Massive storm slams California, breaks records

A massive storm, one of the strongest to hit the region in a decade, smashed Southern California on Friday, February 17, 2017, bringing heavy rainRain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated—that is, become heavy enough to fall under gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth. It ... and powerful winds. At least 4 people have been killed and numerous injured. 

The storm downed trees and power lines, caused flash floodingThe overflowing of the normal confines of a stream or other body of water, or the accumulation of water over areas that are not normally submerged. Floods include river (fluvial) floods, flash floods, urban floods, pluvial floods, sewer floods, coastal floods, and glacial lake outburst floods ..., mudslides and major travel problems. Hundreds of flights were delayed or canceled. At least 4 people were killed and numerous injured before the storm left east toward Nevada and Arizona.

At the height of the storm, there were at least 82 000 customers without power. “There are multiple locations with spans of wire down that require extensive repairs to restore power, making restoration efforts take longer,” LADWP said in a news release. They urged customers not to touch downed power lines or anything that may be touching a downed wire, including waterClimate change is expected to exacerbate current stresses on water resources from population growth and economic and land-use change, including urbanisation. On a regional scale, mountain snow pack, glaciers and small ice caps play a crucial role in freshwater availability. Widespread mass ...

Winds gusts up to 112 km/h (70 mph) or more lashed parts of the region, while heavy rains turned creeks and rivers into brown torrents, releasing slews of mud from hillsides burned barren by wildfires, the AP reported. 

Floodingsee flooding closed major freeways, leaving dozens of people trapped in their cars.

Multiple vehicles were swept away from a roadA road is a thoroughfare, route, or way on land between two places, which has been paved or otherwise improved to allow travel by some conveyance, including a horse, cart, or motor vehicle. Roads consist of one, or sometimes two, roadways (British English: carriageways) each with one or more ... in San Bernardino County, prompting the helicopter rescue of one person from the roof of a car.

In Duarte, officials order the evacuations for the Fish Fire burn area, some 180 homes, before the storm. Mud reportedly flowed freely down hillsides and into streets, overflowing barriers but for the most part, homes had been spared serious damage. 

In Studio City, a massive sinkhole opened up swallowing two cars. Firefighters rescued a woman trapped in the sinkhole just moments before a van fell on top of her car.

A second sinkhole opened on southbound Interstate 15, catching a fire truck on its edge. The truck eventually fell into the sinkhole but there were no injuries reported.

Flooding is a concern in many of the reservoirs in central and northern California, weatherWeather refers to the state of the atmosphere with regard to temperature, cloudiness, rainfall, wind, and other meteorological conditions. (UKCIP).com said. Officials closely monitored the Anderson Reservoir, which is at 99 percent capacity. It should only be at 68 percent because of seismic concerns.

At Lake Oroville, officials were confident that the rainfall wouldn’t cause additional problems. Water level reportedly stood 40 feet) below Sunday’s level, when nearly 200 000 residents had to be evacuated.

Massive storm slams California on February 17, 2017 - satellite image

Massive storm slams Southern California on February 17, 2017. Credit: NOAA/GOES-West

Friday’s storm has set at least 5 daily maximum rainfallRain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated—that is, become heavy enough to fall under gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth. It ... records:

A record rainfall of 70.35 mm (2.77 inches) was set at Long Beach Airport, breaking the old record of 45.97 mm (1.81 inches) set in 1980.

Santa Barbara Airport registered 105.66 mm (4.16 inches), breaking the old record of 52.83 mm (2.08 inches) set in 1980.

In Sandberg, weather stations registered 98.04 mm (3.86 inches) within 24 hours, breaking the previous record of 20.57 mm (0.81 inch) set in 1941.

Daily rainfall records were also broken at Santa Maria Airport and in Lancaster. 

Santa Maria Airport registered 50.29 mm (1.98 inches), breaking the previous record of 22.35 mm (0.88 inch) set in 1981. Lancaster broke its old record of 5.84 mm (0.23 inch) set in 2005 with 36.32 mm (1.43 inches).

Massive storm slams California on February 17, 2017 - satellite image

Massive storm slams Southern California on February 17, 2017. Credit: NOAA/GOES-West

Another storm system is headed toward the Pacific coastCoasts are projected to be exposed to increasing risks, including coastal erosion, due to climate change and sea level rise. The effect will be exacerbated by increasing human-induced pressures on coastal areas (very high confidence). By the 2080s, many millions more people than today are .... It should start affecting the coast on February 20 and 21 and could bring even more rain.

Featured image: Massive storm slams Southern California – February 17, 2017. Credit: Caltrans District 8

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