000 WTNT32 KNHC 020857 TCPAT2 BULLETIN Tropical Storm Bonnie Advisory Number 19 NWS National Hurricane Center Miami FL AL022022 400 AM CDT Sat Jul 02 2022 ...BONNIE NOW OVER LAKE NICARAGUA... ...FLASH FLOODING AND MUD SLIDES EXPECTED TO CONTINUE OVER PORTIONS OF NICARAGUA AND COSTA RICA THROUGH THE DAY... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...11.3N 85.1W ABOUT 45 MI...85 KM NE OF LIBERIA COSTA RICA ABOUT 90 MI...165 KM SE OF MANAGUA NICARAGUA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 14 MPH...22 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... * Limon Costa Rica northward to Sandy Bay Sirpi Nicaragua * Cabo Blanco Costa Rica northward to the border of Nicaragua and Honduras A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 6 to 12 hours. Interests along the Pacific coasts of El Salvador, Guatemala, and southern Mexico should monitor the progress of Bonnie. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 400 AM CDT (0900 UTC), the center of Tropical Storm Bonnie was located near latitude 11.3 North, longitude 85.1 West. Bonnie is moving toward the west near 14 mph (22 km/h), and a continued westward motion with a gradual decrease in forward speed is expected later today. A west-northwestward motion is expected to begin tonight or on Sunday and continue into Tuesday. On the forecast track, Bonnie will move across Lake Nicaragua during the next several hours and emerge over the eastern Pacific Ocean later this morning. Bonnie will then move offshore of but parallel to the coasts of El Salvador, Guatemala, and southern Mexico today through Tuesday. Maximum sustained winds have decreased to near 40 mph (65 km/h) with higher gusts. Gradual strengthening is forecast after Bonnie emerges over the eastern Pacific later today and should continue through Tuesday. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Bonnie can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC. RAINFALL: Bonnie will continue to produce heavy rain across portions of Nicaragua and Costa Rica through today. The following storm total rainfall amounts are expected: Nicaragua and Costa Rica: 4 to 8 inches, localized 12 inches. This rainfall is expected to result in life-threatening flash flooding and mudslides. WIND: Tropical storm conditions are occurring in the Tropical Storm Warning area along the Caribbean coasts of Nicaragua and Costa Rica, and these will continue to spread westward to the Pacific coast within the warning areas during the next few hours. STORM SURGE: Water levels are expected to subside along the Caribbean coast of Nicaragua later this morning. NEXT ADVISORY ------------- Next intermediate advisory at 700 AM CDT. Next complete advisory at 1000 AM CDT. The intermediate advisory at 700 AM CDT will be issued under Atlantic AWIPS header MIATCPAT2 and WMO header WTNT32 KNHC. The next complete advisory at 1000 AM CDT will be issued as an Eastern North Pacific Public Advisory under AWIPS header MIATCPEP4 and WMO header WTPZ34 KNHC. $$ Forecaster Papin