Storms killed 2 in Mississippi, damaged roofs in Oklahoma  
➡️ Tornadoes (110 mph) struck Irving, Texas, Ada, Oklahoma, Louisiana  
➡️ Dust storms hit Southwest, blizzards Midwest, wildfires risked  
➡️ Winds altered Mardi Gras, downed trees, cut power to 178,000+ in Texas  
➡️ National Weather Service tested post-layoffs amid outages  
➡️ San Antonio evacuated, 13 Texas wildfires raged, schools closed