1940 Armistice Day Blizzard
The storm track of the Armistice Day Blizzard
|Formed||November 10, 1940|
|Dissipated||November 12, 1940|
|Lowest pressure||971 mbar (hPa) (at Duluth, MN)|
|Maximum snowfall or ice accretion||27 inches (68.6 cm) (Collegeville, MN)|
|Damage||$2.2 million (1940)|
|Areas affected||Midwestern United States|
The Armistice Day Blizzard (or the Armistice Day Storm) took place in the Midwest region of the United States on November 11 (Armistice Day) and November 12, 1940. The intense early-season "panhandle hook" winter storm cut a 1,000-mile-wide (1600 km) swath through the middle of the country from Kansas to Michigan.
The morning of November 11, 1940 brought with it unseasonably high temperatures. By early afternoon, temperatures had warmed into the lower to middle 60s °F (18 °C) over most of the affected region. However, as the day wore on conditions quickly deteriorated. Severe weather was reported across much of the Midwest with heavy rain and snow, a tornado, and gale force winds were all reported. Temperatures dropped sharply, winds picked up and rain, followed by sleet and then snow, began to fall. An intense low pressure system had tracked from the southern plains northeastward into western Wisconsin, pulling Gulf of Mexico moisture up from the South and pulling down a cold arctic air mass from the North.
The result was a raging blizzard that would last into the next day. Snowfalls of up to 27 inches (69 cm), winds of 50 to 80 mph (80–130 km/h), 20-foot (6.1 m) snow drifts, and 50-degree Fahrenheit (28 °C) temperature drops were common over parts of the states of Nebraska, South Dakota, Iowa, Minnesota, Wisconsin, and Michigan. In Minnesota, 27 inches (69 cm) of snow fell at Collegeville, and the Twin Cities recorded 16 inches (41 cm). Record low pressures were recorded in La Crosse, Wisconsin and Duluth, Minnesota. Transportation and communications were crippled, which made finding the dead and injured more difficult. The Armistice Day Blizzard ranks #2 in Minnesota's list of the top five weather events of the 20th century.
Survivors describe the cold as so severe that it was difficult to breathe, with the air so moisture laden it was thick like syrup and that the cold seared the survivors lungs like a red-hot blade. Many individuals claim that animals were aware of the upcoming weather shifts which led to animals moving rapidly from the area. Duck hunters who were out at the time were amazed at the amount of ducks that were in the area and on the move through the skies, one survivor recounting there were thousands.
A total of 145 deaths were blamed on the storm, with the following instances being noteworthy:
- Along the Mississippi River several hundred duck hunters had taken time off from work and school to take advantage of the ideal hunting conditions. Weather forecasters had not predicted the severity of the oncoming storm, and as a result many of the hunters were not dressed for cold weather. When the storm began many hunters took shelter on small islands in the Mississippi River, and the 50 mph (80 km/h) winds and 5-foot (1.5 m) waves overcame their encampments. Some became stranded on the islands and then froze to death in the single-digit (°F) temperatures that moved in over night. Others tried to make it to shore and drowned. Duck hunters constituted about half of the 49 deaths in Minnesota. Those who survived told of how ducks came south with the storm by the thousands, and everybody could have shot their daily limit had they not been focused on survival.
- Casualties were lessened by the efforts of Max Conrad, a pioneering light plane pilot and flight school owner and John R. "Bob" Bean (one of the flight school instructors) both based in Winona, Minnesota, 25 miles upriver from La Crosse. They flew up and down the river in the wake of the storm, locating survivors and dropping supplies to them. Both men were nominated for the Carnegie Medal for their heroism.
- One survivor, Gerald Tarras, survived the storm in Minneapolis due to the two family Labrador dogs who lay beside him and provided body heat to protect him.
- In Watkins, Minnesota, 2 people died when a passenger train and a freight train collided in the blinding snow. Watkins residents formed a human chain to lead the passengers to safety.
- In Lake Michigan, 66 sailors died in the sinking of three freighters, the SS Anna C. Minch, the SS Novadoc, and the SS William B. Davock, and two smaller boats.
- 13 people died in Illinois, 13 in Wisconsin, and 4 in Michigan.
Additionally, 1.5 million turkeys intended for Thanksgiving dinner across Minnesota perished from exposure to the cold conditions.
Prior to this event, all of the weather forecasts for the region originated in Chicago. After the failure to provide an accurate forecast for this blizzard, forecasting responsibilities were expanded to include 24-hour coverage and more forecasting offices were created, yielding more accurate local forecasts.
The U.S. Weather Bureau was criticized that it failed to predict the huge blizzard, and Officials released a statement that they were aware that the storm was coming but wrong about its strength and scope. The Twin Cities branch of Meteorology was upgraded to issue forecasts and not rely on the Chicago site.
- Climate of Minnesota
- Collapse of the first Tacoma Narrows Bridge, an infamous bridge collapse caused by the same low pressure system several days prior
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