Public Tropical Cyclone Advisory

738
WTPZ32 KNHC 210244
TCPEP2
 
BULLETIN
Tropical Storm Polo Advisory Number   2
NWS National Hurricane Center Miami FL       EP172026
900 PM CST Sun Sep 20 2026
 
...DEPRESSION BECOMES TROPICAL STORM POLO...
...FORECAST TO RAPIDLY INTENSIFY INTO A MAJOR HURRICANE...
 
 
SUMMARY OF 900 PM CST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...15.1N 104.6W
ABOUT 270 MI...435 KM S OF MANZANILLO MEXICO
ABOUT 270 MI...430 KM SW OF ZIHUATANEJO MEXICO
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...ENE OR 75 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
 
 
WATCHES AND WARNINGS
--------------------
Interests along the southwestern coast of Mexico should monitor the
progress of this system.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 900 PM CST (0300 UTC), the center of Tropical Storm Polo was 
located near latitude 15.1 North, longitude 104.6 West. Polo is now 
moving toward the east-northeast near 5 mph (7 km/h). A turn toward 
the east is expected on Tuesday, followed by a decrease in forward 
speed and a sharp turn toward the north and northwest on Wednesday.
 
Maximum sustained winds have increased to near 40 mph (65 km/h) 
with higher gusts. Rapid intensification is forecast over the next 
few days, and Polo is expected to become a major hurricane by the 
middle part of the week. 
 
Tropical-storm-force winds extend outward up to 45 miles (75 km)
from the center.
 
The estimated minimum central pressure is 1004 mb (29.65 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Tropical Storm Polo can be found in the Tropical 
Cyclone Discussion under AWIPS header MIATCDEP2 and WMO header 
WTPZ42 KNHC.
 
RAINFALL: Tropical Storm Polo is expected to produce rainfall totals 
of 4 to 8 inches, with isolated maximum totals up to 12 inches 
across coastal portions of the Mexican states of Michoacán, Colima, 
and Jalisco through Thursday. This rainfall may produce 
life-threatening flooding and mudslides, especially in areas of 
steep terrain.

For a complete depiction of forecast rainfall associated with 
Tropical Storm Polo, please see the National Weather Service Storm 
Total Rainfall Graphic available at 
hurricanes.gov/graphics_ep2.shtml?rainqpf
 
 
NEXT ADVISORY
-------------
Next complete advisory at 300 AM CST.