Alert archive / Iowa / Blizzard Watches in 2016

Blizzard Watch 1, NWS Des Moines, IA

January 31, 201639 counties in Iowa

NWS Des Moines, IA issued this blizzard watch at Jan 31, 2016, 3:48 AM CST for 39 counties in Iowa. It took effect at Feb 2, 2016, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 31, 2016, 3:48 AM CST (09:48 UTC)
In effect from
Feb 2, 2016, 12:00 AM CST
Expired
Feb 1, 2016, 4:21 AM CST
In force
Issued by
NWS Des Moines, IA
All 39 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Crawford County, IA, Dallas County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Madison County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Sac County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 57 km from the middle of the area, began a volume at 09:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 9.8 hours before the alert went out and 227 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, Omaha, NE at 00:00Z on 2016-01-31Temperature 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, Omaha, NE at 00:00Z on 2016-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
1627 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

404 
WWUS43 KDMX 310948
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
348 AM CST SUN JAN 31 2016

...SIGNIFICANT WINTER STORM TO IMPACT IOWA LATE MONDAY NIGHT
THROUGH TUESDAY NIGHT...

.SNOW IS EXPECTED TO SPREAD NORTH INTO IOWA MONDAY NIGHT AND
BECOME WIDESPREAD TUESDAY AND TUESDAY NIGHT. A BROAD AREA OF 6
INCHES OR MORE OF SNOW IS LIKELY WITH THIS STORM. IN
ADDITION...STRONG AND GUSTY WINDS WITH GUSTS OVER 40 MPH WILL
CREATE CONSIDERABLE BLOWING AND DRIFTING SNOW AND POSSIBLE LEAD TO
A PROLONGED PERIOD OF NEAR WHITEOUT CONDITIONS...ESPECIALLY IN
RURAL AREAS. SOME UNCERTAINTY REMAINS ALONG THE SOUTHEAST EDGE OF
THE WATCH INTO SOUTHEAST IOWA PENDING ANY POTENTIAL SHIFTS IN THE
TRACK OF THE STORM AS THE HEAVY SNOW BAND WILL DEVELOP JUST WEST
OF THE RAIN AND SNOW LINE.

IAZ004>007-015>017-023>028-033>039-044>050-057>061-070>073-081-
082-092-311800-
/O.NEW.KDMX.BZ.A.0001.160202T0900Z-160203T1200Z/
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-CASS-
ADAIR-MADISON-WARREN-ADAMS-UNION-TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...SAC CITY...
LAKE VIEW...ODEBOLT...WALL LAKE...SCHALLER...EARLY...
ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...FORT DODGE...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...
TAMA...TOLEDO...TRAER...DYSART...GLADBROOK...AUDUBON...EXIRA...
GUTHRIE CENTER...PANORA...BAYARD...CASEY...PERRY...WAUKEE...
ADEL...DES MOINES...NEWTON...ATLANTIC...GREENFIELD...STUART...
ADAIR...FONTANELLE...WINTERSET...EARLHAM...INDIANOLA...NORWALK...
CARLISLE...CORNING...CRESTON...BEDFORD...LENOX...NEW MARKET
348 AM CST SUN JAN 31 2016

...BLIZZARD WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT. 

* TIMING...SNOW WILL LIFT INTO THE AREA LATE MONDAY NIGHT INTO
  TUESDAY MORNING. A BRIEF BREAK IN THE SNOW MAY OCCUR BEFORE
  RESUMING TUESDAY AFTERNOON AND NIGHT. A PERIOD OF VERY HEAVY
  SNOW MAY OCCUR WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR
  POSSIBLE. STRONG AND GUSTY NORTHEAST WINDS WILL DEVELOP BY
  TUESDAY AND WILL CREATE CONSIDERABLE BLOWING AND DRIFTING OF
  SNOW AND POTENTIAL WHITEOUT CONDITIONS.

* STORM TOTAL SNOW...STORM TOTAL SNOW ACCUMULATIONS OF 6 TO 12
  INCHES ARE EXPECTED WITHIN THE HEAVIEST BAND OF SNOW. 

* WINDS/VISIBILITY...NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS IN
  EXCESS OF 40 MPH. VISIBILITIES IN SNOW AND BLOWING SNOW WILL BE
  BELOW ONE QUARTER MILE WITH WHITEOUT CONDITIONS POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS MAY DEVELOP.
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. IF YOU HAVE TRAVEL
  PLANS DURING THIS TIME...CONSIDER ALTERNATIVE PLANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
4 follow-up statements
523 
WWUS43 KDMX 311620
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1020 AM CST SUN JAN 31 2016

...SIGNIFICANT WINTER STORM TO IMPACT IOWA LATE MONDAY NIGHT
THROUGH TUESDAY NIGHT...

.SNOW WILL SPREAD INTO IOWA MONDAY NIGHT AND BECOME WIDESPREAD ON
TUESDAY MORNING WITH A BROAD SWATH OF 6 INCHES OR MORE FALLING.
STRONG WINDS WITH GUSTS OVER 40 MPH AT TIMES WILL BLOW AND DRIFT
THE SNOW...PRODUCING PERIODS OF NEAR WHITEOUT CONDITIONS
ESPECIALLY IN RURAL AREAS. SOME UNCERTAINTY REMAINS ALONG THE
SOUTHEAST EDGE OF THE WATCH PENDING ANY POTENTIAL SHIFTS IN STORM
TRACK...AS THE HEAVY SNOW BAND WILL DEVELOP JUST WEST OF THE
RAIN/SNOW LINE.

IAZ004>007-015>017-023>028-033>039-044>050-057>061-070>073-081-
082-092-010030-
/O.CON.KDMX.BZ.A.0001.160202T0900Z-160203T1200Z/
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-CASS-
ADAIR-MADISON-WARREN-ADAMS-UNION-TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...SAC CITY...
LAKE VIEW...ODEBOLT...WALL LAKE...SCHALLER...EARLY...
ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...FORT DODGE...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...
TAMA...TOLEDO...TRAER...DYSART...GLADBROOK...AUDUBON...EXIRA...
GUTHRIE CENTER...PANORA...BAYARD...CASEY...PERRY...WAUKEE...
ADEL...DES MOINES...NEWTON...ATLANTIC...GREENFIELD...STUART...
ADAIR...FONTANELLE...WINTERSET...EARLHAM...INDIANOLA...NORWALK...
CARLISLE...CORNING...CRESTON...BEDFORD...LENOX...NEW MARKET
1020 AM CST SUN JAN 31 2016

...BLIZZARD WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT
THROUGH LATE TUESDAY NIGHT...

* TIMING...SNOW WILL SPREAD IN ON MONDAY NIGHT AND TUESDAY
  MORNING...POSSIBLY STOPPING OR CHANGING TO RAIN TOWARD CENTRAL
  IOWA IN THE AFTERNOON...THEN SNOWING AGAIN BY EVENING. A PERIOD
  OF VERY HEAVY SNOW MAY OCCUR WITH SNOWFALL RATES OF 1 TO 2
  INCHES PER HOUR POSSIBLE. THE STRONGEST WINDS WILL OCCUR FROM
  TUESDAY AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED
  WITHIN THE BAND OF HEAVIEST SNOW.

* WINDS/VISIBILITY...NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS IN
  EXCESS OF 40 MPH. VISIBILITIES BELOW ONE QUARTER MILE WITH
  WHITEOUT CONDITIONS POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP.
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE RECONSIDER
  ANY TRAVEL PLANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

LEE
851 
WWUS43 KDMX 312119
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
319 PM CST SUN JAN 31 2016

...SIGNIFICANT WINTER STORM TO IMPACT IOWA LATE MONDAY NIGHT
THROUGH TUESDAY NIGHT...

.SNOW WILL SPREAD INTO IOWA MONDAY NIGHT AND TUESDAY MORNING WITH
A BROAD SWATH OF 6 INCHES OR MORE FALLING. THIS WILL IMPACT THE
MORNING COMMUTE IN MANY AREAS. STRONG WINDS WITH GUSTS OVER 40
MPH ARE LIKELY FROM THE AFTERNOON ONWARD...AND WILL BLOW AND
DRIFT THE SNOW PRODUCING PERIODS OF NEAR WHITEOUT CONDITIONS
ESPECIALLY IN RURAL AREAS NORTH AND WEST OF DES MOINES.

IAZ049-050-060-061-072-073-082-092-010530-
/O.CAN.KDMX.BZ.A.0001.160202T0900Z-160203T1200Z/
/O.NEW.KDMX.WS.A.0001.160202T0600Z-160203T1200Z/
MARSHALL-TAMA-POLK-JASPER-MADISON-WARREN-UNION-TAYLOR-
INCLUDING THE CITIES OF...MARSHALLTOWN...TAMA...TOLEDO...TRAER...
DYSART...GLADBROOK...DES MOINES...NEWTON...WINTERSET...EARLHAM...
INDIANOLA...NORWALK...CARLISLE...CRESTON...BEDFORD...LENOX...
NEW MARKET
319 PM CST SUN JAN 31 2016

...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
LATE TUESDAY NIGHT...
...BLIZZARD WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
LATE TUESDAY NIGHT. THE BLIZZARD WATCH HAS BEEN CANCELLED. 

* TIMING...SNOW WILL SPREAD IN LATE MONDAY NIGHT THROUGH TUESDAY
  MORNING...BECOME LIGHT OR POSSIBLY STOP IN THE AFTERNOON...THEN
  PICK UP AGAIN WITH INCREASING WINDS BY THE EVENING. A PERIOD OF
  VERY HEAVY SNOW MAY OCCUR AROUND THE MORNING COMMUTE WITH
  SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE. THE
  STRONGEST WINDS WILL THEN OCCUR FROM TUESDAY AFTERNOON INTO
  TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 9 INCHES ARE EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 30
  MPH WITH GUSTS IN EXCESS OF 40 MPH AT TIMES. VISIBILITIES AROUND
  A QUARTER MILE IN TIMES OF HEAVY SNOWFALL OR STRONG WINDS.

* IMPACTS...VERY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. TRAVEL
  MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE RECONSIDER ANY
  TRAVEL PLANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

IAZ062-074-083-010530-
/O.NEW.KDMX.WS.A.0001.160202T0600Z-160203T1200Z/
POWESHIEK-MARION-CLARKE-
INCLUDING THE CITIES OF...GRINNELL...PELLA...KNOXVILLE...OSCEOLA
319 PM CST SUN JAN 31 2016

...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
LATE TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
LATE TUESDAY NIGHT. 

* TIMING...SNOW WILL SPREAD IN LATE MONDAY NIGHT THROUGH TUESDAY
  MORNING...BECOME LIGHT OR POSSIBLY STOP IN THE AFTERNOON...THEN
  PICK UP AGAIN WITH INCREASING WINDS BY THE EVENING. A PERIOD OF
  VERY HEAVY SNOW MAY OCCUR AROUND THE MORNING COMMUTE WITH
  SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE. THE
  STRONGEST WINDS WILL THEN OCCUR FROM TUESDAY AFTERNOON INTO
  TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 5 TO 7 INCHES ARE EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 30
  MPH WITH GUSTS IN EXCESS OF 40 MPH AT TIMES. VISIBILITIES AROUND
  A QUARTER MILE IN TIMES OF HEAVY SNOWFALL OR STRONG WINDS.

* IMPACTS...VERE HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. TRAVEL
  MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE RECONSIDER ANY
  TRAVEL PLANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

IAZ033>039-044>048-057>059-070-071-081-010530-
/O.EXT.KDMX.BZ.A.0001.160202T0600Z-160203T1200Z/
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-
ADAMS-
INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT...
WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON...
LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS...
ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE...
WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL...
JEFFERSON...BOONE...AMES...AUDUBON...EXIRA...GUTHRIE CENTER...
PANORA...BAYARD...CASEY...PERRY...WAUKEE...ADEL...ATLANTIC...
GREENFIELD...STUART...ADAIR...FONTANELLE...CORNING
319 PM CST SUN JAN 31 2016

...BLIZZARD WATCH NOW IN EFFECT FROM LATE MONDAY NIGHT THROUGH
LATE TUESDAY NIGHT...

* TIMING...SNOW WILL SPREAD IN ON MONDAY NIGHT AND TUESDAY MORNING
  AND CONTINUE INTO THE EVENING. A PERIOD OF VERY HEAVY SNOW MAY
  OCCUR AROUND THE MORNING COMMUTE WITH SNOWFALL RATES OF 1 TO 2
  INCHES PER HOUR POSSIBLE. THE STRONGEST WINDS WILL THEN OCCUR
  FROM TUESDAY AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 35
  MPH WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE
  QUARTER MILE WITH WHITEOUT CONDITIONS POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

IAZ004>007-015>017-023>028-010530-
/O.EXT.KDMX.BZ.A.0001.160202T1200Z-160203T1200Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY
319 PM CST SUN JAN 31 2016

...BLIZZARD WATCH NOW IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

* TIMING...SNOW WILL SPREAD IN ON TUESDAY MORNING AND CONTINUE
  INTO TUESDAY NIGHT. A PERIOD OF HEAVY SNOW MAY OCCUR AROUND THE
  MORNING COMMUTE WITH SNOWFALL RATES OF AROUND AN INCH PER HOUR
  POSSIBLE. THE STRONGEST WINDS WILL THEN OCCUR FROM TUESDAY
  AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 35
  MPH WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE
  QUARTER MILE WITH WHITEOUT CONDITIONS POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP.
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE RECONSIDER
  ANY TRAVEL PLANS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

LEE
206 
WWUS43 KDMX 010317
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
917 PM CST SUN JAN 31 2016

...SIGNIFICANT WINTER STORM TO IMPACT IOWA LATE MONDAY NIGHT
THROUGH TUESDAY NIGHT...

.SNOW WILL SPREAD INTO IOWA MONDAY NIGHT AND TUESDAY MORNING WITH
A BROAD SWATH OF 6 INCHES OR MORE FALLING. THIS WILL IMPACT THE
MORNING COMMUTE IN MANY AREAS. STRONG WINDS WITH GUSTS OVER
40 MPH ARE LIKELY FROM THE AFTERNOON ONWARD...AND WILL BLOW AND
DRIFT THE SNOW PRODUCING PERIODS OF NEAR WHITEOUT CONDITIONS
ESPECIALLY IN RURAL AREAS NORTH AND WEST OF DES MOINES.

IAZ033>039-044>048-057>059-070-071-081-011130-
/O.CON.KDMX.BZ.A.0001.160202T0600Z-160203T1200Z/
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-
ADAMS-
INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT...
WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON...
LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS...
ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE...
WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL...
JEFFERSON...BOONE...AMES...AUDUBON...EXIRA...GUTHRIE CENTER...
PANORA...BAYARD...CASEY...PERRY...WAUKEE...ADEL...ATLANTIC...
GREENFIELD...STUART...ADAIR...FONTANELLE...CORNING
917 PM CST SUN JAN 31 2016

...BLIZZARD WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT
THROUGH LATE TUESDAY NIGHT...

* TIMING...SNOW WILL SPREAD IN ON MONDAY NIGHT AND TUESDAY MORNING
  AND CONTINUE INTO THE EVENING. A PERIOD OF VERY HEAVY SNOW MAY
  OCCUR AROUND THE TUESDAY MORNING COMMUTE WITH SNOWFALL RATES OF
  1 TO 2 INCHES PER HOUR POSSIBLE. THE STRONGEST WINDS WILL THEN
  OCCUR FROM TUESDAY AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 12 INCHES ARE 
  EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 35 
  MPH WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE 
  QUARTER MILE WITH WHITEOUT CONDITIONS POSSIBLE. 

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

IAZ004>007-015>017-023>028-011130-
/O.CON.KDMX.BZ.A.0001.160202T1200Z-160203T1200Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY
917 PM CST SUN JAN 31 2016

...BLIZZARD WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT...

* TIMING...SNOW WILL SPREAD IN ON TUESDAY MORNING AND CONTINUE
  INTO TUESDAY NIGHT. A PERIOD OF HEAVY SNOW MAY OCCUR AROUND THE
  TUESDAY MORNING COMMUTE WITH SNOWFALL RATES OF AROUND AN INCH
  PER HOUR POSSIBLE. THE STRONGEST WINDS WILL THEN OCCUR FROM
  TUESDAY AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 12 INCHES ARE 
  EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 35 
  MPH WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE 
  QUARTER MILE WITH WHITEOUT CONDITIONS POSSIBLE. 

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

IAZ049-050-060>062-072>074-082-083-092-011130-
/O.CON.KDMX.WS.A.0001.160202T0600Z-160203T1200Z/
MARSHALL-TAMA-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-UNION-
CLARKE-TAYLOR-
INCLUDING THE CITIES OF...MARSHALLTOWN...TAMA...TOLEDO...TRAER...
DYSART...GLADBROOK...DES MOINES...NEWTON...GRINNELL...WINTERSET...
EARLHAM...INDIANOLA...NORWALK...CARLISLE...PELLA...KNOXVILLE...
CRESTON...OSCEOLA...BEDFORD...LENOX...NEW MARKET
917 PM CST SUN JAN 31 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT
THROUGH LATE TUESDAY NIGHT...

* TIMING...SNOW WILL SPREAD IN LATE MONDAY NIGHT THROUGH TUESDAY
  MORNING...BECOME LIGHT OR POSSIBLY STOP IN THE AFTERNOON... THEN
  PICK UP AGAIN WITH INCREASING WINDS BY THE EVENING. A PERIOD OF
  VERY HEAVY SNOW MAY OCCUR AROUND THE TUESDAY MORNING COMMUTE
  WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE. THE
  STRONGEST WINDS WILL THEN OCCUR FROM TUESDAY AFTERNOON INTO
  TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 9 INCHES ARE EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 30 
  MPH WITH GUSTS IN EXCESS OF 40 MPH AT TIMES. VISIBILITIES 
  AROUND A QUARTER MILE IN TIMES OF HEAVY SNOWFALL OR STRONG 
  WINDS. 

* IMPACTS...VERY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

REV
463 
WWUS43 KDMX 011021
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
421 AM CST MON FEB 1 2016

...BLIZZARD CONDITIONS AND HEAVY SNOW TO IMPACT IOWA LATE TONIGHT
THROUGH EARLY WEDNESDAY MORNING...

.SNOW IS FORECAST TO DEVELOP AND SPREAD INTO SOUTHWEST IOWA LATE
TONIGHT AND CONTINUE TO SPREAD NORTHWARD PAST MIDNIGHT. THE
HEAVIEST SNOW IS LIKELY TO FALL DURING THE OVERNIGHT HOURS INTO
THE MID MORNING HOURS TUESDAY FROM SOUTHWEST IOWA TO CENTRAL AND
NORTHERN IOWA. THE STRONGEST WINDS ARE EXPECTED TO DEVELOP AROUND
SUNRISE TUESDAY MORNING AND INCREASE THROUGHOUT THE DAY OUT OF THE
NORTHEAST...THEN SHIFT NORTH BY TUESDAY EVENING. THE HEAVY SNOW
IS ANTICIPATED TO BECOME LIGHT TO LOCALLY MODERATE BY TUESDAY
EVENING. HOWEVER...WITH THE NORTH WINDS OF 25 TO 30 MPH AND GUSTS
TO OVER 40 MPH EXPECTED WITH THE FALLING SNOW...WHITE OUT
CONDITIONS WILL OCCUR THROUGH MUCH OF THE DAY TUESDAY INTO TUESDAY
NIGHT IN THE BLIZZARD WARNING. THERE WILL BE A SHARP CUTOFF FROM
THE RAIN/SNOW LINE IN SOUTH-CENTRAL TO SOUTHEAST IOWA...WHERE
NORTHWEST SECTIONS OF COUNTIES MAY EXCEED SEVERAL INCHES OF SNOW
AND THE SOUTHEAST SECTIONS RECEIVING VERY LITTLE.

IAZ073-074-082-083-092-011130-
/O.CAN.KDMX.WS.A.0001.160202T0600Z-160203T1200Z/
WARREN-MARION-UNION-CLARKE-TAYLOR-
INCLUDING THE CITIES OF...INDIANOLA...NORWALK...CARLISLE...
PELLA...KNOXVILLE...CRESTON...OSCEOLA...BEDFORD...LENOX...
NEW MARKET
421 AM CST MON FEB 1 2016

...WINTER STORM WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE
WINTER STORM WATCH. 

SNOW AND VERY STRONG WINDS ARE STILL FORECAST...BUT ARE NOT
EXPECTED TO EXCEED WINTER STORM CRITERIA AT THIS TIME.

$$

IAZ033>035-044>046-011830-
/O.UPG.KDMX.BZ.A.0001.160202T0600Z-160203T1200Z/
/O.NEW.KDMX.BZ.W.0001.160202T0600Z-160203T1200Z/
SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-GREENE-
INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT...
WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON...
LAKE CITY...POMEROY...FORT DODGE...DENISON...CARROLL...JEFFERSON
421 AM CST MON FEB 1 2016

...BLIZZARD WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST
WEDNESDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* TIMING...SNOW WILL SPREAD ACROSS SOUTHWEST IOWA LATE TONIGHT AND
  BLOSSOM OVER THE AREA DURING THE OVERNIGHT HOURS THROUGH THE
  LATE MORNING TUESDAY. A PERIOD OF VERY HEAVY SNOW IS EXPECTED TO
  OCCUR DURING THE TUESDAY MORNING COMMUTE WITH SNOWFALL RATES OF
  1 TO 2 INCHES PER HOUR. THE STRONGEST WINDS ARE THEN TO DEVELOP
  LATE TUESDAY MORNING INTO THE EVENING.

* STORM TOTAL SNOW...ACCUMULATIONS OF 8 TO 12 INCHES WITH ISOLATED
  HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE QUARTER
  MILE WITH WHITEOUT CONDITIONS LIKELY TO OCCUR.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

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.

&&

$$

IAZ023-011830-
/O.UPG.KDMX.BZ.A.0001.160202T1200Z-160203T1200Z/
/O.NEW.KDMX.BZ.W.0001.160202T0600Z-160203T1200Z/
POCAHONTAS-
INCLUDING THE CITIES OF...POCAHONTAS...LAURENS...ROLFE...FONDA...
GILMORE CITY
421 AM CST MON FEB 1 2016

...BLIZZARD WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST
WEDNESDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* TIMING...SNOW WILL SPREAD ACROSS THE AREA DURING THE OVERNIGHT
  HOURS TONIGHT INTO EARLY TUESDAY MORNING. A PERIOD OF VERY HEAVY
  SNOW IS EXPECTED TO OCCUR DURING THE TUESDAY MORNING COMMUTE
  WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR. THE STRONGEST
  WINDS ARE THEN TO DEVELOP EARLY TUESDAY AFTERNOON AND CONTINUE
  INTO THE EVENING.

* STORM TOTAL SNOW...ACCUMULATIONS OF 8 TO 12 INCHES ARE EXPECTED
  WITH ISOLATED HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE QUARTER
  MILE WITH WHITEOUT CONDITIONS LIKELY TO OCCUR.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

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.

&&

$$

IAZ004>007-015>017-024>026-011830-
/O.UPG.KDMX.BZ.A.0001.160202T1200Z-160203T1200Z/
/O.NEW.KDMX.BZ.W.0001.160202T0900Z-160203T1200Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
HUMBOLDT-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...HUMBOLDT...EAGLE GROVE...
CLARION...BELMOND...HAMPTON
421 AM CST MON FEB 1 2016

...BLIZZARD WARNING IN EFFECT FROM 3 AM TUESDAY TO 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 3 AM TUESDAY TO 6 AM CST
WEDNESDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* TIMING...SNOW WILL SPREAD ACROSS THE AREA DURING THE OVERNIGHT
  HOURS TONIGHT INTO EARLY TUESDAY MORNING. A PERIOD OF VERY HEAVY
  SNOW IS EXPECTED TO OCCUR DURING THE TUESDAY MORNING COMMUTE
  WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR. THE STRONGEST
  WINDS ARE THEN TO DEVELOP EARLY TUESDAY AFTERNOON AND CONTINUE
  INTO THE EVENING.

* STORM TOTAL SNOW...ACCUMULATIONS OF 8 TO 12 INCHES ARE
  EXPECTED.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE QUARTER
  MILE WITH WHITEOUT CONDITIONS LIKELY TO OCCUR.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

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.

&&

$$

IAZ036-011830-
/O.UPG.KDMX.BZ.A.0001.160202T0600Z-160203T1200Z/
/O.NEW.KDMX.BZ.W.0001.160202T0900Z-160203T1200Z/
HAMILTON-
INCLUDING THE CITY OF...WEBSTER CITY
421 AM CST MON FEB 1 2016

...BLIZZARD WARNING IN EFFECT FROM 3 AM TUESDAY TO 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 3 AM TUESDAY TO 6 AM CST
WEDNESDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* TIMING...SNOW WILL SPREAD ACROSS THE AREA DURING THE OVERNIGHT
  HOURS TONIGHT INTO EARLY TUESDAY MORNING. A PERIOD OF VERY HEAVY
  SNOW IS EXPECTED TO OCCUR DURING THE TUESDAY MORNING COMMUTE
  WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR. THE STRONGEST
  WINDS ARE THEN TO DEVELOP EARLY TUESDAY AFTERNOON AND CONTINUE
  INTO THE EVENING.

* STORM TOTAL SNOW...ACCUMULATIONS OF 8 TO 12 INCHES ARE
  FORECAST.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTHWEST 25 TO 35 
  MPH WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW ONE 
  QUARTER MILE WITH WHITEOUT CONDITIONS POSSIBLE. 

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. 
  TRAVEL MAY BECOME NEARLY IMPOSSIBLE AT TIMES. PLEASE 
  RECONSIDER ANY TRAVEL PLANS. 

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.

&&

$$

IAZ047-057>059-070-071-081-011830-
/O.UPG.KDMX.BZ.A.0001.160202T0600Z-160203T1200Z/
/O.NEW.KDMX.WS.W.0001.160202T0600Z-160203T1200Z/
BOONE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-
INCLUDING THE CITIES OF...BOONE...AUDUBON...EXIRA...
GUTHRIE CENTER...PANORA...BAYARD...CASEY...PERRY...WAUKEE...
ADEL...ATLANTIC...GREENFIELD...STUART...ADAIR...FONTANELLE...
CORNING
421 AM CST MON FEB 1 2016

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST WEDNESDAY. THIS REPLACES
THE BLIZZARD WATCH.

* TIMING...SNOW IS FORECAST TO DEVELOP OVER SOUTHERN IOWA LATE
  TONIGHT AND SPREAD NORTHWARD PAST MIDNIGHT INTO THE EARLY
  MORNING HOURS TUESDAY. MODERATE TO HEAVY SNOW IS EXPECTED TO
  CONTINUE THROUGH MUCH OF THE MORNING AND INTO THE AFTERNOON
  HOURS TUESDAY BEFORE DECREASING IN INTENSITY TUESDAY EVENING. A
  PERIOD OF HEAVY SNOW MAY OCCUR DURING THE TUESDAY MORNING
  COMMUTE WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE.
  THE STRONGEST WINDS ARE ANTICIPATED TO DEVELOP TUESDAY
  AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED
  WITH HIGHER AMOUNTS NEAR 12 INCHES POSSIBLE FURTHER NORTH.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW A HALF MILE
  TO EVEN NEAR WHITEOUT CONDITIONS ARE POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL TO NEARLY IMPOSSIBLE AT
  TIMES. PLEASE RECONSIDER ANY TRAVEL PLANS.

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.

ANY REPORTS OF SNOW...SLEET AND FREEZING RAIN ACCUMULATIONS ARE
MUCH APPRECIATED AND CAN BE RELAYED DIRECTLY TO THE NATIONAL
WEATHER SERVICE USING TWITTER HANDLE NWS DES MOINES...HASHTAG
NWSDMX OR POST TO THE NWS DES MOINES FACEBOOK PAGE.

&&

$$

IAZ037>039-048-011830-
/O.UPG.KDMX.BZ.A.0001.160202T0600Z-160203T1200Z/
/O.NEW.KDMX.WS.W.0001.160202T0900Z-160203T1200Z/
HARDIN-GRUNDY-BLACK HAWK-STORY-
INCLUDING THE CITIES OF...IOWA FALLS...ELDORA...ACKLEY...
GRUNDY CENTER...REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...
CEDAR FALLS...AMES
421 AM CST MON FEB 1 2016

...WINTER STORM WARNING IN EFFECT FROM 3 AM TUESDAY TO 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 3 AM TUESDAY TO 6 AM CST WEDNESDAY. THIS REPLACES THE
BLIZZARD WATCH WHICH IS NO LONGER IN EFFECT.

* TIMING...SNOW IS FORECAST TO DEVELOP OVER SOUTHERN IOWA LATE
  TONIGHT AND SPREAD NORTHWARD PAST MIDNIGHT INTO THE EARLY
  MORNING HOURS TUESDAY. MODERATE TO HEAVY SNOW IS EXPECTED TO
  CONTINUE THROUGH MUCH OF THE MORNING AND INTO THE AFTERNOON
  HOURS TUESDAY BEFORE DECREASING IN INTENSITY TUESDAY EVENING. A
  PERIOD OF HEAVY SNOW MAY OCCUR DURING THE TUESDAY MORNING
  COMMUTE WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE.
  THE STRONGEST WINDS ARE ANTICIPATED TO DEVELOP TUESDAY
  AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED
  WITH HIGHER AMOUNTS NEAR 12 INCHES POSSIBLE FURTHER NORTH.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW A HALF MILE
  TO EVEN NEAR WHITEOUT CONDITIONS ARE POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL TO NEARLY IMPOSSIBLE AT
  TIMES. PLEASE RECONSIDER ANY TRAVEL PLANS.


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.


&&

$$

IAZ027-028-011830-
/O.UPG.KDMX.BZ.A.0001.160202T1200Z-160203T1200Z/
/O.NEW.KDMX.WS.W.0001.160202T0900Z-160203T1200Z/
BUTLER-BREMER-
INCLUDING THE CITIES OF...PARKERSBURG...CLARKSVILLE...
SHELL ROCK...GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY
421 AM CST MON FEB 1 2016

...WINTER STORM WARNING IN EFFECT FROM 3 AM TUESDAY TO 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 3 AM TUESDAY TO 6 AM CST WEDNESDAY. THIS REPLACES THE
BLIZZARD WATCH WHICH IS NO LONGER IN EFFECT.

* TIMING...SNOW IS FORECAST TO DEVELOP OVER SOUTHERN IOWA LATE
  TONIGHT AND SPREAD NORTHWARD PAST MIDNIGHT INTO THE EARLY
  MORNING HOURS TUESDAY. MODERATE TO HEAVY SNOW IS EXPECTED TO
  CONTINUE THROUGH MUCH OF THE MORNING AND INTO THE AFTERNOON
  HOURS TUESDAY BEFORE DECREASING IN INTENSITY TUESDAY EVENING. A
  PERIOD OF HEAVY SNOW MAY OCCUR DURING THE TUESDAY MORNING
  COMMUTE WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE.
  THE STRONGEST WINDS ARE ANTICIPATED TO DEVELOP TUESDAY
  AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED
  WITH HIGHER AMOUNTS NEAR 12 INCHES POSSIBLE FURTHER NORTH.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW A HALF MILE
  TO EVEN NEAR WHITEOUT CONDITIONS ARE POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL TO NEARLY IMPOSSIBLE AT
  TIMES. PLEASE RECONSIDER ANY TRAVEL PLANS.

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.

ANY REPORTS OF SNOW...SLEET AND FREEZING RAIN ACCUMULATIONS ARE
MUCH APPRECIATED AND CAN BE RELAYED DIRECTLY TO THE NATIONAL
WEATHER SERVICE USING TWITTER HANDLE NWS DES MOINES...HASHTAG
NWSDMX OR POST TO THE NWS DES MOINES FACEBOOK PAGE.

&&

$$

IAZ060-072-011830-
/O.UPG.KDMX.WS.A.0001.160202T0600Z-160203T1200Z/
/O.NEW.KDMX.WS.W.0001.160202T0600Z-160203T1200Z/
POLK-MADISON-
INCLUDING THE CITIES OF...DES MOINES...WINTERSET...EARLHAM
421 AM CST MON FEB 1 2016

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST WEDNESDAY. THIS REPLACES
THE BLIZZARD WATCH WHICH IS NO LONGER IN EFFECT.

* TIMING...SNOW IS FORECAST TO DEVELOP OVER SOUTHERN IOWA LATE
  TONIGHT AND SPREAD NORTHWARD PAST MIDNIGHT INTO THE EARLY
  MORNING HOURS TUESDAY. MODERATE TO HEAVY SNOW IS EXPECTED TO
  CONTINUE THROUGH MUCH OF THE MORNING AND INTO THE AFTERNOON
  HOURS TUESDAY BEFORE DECREASING IN INTENSITY TUESDAY EVENING. A
  PERIOD OF HEAVY SNOW MAY OCCUR DURING THE TUESDAY MORNING
  COMMUTE WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE.
  THE STRONGEST WINDS ARE ANTICIPATED TO DEVELOP TUESDAY
  AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED
  WITH HIGHER AMOUNTS NEAR 12 INCHES POSSIBLE FURTHER NORTH.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW A HALF MILE
  TO EVEN NEAR WHITEOUT CONDITIONS ARE POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL TO NEARLY IMPOSSIBLE AT
  TIMES. PLEASE RECONSIDER ANY TRAVEL PLANS.

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.

ANY REPORTS OF SNOW...SLEET AND FREEZING RAIN ACCUMULATIONS ARE
MUCH APPRECIATED AND CAN BE RELAYED DIRECTLY TO THE NATIONAL
WEATHER SERVICE USING TWITTER HANDLE NWS DES MOINES...HASHTAG
NWSDMX OR POST TO THE NWS DES MOINES FACEBOOK PAGE.

&&

$$

IAZ049-011830-
/O.UPG.KDMX.WS.A.0001.160202T0600Z-160203T1200Z/
/O.NEW.KDMX.WS.W.0001.160202T0900Z-160203T1200Z/
MARSHALL-
INCLUDING THE CITY OF...MARSHALLTOWN
421 AM CST MON FEB 1 2016

...WINTER STORM WARNING IN EFFECT FROM 3 AM TUESDAY TO 6 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 3 AM TUESDAY TO 6 AM CST WEDNESDAY. THIS REPLACES THE
BLIZZARD WATCH WHICH IS NO LONGER IN EFFECT.

* TIMING...SNOW IS FORECAST TO DEVELOP OVER SOUTHERN IOWA LATE
  TONIGHT AND SPREAD NORTHWARD PAST MIDNIGHT INTO THE EARLY
  MORNING HOURS TUESDAY. MODERATE TO HEAVY SNOW IS EXPECTED TO
  CONTINUE THROUGH MUCH OF THE MORNING AND INTO THE AFTERNOON
  HOURS TUESDAY BEFORE DECREASING IN INTENSITY TUESDAY EVENING. A
  PERIOD OF HEAVY SNOW MAY OCCUR DURING THE TUESDAY MORNING
  COMMUTE WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE.
  THE STRONGEST WINDS ARE ANTICIPATED TO DEVELOP TUESDAY
  AFTERNOON INTO TUESDAY NIGHT.

* STORM TOTAL SNOW...ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED
  WITH ISOLATED HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 40 MPH. VISIBILITIES BELOW A HALF MILE
  TO EVEN NEAR WHITEOUT CONDITIONS ARE POSSIBLE.

* IMPACTS...EXTREMELY HAZARDOUS TRAVEL TO NEARLY IMPOSSIBLE AT
  TIMES. PLEASE RECONSIDER ANY TRAVEL PLANS.

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.

ANY REPORTS OF SNOW...SLEET AND FREEZING RAIN ACCUMULATIONS ARE
MUCH APPRECIATED AND CAN BE RELAYED DIRECTLY TO THE NATIONAL
WEATHER SERVICE USING TWITTER HANDLE NWS DES MOINES...HASHTAG
NWSDMX OR POST TO THE NWS DES MOINES FACEBOOK PAGE.

&&

$$

IAZ050-061-062-011830-
/O.UPG.KDMX.WS.A.0001.160202T0600Z-160203T1200Z/
/O.NEW.KDMX.WW.Y.0005.160202T0900Z-160203T1200Z/
TAMA-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...TAMA...TOLEDO...TRAER...DYSART...
GLADBROOK...NEWTON...GRINNELL
421 AM CST MON FEB 1 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TUESDAY TO 6 AM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR MODERATE SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 3 AM TUESDAY TO 6 AM CST WEDNESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* TIMING...SNOW IS FORECAST TO SPREAD ACROSS THE AREA DURING THE
  OVERNIGHT HOURS TONIGHT INTO TUESDAY MORNING. A PERIOD OF VERY
  HEAVY SNOW MAY OCCUR DURING THE TUESDAY MORNING COMMUTE WITH
  SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE. THERE WILL BE
  A SHARP CUTOFF OF HIGHER SNOW AMOUNTS IN THE NORTHWEST PORTIONS
  OF THE ADVISORY...BUT THE FALLING SNOW AND STRONG WINDS MAY LEAD
  TO REDUCED VISIBILITY AND HAZARDOUS TRAVEL.

* STORM TOTAL SNOW...ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED
  WITH LOCALLY HIGHER AMOUNTS FURTHER NORTHWEST.

* WINDS/VISIBILITY...NORTHEAST WINDS BECOMING NORTH 25 TO 30 MPH
  WITH GUSTS IN EXCESS OF 40 MPH AT TIMES. VISIBILITIES AROUND ONE
  HALF MILE AT TIMES OF HEAVY SNOWFALL OR STRONG WINDS.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP. PLEASE
  RECONSIDER ANY TRAVEL PLANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE
PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING.

&&

$$

PODRAZIK

What forecasters said that day

The local office's own words before this blizzard watch 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 blizzard watch went out at Jan 30, 11:55 PM CST, 3 hours 53 minutes earlier.

Area forecast discussion, Jan 30, 11:55 PM CST, 3 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
1155 PM CST SAT JAN 30 2016

.SHORT TERM /TONIGHT/...
ISSUED AT 340 PM CST SAT JAN 30 2016

PRIMARY CONCERN INTO TOMORROW LOOKS TO BE PRECIP TRENDS. ZONAL FLOW
CONTINUES TO PRODUCE A BROAD SWATH OF MID LEVEL MOISTURE INTO
IA...HOWEVER MOISTURE IS CURRENTLY LACKING SOMEWHAT BELOW WITH ANY
PRECIP ALOFT FOR THE TIME BEING. THIS MID LEVEL FORCING AND MOISTURE
WILL LINGER THROUGH SUNDAY MORNING...BUT MUCH OF THE LOWER H85/H7
SUPPORT WILL BEGIN PUSHING OFF TO THE EAST BY 12Z. SOUNDINGS
SUGGEST THE WINDOW FOR COLUMN SATURATION WILL NOT LAST MORE THAN
3-6 HOURS AT ANY PARTICULAR LOCATION AS IT FINALLY ORGANIZES LATER
THIS EVENING AND SLOWLY PUSHES EAST ACROSS THE STATE SUNDAY
MORNING. ALTHOUGH THERE COULD BE SOME PERIODS OF LIGHT SNOW OR
LIGHT FREEZING RAIN...SURFACE TEMPS AND A 1-3C WARM LAYER ALOFT
WILL KEEP MUCH OF THE PRECIP EITHER A MIX OR A COLD LIGHT RAIN.

.LONG TERM /SUNDAY THROUGH SATURDAY/...
ISSUED AT 340 PM CST SAT JAN 30 2016

...POTENTIALLY SIGNIFICANT WINTER STORM EARLY IN THE WEEK...

THE FOCUS OF THE LONG TERM FORECAST IS ON THE TIME PERIOD FROM
LATE MONDAY NIGHT INTO WEDNESDAY...WHEN A POTENTIALLY SIGNIFICANT
WINTER STORM SYSTEM IS EXPECTED TO IMPACT THE REGION. THIS SYSTEM
IS CURRENTLY STILL OVER THE NORTHEASTERN PACIFIC AND WILL NOT
REACH THE CONUS RAOB NETWORK UNTIL TOMORROW...SO THERE IS STILL
SOME UNCERTAINTY REGARDING DETAILS OF PRECISE TRACK AND TIMING.
HOWEVER...THERE IS GOOD GENERAL CONSENSUS ON AN OVERALL EVOLUTION
OF THE STORM ACROSS THE MIDWESTERN STATES.

ON MONDAY A DEEP AND POWERFUL TROUGH WILL CROSS THE
ROCKIES...EMERGING AS A 500 MB CLOSED LOW AND ASSOCIATED SURFACE
CYCLONE OVER THE SOUTHERN HIGH PLAINS BY TUESDAY MORNING. THE
SURFACE LOW PRESSURE CENTER WILL THEN LIKELY TRACK ACROSS
MISSOURI...ILLINOIS...AND PERHAPS THE SOUTHEAST CORNER OF IOWA ON
TUESDAY AND TUESDAY NIGHT.

ALL SIGNS POINT TO AN EXTENDED DURATION...HEAVY PRECIPITATION
EVENT UNFOLDING AS THE SYSTEM TRACKS ACROSS OUR REGION.
INITIALLY...ON MONDAY NIGHT INTO TUESDAY MORNING...IOWA WILL SEE
PRECIPITATION ON THE NORTHEASTERN FLANK OF THE LOW ASSOCIATED WITH
STRONG AND BROAD ASCENT ALOFT AS WELL AS WARM AIR ADVECTION.
FORECAST SOUNDINGS INDICATE THAT IT WILL PREDOMINANTLY FALL AS
SNOW...SPREADING FROM SOUTHWEST TO NORTHEAST ON MONDAY NIGHT...BUT
MAY CHANGE TO A WINTRY MIX OR EVEN RAIN IN THE SOUTH/SOUTHEAST
AFTER SUNRISE TUESDAY MORNING. MEANWHILE A LARGE ZONE OF STRONG
LIFT AND FRONTOGENETICAL FORCING ALONG THE NORTHWESTERN SECTOR OF
THE LOW CENTER WILL SPREAD A SWATH OF HEAVY SNOWFALL ACROSS PARTS
OF THE REGION...STRETCHING FROM SOUTHWEST TO NORTHEAST...AND
LIKELY FALLING SOMEWHERE ACROSS ABOUT THE NORTHWESTERN HALF OF
IOWA. THE COMBINATION OF THESE TWO AREAS OF PRECIPITATION WILL BE
PROLONGED SNOWFALL CENTRAL AND NORTHWEST WITH A SNOW/RAIN/ICE MIX
AT TIMES SOUTHEAST...AND COULD LEAD TO HEAVY SNOW ACCUMULATIONS IN
SOME AREAS.

FINALLY...BUT POTENTIALLY OF HIGHEST SIGNIFICANCE...IS THAT WITH
THE SURFACE LOW TRACKING BY JUST TO OUR SOUTHEAST WITH A FAIRLY
STEADY CENTRAL PRESSURE AND STRONG COLD AIR ADVECTION ON THE BACK
SIDE...WE WILL SEE STRONG WINDS DEVELOPING ON TUESDAY AND TUESDAY
NIGHT. THIS WILL CAUSE SERIOUS BLOWING SNOW ISSUES...REGARDLESS OF
THE MAGNITUDE OF ACCUMULATION...AND POTENTIALLY BLIZZARD
CONDITIONS IN SOME AREAS. WHEREVER MODERATE OR HEAVY ACCUMULATIONS
OCCUR THIS WILL LIKELY LEAD TO VERY LOW VISIBILITY AND ROADS
DRIFTING OVER...MAKING TRAVEL VERY HAZARDOUS IF NOT IMPOSSIBLE.
ALL EYES WILL BE ON THIS STORM IN THE COMING DAYS AND WATCHES AND
WARNINGS WILL BECOME INCREASINGLY LIKELY GIVEN THE SERIOUS
WIDESPREAD IMPACTS POSSIBLE AROUND TUESDAY/TUESDAY NIGHT.

BLOWING SNOW IMPACTS WILL LINGER INTO WEDNESDAY...BUT AFTER THAT
THE LONG TERM FORECAST IS QUIET. ANOTHER DEEP TROUGH WILL CROSS
THE REGION LATE IN THE WEEK AND MAY BRING SOME LIGHT SNOW
ACCUMULATIONS AND MORE WIND AROUND FRIDAY OR SATURDAY...BUT RIGHT
NOW THIS APPEARS MORE LIKELY TO OUR NORTHEAST. COOLER WEATHER WILL
ALSO PREVAIL IN THE LATTER HALF OF THE WEEK...AND IN FACT IT MAY
BE QUITE COLD AT TIMES ESPECIALLY IF WE ARE ABLE TO LAY DOWN A
DEEP SNOW PACK EARLIER IN THE WEEK.

&&

.AVIATION...31/06Z
ISSUED AT 1154 PM CST SAT JAN 30 2016

FEW CHANGES FROM PREVIOUS PACKAGE. MVFR CIGS AND VSBYS DEVELOPING
BEHIND THE BOUNDARY. WILL CONTINUE TRENDS AS IT CROSSES AREA.
CIGS/VSBY WILL BEGIN TO IMPROVE BETWEEN 15-18Z NORTHWEST SITES AT
KALO/KMCW/KFOD. SOUTHERN SITES WILL SEE FEWER IMPACTS FROM THE
SYSTEM. VFR CONDITIONS AFT 00Z FOR REMAINDER OF PERIOD. /REV

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SHORT TERM...SMALL
LONG TERM...LEE
AVIATION...REV
Hazardous weather outlook, Jan 30, 3:12 PM CST, 12 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
312 PM CST SAT JAN 30 2016

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-311200-
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-
312 PM CST SAT JAN 30 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A SIGNIFICANT WINTER STORM WILL IMPACT MUCH OF IOWA FROM LATE
MONDAY NIGHT INTO WEDNESDAY. MODERATE TO HEAVY SNOWFALL
ACCUMULATIONS ARE LIKELY ALONG WITH STRONG NORTHWEST TO NORTH
WINDS BY TUESDAY AFTERNOON. THIS WILL CAUSE CONSIDERABLE BLOWING
AND DRIFTING OF SNOW AND REDUCE VISIBILITIES...MAKING TRAVEL
VERY HAZARDOUS. THE TRACK OF THE STORM MAY STILL CHANGE...SO
PLEASE CONTINUE TO MONITOR FORECAST UPDATES...AND POTENTIAL
WATCHES AND WARNINGS...AS THE STORMS NEARS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT REPORTS OF WINTER
STORM IMPACTS WILL BE APPRECIATED.

LEE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 3:19 PM CSTWinter Storm WatchDMXClarke, Jasper, Madison, Marion, Marshall, Polk and 5 more13 hr

Nearby

Blizzard Watches in Iowa, 2016Every blizzard watch in 2016

Sources

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