![]() Dry conditions persisted over most of Australia during spring, associated with the positive phase of the Indian Ocean Dipole (IOD). The Indian Ocean exerted a strong influence on Australia's climate during 2018. Most of this warming has occurred since 1950. Warming associated with anthropogenic climate change has seen Australian annual mean temperatures increase by just over one degree since 1910. Only one of Australia's warmest ten years occurred before 2005, and nine of the last ten years have been warmer than average. The 11-year mean temperature for 2008–2018 was the highest on record at 0.77 ☌ above average. Minimum temperatures were 0.73 ☌ above average, the 11th-warmest on record.Ģ018 annual mean temperatures compared to historical temperature observations. Maximum temperatures were the second-warmest on record at 1.55 ☌ above average, coming in behind +1.59 ☌ in 2013. Australia's area-averaged mean temperature for 2018 was 1.14 ☌ above the 1961–1990 average. A positive Indian Ocean Dipole event during springĢ018 was Australia's third-warmest year on record (the national temperature dataset commences in 1910).El Niño–Southern Oscillation neutral for most of the year, despite a very weak La Niña which decayed in early 2018, and the tropical Pacific Ocean warming steadily from late winter.Rainfall above average for northwestern to southeastern Western Australia, and scattered areas elsewhere in northern Australia.Rainfall below average for very large areas, affecting central and southern Queensland, New South Wales, Victoria, eastern South Australia, and the South West Land Division in Western Australia.Nationally-averaged rainfall 11% below average for the year at 412.8 mm (1961–1990 average 465.2 mm). ![]() Widespread warmth persistent throughout the year January, February, March, April, July, October, and December all amongst the ten warmest on record for Australian mean temperature for their respective months.Annual national mean maximum temperature second-warmest on record (1.55 ☌ above average).Both mean annual maximum and minimum temperatures above average for all States and the Northern Territory.Australia's third-warmest year on record, with the annual national mean temperature 1.14 ☌ above average.31 inches of rain, in Ocotillo Wells, to more than an inch of rain, in Borrego Palm Canyon. In the mountains, the Palomar Observatory recorded 2 inches of rain and Julireceivedved 1.61 inches. The NWS reported La Mesa received 2.45 inches of rain, Fallbrook received 1.9 inches, Rancho Bernardo and Poway received about 1.5 inches of rain and El Cajon and Ramon received just about 1.4 inches of rain. Inland valleys were met with heavy precipitation, also. Oceanside received 2.83 inches of rain, Point Loma received 1.72, San Ysidro received 1.61 inches and Carlsbad received 1.47 inches, according to the NWS. while some moderate showers were still falling in Mira Mesa and Poway overnight.Ĭoastal areas would begin to see clearer skies Friday morning with clouds leaving the rest of the county later in the day, according to NBC 7's Meteorologist Sheena Parveen.ĭuring the storm's two days in San Diego, the San Diego International Airport recorded 2.6 inches of rain, nearly one-third of the year's average for that location and more than half of this year's recorded rainfall, according to the National Weather Service. The worst of the storm had passed the southern San Diego region by about 11 p.m. Lifeguards or the Sheriff's Department can issue tickets to people who enter the water where beaches are closed. Yellow signs were placed along the shoreline, warning swimmers to stay out of the water. The DEH extended the contact closure to Silver Strand and Coronado shorelines on Friday afternoon. “Observations indicate contamination of ocean water is likely in Imperial Beach,” the county’s closure notice read. The County of San Diego Department of Environmental Health (DEH) issued a water contact closure for the Imperial Beach Shoreline, saying sewage-contaminated runoff in the Tijuana River had been entering the Tijuana Estuary due to the rainfall. The storm dumped inches of rain on the South Bay, including more than three inches in Chula Vista, through 4 a.m. NBC 7's Erika Cervantes spoke to business owners who dealt with flooding inside their stores and in the streets surrounding them.
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