Blanca Tropical Storm and Andres Hurricane

posted Jun 2, 2015, 5:23 AM by Tom Kachelman   [ updated Jun 11, 2019, 11:01 PM ]
Tropical Storm Blanca to turn into hurricane
Blanca Rapid strengthening is forecast. At 04:00hr CDT (0900 UTC), the center of Tropical Storm Blanca was located near latitude 13.3 North, longitude 104.6 West, about 585km/365 mi SW of Zihuatanejo and about 635km/395mi S of Manzanillo Mexico Blanca is moving toward the west near 1 mph (2 km/h). A slow and erratic motion is expected during the next couple of days.
The tropical storm Blanca appears to be poised to intensify as a favorable environment characterized by low shear, warm water, and a moist atmosphere is expected during the next few days. The ASCAT data suggest that Blanca has drifted westward overnight, however, little overall motion is forecast during the next couple of days while the cyclone remains in an area of weak steering flow.
After 48 hours, a mid-level ridge is forecast to strengthen and shift eastward over northern Mexico. This should cause Blanca to move northwestward at a faster forward speed beginning Thursday.
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Rapid strengthening is forecast during the next couple of days, and Blanca is forecast to become a major hurricane by Wednesday night or early Thursday.

At 200 AM PDT (0900 UTC), the center of Hurricane Andres was located near latitude 17.2 North, longitude 122.2 West. Andres is moving toward the northwest near 10 mph (17 km/h). This general motion is expected to continue today, followed by a turn toward the north and a decrease in forward speed on Wednesday.
Maximum sustained winds have decreased to near 105 mph (165 km/h) with higher gusts. Continued weakening is forecast during the next 48 hours, and Andres is expected to become a tropical storm tonight or Wednesday.

Andres Hurricane

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