1/15/2024 0 Comments Lightning storm bay area today![]() The source of this plume of moist, unstable air was the weakening Tropical Storm Fausto. Later that day, the Fire Weather Watch was upgraded to a Red Flag Warning, noting the risk of abundant lightning already apparent as the storms moved toward the region from the south. Early on August 15, the National Weather Service for San Francisco issued a Fire Weather Watch highlighting the risk of wildfire starts due to the combination of lightning risk due to moist, unstable air aloft, dry fuels, and hot temperatures near the surface. Four of the new wildfires ranking in the top 10 were all a part of the August 2020 lightning fires.Ä«etween August 14 and August 16, Northern California was subjected to record-breaking warm temperatures, due to anomalously strong high pressure over the region. Of the twenty largest wildfires in California history, six were part of the 2020 wildfire season. Meteorological background August 2020 began a record breaking season for wildfires. The three major Bay Area fires, the SCU, LNU, and the CZU Lightning Complex, collectively burned about 846,000 acres (3,420 km 2) by mid-September 2020, destroyed 2,723 structures, and took 6 lives. On September 11, the August Complex merged with the Elkhorn Fire, another massive wildfire of 255,039 acres (1,032 km 2), turning the August Complex into a monster wildfire of 746,607 acres (3,021 km 2). On September 10, 2020, the August Complex set a record for the single-largest wildfire in the modern history of California, reaching a total area burned of 471,185 acres (1,907 km 2). ![]() ![]() The August 2020 lightning fires included three enormous wildfires: the SCU Lightning Complex, the August Complex, and the LNU Lightning Complex. The August 2020 California lightning wildfires (also referred to as the August lightning siege or August wildfire siege) were a series of 650 wildfires that ignited across Northern California in mid-August 2020, due to a siege of dry lightning from rare, massive summer thunderstorms, which were caused by an unusual combination of very hot, dry air at the surface, dry fuels, and advection of moisture from the remains of Tropical Storm Fausto northward into the Bay Area. ![]()
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