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This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States in April 2018. Tornado counts are considered preliminary until final publication in the database of the National Centers for Environmental Information.
An extremely critical fire weather event is the greatest threat level issued by the NWS Storm Prediction Center (SPC) for wildfire events in the United States. On the scale from one to three, an extremely critical is a level three; thus, these outlooks are issued only when forecasters at the SPC are confident of extremely dangerous wildfire ...
Then, in April, a cold wave caused Iowa and Wisconsin to have their coldest April on record. [10] In mid-November, a winter storm across the United States caused 11 deaths, [11] one of the worst traffic jams in New York City, [12] and 555 car crashes in New Jersey. [13] [12] A few weeks later, another blizzard kills 4 more people. [14]
A day 3 Slight risk was outlined for central Florida northward into extreme southern Virginia the next day, [16] with an Enhanced risk of severe weather introduced across much of South Carolina and central North Carolina during the morning hours of April 15. This outlook included a 10% risk area for tornadoes.
On April 3, 2018, the Storm Prediction Center issued a moderate risk of severe weather throughout parts of the Midwest and Southern United States, including a 10% hatched risk area for tornadoes across much of the Ohio Valley.
April 2018 sports events in the United States (1 C, 34 P) Pages in category "April 2018 in the United States" The following 30 pages are in this category, out of 30 total.
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 National Centers for Environmental Information reports that April 2018 was the coldest month in the U.S. since 1997. [ 117 ] [ 118 ] May 9 – The California Energy Commission introduces its 2019 Building Energy Efficiency Standards, requiring all new homes to be fitted with solar power from 2020.