Genevieve Weakens to a Tropical Storm

Former Hurricane Genevieve weakened to a tropical storm on Thursday evening.  At 11:00 p.m. EDT on Thursday the center of Tropical Storm Genevieve was located at latitude 21.3°N and longitude 126.0°W which put the center about 1035 miles (1665 km) west of southern tip of Baja California.  Genevieve was moving toward the west-northwest at 15 m.p.h. (24 km/h).  The maximum sustained wind speed was 70 m.p.h. (110 km/h) and there were wind gusts to 85 m.p.h. (135 km/h).  The minimum surface pressure was 989 mb.

Former Hurricane Genevieve continued to weaken gradually on Thursday as it moved over cooler water in the Eastern North Pacific Ocean west of Baja California.  Thunderstorms were still occurring near the center of Genevieve’s circulation.  Bands of showers and thunderstorms were revolving around the center of Tropical Storm Genevieve.  Storms near the center of Genevieve still generated upper level divergence that pumped mass away from the hurricane.  However, the removal of mass in the upper levels was less than the convergence of mass in the lower levels of the atmosphere.  So, the surface pressure continued to increase on Thursday.

Winds to tropical storm force extended out 125 miles (200 km) from the center of Tropical Storm Genevieve.

Tropical Storm Genevieve will move through an environment that will be unfavorable for intensification during the next 24 hours.  Genevieve will move over water where the Sea Surface Temperatures are near 24°C.  It will move through a region where the upper level winds are weak and there will be little vertical wind shear.  Tropical Storm Genevieve will continue to weaken on Friday as it moves over cooler water.

Tropical Storm Genevieve will move around the southwestern part of a high pressure system that is over the Southwest U.S.  The high pressure system will steer Genevieve toward the west-northwest during the next 24 hours.  On its anticipated track, Tropical Storm Genevieve will continue to move farther away from Baja California.

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