It is associated with shorter but more-frequent wet spells. Below this level, the summer drying is explained by a reduction in the number of wet days, reaching 20 % per century over the northwestern part of the Alps and 30 % to 50 % per century in the southern part of the Alps. A general drying is found in summer over the same period, exceeding 20 % to 30 % per century in the western plains and 40 % to 50 % per century in the southern plains surrounding the Alps but remaining much smaller ( <10 %) and not significant above 1500 m a.s.l. This increase is mainly explained by a stronger simple daily intensity index (SDII) and is associated with less-frequent but longer wet spells. A significant ( p value < 0.05) increase in mean winter precipitation is simulated in the northwestern Alps over 1903–2010, with changes typically reaching 20 % to 40 % per century. The vertical gradient of precipitation simulated by MAR over the European Alps reaches 33% km −1 (1.21 mm d −1 km −1) in summer and 38 % km −1 (1.15 mm d −1 km −1) in winter, on average, over 1971–2008 and shows a large spatial variability. The relatively high resolution allows us to estimate precipitation at high elevations. A comparison with several observational datasets demonstrates that the model is able to reproduce the climatology as well as both the interannual variability and the seasonal cycle of precipitation over the European Alps. Regional climate model MAR (Modèle Atmosphérique Régional) applied with a 7 km resolution over the period 1903–2010 using the reanalysis ERA-20C as forcing. The total season normal for this station is 14.25 inches.Changes in precipitation over the European Alps are investigated with the † Normals, recalculated every ten years, were updated on May 4, 2021. NOTE: Rainfall normals were updated on May 4, 2021. Monthly rainfall totals for previous seasons are found at Monthly Rainfall for Downtown Los Angeles.ĭowntown Los Angeles rainfall for 2022-2023 season through latest full month. No rainfall reported thus far by the National Weather Service for this month. Rainfall measured in inches Date (September) NOTE: When most weather reporting sources cite weather in Los Angeles (without specifying where, exactly, in Los Angeles), these numbers are typically for the Downtown Los Angeles weather station (actually located on the USC campus). Current Season Rainfall-to-Date - Woodland Hills, Los Angeles Current Season Rainfall-to-Date - Whittier Current Season Rainfall-to-Date - Westwood, Los Angeles Current Season Rainfall-to-Date - Van Nuys, Los Angeles Current Season Rainfall-to-Date - Santa Monica Current Season Rainfall-to-Date - Santa Fe Dam (San Gabriel Valley) Current Season Rainfall-to-Date - Santa Clarita Current Season Rainfall-to-Date - Santa Catalina Island Current Season Rainfall-to-Date - Sandberg Current Season Rainfall-to-Date - Pasadena Current Season Rainfall-to-Date - Palmdale Current Season Rainfall-to-Date - Los Angeles International Airport Current Season Rainfall-to-Date - Long Beach Current Season Rainfall-to-Date - Lancaster Current Season Rainfall-to-Date - Hawthorne Current Season Rainfall-to-Date - Burbank Why our “Rainfall Season” is different than that of the National Weather Service Court & Vital Records from Orange County, CAĭowntown Los Angeles skyline at night under the rain.Postal Zip Code Look-up for Los Angeles County.The Los Angeles Basin - A Huge Bowl of Sand.Can a Volcanic Eruption Occur in Los Angeles?.
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