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SAN DIEGO (KGTV) — Santa Ana winds have fueled the most destructive wildfires in San Diego’s history, including the Cedar Fire in 2003 and the Witch Creek Fire in 2007.But why do Santa Anas form and what makes them so effective at spreading fire?Typically, during the day, San Diego’s winds blow from the ocean to the shore. These onshore winds tend to carry a lot of water vapor.However, Santa Ana winds blow the opposite direction, from the east to the west, and they have all the ingredients fires need to spread.“Strong winds,” said National Weather Service San Diego meteorologist Philip Gonsalves. “They’re typically very dry, and we usually end up with warmer conditions.”Strong. Dry. Hot. A fourth key factor elevating the fire danger is the timing of this wind pattern.“They typically occur in the fall, which is that time of the year when the fuel moistures are very low, and so the fuels are primed for ignition,” Gonsalves said.Winds flow from areas of high pressure to areas of low pressure. Santa Anas form when there is high pressure over the Great Basin, located in Nevada and parts of Utah, and low pressure over Southern California.The winds are coming from the desert, but that’s not why they’re hot. They are hot for the same reason that air coming out of a bicycle pump is hot, Gonsalves said. It’s because the air is getting compressed.As the winds flow west out of the Great Basin, they travel over mountains. At high elevations, the air is very cool, but as the winds move downslope into lower elevations where the pressure is higher, the air gets compressed. That compression rapidly drives up the temperature in what’s called the Adiabatic Process.This process also dries out the air, and dry air can heat up much faster.As the winds move downslope, they pass over ridges and through canyons, which act like funnels, speeding up the winds.Santa Ana winds can pop up any time the Great Basin is cooler than Southern California, typically from September to May. But peak season is considered to be October.The Santa Ana event on Tuesday is falling a little before the peak season because of the positioning of highs and lows in the Northern Hemisphere, Gonsalves said, but the end result is the same: strong, dry, warm winds and extreme fire danger. 2281

SAN DIEGO (KGTV) - Some of you tell us it can be hard to watch the news because it always appears to be so negative.At times it does seem like there is a lot of bad press, but we also like to share some inspiring stories. Stories like the veterans we followed all last weekend to Washington, D.C. on their Honor Flight.You were inspired, and you gave us your overwhelming feedback in this week's Let's Talk.  426

SAN DIEGO (KGTV) -- Seven people were displaced following a house fire in Mountain View early Saturday morning, according to San Diego Fire-Rescue.The fire was reported just after 3:30 a.m. on Teak Street near Ocean View Boulevard. Crews quickly responded and were able to get the blaze under control. The home that burned sits on a lot with a second home in front, and the front house was not damaged.Family and residents of the front house said they believe the fire started from a washer/dryer unit. They also said that they had to pull bars off of a window to help people escape, with those outside pulling and those inside kicking on the bars. Four people were were hurt after climbing through the broken window.Crews say a total of seven people were displaced and the American Red Cross was called in to help, but family on scene said everyone is okay. They said the hardest part is realizing they lost everything, including Christmas presents that the two little girls who lived in the burned home had just unwrapped the day before.The family started a GoFundMe to raise money following the fire. 1112

SAN DIEGO (KGTV) - Small business Saturday has a new meaning in 2020. Across San Diego County, small business owners hoped customers would make an effort to shop local during a time when they’re hurting.“A day like this could potentially be one of the most important days for a small business,” said Joey Flores, saying Chimera, an outdoor market for clothing, records and cacti in North Park, was taking extra precautions for small business Saturday to protect people from coronavirus.In Barrio Logan, sisters Marla and Abigail Mercado went to Casa Xovi, a local gift shop filled with items celebrating the Latino community.“Supporting our local business because we want, especially in Barrio Logan, we really want the history and the culture to stay here. So even if you’re only spending ten bucks here and there, that’s money that adds up,” they said.Casa Xavi owner Xochitl Villarreal said she’s seen more customers the weekend following Thanksgiving and hopes this continues. She said small business Saturday is an important day, but encourages people to make efforts to shop local even after the holiday weekend is over.“It is what it is and we have to live through it and we have to be strong, be resilient,” said Villarreal.In Oceanside, William Bike, the Executive Chef at Mission Avenue Bar and Grill said the community members are what has helped them stay afloat, in addition to all of the local businesses who are sticking together to support each other.“We have that big local following, that big local support and that’s really what’s kept us alive,” said Bike. 1584

SAN DIEGO (KGTV) - SeaWorld is seeing an unusually large number of sea lion rescues along the local coastline this winter."Most of those rescued are coming in emaciated and dehydrated," said Jennifer Zarate, SeaWorld Senior Animal Care Specialist.Zarate says since early December, SeaWorld has rescued 25 sea lions along the coastline."Definitely a little concerning," said Zarate.That is about three times the amount they normally see. Usually, rescue season begins in March, so these rescues are coming early. Those needing rescuing this winter are younger than normal, less than two years old. The cause is a mystery, but Zarate says those early winter storms could be playing a role. The big swells may be tiring the pups out, causing them to burn too many calories. The weather may also be impacting their food sources.."The winter storms may be pushing schools of fish out further than seal lion pups can get to. That's probably the reason why they might not find as much fish as they normally would," said Zarate. After being rescued by SeaWorld, the pups now doing well. So far, medical tests haven't turned up anything else unusual. The pups are gaining back weight as expected. Next week, the first three of those recently rescued will be released.SeaWorld says the coastline in Orange County has also seen an increase in sea lion rescues. SeaWorld says it will be prepared for a big rescue season if needed.If you see an animal in need of rescue, SeaWorld says keep your distance and call their rescue hotline at 1-800-541-SEAL. 1547

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