Tropical Storm Boris Public Advisory Number 5
Issued at 900 AM CST Mon Jun 08 2026
000 WTPZ32 KNHC 081454 TCPEP2 BULLETIN Tropical Storm Boris Advisory Number 5 NWS National Hurricane Center Miami FL EP022026 900 AM CST Mon Jun 08 2026 ...BORIS CONTINUES MOVING VERY SLOWLY OFF THE COAST OF GUERRERO MEXICO... ...FLOODING RAINS ARE THE PRIMARY THREAT... SUMMARY OF 900 AM CST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...16.0N 99.2W ABOUT 80 MI...125 KM SE OF ACAPULCO MEXICO ABOUT 45 MI...70 KM WSW OF PUNTA MALDONADO MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Laguna de Chacahua to Tecpan de Galeana A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 12 to 24 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 900 AM CST (1500 UTC), the center of Tropical Storm Boris was located near latitude 16.0 North, longitude 99.2 West. Boris is moving toward the north near 3 mph (6 km/h), and a gradual turn toward the northwest is expected tonight. On the forecast track, the center of Boris is expected to reach the coast of Guerrero, Mexico, by this evening. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Some slight strengthening is possible today, but quick weakening is expected once the center reaches the coast. Boris is forecast to dissipate inland over Mexico by Tuesday. Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Boris can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC. RAINFALL: Boris is expected to produce additional rainfall totals of 4 to 8 inches, with maximum totals of 12 inches possible across coastal portions of the Mexican states of Guerrero and Oaxaca through Tuesday. This rainfall may produce life-threatening flooding and mudslides, especially in areas of steep terrain. For a complete depiction of forecast rainfall associated with Boris, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_ep2.shtml?rainqpf WIND: Tropical storm conditions are expected to begin along the coast within the warning area later today. NEXT ADVISORY ------------- Next intermediate advisory at 1200 PM CST. Next complete advisory at 300 PM CST. $$ Forecaster Pasch