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[3] [4] Wind gusts of hurricane force were observed in San Francisco, along with wind gusts reaching over 100 miles per hour (160 km/h) in the Sierra Nevada. [5] [6] Widespread landslides occurred as a result of the storms, as well as multiple rivers overflowing due to the excessive rainfall. [7]
The International Fujita scale (abbreviated as IF-Scale) rates the intensity of tornadoes and other wind events based on the severity of the damage they cause. [1] It is used by the European Severe Storms Laboratory (ESSL) and various other organizations including Deutscher Wetterdienst (DWD) and State Meteorological Agency (AEMET).
The old scale lists an F5 tornado as wind speeds of 261–318 mph (420–512 km/h), while the new scale lists an EF5 as a tornado with winds above 200 mph (322 km/h), found to be sufficient to cause the damage previously ascribed to the F5 range of wind speeds.
‘It was mayhem’: LA residents survey damage caused by historic California storms. ICYMI: California flooding in pictures as ‘1 in 1000 year’ storm wreaks havoc
A 2021 map shows the impact of a tsunami hitting the San Fransisco area - and the devastation it could cause. The map was thrust back into the spotlight Thursday when a 7.0-magnitude earthquake ...
Some parts of Mexico and California could see a year’s worth of rain and flash flooding as Cateigry 3 hurricane approaches
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".
If the wind guests reach 100 miles per hour, then it will be the first time since 1985. The Blue Hill Observatory is at 635 feet of elevation, which is the high point east of I-495 in Massachusetts.