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SAN DIEGO (KGTV) -- Ahead of the United Nations Climate Summit next week, 10News is diving deeper into the affects of climate change. Climate change is leading to more dangerous and deadly wildfires and so often after fires scorch the ground in the fall, the heavy winter rains in atmospheric rivers lead to mudslides and flooding.The scary reality is that these types of storms are going to get stronger. According to Alexander Gershunov, a research meteorologist at the Scripps Institution of Oceanography at UCSD, "we know for certain that atmospheric rivers are going to get stronger in the future, in a warmer atmosphere more water vapor can be held so atmospheric rivers are basically plumes of very intense concentrated moisture and they're just going to get wetter as they get warmer. As those wetter atmospheric rivers hit the coast and coastal mountain ranges the moisture is squeezed out of them and we get more extreme precipitation events."He goes on to say, "climate change is definitely making atmospheric rivers warmer and wetter as well as longer and fatter so they carry more moisture. In the future they will produce even more of the precipitation extremes and be an even bigger contributor to the water resources of the region as well as to flooding."Climate change may lead to a more devastating threat, called the ARkStorm.The ARkStorm is patterned after the historic flooding of 1861 to 1862, but uses modern modeling methods and data from large storms in 1969 and 1986. The ARkStorm draws heat and moisture from the tropical pacific, forming a series of atmospheric rivers that approach hurricane-strength and then slam the west coast creating a statewide disaster.In 2010, scientific experts met to create the ARkStorm Scenario Report for the USGS, imagining aspects of flooding of biblical proportions reaching the Western U.S. with weeks of rain and snow followed by catastrophic floods, landslides and property and infrastructure damage which would cripple California's economy.CLIMATE CHANGE:-- A growing wildfire season-- Sea-level rise and the impacts to San Diego-- Living in a warming world"What was found that the cost could exceed 0 billion. To put that into perspective, the economy of California is .7 trillion so that’s almost a third of our state product," explained Tom Corringham, a post-doctoral research economist at the Scripps Institution of Oceanography at UCSD.Move these flooding models yourself: click here.Models in the ARkStorm report show multiple areas of submergence in central San Diego. Mission Beach, which routinely sees flooding during heavy rain, is underwater in the ARkStorm scenario. Fiesta island, ordinarily dry, disappears under Mission Bay.West-facing beaches, including those near Highway 1 in north county, are covered in water and Imperial beach fares no better in its known run-off spots."The ARkStorm scenario isn’t too far-fetched and it becomes increasingly possible with the effects of climate change." Says Tom Corringham.The timing of the next ARkStorm is uncertain, according to the National Weather Service, it could be next year, or it could be 120 years from now. 3158

SAN DIEGO (KGTV) – An emotional sentencing hearing was held downtown Tuesday for a driver behind a fatal Chollas View crash last March.In March, 36-year-old Jacqueline Castillo reportedly had drugs in her system when blew through an intersection in Chollas View, slamming her car into another car, killing 62-year-old Brenda Lee.“I want to put a face to that name. Brenda Doreen Lee was my sister,” said Lee’s brother, Ronnie Lee, as he held her framed photo up for the courtroom and Castillo to see. “You made choices to get loaded. You made choices to drive on a suspended licensed. You made a choice to drive erratically."The crash happened in the early afternoon by an elementary school. Castillo later pleaded guilty to vehicular manslaughter. “The horrifying images I saw will never be removed from my mind,” said Lee’s son, Myrell Johns. He fought off tears as he described how his family’s life has been destroyed. “I often think about my mother's terrifying thoughts that may have occurred moments before and after the impact of this person's vehicle plowing through my mother's driver side door." Judge Laura Halgren sentenced Castillo to six years in prison. “We're all human but I believe that every mistake doesn't deserve forgiveness,” Johns told the courtroom. 1284

SAN DIEGO (KGTV) -- After a 12-cent sales tax hike went into effect, people were wondering why the price of gas kept increasing. “I probably spend about ,000 a month on gas,” Jim Miller said. "I have a landscape maintenance business so my gas bill a month is, you know, it affects me.”Now experts say San Diego has some of the highest gas prices in the country, even more expensive than Hawaii. RELATED: Check gas prices in your areaMarie Montgomery of the Auto Club of Southern California says it's probably a rare combination of higher than normal demand in October, higher oil prices, and some refinery maintenance that was put off because of Hurricane Harvey. “Came together in a perfect storm," Montgomery said. "Then we had that tax increase on top of it and all the sudden 24 cents later, we’re where we are now. We’re paying higher prices right now than we have been in over two years.”Montgomery says they are hoping prices go down and level out again by the New Year at the very latest.  1032

SAN DIEGO (KGTV) — Across the country and here in San Diego County, large groups of people have taken to the streets to protest over the death of George Floyd and racial injustices.The mass gatherings have health professionals concerned that we could see another spike in COVID-19 cases."While we understand why they’re congregating and the anger that’s out there right now, the unfortunate consequences are probably going to be that there will be more people infected and more people coming to our hospital systems," said Dr. David Pride, an infectious disease specialist and the director of Molecular Microbiology at UC San Diego Health. "Sometimes, passion sort of overtakes being cognizant of the fact that this is a global pandemic."That passion has been very evident in San Diego as hundreds of protesters filled many streets for several days."When we see that people are not social distancing, we get concerned that we’re going to see spikes," said Pride.Whether you are a protester, an officer, or a member of the press covering the demonstrations, COVID-19 remains a problem for everyone.Social distancing was nonexistent at the protests across the county, and while many people did have on masks, others did not. To add to the risk, officers also deployed tear gas, causing some demonstrators to cough into the crowds.“The idea that some of them are now coughing, that’s concerning,” said Pride. “The easiest way to spread the virus is through respiratory and oral droplets. There could be asymptomatic people in these crowds, spreading the virus to a lot of people who are vulnerable, and only time will tell what the effects of this are for the San Diego area.”The public gatherings have been some of the largest we’ve seen in a while, in addition to recent protests to stay-at-home orders.Pride said he and other health professionals are not only concerned about the demonstration, but also about the loosening of restrictions and reopening.“We’re starting to notice differences in different parts of San Diego County. Certain parts are hotbeds for disease right now, and as we reopen and people start to mix from all different parts of San Diego, everyone is at risk,” he said. “This disease is not going anywhere, it’s going to be with us until there’s a proper vaccination.”Pride said UCSD Health has been preparing to increase the number of daily COVID-19 tests.“Right now, we’re testing somewhere around 800 people a day, and we’re gearing up to maybe even triple that if we can,” he said.Pride said it would take about a week or two to understand the consequences of the latest demonstrations. He does expect the hospitalization rate to increase.In the meantime, he said if you are not staying at home, the best thing you can continue to do while out in public is social distance and always wear a facial covering.“In the absence of a vaccine, two things that all of us can do are social distance as best we can and make certain we have a strict adherence to a masking policy,” he said. 3013

SAN DIEGO (KGTV) - A woman suffered serious injuries from a hit-and-run crash Saturday while walking in the East Village, San Diego Police said.The 47-year-old woman was dragging her wheelchair across F St. at Park Blvd. at 3:55 a.m. when she was struck by a gray or silver Honda heading west.The car was last seen going north on 11th Ave., police said.The victim suffered two broken legs and a pelvic fracture.San Diego Police Traffic Division officers are investigating the case. 494

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