 2008-03-20Temperature 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 00:00Z on 2008-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.19395878Sfc1 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
1423 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
8 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 200903
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
403 AM CDT THU MAR 20 2008

...SIGNIFICANT SNOW AND ICE EVENT LATE TONIGHT AND FRIDAY...

.A STRONG...BUT FAST MOVING STORM WILL IMPACT THE REGION TONIGHT
THROUGH FRIDAY. RAIN WILL CHANGE TO SNOW BY MIDNIGHT TONIGHT
GENERALLY ALONG AND NORTH OF HIGHWAY 20 IN IOWA AND ILLINOIS.
AFTER MIDNIGHT...HEAVY SNOW ACCUMULATIONS WILL BE LIKELY...ALONG
WITH SCATTERED THUNDER OCCURRING WITH THE HEAVY SNOW. TOTAL
SNOWFALL AMOUNTS OF 5 TO 10 INCHES ARE EXPECTED IN THE WARNED AREA
WITH LOCALLY HIGHER AMOUNTS POSSIBLE WITH EXTENDED THUNDER-SNOW
BY FRIDAY EVENING IN NORTHEAST IOWA AND NORTHWEST ILLINOIS.

IAZ040>042-054-ILZ001-002-007-201715-
/O.UPG.KDVN.WS.A.0005.080321T0600Z-080322T0000Z/
/O.NEW.KDVN.WS.W.0005.080321T0600Z-080322T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
403 AM CDT THU MAR 20 2008

...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 7 PM CDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 1 AM TO 7 PM CDT FRIDAY.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW...POSSIBLY MIXED WITH SLEET INITIALLY...WILL DEVELOP LATE
TONIGHT AND CONTINUE FRIDAY. THE SNOW MAY BE HEAVY AT 
TIMES...PRODUCING LOW VISIBILITIES AND ACCUMULATIONS OF 5 TO 10
INCHES...WITH ISOLATED HIGHER AMOUNTS POSSIBLE. THUNDER-SNOW IS
POSSIBLE AT TIMES LATE TONIGHT AND INTO FRIDAY MORNING WITH RAPID
SNOW ACCUMULATIONS OF 1 TO 2 INCHES AN HOUR. TEMPERATURES WILL FALL
BELOW FREEZING ALLOWING FOR ROADWAYS TO BECOME SNOW AND ICE COVERED.

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.

$$

IAZ051>053-065-066-ILZ009-201715-
/O.NEW.KDVN.WS.A.0006.080321T0600Z-080322T0000Z/
BENTON-LINN-JONES-CEDAR-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...VINTON...CEDAR RAPIDS...ANAMOSA...
TIPTON...CLINTON...STERLING...ROCK FALLS
403 AM CDT THU MAR 20 2008

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING. 

A COMBINATION OF SNOW...SLEET AND SOME FREEZING RAIN...POSSIBLY HEAVY
AT TIMES...CAN BE EXPECTED LATE TONIGHT AND FRIDAY. THE THREAT
AREA IS MAINLY ALONG HIGHWAY 30 IN IOWA AND ILLINOIS. PERIODS OF
THUNDER-SNOW AND THUNDER-SLEET ARE ALSO POSSIBLE. SNOW AND SLEET
AMOUNTS OF 1 TO 4 INCHES IS POSSIBLE WITH ICE ACCUMULATIONS LESS
THAN A QUARTER OF AN INCH. 

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET ...AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY
IMPACT TRAVEL.  MONITOR LATER FORECASTS FOR UPDATES.

$$

NICHOLS/HAASE
6 follow-up statements
000 
WWUS43 KDVN 201542
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1042 AM CDT THU MAR 20 2008

...SIGNIFICANT WINTER STORM LATE TONIGHT AND FRIDAY...

.A STRONG...BUT FAST MOVING STORM WILL IMPACT THE REGION TONIGHT
THROUGH FRIDAY. RAIN WILL CHANGE TO SNOW BY MIDNIGHT TONIGHT
GENERALLY ALONG AND NORTH OF HIGHWAY 20 IN IOWA AND ILLINOIS.
AFTER MIDNIGHT...HEAVY SNOW ACCUMULATIONS WILL BE LIKELY...ALONG
WITH SCATTERED THUNDER OCCURRING WITH THE HEAVY SNOW. TOTAL
SNOWFALL AMOUNTS OF 5 TO 10 INCHES ARE EXPECTED IN THE WARNED
AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WITH EXTENDED THUNDER-
SNOW BY FRIDAY EVENING IN NORTHEAST IOWA AND NORTHWEST ILLINOIS.

IAZ040>042-054-ILZ001-002-007-202345-
/O.CON.KDVN.WS.W.0005.080321T0600Z-080322T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
1042 AM CDT THU MAR 20 2008

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY. 

SNOW...POSSIBLY MIXED WITH SLEET INITIALLY...WILL DEVELOP LATE
TONIGHT AND CONTINUE FRIDAY. THE SNOW MAY BE HEAVY AT TIMES...
PRODUCING LOW VISIBILITIES AND ACCUMULATIONS OF 5 TO 10 INCHES...
WITH ISOLATED HIGHER AMOUNTS POSSIBLE. THUNDER-SNOW IS POSSIBLE
AT TIMES LATE TONIGHT AND INTO FRIDAY MORNING WITH RAPID SNOW
ACCUMULATIONS OF 1 TO 2 INCHES AN HOUR. TEMPERATURES WILL FALL
TO FREEZING ALLOWING FOR ROADWAYS TO BECOME SNOW AND ICE COVERED.

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.

$$

IAZ051>053-065-066-ILZ009-202345-
/O.CON.KDVN.WS.A.0006.080321T0600Z-080322T0000Z/
BENTON-LINN-JONES-CEDAR-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...VINTON...CEDAR RAPIDS...ANAMOSA...
TIPTON...CLINTON...STERLING...ROCK FALLS
1042 AM CDT THU MAR 20 2008

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY EVENING. 

A COMBINATION OF SNOW AND SLEET...POSSIBLY HEAVY AT TIMES...CAN
BE EXPECTED LATE TONIGHT AND FRIDAY. THE THREAT AREA IS MAINLY
ALONG HIGHWAY 30 IN IOWA AND ILLINOIS. PERIODS OF THUNDER-SNOW AND
THUNDER-SLEET ARE ALSO POSSIBLE. SNOW AND SLEET AMOUNTS OF 1 TO 4
INCHES IS POSSIBLE.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET ...AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY
IMPACT TRAVEL.  MONITOR LATER FORECASTS FOR UPDATES.

$$
000 
WWUS43 KDVN 201751
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1251 PM CDT THU MAR 20 2008

...SIGNIFICANT WINTER STORM LATE TONIGHT AND FRIDAY...

.A STRONG...BUT FAST MOVING STORM WILL IMPACT THE REGION TONIGHT
THROUGH FRIDAY. RAIN WILL CHANGE TO SNOW BY MIDNIGHT TONIGHT
GENERALLY ALONG AND NORTH OF HIGHWAY 20 IN IOWA AND ILLINOIS.
AFTER MIDNIGHT...HEAVY SNOW ACCUMULATIONS WILL BE LIKELY...ALONG
WITH SCATTERED THUNDER OCCURRING WITH THE HEAVY SNOW. TOTAL
SNOWFALL AMOUNTS OF 4 TO 8 INCHES ARE EXPECTED IN THE WARNED AREA
WITH LOCALLY HIGHER AMOUNTS POSSIBLE WITH EXTENDED THUNDER-SNOW
BY FRIDAY EVENING IN NORTHEAST IOWA AND NORTHWEST ILLINOIS.

IAZ051-065-201900-
/O.CAN.KDVN.WS.A.0006.080321T0600Z-080322T0000Z/
BENTON-CEDAR-
INCLUDING THE CITIES OF...VINTON...TIPTON
1251 PM CDT THU MAR 20 2008

...WINTER STORM WATCH IS CANCELLED...

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

SNOW AND SLEET WILL BE POSSIBLE LATE TONIGHT THROUGH FRIDAY.
ACCUMULATIONS OF SNOW AND SLEET SHOULD REMAIN WELL BELOW 3
INCHES...WITH MOST SPOTS SEEING AND INCH OR LESS THROUGH FRIDAY
AFTERNOON.

$$

IAZ040>042-054-ILZ001-002-007-210300-
/O.CON.KDVN.WS.W.0005.080321T0600Z-080322T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
1251 PM CDT THU MAR 20 2008

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY. 

SNOW...POSSIBLY MIXED WITH SLEET AND RAIN INITIALLY...WILL DEVELOP
LATE TONIGHT AND CONTINUE FRIDAY. THE SNOW MAY BE HEAVY AT
TIMES... PRODUCING LOW VISIBILITIES AND ACCUMULATIONS OF 4 TO 8
INCHES... WITH ISOLATED HIGHER AMOUNTS POSSIBLE. THUNDER-SNOW IS
POSSIBLE AT TIMES LATE TONIGHT AND INTO FRIDAY MORNING WITH RAPID
SNOW ACCUMULATIONS OF 1 TO 2 INCHES AN HOUR. TEMPERATURES WILL
FALL TO AROUND FREEZING ALLOWING FOR ROADWAYS TO BECOME SNOW AND
ICE COVERED.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW
FALLING AT INTENSE RATES OF 1-2 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.

$$

IAZ052-053-066-ILZ009-210300-
/O.UPG.KDVN.WS.A.0006.080321T0600Z-080322T0000Z/
/O.NEW.KDVN.WW.Y.0008.080321T0600Z-080322T0000Z/
LINN-JONES-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...CEDAR RAPIDS...ANAMOSA...CLINTON...
STERLING...ROCK FALLS
1251 PM CDT THU MAR 20 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A COMBINATION OF SNOW...SLEET AND RAIN IS EXPECTED LATE TONIGHT AND
FRIDAY. THE THREAT AREA IS MAINLY NORTH OF A LINE FROM CENTRAL
CITY...TO ANAMOSA...TO CLINTON IOWA...THROUGH STERLING ILLINOIS.
PERIODS OF THUNDER-SNOW AND THUNDER-SLEET ARE ALSO POSSIBLE. SNOW
AND SLEET AMOUNTS OF 2 TO 5 INCHES IS POSSIBLE IN NORTHERN
SECTIONS OF THE ADVISORY COUNTIES...WHILE ONLY 1 TO 3 INCHES IS
EXPECTED IN SOUTHERN SECTIONS OF THESE COUNTIES. THE CITIES OF CEDAR
RAPIDS AND CLINTON IOWA MAY EXPERIENCE ONLY LIGHT AMOUNTS OF SNOW
AND SLEET.

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
000 
WWUS43 KDVN 210255
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
955 PM CDT THU MAR 20 2008

...SIGNIFICANT WINTER STORM LATE TONIGHT AND FRIDAY...

.A STRONG...FAST MOVING EARLY SPRING STORM WILL IMPACT THE REGION
TONIGHT THROUGH FRIDAY. RAIN SHOWERS WILL DEVELOP AFTER
MIDNIGHT...CHANGING TO SNOW BY BY FRIDAY MORNING GENERALLY ALONG
AND NORTH OF HIGHWAY 20 IN IOWA AND ILLINOIS. PERIODS OF HEAVY WET
SNOW WILL BE POSSIBLE TOWARD SUNRISE WITH ISOLATED THUNDERSTORMS
RESULTING IN HEAVY SNOWFALL RATES AND SLEET. TOTAL SNOWFALL
AMOUNTS OF 4 TO 8 INCHES ARE EXPECTED IN THE WARNED AREA BY FRIDAY
EVENING IN NORTHEAST IOWA AND NORTHWEST ILLINOIS.

IAZ040>042-054-ILZ001-002-007-211100-
/O.CON.KDVN.WS.W.0005.080321T0600Z-080322T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
955 PM CDT THU MAR 20 2008

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY. 

RAIN WILL DEVELOP AFTER MIDNIGHT...THEN CHANGE TO SNOW BY MORNING. 
THE PRECIPITATION MAY BE MIXED WITH SLEET AT TIMES. SNOW WILL
CONTINUE FRIDAY AND MAY BE HEAVY AT TIMES...PRODUCING LOW
VISIBILITIES AND ACCUMULATIONS OF 4 TO 8 INCHES BY FRIDAY
EVENING. THERE IS THE POTENTIAL FOR THUNDER ACCOMPANYING THE SNOW
LATE TONIGHT INTO FRIDAY MORNING...WHICH WOULD WOULD PRODUCE
HEAVY SNOWFALL RATES WITH ACCUMULATIONS UP TO 1 TO 2 INCHES PER
HOUR. TEMPERATURES WILL FALL TO AROUND FREEZING CAUSING 
ROADWAYS TO BECOME SNOW AND ICE COVERED.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY...SLEET...AND/OR FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL DANGEROUS OR
IMPOSSIBLE.ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ052-053-066-ILZ009-211100-
/O.CON.KDVN.WW.Y.0008.080321T0600Z-080322T0000Z/
LINN-JONES-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...CEDAR RAPIDS...ANAMOSA...CLINTON...
STERLING...ROCK FALLS
955 PM CDT THU MAR 20 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM
CDT FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
FRIDAY. 

A COMBINATION OF SNOW...SLEET AND RAIN WILL DEVELOP AFTER MIDNIGHT
AND CONTINUE THROUGH FRIDAY AFTERNOON. THE THREAT AREA IS MAINLY NORTH OF
A LINE FROM CENTRAL CITY...THROUGH ANAMOSA AND LINTON...TO
STERLING ILLINOIS. THERE IS THE POTENTIAL FOR ISOLATED
THUNDERSTORMS...WHICH MAY PRODUCE PERIODS OF HEAVY SNOW AND SLEET
LATE TONIGHT AND EARLY FRIDAY. SNOW AND SLEET ACCUMULATIONS OF 2
TO 5 INCHES ARE POSSIBLE ACROSS NORTHERN SECTIONS OF THE ADVISORY
COUNTIES. SNOW AND SLEET AMOUNTS TO THE SOUTH ARE EXPECTED TO BE
IN THE RANGE OF 1 TO 3 INCHES. THE CITIES OF CEDAR RAPIDS AND
CLINTON IOWA MAY EXPERIENCE ONLY LIGHT AMOUNTS OF SNOW AND SLEET.

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.

$$

DLS
000 
WWUS43 KDVN 210843
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
343 AM CDT FRI MAR 21 2008

...SIGNIFICANT WINTER STORM LATE TONIGHT AND FRIDAY...

.A STRONG...FAST MOVING EARLY SPRING STORM WILL IMPACT THE REGION
TODAY. SNOW OVER NORTHWEST ILLINOIS WILL INTENSIFY THIS MORNING.
FURTHER WEST AND SOUTH...LIGHT RAIN EARLY THIS MORNING WILL
CHANGE TO ALL SNOW. BY EARLY THIS EVENING...TOTAL SNOWFALL AMOUNTS
OF 4 TO 8 INCHES ARE EXPECTED IN THE WARNED AREA. ISOLATED HIGHER
AMOUNTS MAY BE POSSIBLE IN NORTHWEST ILLINOIS. SNOWFALL AMOUNTS
WILL TAPER OFF RAPIDLY TO THE WEST AND SOUTH.

IAZ040-041-211645-
/O.CAN.KDVN.WS.W.0005.000000T0000Z-080322T0000Z/
/O.EXA.KDVN.WW.Y.0008.000000T0000Z-080322T0000Z/
BUCHANAN-DELAWARE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER
343 AM CDT FRI MAR 21 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

LIGHT RAIN WILL MIX WITH SLEET EARLY THIS MORNING...THEN CHANGE
TO ALL SNOW. THE SNOW WILL CONTINUE FOR THE REST OF THE DAY. BY
EARLY THIS EVENING...AMOUNTS ARE EXPECTED TO RANGE FROM 3 TO 5
INCHES NORTH OF HIGHWAY 20 TO 2 TO 4 INCHES TO THE SOUTH.

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.

$$

IAZ042-054-ILZ001-002-007-211645-
/O.CON.KDVN.WS.W.0005.000000T0000Z-080322T0000Z/
DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...DUBUQUE...MAQUOKETA...GALENA...
FREEPORT...MOUNT CARROLL
343 AM CDT FRI MAR 21 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

RAIN...OR A MIX OF RAIN AND SNOW...WILL CHANGE TO ALL SNOW EARLY
THIS MORNING. THE SNOW MAY BE HEAVY AT TIMES AND COULD BE
ACCOMPANIED BY SOME THUNDER LATE THIS MORNING AND EARLY THIS
AFTERNOON. SNOWFALL AMOUNTS OF 4 TO 8 INCHES ARE POSSIBLE.
ISOLATED HEAVIER AMOUNTS MAY OCCUR IN NORTHWEST ILLINOIS.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW...
COMBINED WITH STRONG WINDS AND POSSIBLY...SLEET...AND/OR FREEZING
RAIN IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL DANGEROUS OR
IMPOSSIBLE.ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ052-053-066-ILZ009-211645-
/O.CON.KDVN.WW.Y.0008.000000T0000Z-080322T0000Z/
LINN-JONES-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...CEDAR RAPIDS...ANAMOSA...CLINTON...
STERLING...ROCK FALLS
343 AM CDT FRI MAR 21 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

LIGHT RAIN WILL CHANGE TO SNOW BY MID MORNING...WITH SNOW
CONTINUING THROUGH THE AFTERNOON THEN TAPERING OFF TO FLURRIES
EARLY THIS EVENING.  THERE WILL BE A SHARP GRADIENT OF SNOW 
ACCUMULATIONS. THE NORTHERN SECTIONS OF THE COUNTIES IN THE ADVISORY
COULD SEE 2 TO 4 INCHES OF SNOW BY EARLY THIS EVENING...WHILE THE
SOUTHERN SECTIONS MAY ONLY SEE AN INCH OR LESS.

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.

$$

12/DLF
000 
WWUS43 KDVN 210846 CCA
WSWDVN

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
345 AM CDT FRI MAR 21 2008

...WINTER STORM MOVING IN TODAY...

.A STRONG...FAST MOVING EARLY SPRING STORM WILL IMPACT THE REGION
TODAY. SNOW OVER NORTHWEST ILLINOIS WILL INTENSIFY THIS MORNING.
FURTHER WEST AND SOUTH...LIGHT RAIN EARLY THIS MORNING WILL
CHANGE TO ALL SNOW. BY EARLY THIS EVENING...TOTAL SNOWFALL AMOUNTS
OF 4 TO 8 INCHES ARE EXPECTED IN THE WARNED AREA. ISOLATED HIGHER
AMOUNTS MAY BE POSSIBLE IN NORTHWEST ILLINOIS. SNOWFALL AMOUNTS
WILL TAPER OFF RAPIDLY TO THE WEST AND SOUTH.

IAZ040-041-211700-
/O.CAN.KDVN.WS.W.0005.000000T0000Z-080322T0000Z/
/O.EXA.KDVN.WW.Y.0008.000000T0000Z-080322T0000Z/
BUCHANAN-DELAWARE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER
345 AM CDT FRI MAR 21 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

LIGHT RAIN WILL MIX WITH SLEET EARLY THIS MORNING...THEN CHANGE
TO ALL SNOW. THE SNOW WILL CONTINUE FOR THE REST OF THE DAY. BY
EARLY THIS EVENING...AMOUNTS ARE EXPECTED TO RANGE FROM 3 TO 5
INCHES NORTH OF HIGHWAY 20 TO 2 TO 4 INCHES TO THE SOUTH.

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.

$$

IAZ042-054-ILZ001-002-007-211700-
/O.CON.KDVN.WS.W.0005.000000T0000Z-080322T0000Z/
DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...DUBUQUE...MAQUOKETA...GALENA...
FREEPORT...MOUNT CARROLL
345 AM CDT FRI MAR 21 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

RAIN...OR A MIX OF RAIN AND SNOW...WILL CHANGE TO ALL SNOW EARLY
THIS MORNING. THE SNOW MAY BE HEAVY AT TIMES AND COULD BE
ACCOMPANIED BY SOME THUNDER LATE THIS MORNING AND EARLY THIS
AFTERNOON. SNOWFALL AMOUNTS OF 4 TO 8 INCHES ARE POSSIBLE.
ISOLATED HEAVIER AMOUNTS MAY OCCUR IN NORTHWEST ILLINOIS.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW...
COMBINED WITH STRONG WINDS AND POSSIBLY...SLEET...AND/OR FREEZING
RAIN IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL DANGEROUS OR
IMPOSSIBLE.ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ052-053-066-ILZ009-211700-
/O.CON.KDVN.WW.Y.0008.000000T0000Z-080322T0000Z/
LINN-JONES-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...CEDAR RAPIDS...ANAMOSA...CLINTON...
STERLING...ROCK FALLS
345 AM CDT FRI MAR 21 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

LIGHT RAIN WILL CHANGE TO SNOW BY MID MORNING...WITH SNOW
CONTINUING THROUGH THE AFTERNOON THEN TAPERING OFF TO FLURRIES
EARLY THIS EVENING.  THERE WILL BE A SHARP GRADIENT OF SNOW 
ACCUMULATIONS. THE NORTHERN SECTIONS OF THE COUNTIES IN THE ADVISORY
COULD SEE 2 TO 4 INCHES OF SNOW BY EARLY THIS EVENING...WHILE THE
SOUTHERN SECTIONS MAY ONLY SEE AN INCH OR LESS.

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.

$$

12/DLF
000 
WWUS43 KDVN 211449
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
949 AM CDT FRI MAR 21 2008

...WINTER STORM CONDITIONS NO LONGER EXPECTED...

.A WINTER STORM WILL IMPACT AREAS OF MINNESOTA...WISCONSIN...AND
NORTHEAST ILLINOIS TODAY. ONLY LIGHT AMOUNTS OF SNOW AND SLEET CAN
BE EXPECTED ACROSS NORTHWEST ILLINOIS AND NORTHEAST IOWA. 

IAZ042-054-ILZ001-002-007-211600-
/O.CAN.KDVN.WS.W.0005.000000T0000Z-080322T0000Z/
DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...DUBUQUE...MAQUOKETA...GALENA...
FREEPORT...MOUNT CARROLL
949 AM CDT FRI MAR 21 2008

...WINTER STORM WARNING IS CANCELLED...

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

LIGHT SNOW AND SLEET CAN BE EXPECTED AT TIMES TODAY. HEAVY SNOW
ACCUMULATIONS ARE NOT EXPECTED.

$$

IAZ040-041-052-053-066-ILZ009-211600-
/O.CAN.KDVN.WW.Y.0008.000000T0000Z-080322T0000Z/
BUCHANAN-DELAWARE-LINN-JONES-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...
CEDAR RAPIDS...ANAMOSA...CLINTON...STERLING...ROCK FALLS
949 AM CDT FRI MAR 21 2008

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

CLOUDY AND BREEZY WEATHER CAN BE EXPECTED TODAY...ALONG WITH
PATCHY DRIZZLE OR LIGHT SNOW AND RAIN SHOWERS. NO SNOW
ACCUMULATION IS EXPECTED.

$$


ERVIN

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 20, 3:10 AM CDT, 53 minutes earlier.

Area forecast discussion, Mar 20, 3:10 AM CDT, 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
310 AM CDT THU MAR 20 2008

.SYNOPSIS...
ELEVATED LOBE OF MID CLOUDS MOVING INTO NORTHWEST SECTIONS OF
FORECAST AREA WITH SOME SPRINKLES AND FLURRIES NORTH IN CENTRAL IOWA
ON WESTERN SIDE OF CLOUDS.  TRENDS SUPPORT PRECIPITATION TO DISSIPATE
AS MOVES INTO REGION DUE TO LARGE SCALE SUBSIDENCE. UPSTREAM
ANALYSIS SUPPORT PARTLY CLOUDY SKIES NEXT 12-24 AHEAD OF
DEVELOPING STORM SYSTEM IN HIGH PLAINS.  INITIALIZATION AT 06Z
SUPPORTS SYSTEM AS STRONG OR STRONGER THAN ALL 00Z RUNS WITH HI-RES
ECMWF CLOSEST ON STRENGTH AND LOCATION.  NAM-WRF...AS NORMAL IS
ALMOST USELESS...AGAIN.

&&

.SHORT TERM...TODAY...
BLEND OF PERSISTENCE AND GFS LOW LEVEL THERMAL FIELDS USED FOR MAX
TEMPERATURES IN MID TO UPPER 40S NORTH WITH LOWER TO MID 50S SOUTH
FOR A DECENT GRADIENT.  IF ENOUGH SUNSHINE FAR SW SECTIONS COULD
SEE SOME PLEASANT UPPER 50 HIGHS.  LIGHT WIND ALSO TO MAKE FOR A
COMFORTABLE DAY.       ..NICHOLS..

.LONG TERM...TONIGHT THROUGH WEDNESDAY...
FOCUS THIS PERIOD IS ON EXPECTED HISTORICAL (CLIMATOLOGICALLY
SPEAKING) WINTER STORM TO AFFECT PORTIONS OF OUR CWA TONIGHT AND
FRIDAY. ECMWF MODEL ALL ALONG HAS SHOWN THE POTENTIAL FOR A WINTER
STORM AND NOW NAM/GFS HAVE EVEN SHOWN A SOUTHWARD TREND COMPARED TO
PREVIOUS RUNS. THIS LEADS TO A HIGH CONFIDENCE FORECAST. WATER VAPOR
MOVIE LOOP SHOWS VIGOROUS SYSTEM IN THE PAC NW/NORTHERN ROCKIES
WHICH INDUCES CYCLOGENESIS IN THE CENTRAL PLAINS WHICH THEN MOVES
EASTWARD ACROSS MISSOURI TONIGHT AND FRIDAY. SURFACE WINDS HAVE
TURNED SOUTHERLY IN THE PLAINS WHICH WILL START TO INCREASE MOISTURE
LEVELS. BOTTOM LINE IS WE HAVE SEVERAL FACTORS TO SUPPORT UPGRADING
WATCH TO A WARNING FOR AREAS ROUGHLY NEAR HIGHWAY 20. VERY TIGHT
BAROCLINIC ZONE...STRONG LIFT AND SIGNIFICANT EVIDENCE OF ELEVATED
CONVECTION POTENTIAL TONIGHT INTO FRIDAY. THE LATEST ECMWF MODEL ALSO
INCREASED QPF AMOUNTS. SPECIFIC HUMIDITY LEVELS ALSO INCREASE TO OVER
3-4 G/KG. THIS ALL IMPLIES SNOWFALL AMOUNTS OF 5-10 INCHES WITH
ISOLATED HIGHER AMOUNTS POSSIBLE WITH CONVECTION. IN ADDITION...WINDS
BLOWING AT 20-30 MPH WITH HIGHER GUSTS WILL CREATE VERY LOW
VISIBILITIES. ANY CONVECTION WOULD CAUSE SNOWFALL RATES OF 2+ INCHES
PER HOUR. OF COURSE IN THESE TYPE SITUATIONS THE HEAVY SNOW BAND MAY
BE QUITE NARROW SO THIS WILL HAVE TO BE MONITORED. LATER SHIFTS
SHOULD ASSESS DRIFTING AND BLOWING SNOW POTENTIAL FRIDAY MORNING.

WILL ISSUE A WINTER STORM WATCH FOR COUNTIES JUST SOUTH OF WARNING
AREA FOR A MIX OF ICE...SNOW AND SLEET. CONFIDENCE IS LOWER HERE AS
FAR AS REACHING WARNING CRITERIA...THUS WILL ALERT DAY SHIFT FOR
FURTHER EVALUATION. FARTHER SOUTH JUST RAIN.

DUE TO FOCUSING ON THIS STORM...WE MADE NO CHANGE TO THE GRIDS FOR
THE WEEKEND AND EARLY NEXT WEEK. LATER SHIFTS SHOULD ASSESS RAIN AND
SNOW AMOUNT IMPACTS ON AREA RIVERS SINCE MOST ARE VERY HIGH ALREADY.

HISTORICAL (CLIMATOLOGICALLY) SIGNIFICANCE...DUBUQUE IOWA NEEDS ONLY
4.4 INCHES OF SNOW TO MAKE THIS THE SNOWIEST WINTER SEASON ON RECORD
WHICH RECORDS GO BACK AS FAR AS 1873. CURRENTLY DBQ HAS 71.4 INCHES
OF SNOW THIS SEASON WITH THE RECORD 75.7 INCHES DURING THE 1961-62
SEASON.   ..HAASE/NICHOLS..

&&

.AVIATION...
VFR CONDITIONS INTO MID EVENING WITH SOME SCT/BKN PERIODS MID CLOUDS
OF 8-15,000 FEET AGL.  LIGHT WINDS AND VSBYS AOA 7 MILES TO MAKE FOR
GOOD FLYING CONDITIONS FOR TAKEOFF AND LANDINGS WITH LIMITED BL
TURBULENCE.  AFTER 03Z...OR 9 PM...SKIES TO BECOME CLOUDY WITH AREAS
OF RAIN AT BRL AND MLI AND CID UNTIL 06-09Z WITH INTERMITTENT MVFR
CONDITIONS.  FLYING CONDITIONS TO RAPIDLY DETERIORATE 09Z-12Z WITH
IFR/LIFR IN SNOW/SLEET/RAIN/THUNDER AT CID AND DBQ AND RAIN/THUNDER
AT MLI. AT BRL...PERIODS OF RAIN WITH MVFR CONDITIONS EXPECTED. WINDS
AT CID AND DBQ TO BECOME EAST AND BLUSTERY AT 20 TO 30 MPH AFTER 09Z
ALSO AND 15 TO 25 MPH AT MLI.   ..NICHOLS..

&&

.HYDROLOGY...
MINOR TO MODERATE FLOODING CONTINUES ON MOST TRIBUTARIES WITH FLOOD
WARNINGS IN EFFECT ON 7 FORECAST POINTS.  WATER LEVELS TO REMAIN
HIGH MOST LOCATIONS NEXT SEVERAL DAYS AS WATER CONTINUES TO FLOW
SOUTH FROM SNOW MELT TO THE NORTH.  RIVER LEVELS MAY RISE AGAIN
BY WEEKEND DEPENDING ON AMOUNTS OF RAIN AND SNOW THURSDAY NIGHT AND
FRIDAY WITH ADDITIONAL WARNINGS FOR HIGHER WATER LEVELS MANY POINTS
FOR DAY SHIFT TO EVALUATE.    ..NICHOLS..

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WINTER STORM WARNING FROM 1 AM FRIDAY MORNING THROUGH 7 PM
     FRIDAY EVENING FOR BUCHANAN-DELAWARE-DUBUQUE-JACKSON.
     WINTER STORM WATCH FROM 1 AM FRIDAY MORNING THROUGH 7 PM
     FRIDAY EVENING FOR BENTON-CEDAR-CLINTON-JONES-LINN.

IL...WINTER STORM WARNING FROM 1 AM FRIDAY MORNING THROUGH 7 PM
     FRIDAY EVENING FOR CARROLL-JO DAVIESS-STEPHENSON.
     WINTER STORM WATCH FROM 1 AM FRIDAY MORNING THROUGH 7 PM
     FRIDAY EVENING FOR WHITESIDE.

MO...NONE.

&&

NICHOLS/HAASE
Hazardous weather outlook, Mar 19, 2:52 PM CDT, 13 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
252 PM CDT WED MAR 19 2008

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-200900-
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-
252 PM CDT WED MAR 19 2008

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

MINOR TO MODERATE FLOODING CONTINUES ON MANY TRIBUTARY RIVERS IN
EASTERN IOWA...NORTHWEST ILLINOIS AND EXTREME NORTHEAST MISSOURI.
SEVERAL RIVER FLOOD WARNINGS ARE IN EFFECT FOR MINOR TO MODERATE
FLOODING. MORE DETAILED INFORMATION CAN BE FOUND IN THE LATEST FLOOD
STATEMENT PRODUCTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A STORM SYSTEM WILL MOVE THROUGH THE REGION THURSDAY NIGHT AND
FRIDAY. A WINTER STORM WATCH IS IN EFFECT FOR LOCATIONS ALONG AND
NORTH OF HIGHWAY 20 IN IOWA...AS WELL AS AREAS NORTH OF HIGHWAY 30
IN ILLINOIS. THERE IS THE POTENTIAL FOR SIGNIFICANT SNOW
ACCUMULATIONS GREATER THAN 6 INCHES IN THE WATCH AREA. FARTHER
SOUTH...ACCUMULATIONS WILL BE LIGHTER...WITH UNDER AN INCH...OR NO
SNOW AT ALL SOUTH OF INTERSTATE 80.

IN ADDITION...WITH THE RAIN AND SNOW...EMBEDDED THUNDERSTORMS ARE
POSSIBLE THURSDAY NIGHT...WHICH MAY BRING ISOLATED HEAVY RAIN TOTALS
OVER ONE HALF INCH...AND LOCALLY HIGHER SNOW TOTALS POSSIBLE.
THUNDERSTORMS SHOULD NOT BE SEVERE.

LONGER RANGE SIGNALS SUGGEST YET ANOTHER STORM SYSTEM MAY IMPACT THE
REGION ABOUT TUESDAY OF NEXT WEEK WITH MORE SNOW AND RAIN.

STAY TUNED TO LATER FORECASTS AND STATEMENTS FOR MORE SPECIFICS
CONCERNING THESE EVENTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

HAASE/NICHOLS/ERVIN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 7:54 PM CDTRiver Flood AdvisoryDVNBuchanan, Linn25 hr
Mar 20, 4:03 AM CDTWinter Storm WatchDVNBenton, Cedar, Clinton, Jones, Linn9 hr
Mar 20, 12:51 PM CDTWinter Weather AdvisoryDVNBuchanan, Clinton, Delaware, Jones, Linn21 hr

Nearby

Winter Storm Warnings in Iowa, 2008Winter Storm Warnings in Illinois, 2008Every winter storm warning in 2008

Sources

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