41. A low pressure system over Mozambique will likely bring more rain to southeast Africa and Madagascar. 42. A U . S . reconnaissance plane found the storm had become a low pressure system . 43. A small low pressure system along the Carolina coast will race northeast into the open Atlantic. 44. A low pressure system in the southern Rockies will create mountain snows and valley rain showers. 45. A low pressure system over northern Louisiana produced rain from central Texas to Mississippi and Alabama. 46. Meanwhile, showers will spread toward Florida from southern Mississippi as a low pressure system grinds eastward. 47. A complex low pressure system in the Rockies will weaken as it moves onto the Plains. 48. Rain showers started moving into the Pacific Northwest as a low pressure system approached the coast. 49. A narrow stripe of snow is expected north of a low pressure system crossing the Plains. 50. The typical structure of potent low pressure systems is characterized by several distinct legions of storminess.