Portal:Weather/Did you know/Archive
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Did you know...
[edit] 2008
...that the effects of the El Niño-Southern Oscillation in the United States include drastic changes in temperature, precipitation, and occurrences of severe weather and tropical cyclones?
...that the List of May 2003 tornado outbreak sequence tornadoes includes 400 confirmed tornadoes, making it by far the largest tornado outbreak sequence since official records began in 1950.
...that the climate of the United States ranges from tropical in Hawaii and southern Florida to polar in Alaska?
...that the Toronto Magnetic and Meteorological Observatory was originally built to study fluctuations in Earth's magnetic field?
...that Robert Case, a National Weather Service meteorologist, dubbed the 1991 Halloween Nor'easter "The Perfect Storm"?
[edit] 2007
...that the state of Connecticut has had more than 100 tornadoes in its history, including two F4s and one which killed 34 people?
...that the state of Minnesota has many weather extremes, including temperatures over 110 °F (43 °C), 15.10 in (380 mm) of rain in 24 hours, and snow in every month except July?
...that the field of biometeorology is the study of living organisms on the weather, and vice versa?
...that the Climate of Florida is "humid subtropical", but the state can experience outbreaks of Saharan dust and snow?
...that it is Kona lows, not tropical cyclones, which cause most severe weather in Hawaii?
...that the Snyder, Oklahoma tornado was the second deadliest tornado in Oklahoma history?
...that the history of surface weather analysis begins as far back as 1849?
...that weather fronts, though first recognized in Norway in the 1910s, were not widely plotted on maps for several decades?
...that the first EF5 tornado was part of a larger tornado outbreak of at least 80 tornadoes?
...that the Amite-Pine-Purvis Tornadoes, originally thought to be a single tornado, was likely a family of several tornadoes that killed 143 people in the Southern United States?
...that a Doppler On Wheels is a portable Doppler radar unit that allows meteorologists to observe fine details of storms such as tornadoes and tropical cyclones?
...that on February 1, the National Weather Service began using the Enhanced Fujita Scale to assess tornado damage, in place of the obsolete Fujita scale?
...that some weather records include a 57.8°C (136°F) air temperature in Libya, 3.8 cm (1.5 in) of rain in just one minute in Guadeloupe, and a 47.6 cm (18.75 in) circumference hailstone in Nebraska?
...that cold air damming is responsible for most winter weather in the Eastern United States?
...that a late-season tornado outbreak in October of 1996 set many tornado records in the northern Great Plains?
...that, despite its tropical climate, the state of Florida has received snow on dozens of occasions since records have been kept.
...that the Servicio Meteorológico Nacional is the organization in charge of weather forecasts for all of Mexico?
...that the rear flank downdraft is thought to be essential in the formation of most tornadoes?
...that the Great Storm of 1975 not only dropped more than 2 feet of snow in the Midwest, but also produced 45 tornadoes and resulted in more than 50 deaths?
