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Winter Storm Warning for all of Central Iowa Thursday into Friday

URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
259 PM CST WED FEB 20 2013

…A SIGNIFICANT WINTER STORM HEADING FOR IOWA THURSDAY AFTERNOON INTO
EARLY FRIDAY…

.LOW PRESSURE WILL SLOWLY TRACK FROM NEW MEXICO TONIGHT TO THE
MID MISSISSIPPI VALLEY BY FRIDAY MORNING. A LARGE AREA OF SNOW IS
EXPECTED TO SPREAD ACROSS THE MIDWEST AHEAD OF THIS SYSTEM WITH
LIGHT SNOW ALSO LINGERING JUST BEHIND. GUSTY EAST WINDS WILL ALSO
ACCOMPANY THE HEAVIEST SNOW THURSDAY AFTERNOON AND EVENING.

IAZ004>007-015>017-023>028-035>039-049-050-210400-
/O.UPG.KDMX.WS.A.0003.130221T2200Z-130222T1800Z/
/O.EXB.KDMX.WS.W.0003.130222T0000Z-130222T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF…ESTHERVILLE…ALGONA…FOREST CITY…
NORTHWOOD…EMMETSBURG…GARNER…MASON CITY…POCAHONTAS…
HUMBOLDT…CLARION…HAMPTON…ALLISON…WAVERLY…FORT DODGE…
WEBSTER CITY…ELDORA…GRUNDY CENTER…WATERLOO…MARSHALLTOWN…
TOLEDO
259 PM CST WED FEB 20 2013

…WINTER STORM WARNING IN EFFECT FROM 6 PM THURSDAY TO NOON CST
FRIDAY…

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW…WHICH IS IN EFFECT FROM
6 PM THURSDAY TO NOON CST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING…SNOW WILL DEVELOP OVER CENTRAL AND NORTHERN IOWA LATE
THURSDAY AFTERNOON INTO THURSDAY EVENING. THE HEAVIEST SNOWFALL
WILL DEVELOP QUICKLY AFTER ONSET AND LAST FOR AROUND SIX HOURS
BEFORE DIMINISHING SOMEWHAT OVERNIGHT.

* STORM TOTAL SNOW ACCUMULATIONS…SNOW ACCUMULATIONS WILL RANGE
FROM 5 TO 8 INCHES.

* WINDS/VISIBILITY…EASTERLY WINDS WILL INCREASE TO 15 TO 25 MPH
WITH HIGHER GUSTS LATE THURSDAY BEFORE DIMINISHING OVERNIGHT.
SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR COINCIDENT WITH THE
PERIOD OF STRONGEST WINDS WILL REDUCE VISIBILITY TO ONE QUARTER
MILE OR LESS FOR SEVERAL HOURS.

* IMPACTS…CONDITIONS WILL DETERIORATE RAPIDLY AS THE SNOW MOVES
IN LATE THURSDAY. AT THE ONSET…VISIBILITY OF LESS THAN ONE
QUARTER MILE AT TIMES CAN BE EXPECTED. TRAVEL WILL BECOME
HAZARDOUS DUE TO POOR VISIBILITY AND THE ROADS RAPIDLY BECOMING
ICY AND SNOW PACKED.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL…KEEP AN EXTRA
FLASHLIGHT…FOOD…AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$
URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
259 PM CST WED FEB 20 2013

…A SIGNIFICANT WINTER STORM HEADING FOR IOWA THURSDAY AFTERNOON INTO
EARLY FRIDAY…

.LOW PRESSURE WILL SLOWLY TRACK FROM NEW MEXICO TONIGHT TO THE
MID MISSISSIPPI VALLEY BY FRIDAY MORNING. A LARGE AREA OF SNOW IS
EXPECTED TO SPREAD ACROSS THE MIDWEST AHEAD OF THIS SYSTEM WITH
LIGHT SNOW ALSO LINGERING JUST BEHIND. GUSTY EAST WINDS WILL ALSO
ACCOMPANY THE HEAVIEST SNOW THURSDAY AFTERNOON AND EVENING.

IAZ057-070-071-081>084-092>096-210400-
/O.EXT.KDMX.WS.W.0003.130221T1800Z-130222T1800Z/
AUDUBON-CASS-ADAIR-ADAMS-UNION-CLARKE-LUCAS-TAYLOR-RINGGOLD-
DECATUR-WAYNE-APPANOOSE-
INCLUDING THE CITIES OF…AUDUBON…ATLANTIC…GREENFIELD…
CORNING…CRESTON…OSCEOLA…CHARITON…BEDFORD…MOUNT AYR…
LEON…CORYDON…CENTERVILLE
259 PM CST WED FEB 20 2013

…WINTER STORM WARNING NOW IN EFFECT FROM NOON THURSDAY TO NOON
CST FRIDAY…

* TIMING…SNOW WILL DEVELOP OVER THE SOUTHERN THIRD OF IOWA BY
THURSDAY AFTERNOON. THE HEAVIEST SNOWFALL WILL DEVELOP QUICKLY
AFTER ONSET AND LAST FOR AROUND SIX HOURS BEFORE DIMINISHING
SOMEWHAT THURSDAY EVENING.

LIGHT SNOW WILL STILL PERSIST INTO FRIDAY HOWEVER BEFORE COMING
TO AN END ALTOGETHER LATER IN THE DAY. THE SNOW MAY ALSO MIX
WITH LIGHT FREEZING RAIN OVER SOUTHEAST IOWA THURSDAY NIGHT WITH
A MINOR COATING OF ICE ON TOP OF THE SNOW POSSIBLE.

* STORM TOTAL SNOW ACCUMULATIONS…SNOW ACCUMULATIONS WILL RANGE
FROM 6 TO 9 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY…EASTERLY WINDS WILL INCREASE TO 15 TO 25 MPH
WITH HIGHER GUSTS BY LATE THURSDAY AFTERNOON…THEN DIMINISH
LATER THURSDAY NIGHT. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR
COINCIDENT WITH THE STRONGEST WINDS WILL REDUCE VISIBILITY TO
ONE QUARTER MILE OR LESS FOR SEVERAL HOURS.

* IMPACTS…CONDITIONS WILL DETERIORATE VERY RAPIDLY AS THE SNOW
MOVES IN THURSDAY AFTERNOON. AT THE ONSET…VISIBILITY OF LESS
THAN ONE QUARTER MILE AT TIMES CAN BE EXPECTED. TRAVEL WILL
BECOME HAZARDOUS DUE TO POOR VISIBILITY AND THE ROADS RAPIDLY
BECOMING ICY AND SNOW PACKED.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST…COMBINED WITH BLOWING
SNOW…THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL…KEEP AN EXTRA FLASHLIGHT…FOOD…
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

SMALL
URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
259 PM CST WED FEB 20 2013

…A SIGNIFICANT WINTER STORM HEADING FOR IOWA THURSDAY AFTERNOON INTO
EARLY FRIDAY…

.LOW PRESSURE WILL SLOWLY TRACK FROM NEW MEXICO TONIGHT TO THE
MID MISSISSIPPI VALLEY BY FRIDAY MORNING. A LARGE AREA OF SNOW IS
EXPECTED TO SPREAD ACROSS THE MIDWEST AHEAD OF THIS SYSTEM WITH
LIGHT SNOW ALSO LINGERING JUST BEHIND. GUSTY EAST WINDS WILL ALSO
ACCOMPANY THE HEAVIEST SNOW THURSDAY AFTERNOON AND EVENING.

IAZ034-047-048-061-062-075-086-210400-
/O.UPG.KDMX.WS.A.0003.130221T2200Z-130222T1800Z/
/O.EXB.KDMX.WS.W.0003.130221T2100Z-130222T1800Z/
CALHOUN-BOONE-STORY-JASPER-POWESHIEK-MAHASKA-WAPELLO-
INCLUDING THE CITIES OF…ROCKWELL CITY…BOONE…AMES…NEWTON…
GRINNELL…OSKALOOSA…OTTUMWA
259 PM CST WED FEB 20 2013

…WINTER STORM WARNING IN EFFECT FROM 3 PM THURSDAY TO NOON CST
FRIDAY…

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW…WHICH IS IN
EFFECT FROM 3 PM THURSDAY TO NOON CST FRIDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* TIMING…SNOW WILL DEVELOP OVER CENTRAL AND SOUTHERN IOWA
DURING THE AFTERNOON THURSDAY. THE HEAVIEST SNOWFALL WILL
DEVELOP QUICKLY AFTER ONSET AND LAST FOR AROUND SIX HOURS BEFORE
DIMINISHING SOMEWHAT LATER THURSDAY NIGHT.

LIGHT SNOW WILL STILL PERSIST INTO FRIDAY HOWEVER BEFORE COMING
TO AN END ALTOGETHER LATER IN THE DAY. THE SNOW MAY ALSO MIX
WITH LIGHT FREEZING RAIN OVER SOUTHEAST IOWA THURSDAY NIGHT WITH
A MINOR COATING OF ICE ON TOP OF THE SNOW POSSIBLE.

* STORM TOTAL SNOW ACCUMULATIONS…SNOW ACCUMULATIONS WILL RANGE
FROM 6 TO 9 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY…EASTERLY WINDS WILL INCREASE TO 15 TO 25 MPH
WITH HIGHER GUSTS LATE THURSDAY BEFORE DIMINISHING LATER IN THE
NIGHT. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR COINCIDENT WITH
THE PERIOD OF STRONGEST WINDS WILL REDUCE VISIBILITY TO ONE
QUARTER MILE OR LESS FOR SEVERAL HOURS.

* IMPACTS…CONDITIONS WILL DETERIORATE RAPIDLY AS THE SNOW
MOVES IN THURSDAY AFTERNOON. AT THE ONSET…VISIBILITY OF LESS
THAN ONE QUARTER MILE AT TIMES CAN BE EXPECTED. TRAVEL WILL
BECOME HAZARDOUS DUE TO POOR VISIBILITY AND THE ROADS RAPIDLY
BECOMING ICY AND SNOW PACKED.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL…KEEP AN EXTRA
FLASHLIGHT…FOOD…AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$
URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
259 PM CST WED FEB 20 2013

…A SIGNIFICANT WINTER STORM HEADING FOR IOWA THURSDAY AFTERNOON INTO
EARLY FRIDAY…

.LOW PRESSURE WILL SLOWLY TRACK FROM NEW MEXICO TONIGHT TO THE
MID MISSISSIPPI VALLEY BY FRIDAY MORNING. A LARGE AREA OF SNOW IS
EXPECTED TO SPREAD ACROSS THE MIDWEST AHEAD OF THIS SYSTEM WITH
LIGHT SNOW ALSO LINGERING JUST BEHIND. GUSTY EAST WINDS WILL ALSO
ACCOMPANY THE HEAVIEST SNOW THURSDAY AFTERNOON AND EVENING.

IAZ033-044>046-058>060-072>074-085-097-210400-
/O.UPG.KDMX.WS.A.0003.130221T1900Z-130222T1800Z/
/O.EXB.KDMX.WS.W.0003.130221T2100Z-130222T1800Z/
SAC-CRAWFORD-CARROLL-GREENE-GUTHRIE-DALLAS-POLK-MADISON-WARREN-
MARION-MONROE-DAVIS-
INCLUDING THE CITIES OF…SAC CITY…DENISON…CARROLL…
JEFFERSON…GUTHRIE CENTER…ADEL…DES MOINES…WINTERSET…
INDIANOLA…KNOXVILLE…ALBIA…BLOOMFIELD
259 PM CST WED FEB 20 2013

…WINTER STORM WARNING IN EFFECT FROM 3 PM THURSDAY TO NOON CST
FRIDAY…

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW…WHICH IS IN
EFFECT FROM 3 PM THURSDAY TO NOON CST FRIDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* TIMING…SNOW WILL DEVELOP OVER CENTRAL AND SOUTHERN IOWA BY MID
AFTERNOON THURSDAY. THE HEAVIEST SNOWFALL WILL DEVELOP QUICKLY
AFTER ONSET AND LAST FOR AROUND SIX HOURS BEFORE DIMINISHING
SOMEWHAT LATER THURSDAY NIGHT.

LIGHT SNOW WILL STILL PERSIST INTO FRIDAY HOWEVER BEFORE COMING
TO AN END ALTOGETHER LATER IN THE DAY. THE SNOW MAY ALSO MIX
WITH LIGHT FREEZING RAIN OVER SOUTHEAST IOWA THURSDAY NIGHT WITH
A MINOR COATING OF ICE ON TOP OF THE SNOW POSSIBLE.

* STORM TOTAL SNOW ACCUMULATIONS…SNOW ACCUMULATIONS WILL RANGE
FROM 6 TO 9 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY…EASTERLY WINDS WILL INCREASE TO 15 TO 25 MPH
WITH HIGHER GUSTS BY LATE THURSDAY AFTERNOON…THEN DIMINISH
LATER THURSDAY NIGHT. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR
COINCIDENT WITH THE STRONGEST WINDS WILL REDUCE VISIBILITY TO
ONE QUARTER MILE OR LESS FOR SEVERAL HOURS.

* IMPACTS…CONDITIONS WILL DETERIORATE VERY RAPIDLY AS THE SNOW
MOVES IN THURSDAY AFTERNOON. AT THE ONSET…VISIBILITY OF LESS
THAN ONE QUARTER MILE AT TIMES CAN BE EXPECTED. TRAVEL WILL
BECOME HAZARDOUS DUE TO POOR VISIBILITY AND THE ROADS RAPIDLY
BECOMING ICY AND SNOW PACKED.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL…KEEP AN EXTRA
FLASHLIGHT…FOOD…AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$