HAZARDOUS WEATHER OUTLOOK
Issue Date: 942 PM CST TUE DEC 08 2009
Expiration: 930 PM CST WED DEC 09 2009 Expires:200912100330;;
FLUS43 KDMX 090322 AAA
HWODMX
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
922 PM CST TUE DEC 8 2009
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-100330-
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-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-
922 PM CST TUE DEC 8 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.
.DAY ONE...TONIGHT
A BLIZZARD WARNING IS IN EFFECT OVERNIGHT. PLEASE REFER TO THE
NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR
FURTHER DETAILS.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
A BLIZZARD WARNING REMAINS IN EFFECT FOR THE AREA WEDNESDAY.
THOUGH THE SNOWFALL WILL BE LIGHT AND DIMINISH DURING THE DAY...STRONG
WIND GUSTS WILL LIKELY REACH 45 TO 55 MPH PRODUCING WHITE OUT BLIZZARD
CONDITIONS...ESPECIALLY IN OPEN AREAS. WIND CHILLS WILL
DROP TO FROM 5 BELOW TO 20 BELOW ZERO WITH DANGEROUS LIFE
THREATENING CONDITIONS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER REPORTS OF SNOWFALL AND OTHER WINTER WEATHER IMPACTS
WOULD BE GREATLY APPRECIATED TODAY THROUGH WEDNESDAY.
$$
BLIZZARD WARNING
Issue Date: 149 PM CST TUE DEC 08 2009
Expiration: 600 PM CST WED DEC 09 2009 ...AN EPIC AND EXTREMELY DANGEROUS WINTER STORM TODAY THROUGH
WEDNESDAY...
.INTENSE LOW PRESSURE OVER THE SOUTHERN ROCKIES WILL PUSH ACROSS
THE SOUTHERN PLAINS BY TONIGHT...AND CONTINUE TO TRACK EAST
NORTHEAST THROUGH THE MIDWEST AND INTO THE GREAT LAKES REGION.
THIS SYSTEM WILL IMPACT CENTRAL IOWA FOR A SIGNIFICANT AMOUNT OF
TIME. HEAVY SNOW THROUGH TONIGHT ALONG WITH STRONG NORTH TO
NORTHWEST WINDS DEVELOPING BY LATE TONIGHT ARE EXPECTED TO
PRODUCE BLIZZARD CONDITIONS TONIGHT INTO WEDNESDAY ACROSS ALL OF
CENTRAL IOWA.
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-090400-
/O.CON.KDMX.WS.W.0007.000000T0000Z-091209T0300Z/
/O.CON.KDMX.BZ.W.0003.091209T0300Z-091210T0000Z/
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-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-
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...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
149 PM CST TUE DEC 8 2009
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
6 PM CST WEDNESDAY...
A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. A BLIZZARD WARNING REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 6 PM CST WEDNESDAY.
* SHORT TERM TRENDS: A BAND OF MODERATE SNOW WILL AFFECT CENTRAL
IOWA FROM INTERSTATE 80 TO HIGHWAY 20 THROUGH THE REST OF THE
AFTERNOON. THE SNOWFALL INTENSITY WILL RANGE FROM 1 TO 2 INCHES
PER HOUR DURING THE REMAINDER OF THE AFTERNOON THROUGH TONIGHT.
AN ADDITIONAL 3 TO 5 INCHES OF NEW SNOW IS EXPECTED THROUGH
SUNSET TONIGHT ACROSS MUCH OF THE AREA. VISIBILITY WILL DROP TO
LESS THAN A ONE HALF MILE AT TIMES THIS AFTERNOON AND TONIGHT. A
MIX OF SLEET...SNOW AND FREEZING RAIN IS EXPECTED ACROSS THE
FAR SOUTHEAST PORTIONS OF THE WARNING AREA THROUGH THE REMAINDER
OF THE AFTERNOON HOURS.
* STORM TOTAL ACCUMULATIONS: SNOW ACCUMULATIONS OF 10 TO 15 INCHES
ARE ANTICIPATED FOR MUCH OF CENTRAL IOWA. THE BEST THREAT FOR
RECEIVING OVER A FOOT OF SNOW IS GENERALLY SOUTH OF HIGHWAY 20.
ISOLATED AMOUNTS UP TO 16 INCHES ARE FORECAST BETWEEN HIGHWAY 34
AND HIGHWAY 30 BY WEDNESDAY MORNING.
* WINDS/VISIBILITY: EAST TO NORTHEAST WINDS AT 15 TO 25 MPH ARE
EXPECTED THROUGH THE EVENING HOURS BEFORE SHIFTING NORTH TO
NORTHWEST AND INCREASING BY LATE THIS EVENING. LOOK FOR
VISIBILITY TO BE REDUCED TO LESS THAN A ONE HALF MILE AT TIMES
THIS AFTERNOON AND TONIGHT. NORTH TO NORTHWEST OF 25 TO 35
MPH...WITH GUSTS GREATER THAN 50 MPH ARE EXPECTED OVERNIGHT
TONIGHT INTO WEDNESDAY...PRODUCING VISIBILITY LESS THAN ONE
QUARTER OF A MILE WITH WHITE OUT CONDITIONS AT TIMES.
* IMPACTS: SIGNIFICANT TRAVEL CONCERNS ARE EXPECTED WITH THIS
DANGEROUS WINTER STORM...ESPECIALLY DURING THE AFTERNOON HOURS
AND TOWARDS RUSH HOUR TONIGHT. IN ADDITION TO THE HEAVY SNOW
ACCUMULATING ON ROADWAYS...VERY STRONG NORTH TO NORTHWEST
WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING OF SNOW AND
WHITEOUT CONDITIONS LATE TONIGHT INTO WEDNESDAY...LEADING TO
THE POTENTIAL FOR MAJOR TRAVEL IMPACTS AND ROAD CLOSURES. SNOW
DRIFTS OF 8 TO 15 FEET ARE POSSIBLE BY WEDNESDAY. THE
POTENTIAL FOR POWER OUTAGES EXIST AS WELL WITH THE VERY STRONG
WINDS. WIND CHILL READINGS ON WEDNESDAY WILL RANGE FROM 10 TO
20 BELOW ZERO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.
A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND BLOWING 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.
$$
PODRAZIK
BLIZZARD WATCH
Issue Date: 342 PM CST MON DEC 07 2009
Expiration: 600 PM CST WED DEC 09 2009 ...SIGNIFICANT AND POTENTIALLY DANGEROUS WINTER STORM LIKELY LATE
TONIGHT THROUGH WEDNESDAY...
.LOW PRESSURE IS FORECAST TO MOVE OUT OF THE SOUTHERN ROCKIES AND
PUSH ACROSS THE SOUTHERN PLAINS INTO THE MIDWEST AND GREAT LAKES
REGION FROM LATE TONIGHT INTO WEDNESDAY...IMPACTING CENTRAL IOWA
FOR A SIGNIFICANT AMOUNT OF TIME. THE SURFACE LOW IS EXPECTED TO
INTENSIFY AS IT TRAVELS EAST DURING THE DAY TUESDAY INTO TUESDAY
EVENING...PLACING CENTRAL IOWA IN THE POSITION TO RECEIVE HEAVY
SNOW. LATE TUESDAY NIGHT THROUGH WEDNESDAY...AS THE SURFACE LOW
PULLS EAST...NORTH TO NORTHWEST WINDS ARE LIKELY TO INCREASE AND
POTENTIALLY PRODUCE BLIZZARD CONDITIONS ACROSS IOWA.
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-080545-
/O.UPG.KDMX.WS.A.0006.091208T0600Z-091210T0000Z/
/O.NEW.KDMX.WS.W.0007.091208T1200Z-091209T1800Z/
/O.NEW.KDMX.BZ.A.0003.091209T0300Z-091210T0000Z/
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-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-
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...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
342 PM CST MON DEC 7 2009
...WINTER STORM WARNING IN EFFECT FROM 6 AM TUESDAY TO NOON CST
WEDNESDAY...
...BLIZZARD WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 6 AM TUESDAY TO NOON CST WEDNESDAY. A BLIZZARD WATCH
HAS ALSO BEEN ISSUED. THIS BLIZZARD WATCH IS IN EFFECT FROM
TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.
* TIMING: LOOK FOR LIGHT SNOW TO DEVELOP OVER MUCH OF IOWA AFTER
MIDNIGHT TONIGHT SPREADING NORTH AND EAST TOWARDS THE MORNING
HOURS TUESDAY. A LONG DURATION OF LIGHT TO MODERATE SNOW IS
EXPECTED LATE TONIGHT THROUGH MIDDAY TUESDAY...BEFORE THE
SNOWFALL INTENSIFIES TUESDAY AFTERNOON AND INTO THE EVENING
HOURS. THE ACCUMULATING SNOWFALL WILL DIMINISH DURING THE
OVERNIGHT HOURS TUESDAY NIGHT INTO WEDNESDAY MORNING...WITH SOME
LINGERING SNOW ACROSS THE NORTHEAST PORTION OF THE AREA POSSIBLE
THROUGH MIDDAY WEDNESDAY. BLIZZARD CONDITIONS ARE POSSIBLE LATE
TUESDAY NIGHT THROUGH WEDNESDAY.
* STORM TOTAL ACCUMULATIONS: SNOW ACCUMULATIONS OF 8 TO 12 INCHES
ARE ANTICIPATED BEGINNING LATE TONIGHT THROUGH LATE TUESDAY
NIGHT. THE HEAVIEST SNOWFALL ACCUMULATIONS ARE FORECAST DURING
THE AFTERNOON HOURS TUESDAY AND INTO TUESDAY EVENING WHEN THE
BULK OF THE SNOW ACCUMULATIONS WILL OCCUR. THERE IS A POTENTIAL
FOR LOCALIZED AREAS RECEIVING OVER A FOOT OF SNOW SOUTH OF
HIGHWAY 20.
* WINDS/VISIBILITY: NORTH TO NORTHWEST WINDS OF 25 TO 35
MPH...WITH GUSTS AROUND 45 MPH...ARE EXPECTED TO DEVELOP LATE
TUESDAY NIGHT...AND CONTINUE INTO WEDNESDAY. VISIBILITY LATE
TUESDAY THROUGH WEDNESDAY MAY BE LESS THAN ONE QUARTER MILE DUE
TO BLOWING SNOW.
* IMPACTS: SIGNIFICANT TRAVEL CONCERNS ARE EXPECTED WITH THIS
MAJOR WINTER STORM...LIKELY BEGINNING BY TUESDAY AFTERNOON AND
PERSISTING INTO TUESDAY EVENING DURING THE HEAVIEST SNOWFALL
ACCUMULATION PERIOD. IN ADDITION TO THE HEAVY SNOW ACCUMULATING
ON ROADWAYS...STRONG NORTH TO NORTHWEST WINDS WILL CAUSE
SIGNIFICANT BLOWING AND DRIFTING OF SNOW AND NEAR WHITEOUT
CONDITIONS LATE TUESDAY NIGHT INTO WEDNESDAY...LEADING TO THE
POTENTIAL FOR MAJOR TRAVEL IMPACTS AND ROAD CLOSURES. SNOW
DRIFTS OF 8 TO 12 FEET ARE POSSIBLE BY WEDNESDAY. WIND CHILL
READINGS ON WEDNESDAY WILL RANGE FROM 10 TO 20 BELOW ZERO.
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 AND BLOWING 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.
A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.
$$
PODRAZIK/MOYER
WINTER STORM WARNING
Issue Date: 342 PM CST MON DEC 07 2009
Expiration: 1200 PM CST WED DEC 09 2009 ...SIGNIFICANT AND POTENTIALLY DANGEROUS WINTER STORM LIKELY LATE
TONIGHT THROUGH WEDNESDAY...
.LOW PRESSURE IS FORECAST TO MOVE OUT OF THE SOUTHERN ROCKIES AND
PUSH ACROSS THE SOUTHERN PLAINS INTO THE MIDWEST AND GREAT LAKES
REGION FROM LATE TONIGHT INTO WEDNESDAY...IMPACTING CENTRAL IOWA
FOR A SIGNIFICANT AMOUNT OF TIME. THE SURFACE LOW IS EXPECTED TO
INTENSIFY AS IT TRAVELS EAST DURING THE DAY TUESDAY INTO TUESDAY
EVENING...PLACING CENTRAL IOWA IN THE POSITION TO RECEIVE HEAVY
SNOW. LATE TUESDAY NIGHT THROUGH WEDNESDAY...AS THE SURFACE LOW
PULLS EAST...NORTH TO NORTHWEST WINDS ARE LIKELY TO INCREASE AND
POTENTIALLY PRODUCE BLIZZARD CONDITIONS ACROSS IOWA.
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-080545-
/O.UPG.KDMX.WS.A.0006.091208T0600Z-091210T0000Z/
/O.NEW.KDMX.WS.W.0007.091208T1200Z-091209T1800Z/
/O.NEW.KDMX.BZ.A.0003.091209T0300Z-091210T0000Z/
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-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-
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...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
342 PM CST MON DEC 7 2009
...WINTER STORM WARNING IN EFFECT FROM 6 AM TUESDAY TO NOON CST
WEDNESDAY...
...BLIZZARD WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 6 AM TUESDAY TO NOON CST WEDNESDAY. A BLIZZARD WATCH
HAS ALSO BEEN ISSUED. THIS BLIZZARD WATCH IS IN EFFECT FROM
TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.
* TIMING: LOOK FOR LIGHT SNOW TO DEVELOP OVER MUCH OF IOWA AFTER
MIDNIGHT TONIGHT SPREADING NORTH AND EAST TOWARDS THE MORNING
HOURS TUESDAY. A LONG DURATION OF LIGHT TO MODERATE SNOW IS
EXPECTED LATE TONIGHT THROUGH MIDDAY TUESDAY...BEFORE THE
SNOWFALL INTENSIFIES TUESDAY AFTERNOON AND INTO THE EVENING
HOURS. THE ACCUMULATING SNOWFALL WILL DIMINISH DURING THE
OVERNIGHT HOURS TUESDAY NIGHT INTO WEDNESDAY MORNING...WITH SOME
LINGERING SNOW ACROSS THE NORTHEAST PORTION OF THE AREA POSSIBLE
THROUGH MIDDAY WEDNESDAY. BLIZZARD CONDITIONS ARE POSSIBLE LATE
TUESDAY NIGHT THROUGH WEDNESDAY.
* STORM TOTAL ACCUMULATIONS: SNOW ACCUMULATIONS OF 8 TO 12 INCHES
ARE ANTICIPATED BEGINNING LATE TONIGHT THROUGH LATE TUESDAY
NIGHT. THE HEAVIEST SNOWFALL ACCUMULATIONS ARE FORECAST DURING
THE AFTERNOON HOURS TUESDAY AND INTO TUESDAY EVENING WHEN THE
BULK OF THE SNOW ACCUMULATIONS WILL OCCUR. THERE IS A POTENTIAL
FOR LOCALIZED AREAS RECEIVING OVER A FOOT OF SNOW SOUTH OF
HIGHWAY 20.
* WINDS/VISIBILITY: NORTH TO NORTHWEST WINDS OF 25 TO 35
MPH...WITH GUSTS AROUND 45 MPH...ARE EXPECTED TO DEVELOP LATE
TUESDAY NIGHT...AND CONTINUE INTO WEDNESDAY. VISIBILITY LATE
TUESDAY THROUGH WEDNESDAY MAY BE LESS THAN ONE QUARTER MILE DUE
TO BLOWING SNOW.
* IMPACTS: SIGNIFICANT TRAVEL CONCERNS ARE EXPECTED WITH THIS
MAJOR WINTER STORM...LIKELY BEGINNING BY TUESDAY AFTERNOON AND
PERSISTING INTO TUESDAY EVENING DURING THE HEAVIEST SNOWFALL
ACCUMULATION PERIOD. IN ADDITION TO THE HEAVY SNOW ACCUMULATING
ON ROADWAYS...STRONG NORTH TO NORTHWEST WINDS WILL CAUSE
SIGNIFICANT BLOWING AND DRIFTING OF SNOW AND NEAR WHITEOUT
CONDITIONS LATE TUESDAY NIGHT INTO WEDNESDAY...LEADING TO THE
POTENTIAL FOR MAJOR TRAVEL IMPACTS AND ROAD CLOSURES. SNOW
DRIFTS OF 8 TO 12 FEET ARE POSSIBLE BY WEDNESDAY. WIND CHILL
READINGS ON WEDNESDAY WILL RANGE FROM 10 TO 20 BELOW ZERO.
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 AND BLOWING 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.
A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.
$$
PODRAZIK/MOYER
WINTER STORM WATCH
Issue Date: 334 PM CST SUN DEC 06 2009
Expiration: 600 PM CST WED DEC 09 2009 ...SIGNIFICANT AND POTENTIALLY DANGEROUS WINTER STORM LIKELY
LATE MONDAY NIGHT THROUGH WEDNESDAY...
.A QUICK MOVING WINTER WEATHER SYSTEM WILL BRING LIGHT TO MODERATE
SNOWFALL TO MUCH OF CENTRAL IOWA TONIGHT...BUT ITS IMPACTS WILL PALE
IN COMPARISON TO THE WINTER STORM THAT IS LIKELY ACROSS THE
REGION LATE MONDAY NIGHT THROUGH WEDNESDAY. SURFACE LOW PRESSURE
WILL CROSS THE SOUTH CENTRAL ROCKIES MONDAY NIGHT...THEN
STRENGTHEN SIGNIFICANTLY WHILE CURVING NORTHEAST TO THE SOUTHERN
GREAT LAKES REGION BY WEDNESDAY MORNING. THE FORECAST PATH AND
INTENSITY PUTS CENTRAL IOWA IN THE CROSS HAIRS OF A DANGEROUS
WINTER STORM THAT HAS THE POTENTIAL TO EVENTUALLY PRODUCE BLIZZARD
CONDITIONS FOR PORTIONS OF THE REGION...ESPECIALLY AFTER THE
SNOWFALL HAS ENDED ON WEDNESDAY.
IAZ023-033-034-044>046-057-058-070-071-070545-
/O.NEW.KDMX.WS.A.0006.091208T0600Z-091210T0000Z/
/O.CON.KDMX.WW.Y.0022.000000T0000Z-091207T0900Z/
POCAHONTAS-SAC-CALHOUN-CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-
CASS-ADAIR-
INCLUDING THE CITIES OF...POCAHONTAS...SAC CITY...ROCKWELL CITY...
DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER...
ATLANTIC...GREENFIELD
334 PM CST SUN DEC 6 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
MONDAY...
...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
WEDNESDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
WEDNESDAY AFTERNOON. A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN
EFFECT UNTIL 3 AM CST MONDAY.
* SHORT TERM TRENDS: LIGHT SNOW WILL MOVE NORTHEAST ACROSS THE
REGION BY 6 PM...WITH SOME LIGHT ACCUMULATIONS OCCURRING.
* TIMING: LIGHT TO MODERATE SNOWFALL CAN BE EXPECTED BETWEEN 6 PM
AND MIDNIGHT TONIGHT. SNOWFALL WILL DIMINISH IN INTENSITY AFTER
MIDNIGHT AND END FOR MOST AREAS BY 3 AM MONDAY MORNING. A MORE
SIGNIFICANT AND POTENTIALLY DANGEROUS WINTER STORM IS LIKELY
LATE MONDAY NIGHT THROUGH WEDNESDAY.
* STORM TOTAL ACCUMULATIONS: SNOW ACCUMULATIONS OF 2 TO 4 INCHES
ARE EXPECTED TONIGHT WITH HIGHEST AMOUNTS FROM ATLANTIC TO
DENISON AND ROCKWELL CITY. SNOW ACCUMULATIONS OF 8 TO 12 INCHES
ARE LIKELY WITH THE WINTER STORM MONDAY NIGHT THROUGH EARLY
WEDNESDAY.
* WINDS/VISIBILITY: NORTH TO NORTHWEST WINDS OF 25 TO 35 MPH WITH
GUSTS AROUND 45 MPH ARE LIKELY BY LATE TUESDAY NIGHT AND
CONTINUING THROUGH WEDNESDAY. VISIBILITY RESTRICTIONS LATE
TUESDAY THROUGH WEDNESDAY COULD BE LESS THAN ONE QUARTER MILE IN
BLOWING SNOW.
* IMPACTS: SINCE PAVEMENT AND BRIDGE TEMPERATURES WILL BE BELOW
FREEZING...SLICK TRAVEL CONDITIONS ARE EXPECTED...ESPECIALLY ON
LESS TREATED ROADS AND WALKING SURFACES. THE MONDAY NIGHT
THROUGH WEDNESDAY POTENTIAL WINTER STORM HAS THE CAPABILITY OF
COMBINING HEAVY SNOWFALL WITH STRONG WINDS TO CREATE NEAR
BLIZZARD CONDITIONS...ESPECIALLY TUESDAY NIGHT. HEAVY SNOW
ACCUMULATIONS ALONE WOULD SIGNIFICANTLY IMPACT TRAVEL AND LIKELY
RESULT IN ROAD CLOSURES. EVEN AFTER THE SNOWFALL ENDS WEDNESDAY
MORNING...THE STRONG GUSTY WINDS HAVE THE POTENTIAL TO PRODUCE
CONSIDERABLE BLOWING AND DRIFTING SNOW AND NEAR WHITEOUT
CONDITIONS THROUGH THE DAY WEDNESDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING.
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS...IN THIS CASE HEAVY SNOW AND
STRONG WINDS...THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.
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