Alert archive / Iowa / Winter Storm Warnings in 2007

Winter Storm Warning 8, NWS Des Moines, IA

February 12, 200720 counties in Iowa

NWS Des Moines, IA issued this winter storm warning at Feb 12, 2007, 4:30 AM CST for 20 counties in Iowa. It took effect at Feb 12, 2007, 6:00 PM CST. It was in force for 21 hr. 60 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
Feb 12, 2007, 4:30 AM CST (10:30 UTC)
In effect from
Feb 12, 2007, 6:00 PM CST
Expired
Feb 13, 2007, 3:00 PM CST
In force
21 hr
Issued by
NWS Des Moines, IA

Counties Appanoose County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Story County, IA, Tama County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA

What was reported inside it

TimeReportWhereRemark
Feb 12, 11:52 PM CSTSNOW 0.2Johnston, IA
Feb 12, 11:52 PM CSTSNOW 0.4Urbandale, IA
Feb 12, 11:52 PM CSTSNOW 0.4Winterset, IA
Feb 12, 11:52 PM CSTSNOW 0.7Des Moines, IADSM AIRPORT
Feb 12, 11:52 PM CSTSNOW 1.3Winterset, IA
Feb 13, 12:13 AM CSTSNOW 54 Ssw New Sharon, IA
Feb 13, 1:00 AM CSTSNOW 0.4Johnston, IA
Feb 13, 1:15 AM CSTSNOW 1.3Winterset, IA
Feb 13, 2:08 AM CSTSNOW 3Osceola, IA
Feb 13, 2:14 AM CSTSNOW 3Chariton, IA
Feb 13, 2:17 AM CSTSNOW 3Knoxville, IA
Feb 13, 2:21 AM CSTSNOW 2Ottumwa, IABLOWING AND DRIFTING
Feb 13, 2:25 AM CSTSNOW 23 S Indianola, IABLOWING AND DRIFTING
Feb 13, 2:30 AM CSTSNOW 0.8Johnston, IA
Feb 13, 3:10 AM CSTSNOW 2.1Des Moines Int Airport, IA
Feb 13, 4:30 AM CSTSNOW 1Ankeny, IA
Feb 13, 4:30 AM CSTSNOW 3Winterset, IA
Feb 13, 4:40 AM CSTSNOW 1.4Johnston, IA
Feb 13, 4:55 AM CSTSNOW 3Oskaloosa, IA
Feb 13, 4:55 AM CSTSNOW 4Knoxville, IACONSIDERABLE DRIFTING
Feb 13, 5:09 AM CSTSNOW 1Ames, IA1 TO 2 INCHES ACROSS COUNTY WITH SOME ROADS DRIFTING SHUT
Feb 13, 5:11 AM CSTSNOW 2.5Creston, IACONSIDERABLE BLOWING AND DRIFTING
Feb 13, 5:14 AM CSTSNOW 3Indianola, IA
Feb 13, 5:23 AM CSTSNOW 3Montezuma, IA
Feb 13, 6:00 AM CSTSNOW 2.5Johnston, IA
Feb 13, 6:00 AM CSTSNOW 3.4Des Moines Int Airport, IA
Feb 13, 7:00 AM CSTSNOW 1Gilman, IA
Feb 13, 7:00 AM CSTSNOW 1Toledo, IA
Feb 13, 7:00 AM CSTSNOW 1Zearing, IA
Feb 13, 7:00 AM CSTSNOW 1.5Clutier, IA
Feb 13, 7:00 AM CSTSNOW 1.5Marshalltown, IA
Feb 13, 7:00 AM CSTSNOW 1.8Chariton, IA
Feb 13, 7:00 AM CSTSNOW 2Ames, IA
Feb 13, 7:00 AM CSTSNOW 2Garwin, IA
Feb 13, 7:00 AM CSTSNOW 2Grinnell, IA
Feb 13, 7:00 AM CSTSNOW 2Rathbun, IA
Feb 13, 7:00 AM CSTSNOW 2.3Indianola, IA
Feb 13, 7:00 AM CSTSNOW 2.5Bussey, IA
Feb 13, 7:00 AM CSTSNOW 2.5Newton, IA
Feb 13, 7:00 AM CSTSNOW 2.5Osceola, IA
Feb 13, 7:00 AM CSTSNOW 2.5Pella, IA
Feb 13, 7:00 AM CSTSNOW 3Bloomfield, IA
Feb 13, 7:00 AM CSTSNOW 3Montezuma, IA
Feb 13, 7:00 AM CSTSNOW 3Mount Ayr, IA
Feb 13, 7:00 AM CSTSNOW 3Oskaloosa, IA
Feb 13, 7:00 AM CSTSNOW 3Winterset, IA
Feb 13, 7:00 AM CSTSNOW 3.2Hartford, IA
Feb 13, 7:00 AM CSTSNOW 3.52 N Patterson, IA
Feb 13, 7:00 AM CSTSNOW 3.6Leon, IA
Feb 13, 7:00 AM CSTSNOW 3.7Ankeny, IA
Feb 13, 7:00 AM CSTSNOW 3.8Knoxville, IA
Feb 13, 7:00 AM CSTSNOW 4Beaconsfield, IA
Feb 13, 7:00 AM CSTSNOW 4Lorimor, IA
Feb 13, 7:00 AM CSTSNOW 4West Des Moines, IA
Feb 13, 8:00 AM CSTSNOW 2Albia, IA
Feb 13, 8:00 AM CSTSNOW 2.8Des Moines, IANEAR WAVELAND GOLF COURSE
Feb 13, 8:00 AM CSTSNOW 4Allerton, IA
Feb 13, 9:15 AM CSTSNOW 4.2Johnston, IA
Feb 13, 9:30 AM CSTSNOW 5Des Moines, IAREPORT FROM KCCI TV ON THE SOUTH SIDE OF DES MOINES.
Feb 13, 10:00 AM CSTSNOW 57 E New Virginia, IA

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, 10.5 hours before the alert went out and 231 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 2007-02-12Temperature 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 2007-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.1939587897Sfc1 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
997 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
217 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 KDMX 121030
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
430 AM CST MON FEB 12 2007

...SEVERAL PERIODS OF ADVERSE WINTER WEATHER EXPECTED THROUGH
TUESDAY...

.FREEZING DRIZZLE WILL CONTINUE OVER PORTIONS OF CENTRAL AND
SOUTHERN IOWA THIS MORNING AS MOISTURE STREAMS INTO A FRONTAL
BOUNDARY SAGGING SLOWLY SOUTHWARD THROUGH THE STATE. THE FREEZING
DRIZZLE THREAT SHOULD DIMINISH LATER TODAY SETTING THE STAGE FOR A
LARGER LOW PRESSURE SYSTEM TO AFFECT THE MIDWEST TONIGHT INTO
TUESDAY. THE LOW WILL MOVE THROUGH THE SOUTHERN PLAINS INTO THE
LOWER OHIO RIVER VALLEY WITH WIDESPREAD SNOW AND BLOWING SNOW
WELL NORTH OF ITS TRACK.

IAZ060-072>075-082>086-093>097-121730-
/O.UPG.KDMX.WS.A.0003.070212T1200Z-070213T1800Z/
/O.NEW.KDMX.ZR.Y.0003.070212T1030Z-070212T1800Z/
/O.NEW.KDMX.WS.W.0008.070213T0000Z-070213T1800Z/
POLK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-LUCAS-MONROE-
WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...DES MOINES...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
430 AM CST MON FEB 12 2007

...FREEZING RAIN ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST TUESDAY. A FREEZING RAIN ADVISORY HAS ALSO BEEN ISSUED.
THIS FREEZING RAIN ADVISORY IS IN EFFECT UNTIL NOON CST TODAY.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

ALTHOUGH THE PRECIPITATION WILL BE ON THE LIGHT SIDE IN THE FORM
OF FREEZING DRIZZLE RATHER THAN RAIN...IT WILL BE WIDESPREAD AND
CONTINUE THROUGH THE MORNING HOURS. IT SHOULD BE SIGNIFICANT ENOUGH
TO PRODUCE ICY AND SLICK CONDITIONS...ESPECIALLY ON
SIDEWALKS...ELEVATED SURFACES...AND UNTREATED ROADS.

THE FREEZING DRIZZLE SHOULD DIMINISH DURING THE AFTERNOON...BUT
WILL BE FOLLOWED BY SNOW TONIGHT INTO TUESDAY MORNING. ONCE THE
SNOW BEGINS THIS EVENING...IT WILL CONTINUE AT VARIED INTENSITIES
FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY. TOTAL SNOW
ACCUMULATIONS FROM 5 TO 7 INCHES ARE EXPECTED. NORTHEAST TO NORTH
WINDS WILL BE ON THE INCREASE LATE MONDAY NIGHT INTO TUESDAY
MORNING AS WELL. WINDS OF 20 TO 25 MPH AND HIGHER GUSTS WILL
PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH REDUCED
VISIBILITIES.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

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.

$$

IAZ048>050-061-062-121730-
/O.UPG.KDMX.WS.A.0003.070212T1200Z-070213T1800Z/
/O.NEW.KDMX.WS.W.0008.070213T0000Z-070213T1800Z/
STORY-MARSHALL-TAMA-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...NEWTON...
GRINNELL
430 AM CST MON FEB 12 2007

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 12 PM
CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

SNOW IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE AT VARIED
INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY.
TOTAL SNOW ACCUMULATIONS FROM 5 TO 7 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE MONDAY NIGHT
INTO TUESDAY MORNING AS WELL. WINDS OF 20 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITIES.

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.

$$

IAZ044>046-057>059-070-071-081-092-121730-
/O.UPG.KDMX.WS.A.0003.070212T1200Z-070213T1800Z/
/O.NEW.KDMX.SB.Y.0002.070213T0000Z-070213T1800Z/
/O.NEW.KDMX.ZR.Y.0003.070212T1030Z-070212T1800Z/
CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...
AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
430 AM CST MON FEB 12 2007

...FREEZING RAIN ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FREEZING
RAIN ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. A SNOW
AND BLOWING SNOW ADVISORY HAS ALSO BEEN ISSUED. THIS SNOW AND
BLOWING SNOW ADVISORY IS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

ALTHOUGH THE PRECIPITATION WILL BE ON THE LIGHT SIDE IN THE FORM
OF FREEZING DRIZZLE RATHER THAN RAIN...IT WILL BE WIDESPREAD AND
CONTINUE THROUGH THE MORNING HOURS. IT SHOULD BE SIGNIFICANT ENOUGH
TO PRODUCE ICY AND SLICK CONDITIONS...ESPECIALLY ON
SIDEWALKS...ELEVATED SURFACES...AND UNTREATED ROADS.

SNOW IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE AT VARIED
INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY.
TOTAL SNOW ACCUMULATIONS FROM 4 TO 6 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE MONDAY NIGHT
INTO TUESDAY MORNING AS WELL. WINDS OF 15 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITIES.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

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

$$

IAZ047-121730-
/O.UPG.KDMX.WS.A.0003.070212T1200Z-070213T1800Z/
/O.NEW.KDMX.SB.Y.0002.070213T0000Z-070213T1800Z/
BOONE-
INCLUDING THE CITY OF...BOONE
430 AM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT. 

SNOW IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE AT VARIED
INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY.
TOTAL SNOW ACCUMULATIONS FROM 4 TO 6 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE MONDAY NIGHT
INTO TUESDAY MORNING AS WELL. WINDS OF 15 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITIES.

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

$$

IAZ004>007-015>017-023>028-033>039-121730-
/O.NEW.KDMX.SB.Y.0002.070213T0000Z-070213T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO
430 AM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST TUESDAY. 

SNOW IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE AT VARIED
INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY.
TOTAL SNOW ACCUMULATIONS FROM 4 TO 6 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE MONDAY NIGHT
INTO TUESDAY MORNING AS WELL. WINDS OF 15 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITIES.

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

$$

SMALL
6 follow-up statements
000 
WWUS43 KDMX 121643
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1043 AM CST MON FEB 12 2007

...SIGNIFICANT SNOWFALL HEADING FOR IOWA...

.LOW PRESSURE DEVELOPING OVER THE TEXAS PANHANDLE WILL MOVE EAST
THIS AFTERNOON...THEN TURN NORTHEAST TONIGHT. THE LOW WILL BE OVER
EASTERN KENTUCKY BY TUESDAY AFTERNOON. ARCTIC HIGH PRESSURE
CENTERED OVER ALBERTA INTO SASKATCHEWAN WILL PUSH A COLD FRONTAL
BOUNDARY SOUTH ACROSS THE STATE THIS AFTERNOON AND TONIGHT. AS THE
LOW LIFTS NORTHEAST LATE THIS AFTERNOON AND TONIGHT...A WIDESPREAD
AREAS OF SNOW WILL OVERSPREAD THE AREAS. WINDS WINDS WILL INCREASE
FROM THE NORTHEAST TONIGHT.

IAZ060-072>075-082>086-093>097-130045-
/O.CAN.KDMX.ZR.Y.0003.000000T0000Z-070212T1800Z/
/O.CON.KDMX.WS.W.0008.070213T0000Z-070213T1800Z/
POLK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-LUCAS-MONROE-
WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...DES MOINES...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1043 AM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST TUESDAY...
...FREEZING RAIN ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
FREEZING RAIN ADVISORY. A WINTER STORM WARNING REMAINS IN EFFECT
FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY. 

PATCHY FREEZING DRIZZLE FLURRIES ARE EXPECTED THIS AFTERNOON. THE
MAIN AREA OF SNOW WILL OVERSPREAD THE AREAS TONIGHT AND CONTINUE
INTO TUESDAY MORNING. ONCE THE SNOW BEGINS THIS EVENING...IT WILL
CONTINUE AT VARIED INTENSITIES FOR AN EXTENDED PERIOD LASTING
UNTIL MIDDAY TUESDAY. TOTAL SNOW ACCUMULATIONS FROM 5 TO 7 INCHES
ARE EXPECTED. NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE
LATE TONIGHT INTO TUESDAY MORNING AS WELL. WINDS OF 20 TO 25 MPH
AND HIGHER GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING
SNOW WITH REDUCED VISIBILITIES.

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.

$$

IAZ044>046-057>059-070-071-081-092-130045-
/O.CAN.KDMX.ZR.Y.0003.000000T0000Z-070212T1800Z/
/O.CON.KDMX.SB.Y.0002.070213T0000Z-070213T1800Z/
CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...
AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
1043 AM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM
THIS EVENING TO 12 PM CST TUESDAY...
...FREEZING RAIN ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
FREEZING RAIN ADVISORY. A SNOW AND BLOWING SNOW ADVISORY REMAINS
IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY. 

PATCHY FREEZING DRIZZLE OR FLURRIES ARE EXPECTED THIS AFTERNOON.
THE MAIN AREA OF SNOW IS EXPECTED TO DEVELOP THIS EVENING AND
CONTINUE AT VARIED INTENSITIES FOR AN EXTENDED PERIOD LASTING
UNTIL MIDDAY TUESDAY. TOTAL SNOW ACCUMULATIONS FROM 4 TO 6 INCHES
ARE ANTICIPATED. NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE
LATE MONDAY NIGHT INTO TUESDAY MORNING AS WELL. WINDS OF 15 TO 25
MPH AND HIGHER GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND
DRIFTING SNOW WITH REDUCED VISIBILITIES.

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

$$

IAZ048>050-061-062-130045-
/O.CON.KDMX.WS.W.0008.070213T0000Z-070213T1800Z/
STORY-MARSHALL-TAMA-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...NEWTON...
GRINNELL
1043 AM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST TUESDAY. 

A FEW FLURRIES ARE EXPECTED THIS AFTERNOON. THE MAIN AREA OF SNOW
IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE AT VARIED
INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY.
TOTAL SNOW ACCUMULATIONS FROM 5 TO 7 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE TONIGHT INTO
TUESDAY MORNING AS WELL. WINDS OF 20 TO 25 MPH AND HIGHER GUSTS
WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH REDUCED
VISIBILITIES.

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.

$$

IAZ004>007-015>017-023>028-033>039-047-130045-
/O.CON.KDMX.SB.Y.0002.070213T0000Z-070213T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...BOONE
1043 AM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM
THIS EVENING TO 12 PM CST TUESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST TUESDAY. 

A FEW FLURRIES ARE POSSIBLE THIS AFTERNOON. THE MAIN AREA OF SNOW
IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE AT VARIED
INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY.
TOTAL SNOW ACCUMULATIONS FROM 4 TO 6 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE TONIGHT
INTO TUESDAY MORNING AS WELL. WINDS OF 15 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITIES.

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

$$
000 
WWUS43 KDMX 122144
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
344 PM CST MON FEB 12 2007

...SIGNIFICANT SNOWFALL HEADING FOR IOWA...

.LOW PRESSURE OVER THE TEXAS PANHANDLE WILL MOVE EAST THIS
EVENING...THEN TURN MORE NORTHEAST LATER TONIGHT INTO TUESDAY. THE
LOW WILL BE OVER EASTERN KENTUCKY BY TUESDAY EVENING. ARCTIC HIGH
PRESSURE CENTERED OVER ALBERTA INTO SASKATCHEWAN WILL PUSH A COLD
FRONTAL BOUNDARY SOUTH ACROSS THE STATE TONIGHT. AS THE LOW LIFTS
NORTHEAST LATE TONIGHT...A WIDESPREAD AREAS OF SNOW WILL
OVERSPREAD THE AREA. WINDS WILL INCREASE FROM THE NORTHEAST
TONIGHT...AND TURN MORE NORTHERLY ON TUESDAY.

IAZ048>050-060>062-072>075-082>086-093>097-130945-
/O.CON.KDMX.WS.W.0008.070213T0000Z-070213T1800Z/
STORY-MARSHALL-TAMA-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-
MAHASKA-UNION-CLARKE-LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
344 PM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST TUESDAY. 

SNOW WILL SPREAD INTO SOUTHWEST IOWA THIS EVENING...AND WILL
OVERSPREAD THE ENTIRE AREA BY THE LATE EVENING HOURS. SOME PATCHY
FREEZING RAIN WILL BE POSSIBLE DURING INITIAL STAGES OF THE STORM
MAINLY OVER SOUTHWESTERN PORTIONS OF CENTRAL IOWA. THE HEAVIEST SNOW
WILL OCCUR TOWARD MIDNIGHT AND THROUGH THE OVERNIGHT HOURS AND
CONTINUE AT VARIED INTENSITIES FOR AN EXTENDED PERIOD LASTING
UNTIL MIDDAY TUESDAY. TOTAL SNOW ACCUMULATIONS FROM 5 TO 7 INCHES
ARE ANTICIPATED...WITH THE HEAVIEST SNOW SOUTHEAST OF A MONTEZUMA
TO CORYDON LINE. NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE
LATE TONIGHT INTO TUESDAY MORNING AS WELL. WINDS OF 20 TO 25 MPH
AND HIGHER GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING
SNOW WITH REDUCED VISIBILITIES.

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.

$$

IAZ004>007-015>017-023>028-033>039-044>047-057>059-070-071-081-
092-130945-
/O.CON.KDMX.SB.Y.0002.070213T0000Z-070213T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
344 PM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM
THIS EVENING TO 12 PM CST TUESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST TUESDAY. 

SNOW IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE AT VARIED
INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY TUESDAY.
TOTAL SNOW ACCUMULATIONS FROM 3 TO 5 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE MONDAY NIGHT
INTO TUESDAY MORNING AS WELL. WINDS OF 15 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITIES.

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

$$

FAB
000 
WWUS43 KDMX 130258
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
858 PM CST MON FEB 12 2007

...SIGNIFICANT SNOWFALL HEADING FOR IOWA...

.LOW PRESSURE OVER OKLAHOMA WILL MOVE EAST THIS EVENING...THEN TURN
MORE NORTHEAST LATER TONIGHT INTO TUESDAY. THE LOW WILL BE OVER
EASTERN KENTUCKY BY TUESDAY EVENING. WIDESPREAD AREAS OF SNOW WILL
OVERSPREAD THE AREA. WINDS WILL INCREASE FROM THE NORTHEAST
TONIGHT...AND TURN MORE NORTHERLY ON TUESDAY RESULTING IN AREAS OF
BLOWING SNOW THROUGH LATE TUESDAY MORNING.

IAZ048>050-060>062-072>075-082>086-093>097-131100-
/O.CON.KDMX.WS.W.0008.000000T0000Z-070213T1800Z/
STORY-MARSHALL-TAMA-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-
MAHASKA-UNION-CLARKE-LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
858 PM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY.

SNOW HAS SPREAD INTO SOUTHWEST IOWA THIS EVENING...AND WILL
OVERSPREAD THE SOUTHERN AND WESTERN COUNTIES BY MIDNIGHT. 
THE HEAVIEST SNOW WILL OCCUR OVERNIGHT AND THROUGH THE MORNING HOURS 
CONTINUING AT VARIED INTENSITIES FOR AN EXTENDED PERIOD LASTING
UNTIL MIDDAY TUESDAY. TOTAL SNOW ACCUMULATIONS FROM 4 TO 7 INCHES
ARE ANTICIPATED...WITH THE HEAVIEST SNOW SOUTH OF A CRESTON TO
OSKALOOSA LINE. NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE
OVERNIGHT INTO TUESDAY MORNING. WINDS OF 20 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITY.

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.

$$

IAZ004>007-015>017-023>028-033>039-044>047-057>059-070-071-081-
092-131100-
/O.CON.KDMX.SB.Y.0002.000000T0000Z-070213T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
858 PM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM
CST TUESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM
CST TUESDAY. 

SNOW IS SPREADING NORTH INTO SOUTHERN IOWA THIS EVENING AND CONTINUE
AT VARIED INTENSITIES FOR AN EXTENDED PERIOD LASTING UNTIL MIDDAY
TUESDAY. TOTAL SNOW ACCUMULATIONS FROM 3 TO 5 INCHES ARE ANTICIPATED.
NORTHEAST TO NORTH WINDS WILL BE ON THE INCREASE LATE MONDAY NIGHT
INTO TUESDAY MORNING AS WELL. WINDS OF 15 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITY.

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

$$

REV
000 
WWUS43 KDMX 131015
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
415 AM CST TUE FEB 13 2007

...WINTER STORM TO CONTINUE ACROSS IOWA THIS MORNING...

.LOW PRESSURE OVER ARKANSAS WILL MOVE NORTHEAST TODAY WITH SNOW
GRADUALLY DIMINISHING FROM WEST TO EAST LATE THIS MORNING AND
INTO THIS AFTERNOON HOURS AS HIGH PRESSURE STRENGTHENS THROUGH
THE WESTERN PLAINS. WINDS WILL CONTINUE TO INCREASE FROM THE
NORTH TO NORTHEAST RESULTING IN AREAS OF BLOWING AND DRIFTING OF
SNOW.

IAZ048>050-131800-
/O.CAN.KDMX.WS.W.0008.000000T0000Z-070213T1800Z/
/O.EXA.KDMX.SB.Y.0002.000000T0000Z-070213T1800Z/
STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...TOLEDO
415 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL NOON CST
TODAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY.
THE WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW WILL CONTINUE THIS MORNING ACROSS THE AREA WITH AN ADDITIONAL
1 TO 3 INCHES POSSIBLE. TOTAL SNOW ACCUMULATIONS FROM 2 TO 5
INCHES ARE ANTICIPATED. NORTHEAST TO NORTH WINDS WILL BE ON THE
INCREASE THIS MORNING AS WELL. WINDS OF 15 TO 25 MPH AND HIGHER
GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH
REDUCED VISIBILITY.

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

$$

IAZ004>007-015>017-026>028-131115-
/O.CAN.KDMX.SB.Y.0002.000000T0000Z-070213T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...HAMPTON...
ALLISON...WAVERLY
415 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE SNOW
AND BLOWING SNOW ADVISORY. 

LIGHT SNOW CAN BE EXPECTED TODAY WITH ADDITIONAL SNOW
ACCUMULATIONS UP TO 1 INCH WITH LOCALLY 2 INCHES POSSIBLE. MINOR BLOWING
SNOW MAY OCCUR AS WELL THOUGH CONDITIONS WILL NOT MEET ADVISORY
CRITERIA.

$$

IAZ060>062-072>075-082>086-093>097-131800-
/O.CON.KDMX.WS.W.0008.000000T0000Z-070213T1800Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CRESTON...
OSCEOLA...CHARITON...ALBIA...OTTUMWA...MOUNT AYR...LEON...
CORYDON...CENTERVILLE...BLOOMFIELD
415 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

SNOW WILL CONTINUE THIS MORNING WITH AN ENHANCED BAND OF HEAVIER
SNOW EXPECTED MAINLY BETWEEN INTERSTATE 80 AND HIGHWAY 34. THE
HEAVIEST SNOW WILL OCCUR THROUGH THE MID MORNING HOURS BEFORE
GRADUALLY DIMINISHING BY NOON. TOTAL SNOW ACCUMULATIONS FROM 3 TO
6 INCHES ARE ANTICIPATED. NORTHEAST TO NORTH WINDS WILL BE ON THE
INCREASE THIS MORNING. WINDS OF 20 TO 25 MPH AND HIGHER GUSTS WILL
PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH REDUCED
VISIBILITY.

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.

$$

IAZ023>025-033>039-044>047-057>059-070-071-081-092-131800-
/O.CON.KDMX.SB.Y.0002.000000T0000Z-070213T1800Z/
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-
GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-
DALLAS-CASS-ADAIR-ADAMS-TAYLOR-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
SAC CITY...ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
415 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON
CST TODAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY. 

SNOW WILL CONTINUE THIS MORNING WITH ADDITIONAL ACCUMULATIONS UP
TO 2 INCHES POSSIBLE. THE SNOW WILL CONTINUE UNTIL MIDDAY THEN
GRADUALLY ENDING THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS FROM 1 TO 3
INCHES ARE ANTICIPATED. NORTHEAST TO NORTH WINDS WILL BE ON THE
INCREASE THROUGH THIS MORNING AS WELL. WINDS OF 15 TO 25 MPH AND
HIGHER GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW
WITH REDUCED VISIBILITY.

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

$$

DONAVON
000 
WWUS43 KDMX 131701
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1101 AM CST TUE FEB 13 2007

...WINTER STORM TO CONTINUE ACROSS IOWA THIS MORNING...

.LOW PRESSURE OVER WESTERN TENNESSEE WILL MOVE NORTHEAST THIS
AFTERNOON WITH THE SNOW GRADUALLY DIMINISHING FROM NORTHWEST TO
SOUTHEAST THIS AFTERNOON. HIGH PRESSURE OVER SOUTHERN SASKATCHEWAN
WILL PUSH SOUTHEAST INTO NORTH DAKOTA TONIGHT.

IAZ074-075-084>086-095>097-132100-
/O.EXT.KDMX.WS.W.0008.000000T0000Z-070213T2100Z/
MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
1101 AM CST TUE FEB 13 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON. 

SNOW WILL CONTINUE TO TAPER OFF FROM NORTHWEST TO SOUTHEAST
THROUGH THE REST OF THE MORNING. THE HEAVIEST SNOW HAS SHIFTED
SOUTH OF INTERSTATE 80 AND EAST OF INTERSTATE 35...AND WILL MOVE
TO THE EAST OF OUR AREA BY 300 PM THIS AFTERNOON. ADDITIONAL SNOW
ACCUMULATION THROUGH THE AFTERNOON WILL BE IN THE 1 TO 2 INCH
RANGE.  TOTAL SNOW ACCUMULATIONS FROM 4 TO 6 INCHES ARE
ANTICIPATED. NORTHEAST TO NORTH WINDS WILL CONTINUE IN THE 20 TO
25 MPH RANGE...WITH OCCASIONAL HIGHER GUSTS. THIS WILL CAUSE
CONSIDERABLE DRIFTING AND SOME BLOWING OF SNOW WITH REDUCED
VISIBILITY THROUGH 300 PM. DRIFTING WILL CONTINUE TO BE A PROBLEM
THROUGH THE REST OF THE AFTERNOON...HOWEVER REDUCED VISIBILITIES
FROM BLOWING SNOW WILL BE ISOLATED.

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.

$$

IAZ060>062-072-073-082-083-093-094-131815-
/O.CON.KDMX.WS.W.0008.000000T0000Z-070213T1800Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-UNION-CLARKE-RINGGOLD-
DECATUR-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...CRESTON...OSCEOLA...MOUNT AYR...LEON
1101 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

SNOW WILL CONTINUE TO TAPER OFF FROM NORTHWEST TO SOUTHEAST
THROUGH THE REST OF THE MORNING. THE HEAVIEST SNOW HAS SHIFTED
SOUTH OF INTERSTATE 80 AND EAST OF INTERSTATE 35...AND WILL MOVE
TO THE EAST OF OUR AREA BY NOON. ADDITIONAL SNOWFALL WILL BE
AROUND ONE HALF INCH.  TOTAL SNOW ACCUMULATIONS FROM 3 TO 6 INCHES
ARE ANTICIPATED. NORTHEAST TO NORTH WINDS WILL CONTINUE IN THE 20
TO 25 MPH RANGE...WITH OCCASIONAL HIGHER GUSTS. THIS WILL CAUSE
CONSIDERABLE DRIFTING AND SOME BLOWING OF SNOW WITH REDUCED
VISIBILITY THROUGH 300 PM.

THE WINTER STORM WARNING WILL BE ALLOWED TO EXPIRE AT
NOON...HOWEVER DRIFTING WILL CONTINUE TO BE A PROBLEM THROUGH THE
REST OF THE AFTERNOON. LITTLE ADDITIONAL ACCUMULATION IS
EXPECTED...WITH ONLY FLURRIES THROUGH THE AFTERNOON.  VISIBILITY
REDUCTIONS FROM BLOWING SNOW WILL BE ISOLATED THROUGH THE
AFTERNOON.

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.

$$

IAZ023>025-033>039-044>050-057>059-070-071-081-092-131815-
/O.CON.KDMX.SB.Y.0002.000000T0000Z-070213T1800Z/
POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-
GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-
TAMA-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-TAYLOR-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
SAC CITY...ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...ATLANTIC...GREENFIELD...CORNING...BEDFORD
1101 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON
CST TODAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY. 

SNOW WILL CONTINUE TO DIMINISH THROUGH THE AFTERNOON. ANY
ADDITIONAL ACCUMULATION WILL BE IN THE ONE QUARTER TO ONE HALF
INCH RANGE. TOTAL SNOW ACCUMULATIONS FROM 1 TO 3 INCHES ARE
ANTICIPATED. NORTHEAST TO NORTH WINDS WILL CONTINUE IN THE BE ON
THE INCREASE THROUGH THIS MORNING AS WELL. WINDS OF 15 TO 25 MPH
RANGE...WITH A FEW HIGHER GUSTS. CONSIDERABLE DRIFTING OF SNOW CAN
BE EXPECTED THROUGH NOON...WITH AREAS OF BLOWING SNOW REDUCING
VISIBILITY SIGNIFICANTLY.

THE SNOW AND BLOWING SNOW ADVISORY WILL BE ALLOWED TO EXPIRE AT
NOON...HOWEVER DRIFTING WILL CONTINUE TO BE A PROBLEM THROUGH THE
REST OF THE AFTERNOON. LITTLE ADDITIONAL ACCUMULATION IS
EXPECTED...WITH ONLY FLURRIES THROUGH THE AFTERNOON. VISIBILITY
REDUCTIONS FROM BLOWING SNOW WILL BE ISOLATED THROUGH THE
AFTERNOON.

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

$$
000 
WWUS43 KDMX 132105
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
305 PM CST TUE FEB 13 2007

.WINTER STORM EXITS IOWA...

.THE WINTER STORM HAS MOVED SOUTHEAST OF IOWA. COLD HIGH PRESSURE
WILL BUILD INTO THE UPPER MIDWEST TONIGHT AS WINDS DIMINISH SLOWLY OVERNIGHT.

IAZ074-075-084>086-095>097-132215-
/O.EXP.KDMX.WS.W.0008.000000T0000Z-070213T2100Z/
MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
305 PM CST TUE FEB 13 2007

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

THE HEAVY SNOWFALL HAS MOVED SOUTHEAST OF IOWA. OCCASIONAL
FLURRIES WILL CONTINUE THROUGH THE AFTERNOON AND EARLY
EVENING...BUT NO SIGNIFICANT ADDITIONAL ACCUMULATION IS EXPECTED.
NORTH-NORTHEAST WINDS OF 15 TO 25 MPH WILL CAUSE CONSIDERABLE
DRIFTING SNOW...AND LOCALIZED BLOWING SNOW INTO EARLY THIS EVENING.

$$

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 Des Moines, IA wrote its last area forecast discussion before this winter storm warning went out at Feb 11, 9:10 PM CST, 7 hours 20 minutes earlier.

Area forecast discussion, Feb 11, 9:10 PM CST, 7 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
910 PM CST SUN FEB 11 2007

.DISCUSSION...
HAVE LEFT SNOW ADVISORY IN THE NORTH AS S/W SLOW TO TRACK ACROSS
THAT AREA OF THE STATE THOUGH APPEARS BAND OF SNOW IN EXCESS OF 3
INCHES IS VERY NARROW PER CALLS.  OTHER PARTS OF THE STATE PCPN WAS
PLAYED DOWN AS CURRENT SHORT TERM MODELS FAVORING BEST DYNAMICAL
FIELDS NORTH THOUGH WILL NOT RULE OUT LIGHT FRZG PCPN.  TEMPERATURES
SLOW TO FALL SOME MINOR ADJUSTMENTS MADE THERE.

.PREVIOUS DISCUSSION...
PLENTY OF ISSUES IN THE FORECAST THROUGH TUESDAY WITH SYSTEM PASSING
THROUGH THE REGION.  WARM FRONT IS ACROSS NORTHERN IOWA THIS
AFTERNOON WITH READINGS RISING ABOVE FREEZING FOR THE FIRST TIME IN
JUST OVER TWO WEEKS...MAINLY SOUTH OF HIGHWAY 20.  THE WARMING WAS
AIDED BY A FEW HOURS OF SUNSHINE AS CLOUDS ERODED QUICKLY FROM THE
SOUTH THIS MORNING.  HOWEVER...CLDS RAPIDLY ADVANCING INTO THE WEST
AHEAD OF WEAK UPPER WAVE IN WESTERN NEBRASKA.  ISENTROPIC LIFT WL
INCREASE CONSIDERABLY THIS EVENING AHEAD OF THIS APPROACHING WAVE
WITH PDEF FALLING QUICKLY ACRS THE NORTH.  EXPECT A MIXTURE OF
RAIN/SNOW INITIALLY CHANGING TO ALL SNOW RATHER QUICKLY AS FORCING
INCREASES AND SOUNDING CRASH BELOW ZERO.  BOTH GFS AND NAM SUGGESTED
A RATHER INTENSE NARROW BAND OF FORCING IN NORTHERN IOWA THIS
EVENING INTO THE EARLY MORNING HOURS.  THIS WL PRODUCE A NARROW
SWATH OF ACCUMULATING SNOW IN NORTHERN IA WITH SOME MODERATE AMOUNTS
IN A SHORT PERIOD OF TIME.  HAVE OPTED TO GO WITH ADVISORY IN
NORTHERN THREE TIERS TONIGHT FOR THIS SNOWFALL WHERE 2 TO 5 INCHES
ARE POSSIBLE.

GFS AND NAM CONTINUE TO SLOW WITH PROGRESSION OF SYSTEM THROUGH THE
REGION.  MID LEVELS DRY ON MONDAY WITH LITTLE IF ANY FORCING PRESENT
THROUGH MUCH OF THE DAY.  SOUNDINGS INDICATIVE OF FZDZ FOR MUCH OF
THE DAY AND HAVE ADDED TO THE GRIDS.  WATCH IS QUITE BORDER LINE ON
MONDAY AND HAD THOUGHT OF BACKING IT UP TO 18Z OR 00Z.  HOWEVER...
THREAT REMAINS FOR HEADLINES IN CONSIDERATION OF THE PSBL FREEZING
DRIZZLE.  ISENTROPIC LIFT AND QG FORCING INCREASE BY LATE IN THE DAY
AS WAVE BEGINS TO CROSS THE PLAINS.  EXPECT SNOW RATES TO PICK UP
ACRS THE SOUTHWEST BY LATE AFTERNOON AND SPREAD NORTHEAST DURING THE
NIGHT.  FOCUS OF BEST FORCING REMAINS ACRS THE SOUTH WHERE HIGHEST
SNOW RATES ARE EXPECTED.  GFS AND NAM ARE NOT NEARLY AS HIGH WITH
AMOUNTS AS YESTERDAYS RUNS...BUT STILL APPROACH WARNING CRITERIA IN
THE SOUTHERN TWO OR THREE TIERS.  IN ADDITION...PRES GRADIENT REALLY
TIGHTENS BY LATER MONDAY NIGHT AND EXPECT BLOWING SNOW TO BECOME AND
ISSUE DURING THE EARLY MORNING HOURS.  THE SLOWING OF THE SYSTEM
EXTENDS THE PCPN INTO TUESDAY ACRS THE CWA AND THEREFORE HAVE
EXTENDED WATCH TIL 18Z ON TUESDAY.  BLOWING SNOW WL ALSO CONTINUE
INTO TUESDAY AS GRADIENT REMAINS TIGHT AROUND DEEPENING SFC LOW.
SO...WSW WL HIGHLIGHT FZDZ POTENTIAL FOR MONDAY THEN ACCUMULATING
SNOWFALL MONDAY NIGHT INTO TUESDAY MORNING ALONG WITH THE INCREASING
BLOWING SNOW PROBLEM AS WELL.

EXTENDED STILL REMAIN COLD THROUGH MID WEEK AS CANADIAN HIGH DROPS
INTO THE PLAINS.  SOME MODERATION EXPECTED TOWARD THE WEEKEND AS
UPPER RIDGING TRIES TO MOVE FROM THE WEST COAST TOWARD THE EAST AND
BROADEN.  APPEARS THAT A WAVE WL DROP DOWN BACKSIDE OF EASTERN TROF
BY LATE IN THE WORK WEEK WITH INCREASING THREAT OF SNOW.  CHANCES
HAVE BEEN INCREASED FOR FRIDAY NIGHT BUT LIKELY SOME ADJUSTMENT WL
BE NEEDED AS TIMING BECOMES BETTER DEFINED.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...SNOW ADVISORY 6 PM TO 6AM
TONIGHT.  IAZ004>007-015>017-023>028-039.
WINTER STORM WATCH ALONG AND SOUTH OF HIGHWAY 30 MONDAY THROUGH 12
PM TUESDAY.  IAZ044>050-057>062-070>075-081>086-092>097.

&&

COGIL/FORSTER/ 202/39
Hazardous weather outlook, Feb 11, 3:28 PM CST, 13 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
328 PM CST SUN FEB 11 2007

IAZ004>007-015>017-023>028-039-121145-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-BLACK HAWK-
328 PM CST SUN FEB 11 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN IOWA
ALONG AND NORTH OF HIGHWAY 20.

.DAY ONE...TONIGHT

PERIODS OF MODERATE SNOW WILL MOVE ACROSS THE AREA TONIGHT WITH
A BAND OF SNOW EXPECTED TO DEVELOP THIS EVENING THEN MOVE ACROSS
THE AREA OVERNIGHT. SNOWFALL ACCUMULATIONS UP TO 3 INCHES WILL BE
COMMON...THOUGH LOCALLY HIGHER AMOUNTS ARE POSSIBLE.

A SNOW ADVISORY IS IN EFFECT FOR THE AREA. PLEASE REFER TO THE
NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ACCUMULATING SNOWFALL IS POSSIBLE LATE MONDAY AND MONDAY NIGHT
HOWEVER AT THIS TIME IT APPEARS THAT THE HEAVIER ACCUMULATIONS
WILL BE TO THE SOUTH OF THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS WILL
BE APPRECIATED.

IAZ044>050-057>062-070>075-081>086-092>097-121145-
CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-
DECATUR-WAYNE-APPANOOSE-DAVIS-
328 PM CST SUN FEB 11 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN IOWA ALONG AND SOUTH OF HIGHWAY 30.

.DAY ONE...TONIGHT

FOR AN AREA BOUNDED BY HIGHWAY 20 TO HIGHWAY 30...A PERIOD OF LIGHT
SNOW...POSSIBLY MIXED WITH LIGHT RAIN OR LIGHT FREEZING RAIN WILL
OCCUR THIS EVENING BEFORE CHANGING OVER TO LIGHT SNOW WITH LITTLE
ACCUMULATION EXPECTED. MINOR ICE ACCUMULATIONS ARE POSSIBLE BEFORE
THE MIXTURE BECOMES ALL LIGHT SNOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE CHANCE FOR LIGHT FREEZING DRIZZLE MIXED WITH LIGHT SNOW WILL
CONTINUE MONDAY MORNING. SNOW CHANCES WILL INCREASE MONDAY
AFTERNOON AND MODERATE SNOW IS THEN LIKELY THROUGH TUESDAY MORNING.
SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY TUESDAY
MORNING. IN ADDITION...INCREASING NORTHEAST WINDS OF 15 TO 25 MPH
WILL CAUSE BLOWING AND DRIFTING OF SNOW. VISIBILITY MAY DROP TO
ONE QUARTER OF A MILE OR LESS IN SNOW AND BLOWING SNOW
...ESPECIALLY MONDAY NIGHT AND TUESDAY MORNING. MINOR ADDITIONAL
ACCUMULATIONS ARE POSSIBLE TUESDAY MORNING BEFORE TAPERING TO
FLURRIES TUESDAY AFTERNOON.

A WINTER STORM WATCH IS IN EFFECT FOR THE AREA MONDAY MORNING
THROUGH TUESDAY MORNING. PLEASE REFER TO THE NATIONAL WEATHER
SERVICE WEBSITE AT WEATHER.GOV/DESMOINES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS WILL
BE APPRECIATED.

IAZ033>038-121145-
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-
328 PM CST SUN FEB 11 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TONIGHT

LIGHT SNOW MIXED WITH LIGHT FREEZING RAIN IS POSSIBLE THIS EVENING
BEFORE THE MIXTURE CHANGES OVER TO LIGHT SNOW TONIGHT. LIGHT ICE
ACCUMULATIONS ARE POSSIBLE BEFORE THE MIXTURE CHANGES OVER TO ALL
LIGHT SNOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ACCUMULATING SNOWFALL IS POSSIBLE LATE MONDAY AND MONDAY NIGHT
HOWEVER AT THIS TIME IT APPEARS THAT THE HEAVIEST ACCUMULATIONS WILL
BE TO THE SOUTH OF THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS WILL
BE APPRECIATED.

REV

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 12, 4:30 AM CSTSnow and Blowing Snow AdvisoryDMXAdair, Adams, Audubon, Black Hawk, Boone, Bremer and 28 more32 hr
Feb 12, 4:30 AM CSTFreezing Rain AdvisoryDMXAdair, Adams, Appanoose, Audubon, Carroll, Cass and 19 more6 hr

Nearby

Winter Storm Warnings in Iowa, 2007Every winter storm warning in 2007

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.