Why is Nov 11 1911 so historically significant?
On Saturday, November 11, 1911, a cold snap, known as the Great Blue Norther or 11/11/11, affected the Central United States. Alongside the dramatic temperature swings, the cold front brought a destructive tornado outbreak to parts of the Midwest.
What happened in Springfield on November 11 1911 the weirdest weather day ever?
On Saturday, November 11, 1911, a regionally and seasonally significant tornado outbreak affected the Great Lakes region of the United States. Several other tornadoes were reported from multiple states. In all, the outbreak killed 16 people and injured at least 101.
What was the winter like in 1911?
November 1911–January 1912 The cold wave began in November 1911 when the Great Blue Norther dropped temperatures abruptly. It was the coldest November on record in the contiguous U.S., with an average temperature of 37.27 °F (2.93 °C), while December was relatively mild.
What was the biggest cold front?
On November 11-12, 1911 a cold front barged across the central and eastern United States with such force that it is still remembered over a century later. In association with this front some cities set both a record high and a record low in the same day.
What is the cold front?
A cold front is defined as the transition zone where a cold air mass is replacing a warmer air mass. Cold fronts generally move from northwest to southeast. The air behind a cold front is noticeably colder and drier than the air ahead of it. On colored weather maps, a cold front is drawn with a solid blue line.
What is the cold Oklahoma wind called?
Chinook winds
The snow partly melts and partly sublimates in the dry wind. Chinook winds have been observed to raise winter temperature, often from below −20 °C (−4°F) to as high as 10–20°C (50–68°F) for a few hours or days, then temperatures plummet to their base levels.
What is the coldest temperature for a tornado?
The vast majority of tornadoes occur with temperatures and dew points in at least the 50s, but there are always exceptions. Dr. Harold Brooks of the National Severe Storms Laboratory in Norman, Okla., tells of a twister that struck at Altus, Okla., on Feb. 22, 1975, with the temperatures near freezing.
What is called cold wave?
1 : an unusually large and rapid drop in temperature over a short period of time (such as 24 hours) 2 : a permanent wave set by a chemical preparation without the use of heat.
What is a cold spell?
: a period of cold weather The flowers died during a cold spell.
What happens after a cold front passes through an area?
As the cold front passes, winds become gusty. Atmospheric pressure changes from falling to rising at the front. After a cold front moves through your area, you may notice that the temperature is cooler, the rain has stopped, and the cumulus clouds are replaced by stratus and stratocumulus clouds or clear skies.
How can you tell if a front is warm or cold?
An abrupt temperature change over a short distance is a good indication that a front is located somewhere in between. If warmer air is replacing colder air, then the front should be analyzed as a warm front. If colder air is replacing warmer air, then the front should be analyzed as a cold front.
Is Mistral A cold wind?
Mistral, Italian maestrale, cold and dry strong wind in southern France that blows down from the north along the lower Rhône River valley toward the Mediterranean Sea.
What was the weather like on November 11, 1911?
Many cities broke record highs, going into the 70s and 80s early that afternoon. By nightfall, cities were dealing with temperatures in the teens and single-digits on the Fahrenheit scale. This is the only day in many midwest cities’ weather bureau jurisdictions where the record highs and lows were broken for the same day.
Where was the cold front on November 11 1911?
High pressure over Montana was introducing bitterly cold air to the Plains, resulting in snowfall behind the long cold front. Meanwhile, high pressure along the North Carolina coast was pumping warm Gulf of Mexico air northward. Weather map at 8am November 12, 1911. The cold front had rapidly advanced across the country.
What was the great blue norther of 1911?
The Great Blue Norther of November 11, 1911 was a cold snap that affected the central United States on Saturday, November 11, 1911. Many cities broke record highs, going into the 70s and 80s early that afternoon. By nightfall, cities were dealing with temperatures in the teens and single-digits on the Fahrenheit scale.
Where did the tornadoes hit in November 1911?
Tornadoes on Nov. 11, 1911. Fujita Scale ratings plotted where tornadoes struck. (National Weather Service – Louisville) In the mild air ahead of the cold front, an outbreak of tornadoes struck portions of Wisconsin, Michigan, Illinois, Iowa and Indiana.