Texas austin weather9/13/2023 ![]() Austin enjoys on average 222 days of sunshine each year. The city receives an average of 32 inches of rain annually, with most of it occurring during May through September. Central Texas experienced multiple rounds of deadly flash flooding, from the Blanco River and Shoal Creek floods in May to the 500-year rainfall event in southeastern Travis County in October that produced 15 inches of rain in one day. The average temperature in the summer months is in the high 80s to low 90s, while the average temperature in the winter months is usually around 5060 ☏. In 2015, 59.96 inches of rain fell in Austin. Why it matters: Extreme heat is the top weather-related killer in the U.S. ![]() Austin area rainfall comparison during 2015, 2018/2019 El Niño versus the current three-year La Niña pattern. The heat wave scorching much of Mexico, Texas and parts of New Mexico is forecast to worsen and last into the week of July 4, weather forecast models and National Weather Service (NWS) guidance show. The current La Niña pattern began in 2020, and Austin’s rainfall since that time has generally been drier than average. During those years, the Austin area averaged wetter-than-normal conditions and was also subjected to several devastating floods. The last two El Niño patterns were in 20/2019. Typical El Niño weather pattern and storm track The predicted change to El Niño conditions means that waters in the Eastern Pacific Ocean near the Equator warm up, shifting the storm track toward Texas and supercharging systems with more moisture and rainfall. ENSO probabilities through summer 2023 with red bars indicating the likely return of El Niño conditions (NOAA Climate Prediction Center) We first warned you last week, however, how new projections from the NOAA Climate Prediction Center call for the current “triple-dip” three-year La Niña pattern to end in 2023, and an El Niño pattern to begin. The warmer, drier-than-normal weather, made more likely by La Niña, has indeed had a hand in our current drought conditions, as well as in Lake Travis levels dipping to their lowest since 2015. AUSTIN (KXAN)– The predicted changeover from the current multi-year La Niña pattern to El Niño next year could have large-scale changes on our local weather.
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