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| #880260 (Received by flhurricane at: 6:54 AM 22.Nov.2016) TCPAT1 BULLETIN TROPICAL STORM OTTO INTERMEDIATE ADVISORY NUMBER 6A NWS NATIONAL HURRICANE CENTER MIAMI FL AL162016 700 AM EST TUE NOV 22 2016 ...AIR FORCE RESERVE AIRCRAFT FINDS OTTO NEAR HURRICANE STRENGTH... SUMMARY OF 700 AM EST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...10.5N 79.1W ABOUT 225 MI...360 KM SE OF SAN ANDRES ISLAND ABOUT 335 MI...545 KM ESE OF BLUEFIELDS NICARAGUA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...986 MB...29.12 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * San Andres A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests in Nicaragua, Costa Rica, and Providencia Island 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 700 AM EST (1200 UTC), the center of Tropical Storm Otto was located near latitude 10.5 North, longitude 79.1 West. Otto has been moving erratically, and little net motion is expected today. A slow west-northwestward motion is expected tonight and Wednesday, followed by a turn toward the west Wednesday night. Maximum sustained winds have increased to near 70 mph (110 km/h) with higher gusts. Some strengthening is forecast during the next 48 hours, and Otto is forecast to become a hurricane by Wednesday. Otto is a small tropical storm. Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center. The minimum central pressure reported by an Air Force Reserve Hurricane Hunter aircraft is 986 mb (29.12 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Outer rain bands from Otto are expected to produce rainfall accumulations of 3 to 6 inches over San Andres and Providencia islands, and portions of central and western Panama and southeastern Costa Rica through Wednesday, with isolated totals upwards of 10 to 15 inches across northeastern Costa Rica and the higher terrain of Nicaragua. These rains could result in life- threatening flash floods and mud slides. Additional heavy rainfall may move into portions of Costa Rica Wednesday night into Thursday as the system approaches the coast. WIND: Tropical storm conditions are possible within the watch area by late Wednesday or Wednesday night. NEXT ADVISORY ------------- Next complete advisory at 1000 AM EST. $$ Forecaster Blake/Pasch |
