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

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WWUS43 KDMX 232105
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
305 PM CST Thu Feb 23 2017

...Blizzard Conditions Expected over Northern Portions of Iowa Tonight
into Early Saturday Morning...

.A winter storm will bring a moderate to heavy snow to portions of
central Iowa through Friday night along with strong winds. The
greatest threat for heavy snowfall is over north central and
northwest Iowa. Strong north to northwesterly winds will lead to
dangerous travel during periods of heavier snow and conditions
will reach or exceed blizzard criteria.

IAZ026-027-036-044>046-240515-
/O.UPG.KDMX.WW.Y.0005.170224T1200Z-170225T0600Z/
/O.EXB.KDMX.BZ.W.0001.170224T0600Z-170225T0600Z/
Franklin-Butler-Hamilton-Crawford-Carroll-Greene-
Including the cities of Hampton, Parkersburg, Clarksville,
Shell Rock, Greene, Aplington, Allison, Dumont, Webster City,
Denison, Carroll, and Jefferson
305 PM CST Thu Feb 23 2017

...BLIZZARD WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT
CST FRIDAY NIGHT...

The National Weather Service in Des Moines has issued a Blizzard
Warning, which is in effect from midnight tonight to midnight CST
Friday night. The Winter Weather Advisory is no longer in effect.

* TIMING...Rain and a few thunderstorms this evening will
  transition to snow overnight. Moderate to occasionally heavy
  snow is expected to then persist through Friday evening before
  ending. Strong north winds will develop overnight and persist
  into Friday night.

* STORM TOTAL SNOW ACCUMULATIONS...5 to 8 inches. Much deeper
  drifts are expected.

* WINDS/VISIBILITY...Winds becoming north to northwesterly at 20
  to 30 mph with gusts 35 mph. Visibility will be reduced below
  one half mile for long periods with occasional white-out
  conditions, especially in rural areas.

* IMPACTS...Travel will become very dangerous to near impossible
  as blowing and drifting snow reduce visibility early Friday
  morning into Friday evening.

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.

&&

$$

IAZ016-017-023>025-033>035-240515-
/O.EXT.KDMX.BZ.W.0001.170224T0600Z-170225T0600Z/
Hancock-Cerro Gordo-Pocahontas-Humboldt-Wright-Sac-Calhoun-
Webster-
Including the cities of Garner, Britt, Kanawha, Mason City,
Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City,
Humboldt, Eagle Grove, Clarion, Belmond, Sac City, Lake View,
Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson,
Lake City, Pomeroy, and Fort Dodge
305 PM CST Thu Feb 23 2017

...BLIZZARD WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST FRIDAY NIGHT...

* TIMING...Rain early this evening is expected to transition to
  snow. The snow will be heavy at times tonight into Friday along
  with the potential for thundersnow. Snowfall rates of up to one
  inch per hour will be possible in the heaviest snow. Winds will
  also increase overnight from the northeast becoming northwest by
  Friday. Conditions are not expected to improve until Friday
  evening as the snow diminishes along with the winds.

* STORM TOTAL SNOW ACCUMULATIONS...6 to 12 inches with much deeper
  drifts.

* WINDS/VISIBILITY...Winds becoming north to northwesterly at 20
  to 30 mph with gusts to 40 mph. Visibility will be reduced to
  one half mile or less for extended period of time with white-out
  conditions expected from time to time, especially in rural
  areas.

* IMPACTS...Travel will become very dangerous to near impossible
  as blowing and drifting snow reduce visibility Friday into early
  Saturday morning.

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>007-015-240515-
/O.CON.KDMX.BZ.W.0001.170224T0000Z-170225T0600Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-
Including the cities of Estherville, Algona, Forest City,
Lake Mills, Northwood, Manly, and Emmetsburg
305 PM CST Thu Feb 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT CST FRIDAY NIGHT...

* TIMING...Rain and snow early this evening is expected to
  transition to all snow by mid to late evening. The snow will be
  heavy at times tonight into Friday along with the potential for
  thundersnow. Snowfall rates of up to one inch per hour will be
  possible in the heaviest snow. Winds will also increase
  overnight from the northeast becoming northwest by Friday.
  Conditions are not expected to improve until Friday evening as
  the snow diminishes along with the winds.

* STORM TOTAL SNOW ACCUMULATIONS...10 to 14 inches with much
  deeper drifts.

* WINDS/VISIBILITY...Winds becoming north to northwesterly at 20
  to 30 mph with gusts to 40 mph. Visibility will be reduced to
  one half mile or less for extended period of time with white-out
  conditions expected from time to time, especially in rural
  areas.

* IMPACTS...Travel will become very dangerous to near impossible
  as blowing and extensive drifting snow reduce visibility early
  Friday into early Saturday morning.

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.

&&

$$

IAZ028-037>039-048>050-059-060-240515-
/O.EXA.KDMX.WW.Y.0005.170224T1200Z-170225T0600Z/
Bremer-Hardin-Grundy-Black Hawk-Story-Marshall-Tama-Dallas-Polk-
Including the cities of Waverly, Iowa Falls, Eldora, Ackley,
Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo,
Cedar Falls, Ames, Marshalltown, Tama, Toledo, Traer, Dysart,
Gladbrook, Perry, Waukee, Adel, and Des Moines
305 PM CST Thu Feb 23 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM FRIDAY TO MIDNIGHT
CST FRIDAY NIGHT...

The National Weather Service in Des Moines has issued a Winter
Weather Advisory for snow and blowing snow, which is in effect
from 6 AM Friday to midnight CST Friday night.

* TIMING...Rain will transition to snow on Friday morning with
  light to moderate snow persisting into Friday evening. In
  addition, strong northwest winds will develop on Friday with
  blowing and drifting snow expected. Conditions will begin to
  improve by Friday evening as the system begins to depart.

* STORM TOTAL SNOW ACCUMULATIONS...2 to 6 inches.

* WINDS/VISIBILITY...Winds becoming north to northwesterly at 20
  to 25 mph with gusts over 30 mph. Visibilities will lower during
  the day as snow continues to fall and accumulate. Visibilities,
  especially in rural areas may drop below one half mile from time
  to time on Friday.

* IMPACTS...Roadways will become snow covered and blowing snow
  will reduce visibility creating hazardous travel conditions
  Friday into Friday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for blowing snow means that
visibilities will be limited due to strong winds blowing snow
around. Use caution when traveling, especially in open areas.

&&

$$

IAZ047-057-058-070-240515-
/O.CON.KDMX.WW.Y.0005.170224T1200Z-170225T0600Z/
Boone-Audubon-Guthrie-Cass-
Including the cities of Boone, Audubon, Exira, Guthrie Center,
Panora, Bayard, Casey, and Atlantic
305 PM CST Thu Feb 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO
MIDNIGHT CST FRIDAY NIGHT...

* TIMING...Rain will transition to snow on Friday morning with
  light to moderate snow persisting into Friday evening. In
  addition, strong northwest winds will develop on Friday with
  blowing and drifting snow expected. Conditions will begin to
  improve by Friday evening as the system begins to depart.


* STORM TOTAL SNOW ACCUMULATIONS...2 to 6 inches.

* WINDS/VISIBILITY...Winds becoming north to northwesterly at 20
  to 25 mph with gusts over 30 mph. Visibilities will lower during
  the day as snow continues to fall and accumulate. Visibilities,
  especially in rural areas may drop below one half mile from time
  to time on Friday.

* IMPACTS...Roadways will become snow covered and blowing snow
  will reduce visibility creating hazardous travel conditions
  Friday into early Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for blowing snow means that
visibilities will be limited due to strong winds blowing snow
around. Use caution when traveling, especially in open areas.

&&

$$



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