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2006 – Weather radar improved by adding common precipitation to it such as freezing rain, rain and snow mixed, and snow for the first time. 2007 – The Fujita scale is replaced with the Enhanced Fujita scale for National Weather Service tornado assessments. [83] 2010s – Weather radar dramatically advances with more detailed options. [specify]
Minimum temperature map of the United States from 1871–1888 Maximum temperature map of the United States from 1871–1888. The following table lists the highest and lowest temperatures recorded in the 50 U.S. states, the District of Columbia, and the 5 inhabited U.S. territories during the past two centuries, in both Fahrenheit and Celsius. [1]
500 million years of climate change Ice core data for the past 400,000 years, with the present at right. Note length of glacial cycles averages ~100,000 years. Blue curve is temperature, green curve is CO 2, and red curve is windblown glacial dust (loess). Scale: Millions of years before present, earlier dates approximate.
It was the second latest date in the year a high risk has been issued since 2000 (the latest was December 23, 2002, in the Deep South), and latest date a high risk has been issued in the Midwest, surpassing previous latest of November 15, 2005. It also included a high-risk level (60% significant severe) wind probability in the 2000Z outlook.
Severe weather tore through the southeastern United States on January 8 into January 9th, resulting in 4 fatalities, with 2 of them being tornadic: one each in Alabama and North Carolina. Additional non-tornadic fatalities occurred in the states of Alabama and Georgia. The first January EF3 or stronger tornado in Florida history occurred. [28]
A National Weather Service forecast warned, ... .1 inch — since 2009, and has never recorded more than 3 inches of snow. The city’s all-time snowiest day on record dates to 1963, when 2.7 ...
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
The U.S. Weather Bureau would describe this tornado as "the most officially observed one in history". [52] 1940 Blizzard: 154 $2 million Armistice Day Blizzard: North and Central Midwest Damage total not adjusted for inflation. 1938 Hurricane: 600 Great New England Hurricane: 1938 Flood: 115 Los Angeles Flood of 1938: Los Angeles 1937 Flood ...