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| #880468 (Received by flhurricane at: 3:57 PM 24.Nov.2016) TCPAT1 BULLETIN HURRICANE OTTO ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162016 400 PM EST THU NOV 24 2016 ...HURRICANE OTTO MOVING FARTHER INLAND OVER SOUTHERN NICARAGUA... ...TORRENTIAL RAINS CAUSING LIFE-THREATENING FLOODS AND MUDSLIDES EXPECTED TO CONTINUE OVER NICARAGUA AND COSTA RICA... SUMMARY OF 400 PM EST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...11.0N 84.3W ABOUT 60 MI...100 KM E OF SAN CARLOS NICARAGUA ABOUT 135 MI...220 KM E OF SAN JUAN DEL SUR NICARAGUA MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Governments of Nicaragua and Costa Rica have discontinued the Hurricane Warning and Watch for those countries, respectively. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Limon Costa Rica to Bluefields Nicaragua A Tropical Storm Warning is in effect for... * North of Bluefields to Sandy Bay Sirpi Nicaragua * Puntarenas Costa Rica to Puerto Sandino Nicaragua Interests elsewhere in Nicaragua and Costa Rica should monitor the progress of Otto. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 400 PM EST (2100 UTC), the center of Hurricane Otto was located inland over southern Nicaragua near latitude 11.0 North, longitude 84.3 West. Otto is moving toward the west near 12 mph (19 km/h), but a faster motion toward the west or west-southwest is expected to begin tonight and continue through early Saturday. On the forecast track, the center of Otto will continue to move across southern Nicaragua and northern Costa Rica through this evening, and emerge off of the Pacific coast of southern Nicaragua or northern Costa Rica by early Friday. Maximum sustained winds have decreased to near 100 mph (155 km/h) with higher gusts. Rapid weakening is forecast and Otto is expected to become a tropical storm by tonight. Additional weakening is anticipated after Otto moves over the Pacific Ocean. Hurricane-force winds extend outward up to 15 miles (30 km) from the center and tropical-storm-force winds extend outward up to 70 miles (110 km). The estimated minimum central pressure is 979 mb (28.91 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Total rainfall of 6 to 12 inches, with isolated amounts of 15 to 20 inches, can be expected across northern Costa Rica and southern Nicaragua through tonight. These rains will likely result in life-threatening flash floods and mudslides. Recent reports from amateur radio operators indicate that mudslides are occurring over portions of northern Costa Rica. Outer rain bands from Otto are expected to produce rainfall accumulations of 3 to 6 inches with total rainfall amounts of up to 10 inches over the higher terrain of far western Panama and southern Costa Rica through Friday. Additional rainfall amounts of 1 to 3 inches can be expected tonight over San Andres and Providencia Islands. WIND: Hurricane and tropical storm conditions are occurring in the warning area. Tropical storm conditions are expected in the warning area along the Pacific coasts of Costa Rica and Nicaragua by this evening. STORM SURGE: The combination of a dangerous storm surge and large and destructive waves could raise water levels by as much 3 to 5 feet above normal tide levels in areas of onshore flow within the hurricane warning area. Water levels will subside by tonight. SURF: Swells generated by Otto are likely to cause life-threatening surf and rip current conditions over the next several days along the coasts of Panama, Costa Rica, and Nicaragua. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 700 PM EST. Next complete advisory at 1000 PM EST. $$ Forecaster Stewart |
