91.  Weak fronts whose southern ends touch the tropical Atlantic Ocean are breeding grounds for tropical storms during the early stages of hurricane season.

92.  While Sunday will be much like Saturday, a weak cool front will increase the risk for thunderstorms, particularly in the Northeast.

93.  A weak front located north of the area will continue to move north away from the islands.

94.  Puerto Rico and U.S. Virgin Islands waters Synopsis ... A weak front north of the region will drift slowly north and will dissipate through Tuesday.

95.  Southerly winds ahead of a weak front pushed temperatures higher in the Mississippi Valley and southerain Plains.

96.  This could result in numerous showers and isolated thunderstorms over our area as this system interacts with the diurnal heating and the weak front mentioned before.

每页显示:    共 95 句