NHC has not posted watches or warnings on Simon, but the tropical storm is large and close enough to shore to generate some heavy rainfall totals and rough surf.
Simon is expected to produce rainfall amounts of 3 to 5 inches with isolated amounts around 8 inches through Friday, Oct. 3 across Western Guerrero and Michoacan, Colima, western Jalisco and Nayarit in western Mexico. These rains could cause flash flooding and mud slides.
Simon is generating ocean swells and rough surf that is already affecting southwestern Mexico's coast. These swells are likely to cause life-threatening surf and rip current conditions.
At 5 a.m. EDT Simon had maximum sustained winds near 40 mph (65 kph) and some strengthening is forecast during the next two days. Simon's center was located near latitude 18.1 north and longitude 106.1 west. That's about 135 miles (215 km) west-southwest of Manzanillo, Mexico and Simon was moving toward the west-northwest near 10 mph (17 kph) and is expected to continue through Oct. 3. Simon's center is expected gradually move away from the southwestern coast of Mexico today.
The NHC's Forecaster Cangialosi noted that Simon is expected to strengthen during the next few days while the storm remains over warm water and within a fairly low wind shear and moist environment. Conditions will change in three days when the storm is expected to start on a weakening trend.
Mexico's western coast is again dealing with rain, wind and rough surf from another tropical storm. NOAA's GOES-West satellite saw the formation of Tropical Storm Simon on Oct. 2. A NASA animation of NOAA's GOES-West satellite imagery shows the development of Simon over three days (Bottom right).
(Photo Credit: NASA NOAA GOES Project)
NOAA's GOES-West satellite captured this infrared image of newborn Tropical Storm Simon on Oct. 2 at 9:15 a.m. EDT, when it was off the coast of southwestern Mexico.
(Photo Credit: NASA/NOAA GOES Project)
Source: NASA/Goddard Space Flight Center