3,441 first-hand accounts of flood events in California, ranked by impact. Each is a NOAA-written narrative of the moment.
An upper-level trough moved through the region on July 4th-6th. The trough interacted with a surge of monsoonal moisture, bringing thunderstorms to the Southern Sierra Nevada, Tehachapi Mountains and the Kern County deserts.
Read the full account →Weak ridging returned to the area by the 20th, with dry, but relatively cool, conditions throughout the central California interior during the next few days. However, by February 24th, the next storm was approaching the California coast and weakening the ridge.
Read the full account →A Pacific storm with abundant subtropical moisture brought more than 2 inches of water to the Sacramento area, causing widespread urban and small stream flooding. Winds to 35 mph downed trees, damaged a few homes and caused a number of power outages.
Read the full account →A very strong cyclone slammed into the San Francisco and Monterey Bay Areas bringing flooding rains, high winds, record high surf and coastal flooding.
Read the full account →The remnants of Hurricane Nora spread inland across Arizona, southern California and southern Nevada. This rare tropical storm in the deserts dumped between one and two inches of rain over much of San Bernardino and Inyo Counties.
Read the full account →Monsoonal moisture over the Southwest United States by the late afternoon/early evening of Wednesday, September 3rd, supported thunderstorm activity over the desert portions of Kern County and the northern Kern County Mountains.
Read the full account →A winter storm moving southeast from the Gulf of Alaska, picked up tropical moisture before it moved onshore. The warmer air mass caused the snow level to remain high during most of the precipitaion event, so that measured snow fall was less than eight inches in the mountains.
Read the full account →A Winter Storm, brought heavy precipitation and thunderstorms with damaging winds as it moved onshore through Southwest California. In the mountains above 5500 feet elevation, 9 to 14 inches of snow fell.
Read the full account →A Winter Storm, brought heavy precipitation and thunderstorms with damaging winds as it moved onshore through Southwest California. In the mountains above 5500 feet elevation, 9 to 14 inches of snow fell.
Read the full account →The last in a series of strong, early season storms brought record heavy rain to the coast and valleys, and dumped two feet of snow at the mountain resorts.
Read the full account →The last in a series of strong, early season storms brought record heavy rain to the coast and valleys, and dumped two feet of snow at the mountain resorts.
Read the full account →The second in a series of October storms brought with it heavy rain, thunderstorms, flash flooding, and funnel clouds. Very heavy rain upwards of 9 inches in the mountains caused serious flash flooding and debris flows in parts of the San Bernardino Mountains.
Read the full account →The second in a series of October storms brought with it heavy rain, thunderstorms, flash flooding, and funnel clouds. Very heavy rain upwards of 9 inches in the mountains caused serious flash flooding and debris flows in parts of the San Bernardino Mountains.
Read the full account →The last in a series of strong, early season storms brought record heavy rain to the coast and valleys, and dumped two feet of snow at the mountain resorts.
Read the full account →A severe thunderstorm near Campo produced heavy rain, penny-size hail, and damaging wind gusts in excess of 60 mph. A rain gage in Campo reported 0.90 inches of rain in 15 minutes, and flash flooding was observed by both trained spotters and county road crews.
Read the full account →August 9th marked the 21st consecutive day with thunderstorms in the San Diego forecast area. A large MCS moved southwest out of Nevada during the morning hours and swept across the San Bernardino, Riverside, and San Diego County deserts that afternoon.
Read the full account →Severe thunderstorms fired along the Elsinore Convergence Zone for the third time in two weeks. Thunderstorms erupted early in the afternoon near San Jacinto and rapidly went severe.
Read the full account →An upper-level low dropped down the coast on the 21st, and moved inland over Southern California the next day. This low triggered another thunderstorm outbreak, with hail up to 0.88 inch in diameter falling in eastern Kings County during the afternoon of September 22nd, and…
Read the full account →The remnants of Hurricane Dean brought numerous thunderstorms to many areas of Southern California. Thunderstorms erupted in northern San Diego County shortly before sunrise near Escondido.
Read the full account →Monsoon flow resulted in severe thunderstorms and flash flooding for a second straight day. Thunderstorms along the Elsinore Convergence Zone produced a severe microburst which resulted in damage to roofs, trees, and other property in the Lake Elsinore area.
Read the full account →A deep low pressure trough tapped into quite a bit of moisture from the remnants of Super-Typhoon Melor, bringing as much as around 2 inches of rain to the central and southern San Joaquin Valley on the 13th-14th. Much higher amounts fell in the Southern Sierra Nevada.
Read the full account →The first in a series of low pressure systems, rotating around an upper level low pressure system centered off the coast of the Pacific Northwest, moved through the central California interior, during the night of the 16th into the 17th, bringing copious amounts of moisture to…
Read the full account →During an already very active month, the final storm of January left a considerable impact on many communities in Central California. An upper-level low pressure system dropped south along the California coast, kicking a low pressure system inland.
Read the full account →A Pacific storm reached the central California interior on the 22nd, with heavy snow falling across the length of the Southern Sierra Nevada and the Tehachapi Mountains.
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