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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) — Several celebrations are set around San Diego to honor loved ones this November for Día de los Muertos.Día de los Muertos, translated from Spanish to English to mean "Day of the Dead," is an annual celebration in which families can honor and remember loved ones who have died. Families will often come together to offer hospitality to the spirits during this Mexican tradition.The event covers Nov. 1 - 2. On the first day, it's believed that the souls of children return — because they come back faster — and adults return the next day. Graves of loved ones are cleaned, and altars are built and decorated with photos, favorite foods or drinks, stories, and mementos to honor them.In San Diego, Day of the Dead weekend will be filled with several community-wide celebrations:Nov. 124th annual Día de los Muertos FestivalWhere: California Center for the Arts, Escondido; Cost: Free(Nov. 1 - 4) Celebrate Día de los Muertos in Escondido with altars, live music, arts and crafts with sugar skulls and face painting, theater, and more over four days filled with family activities.Día de los Muertos at San Diego Zoo Safari ParkWhere: San Diego Zoo Safari Park; Cost: - (one-day admission)(Nov. 1 - 3) The Safari Park will host Spanish language tram times, kid-friendly activities, festival foods, face painting, dancing, and more in celebration of Día de los Muertos.Day of the Dead at Bazaar Del MundoWhere: Bazaar del Mundo and Casa Guadalajara; Cost: Free(Nov. 1 - 3) The shops at Bazaar del Mundo host a special Día de los Muertos celebrating with face painting, holiday-themed artwork, altar displays, free family-friendly activities, and authentic foods for guests.Nov. 2Old Town Día de los MuertosWhere: Old Town San Diego; Cost: Free(Nov. 2 - 3) Old Town will celebrate Día de los Muertos across the entire weekend, with many restaurants offering special holiday menus and live music, altars for family tributes, activities for the entire family, and more along San Diego Avenue.Día de los Muertos at AlbacaWhere: Coronado Island Marriott Resort; Cost: - Chef Aaron Obregon is cooking up a sensational menu of foods to celebrate Día de los Muertos, featuring regional dishes from different Mexican cities, a mezcal and tequila tasting, and delicious views of the San Diego Bay.Nov. 3Axis: Day of the Dead CelebrationWhere: The Old Globe Theater; Cost: FreeThe Old Globe will host a weekend full of activities including arts and crafts, face painting, a drumming workshop, mini parade, singing and dancing, and more for families.Carrera de los Muertos San DiegoWhere: Embarcadero Park South; Cost: - Lace up your shoes for a special Día de los Muertos run with mariachi, dancers, and delicious food at the end of a 5K or 10K run. 2782

SAN DIEGO (KGTV) — San Diego's Chicano Park is already a local icon. But soon, the mural-clad location could be listed within the National Park System.The Chicano Park Preservation Act (H.R. 486), introduced in January by Rep. Juan Vargas of the 51st Congressional District, would require the Department of the Interior to conduct a special resource study of Chicano Park and its murals and evaluate the site's national significance. Depending on those results, the agency would determine the feasibility of adding the park to the National Park System (NPS).Tuesday, the bill was the subject of hearings by the House Natural Resources' subcommittee on National Parks, Forests, and Public Lands.RELATED: Celebrating Community: Chicano Park approaches 50th anniversaryShould Chicano Park be granted NPS status, it would continue to be managed outside of the system but qualify for National Historic Site federal protections and aid.In January, Rep. Vargas said Chicano Park has been at the center of San Diego's cultural history for decades."A testament to San Diego’s tradition of community building and activism, Chicano Park has been the center of cultural history for decades," said Rep. Juan Vargas. "Adorned with vibrant murals, sculptures, and beautiful landscaping, the Park extends throughout seven acres, making it the largest collection of outdoor murals in the entire country."RELATED: Interactive map: Exploring San Diego's history, culture through street art"Designating Chicano Park as an Affiliated Site will not only honor the resilient spirit of an entire community, it will cement its significance in American history for generations to come."Located underneath the San Diego-Coronado Bay Bridge, Chicano Park was created in 1970 after the Barrio Logan community boycotted the construction of a California Highway Patrol station. In 1980, it received designation as an official historical site by the San Diego Historical Site Board. Chicao Park was listed on the National Register of Historic Places in 2013 and as a National Historical Landmark in 2016.RELATED: Lease approved for Chicano Park museum and community centerThe park is adorned in murals representing San Diego and Chicano history and culture. Roughly 80 murals cover the legs of the bridge.Victor Ochoa, who painted some of the murals, told 10News the history depicted in Chicano Park's art is truly representative of the community because it lacks censorship and showcases important figures."The park in itself acts as kind of like an obstacle to just eradicate our heritage, our history, our community," Ochoa said. "I see the spiritual energy more and more in the park and the murals, and the murals become even more historical documents."On April 20, 2020, Chicano Park will celebrate its 50th anniversary. 2801

SAN DIEGO (KGTV) — San Diego's housing crunch could soon offer a very small but mighty option for renters.They would come in the form of what are called tiny homes — which can be up to 400 square feet.The homes are easier to manufacture and transport than so-called granny flats because they are built in a factory, as opposed to on-site. The homes can be as affordable as ,000 but as much as 0,000, depending on size and amenities.RELATED: San Diego's first tiny house village invites people to live with lessDozens will be on display at this weekend's Tinyfest at the Del Mar Fairgrounds.David Martinez once lived in a tiny home to save money.He now sells them for an El Cajon company called homes to go. On Friday, he was showing an 84-square-foot home, which had a bed, tiny stove, mini-fridge, storage space, a wall-mounted HD TV, and a full bathroom.RELATED: For rent: San Diego backyard shed listed for ,050 per month"You'd be surprised, you get used to it," Martinez said. "You find out there's rooms you don't need, and this gives you essentials." 1072

SAN DIEGO (KGTV) - San Diego-based Helix has new FDA Emergency approval for its COVID-19 test that will make getting a test easier.The test is now approved for self-administration and for asymptomatic people to take.That means testing sites can give more tests without having to increase their staffing levels."It simplifies the collection," says Dr. James Lu, the President of Helix. "You can do it without having to have another person watching you."The test is also much simpler than the traditional upper nasal swab, as it only requires the lower area of the nostril to be swabbed."It actually just goes into the anterior narrows of the nostril area, and you just rotate it five times in each nostril," says Dr. Lu."It can be totally done by yourself, is completely painless, and it takes less than 30 seconds."RELATED: University City lab switches gears to create COVID-19 testsHowever, unlike home-pregnancy tests or DNA swab kits, Dr. Lu says Helix's COVID test still needs to be done in a clinical setting, so medical professionals can report the results and advise patients after they get results."We still think it's essential to have a physician in the loop, particularly for those cases where you do have positives," says Dr. Lu. "Those patients do need to be reported, and also make sure they have the right guidance in terms of quarantine."The simpler, self-administered swab could also make people more likely to get tested since they don't have to go through the old way of testing, which involved a swab shoved all the way up their nasal cavity.More testing also means more people will know if they're sick even if they don't have symptoms. That will make it easier for businesses and schools to reopen in the future."We believe that accurate and easily available, fast turnaround testing is essential to controlling the disease," says Dr. Lu. "And it's essential for identifying individuals who are sick or potentially spreaders so they can quarantine."Helix plans to make 100,000 of the newly approved tests every day. Around 5,000 of them will go to San Diego testing sites. The rest will be sent across the country. 2144

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