11 am CST TUE. FEB. 10, 2009: A powerful mid/upper level storm system was developing east from northern Mexico and the Southwest U.S. All indications are that this system will induce severe thunderstorm development later this afternoon across parts of Texas, Oklahoma, and Arkansas. The SPC has expanded the higher severe weather probabilities across parts of these areas. See the latest severe storms forecasts here:
http://www.spc.noaa.gov/products/outlook/
A quick composite analysis using water vapor satellite imagery and RUC analysis fields valid at 11 am CST: