This system resulted in a prolonged winter event with snow beginning across southern Iowa before expanding across central and northern Iowa, where the bulk of the snow fell. Initial dry air reduced ice introduction and portions of southern Iowa saw minor ice accumulations before transitioning over to snow. As the system lifted across central and northern Iowa snow was the predominant precipitation type. A strong cold front on the back side of the system as precipitation was coming to an end brought strong winds across much of northwest Iowa, resulting in blizzard conditions as freshly fallen snow was easily lofted, significantly reducing visibility. Widespread snow totals of 5 to 8 inches were seen across much of Iowa.
While many areas did not meet the traditional winter storm warning criteria strictly using snowfall, strong winds after snowfall ended combined with the fresh snow to provide near blizzard conditions at times during the morning and afternoon hours of the 18th in areas mainly south and east of the upgraded Blizzard Warning area.

Winter Storm in MAHASKA, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in GUTHRIE, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in DALLAS, IOWA
From 17-JAN-20 07:00:00 to 17-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in JASPER, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in POWESHIEK, IOWA
From 17-JAN-20 10:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in CRAWFORD, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in CARROLL, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in POCAHONTAS, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in HUMBOLDT, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in WINNEBAGO, IOWA
From 17-JAN-20 11:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in WORTH, IOWA
From 17-JAN-20 11:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Blizzard in HANCOCK, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in CERRO GORDO, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Winter Storm in MARSHALL, IOWA
From 17-JAN-20 11:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in GRUNDY, IOWA
From 17-JAN-20 11:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in GREENE, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in STORY, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in WRIGHT, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in FRANKLIN, IOWA
From 17-JAN-20 10:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Blizzard in SAC, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in CALHOUN, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in WINNEBAGO, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in WORTH, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Winter Storm in BUTLER, IOWA
From 17-JAN-20 11:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in SAC, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in WEBSTER, IOWA
From 17-JAN-20 08:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in PALO ALTO, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in KOSSUTH, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Blizzard in WEBSTER, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in POCAHONTAS, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Winter Storm in TAMA, IOWA
From 17-JAN-20 11:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in BOONE, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in AUDUBON, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in HARDIN, IOWA
From 17-JAN-20 10:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in HANCOCK, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in CERRO GORDO, IOWA
From 17-JAN-20 11:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Blizzard in HUMBOLDT, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in PALO ALTO, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Winter Storm in CALHOUN, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in HAMILTON, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in POLK, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Blizzard in KOSSUTH, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in EMMET, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Blizzard in HAMILTON, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in HARDIN, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Winter Storm in CASS, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in EMMET, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Blizzard in WRIGHT, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Blizzard in FRANKLIN, IOWA
From 18-JAN-20 06:00:00 to 18-JAN-20 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Winter Storm in ADAIR, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in MADISON, IOWA
From 17-JAN-20 07:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in WARREN, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in MARION, IOWA
From 17-JAN-20 09:00:00 to 18-JAN-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer