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For example, in the range of normal temperatures, air at 68 °F (20 °C) and 50% relative humidity will become saturated if cooled to 50 °F (10 °C), its dew point, and 41 °F (5 °C) air at 80% relative humidity warmed to 68 °F (20 °C) will have a relative humidity of only 29% and feel dry.
Records from the National Weather Show that the Sacramento area received rainfall totals ranging from more than half an inch of rain to nearly an inch and a half in the past 24 hours.
[40] [41] The impact of climate change on precipitation in California can lead to the occurrence of severe drought. [42] During droughts in California, farmers leave land fallow. In 2014 drought season, 430,000 acres of farmland were left to fallow. [43] Farmers anticipate they will fallow a similar number of acres of farmland in 2022. [44]
The Santa Anas are katabatic winds (Greek for "flowing downhill") arising in higher altitudes and blowing down towards sea level. [7] The National Weather Service defines Santa Ana winds as "a weather condition [in southern California] in which strong, hot, dust-bearing winds descend to the Pacific Coast around Los Angeles from inland desert regions".
Red flag warnings in Los Angeles and Ventura counties were expected to end mid-morning on Friday, when forecasters said wind gusts that had been as high as 65mph the previous day would lower.
A given value of relative humidity causes larger increases in the heat index at higher temperatures. For example, at approximately 27 °C (81 °F), the heat index will agree with the actual temperature if the relative humidity is 45%, but at 43 °C (109 °F), any relative-humidity reading above 18% will make the heat index higher than 43 °C. [5]
Get the New York, NY local weather forecast by the hour and the next 10 days.
The Weather Channel was founded on July 18, 1980, [9] by television meteorologist John Coleman (who had served as a chief meteorologist at ABC owned-and-operated station WLS-TV in Chicago and as a forecaster for Good Morning America) and Frank Batten, then-president of the channel's original owner Landmark Communications (now Landmark Media Enterprises).