An anomalously very strong 585-590DM (decameters) at 500 millibar atmosphere level (for this time of year) Sonoran heat dome moved over the Baja Peninsula producing hot temperatures for deep South Texas with lower 100 degree readings on Feb. 27.The National Weather Service in Brownsville, Texas reported 102 degrees at Laredo and 103 degrees at Zapata during the 3 p.m. hour.The upp...