What has been the main driving force behind these cool fronts not making it this far south?..Here in south La. we’ve had consistant southerlies for the past 6 to 8 weeks that have been 6 to 12 mph higher than normal. I know this southerly wind flow has been feeding the midwest storms as they come through. Normally we get about 50% of these frontal boundaries through our area. We depend so much for spring rains around here. Summer rains normally come from tropical systems.
A strong upper air high pressure ridge, centered over South Mexico. This may be the result of the La Nina event of the past Winter. That event is winding down, and rainfall should return to normal at mid-Summer.