WTPZ32 KNHC 292331 TCPEP2 BULLETIN Tropical Storm Polo Intermediate Advisory Number 37A NWS National Hurricane Center Miami FL EP172026 500 PM MST Tue Sep 29 2026 ...POLO RAPIDLY WEAKENING OVER NORTHWESTERN MEXICO... ...HEAVY RAINS CONTINUE... SUMMARY OF 500 PM MST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...30.0N 108.5W ABOUT 200 MI...320 KM NE OF GUAYMAS MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.41 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in northwestern Mexico, southern New Mexico, and far western Texas should continue to monitor the progress of Polo. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 PM MST (0000 UTC), the center of Tropical Storm Polo was located near latitude 30.0 North, longitude 108.5 West. Polo is moving toward the northeast near 21 mph (33 km/h) and this motion is expected to continue tonight. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Polo is expected to dissipate within the next several hours. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 996 mb (29.41 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Polo can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC. WIND: Tropical storm conditions, especially in gusts, are still occurring well inland over northwestern Mexico. A Wind Advisory is in effect for portions of southern New Mexico and far western Texas where strong gusty winds are possible late today and tonight in association with Polo’s remnants. Refer to products issued by your local National Weather Service Forecast Office for additional information. RAINFALL: Polo is expected to produce rainfall totals of 4 to 6 inches across southern and central portions of Sonora with isolated maximum totals of 8 inches. This rainfall may produce life-threatening flooding and mudslides, especially in areas of steep terrain. For a complete depiction of forecast rainfall associated with 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 800 PM MST. $$ Forecaster Cangialosi