Snowfall of 4 to 10 inches over all of northwest Iowa was accompanied by north to northwest winds sustained at 30 to 40 mph, with some gusts over 50 mph. The combination of snow and strong winds created widespread blizzard conditions with visibilities near zero. The blizzard closed schools and businesses and halted travel. The snowfall began on the morning of December 8th, and numerous vehicle accidents were reported that day. The winds increased during the evening of the 8th, and became strong enough to cause the blizzard after midnight on December 9th.

Blizzard in SIOUX, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

New snowfall of 6 to 9 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 9 inches at Sioux Center and 7 inches at Rock Valley. Prior to the blizzard conditions, several vehicle accidents were reported.

Blizzard in PLYMOUTH, IOWA
From 08-DEC-09 03:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 5 to 7 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 6 inches at Le Mars and 5.5 inches at Akron. Prior to the blizzard conditions, several vehicle accidents were reported, including a collision on U.S. Highway 75 that resulted in a fatality.

Blizzard in WOODBURY, IOWA
From 08-DEC-09 03:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

New snowfall of 6 to 10 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included an officially measured 9.7 inches at Sioux City Airport. Prior to the blizzard conditions, several vehicle accidents were reported.

Blizzard in CLAY, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

New snowfall of 6 to 9 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning and early afternoon. Blizzard conditions abated late that afternoon and early in the evening as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 9 inches at Spencer and 7 inches at Everly. Also, a wind gust of 56 mph was measured at Spencer.

Blizzard in BUENA VISTA, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

New snowfall of 7 to 10 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning and early afternoon. Blizzard conditions abated late that afternoon and early in the evening as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 10 inches at Storm Lake.

Blizzard in O'BRIEN, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 6 to 9 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th.

Blizzard in CHEROKEE, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 6 to 9 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 9 inches near the town of Cherokee and 8 inches in Cherokee.

Blizzard in LYON, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 5 to 6 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 5 inches at Rock Rapids.

Blizzard in OSCEOLA, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 6 to 8 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 7 inches at Ocheyedan.

Blizzard in IDA, IOWA
From 08-DEC-09 03:00:00 to 09-DEC-09 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 6 to 8 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning. Blizzard conditions abated that afternoon as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 7 inches both near Battle Creek and at Holstein.

Blizzard in DICKINSON, IOWA
From 08-DEC-09 04:00:00 to 09-DEC-09 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

New snowfall of 6 to 9 inches was accompanied by north to northwest winds sustained at 30 to 40 mph, with gusts up to 50 mph. These strong winds produced widespread blizzard conditions beginning a little after midnight on December 9th. Schools and many businesses were closed on December 9th, as the snowfall and near zero visibilities made travel impossible that morning and early afternoon. Blizzard conditions abated late that afternoon and early in the evening as winds steadily decreased, although hazardous wind chills which began during the blizzard continued that night and into the early morning of December 10th. Actual new snowfall reports included 8 inches at Spirit Lake.