Monday, April 7, 2025

Day 5 of San Antonio, TX (KSAT)

Day 5 in San Antonio is about the quietest it can get. Very dry air, clear skies, and almost no wind will lead to ideal radiational cooling tonight, unlike last week. It might actually get colder than model guidance, like last night, though probably not by that much due to some modest urban heat island at KSAT. With dry air, sunny skies, and a very light southerly wind tomorrow with weak warm advection, it will warm up rapidly to likely slightly above model guidance, like the past 2 days. With surface high pressure mostly dominating, there will be very little wind, maybe just random turbulence/subtle mesoscale features bringing up to 10 kt, even with the strong sunshine leading to vigorous vertical mixing.
 
Source: PivotalWeather


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