![]() ![]() Throughout the day, the weather service’s advisory map was lit up with an array of alerts, including winter storm warnings, high wind warnings, flash flood watches and gale warnings off the coast. The storm also delivered on its threat of hazards, creating a mess of the morning and afternoon commutes as crashes and road closures piled up. River and searched for other possible victims, and crews in Orange County responded to mudslides. “I was up at 4:30 just to listen to the beautiful rain here in L.A.,” one person said on Twitter.Ĭalifornia Rain prompts flood rescues, downs trees and forces evacuationsĪs the storm hit Southern California, firefighters plucked a man from the L.A. Some residents took to social media to celebrate the arrival of precipitation. Santa Ana saw 1.63 inches of rain, breaking the record of 0.80 inches set in 1934. Anaheim received 1.38 inches of rain, breaking the old record of 0.24 inches set in 2015. Precipitation records for the day were also broken in Orange County, according to the weather service’s San Diego office. 14 record of 0.96 inches set back in 1888.īy nightfall, the weather service’s Oxnard office confirmed new daily records for seven locations from Los Angeles to Santa Maria, including 0.72 inches of rain in Lancaster, nearly triple the previous record of 0.25 inches in 1970 1.29 inches at Los Angeles International Airport, smashing the 0.38-inch mark set in 1993 and 1.81 inches at Hollywood Burbank Airport, more than six times the record of 0.29 inches set in 1965. With more than 2 inches of rain by noon, downtown Los Angeles far surpassed its previous Dec. When we combine this with preciptiation forecasts, we arrive at snowfall.The National Weather Service said the slow-moving storm broke several rainfall records for the date. This provides the key to how we derive surface temperature over a wide range of altitudes using digital elevation models. ![]() Thus, they contain accurate descriptions of how conditions vary with elevation. For our purposes these are ideal, not only because they are detailed, reliable and frequently updated, but also, because they are intended for aviation planning. We use the Global Forecast System (GFS) weather models for our input data. Only a very few organisiations in the world can achieve this, arguably only two! If they are honset, most small weather companies derive their products from people like NOAA and ECMWF, and those that don't would probably become much more reliable if they did! To our credit we do much more than simply re-package NOAA products, but without them as a basis, our service couldn't exist at all. Serious weather forecasting requires massive computer power, vast expertise and an almost unlimited budget. This is from Snow Forecast site which gives an idea as to how they compile their data, admittedly with a healthy dollop of PR spin.Īlthough the actual snowfall forecasts are made using our computers at, the raw weather forecast data comes from the National Weather Service (NWS) in America the largest organisation of its kind in the world. Anyway, snowHeads really is MUCH better when you're logged in - not least because you get to post your own messages complaining about things that annoy you like perhaps this banner which, incidentally, disappears when you log in w, although I'm not a great fan of snow forecast, preferring to look at a number of others, and then go with the best one We don't share your email address with anyone and we never send out any of those cheesy 'message from our partners' emails either. It's rather good and not made up by tourist offices (or people that love the tourist office and want to marry it either). When you register, you get our free weekly(-ish) snow report by email. 50,000+ snowHeads already know all this, making snowHeads the biggest, most active community of snow-heads in the UK, so you'll be in good company). as well as access to 'members only' forums, discounts and deals that U don't even know exist as a 'guest' user. ![]() Log in to snowHeads to make it MUCH better! Registration's totally free, of course, and makes snowHeads easier to use and to understand, gives better searching, filtering etc. ![]()
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