Winter Weather Warnings / Watches / Advisories
Issued by NWS Des Moines, IA

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WWUS43 KDMX 240243
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
843 PM CST MON JAN 23 2017

...MODERATE TO HEAVY SNOW TUESDAY INTO WEDNESDAY...

.SNOW IS EXPECTED TO OVERSPREAD MUCH OF NORTHERN IOWA WEST TO
EAST DURING THE DAY TUESDAY AS STRONG LOW PRESSURE APPROACHES THE
MISSOURI RIVER VALLEY FROM THE PLAINS. THERE COULD BE A MIX OF
RAIN ALONG THE HIGHWAY 20 CORRIDOR INTO TUESDAY NIGHT...BUT ALL
OF NORTHERN IOWA SHOULD SEE SNOW BY WEDNESDAY MORNING WITH MODERATE
TO HEAVY ACCUMULATIONS EXPECTED. NORTHWEST WINDS WILL ALSO INCREASE
BY THIS TIME LEADING TO BLOWING AND DRIFTING SNOW.

IAZ004>007-015>017-023>027-033>035-241045-
/O.CON.KDMX.WS.W.0001.170124T1800Z-170126T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-SAC-CALHOUN-WEBSTER-
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, SAC CITY, LAKE VIEW, ODEBOLT, WALL LAKE, SCHALLER, EARLY,
ROCKWELL CITY, MANSON, LAKE CITY, POMEROY, AND FORT DODGE
843 PM CST MON JAN 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TUESDAY TO
6 PM CST WEDNESDAY...

* TIMING...PRECIPITATION MAINLY IN THE FORM OF SNOW WILL SPREAD
  WEST TO EAST ACROSS NORTHERN IOWA TUESDAY. IT MAY MIX WITH SOME
  RAIN TOWARD HIGHWAY 20 INITIALLY INTO TUESDAY NIGHT...BUT ALL
  SNOW IS ANTICIPATED OVER NORTHERN IOWA AND WARNING WIDE WEDNESDAY
  UNTIL DIMINISHING LATER IN THE DAY. BLOWING AND DRIFTING SNOW
  IS ALSO ANTICIPATED WEDNESDAY AS THE WIND INCREASES.

* STORM TOTAL SNOW ACCUMULATIONS...5 TO 9 INCHES OF SNOW ARE
  POSSIBLE. THE SNOW MAY BE WET AND HEAVY INITIALLY TUESDAY.

* WINDS/VISIBILITY...EAST TO SOUTHEAST WIND GUSTS TO 30 MPH
  TUESDAY AFTERNOON...AND THEN NORTHWEST WINDS MAY GUST TO 30 TO
  35 MPH DURING THE DAY WEDNESDAY. SUBSTANTIAL VISIBILITY
  RESTRICTIONS DUE TO BLOWING AND DRIFTING SNOW ARE LIKELY...
  ESPECIALLY WEDNESDAY AFTER MOST OF THE SNOW ACCUMULATIONS.

* IMPACTS...SNOW WILL BECOME SLICK AND SNOW COVERED. THE SNOW
  AND BLOWING SNOW WILL CREATE VISIBILITY RESTRICTIONS AND THE
  COMBINATION OF THESE ELEMENTS WILL LEAD TO HAZARDOUS TRAVEL
  CONDITIONS. THIS SYSTEM WILL LIKELY IMPACT BOTH THE TUESDAY
  EVENING AND WEDNESDAY MORNING COMMUTES.

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.

&&

$$

IAZ028-036>039-044>047-241045-
/O.CON.KDMX.WW.Y.0003.170124T1800Z-170126T0000Z/
BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-
INCLUDING THE CITIES OF WAVERLY, WEBSTER CITY, IOWA FALLS,
ELDORA, ACKLEY, GRUNDY CENTER, REINBECK, CONRAD, DIKE, WELLSBURG,
WATERLOO, CEDAR FALLS, DENISON, CARROLL, JEFFERSON, AND BOONE
843 PM CST MON JAN 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TUESDAY TO
6 PM CST WEDNESDAY...

* TIMING...PRECIPITATION MAINLY IN THE FORM OF SNOW WILL SPREAD
  WEST TO EAST ACROSS NORTHERN IOWA TUESDAY. IT MAY MIX WITH SOME
  RAIN TOWARD HIGHWAYS 20 AND 30 INITIALLY INTO TUESDAY NIGHT...
  BUT ALL SNOW IS ANTICIPATED WEDNESDAY UNTIL DIMINISHING LATER
  IN THE DAY. BLOWING AND DRIFTING SNOW IS ALSO ANTICIPATED
  WEDNESDAY AS THE WIND INCREASES.

* STORM TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES OF SNOW ARE
  POSSIBLE. THE SNOW MAY BE WET AND HEAVY INITIALLY TUESDAY AND
  TUESDAY NIGHT.

* WINDS/VISIBILITY...NORTHWEST WINDS MAY GUST TO 30 TO 35 MPH
  DURING THE DAY WEDNESDAY. SUBSTANTIAL VISIBILITY RESTRICTIONS
  DUE TO BLOWING AND DRIFTING SNOW ARE LIKELY...ESPECIALLY
  WEDNESDAY AFTER MOST OF THE SNOW ACCUMULATIONS.

* IMPACTS...SNOW WILL BECOME SLICK AND SNOW COVERED. THE SNOW
  AND BLOWING SNOW WILL CREATE VISIBILITY RESTRICTIONS AND THE
  COMBINATION OF THESE ELEMENTS WILL LEAD TO HAZARDOUS TRAVEL
  CONDITIONS. THIS SYSTEM WILL LIKELY IMPACT BOTH THE TUESDAY
  EVENING AND WEDNESDAY MORNING COMMUTES WITH GREATER EFFECTS
  WEDNESDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

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