![]() This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.Īll data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition, by Jean Meeus.Īll other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis. To get a sense of how much these sources agree with each other, you can view a comparison of San Antonio and the stations that contribute to our estimates of its temperature history and climate. KSSF, 39% 6 mi, -66 ft KSKF, 39% 6 mi, 52 ft KSAT, 23% 8 mi, 151 ft © OpenStreetMap contributors San Antonio International Airport (KSAT, 23%, 8 mi, north, 151 ft elevation change).Kelly Field Annex (KSKF, 39%, 6 mi, southwest, 52 ft elevation change).Stinson Municipal Airport (KSSF, 39%, 6 mi, south, -66 ft elevation change).The stations contributing to this reconstruction are: The estimated value at San Antonio is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Antonio and a given station. There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in San Antonio.įor each station, the records are corrected for the elevation difference between that station and San Antonio according to the International Standard Atmosphere, and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Greg Abbott placed state emergency resources on standby on Monday.This report illustrates the typical weather in San Antonio, based on a statistical analysis of historical hourly weather reports and model reconstructions from Januto December 31, 2016. The NWS tweeted Monday evening that on Tuesday it planned to survey damage from Monday's storms, "including rating any tornadic damage." It targeted five areas: around Elgin and Giddings between Seguin and Luling a sector west of Jarrell and a sliver between Pflugerville and Granger. NWS Houston confirmed a tornado in Crockett, north of Houston. NWS Fort Worth confirmed a tornado near Sandow and Tanglewood, just east of Austin. Social media on Monday was filled with amateur videos and unofficial reports of tornadoes in Round Rock, College Station, and Madisonville. The 1-35 corridor between San Antonio and Austin saw wave after wave of severe weather on Monday, which seemed to only intensify as it moved off to the southeast. p1xl6gJ3oO- NWS Austin/San Antonio March 22, 2022 Here are some of the areas we will be surveying over the coming days. Please remain patient on the results as several areas will take time to survey. Tomorrow morning we will begin surveying damage from this evening's storms, including rating any tornadic damage. Pedestrians sheltering under buildings near the Pearl shopping complex reached out with their hands to gather the ice as it fell. Pea-sized hail also sprinkled the downtown area for a few minutes. A line of fresh storms from Dilley to New Braunfels had developed west of the city and raced eastward. The skies opened, and the rain fell in torrents. Phone alerts chimed and email alerts piled up, warning of storm cells, tornado watches and heavy rains.Īnd yet, the evening skies over downtown San Antonio were calm, at times beautifully clear, leaving the drought choked Alamo City seemingly without hope of relief.īut by 11:30 p.m., lightning flashed overhead. Radar maps indicated lines of storms steadily marching off to the northeast and pounding communities to the north and northeast of the city. ![]() ![]() Much needed rain from a cold front moving through Texas at first seemed elusive for the San Antonio area on Monday.Įmergency radio broadcasts warned of severe weather in the early afternoon.
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