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| #880239 (Received by flhurricane at: 12:42 AM 22.Nov.2016) TCPAT1 BULLETIN TROPICAL STORM OTTO INTERMEDIATE ADVISORY NUMBER 5A NWS NATIONAL HURRICANE CENTER MIAMI FL AL162016 100 AM EST TUE NOV 22 2016 ...OTTO MEANDERING OVER THE SOUTHWESTERN CARIBBEAN SEA... SUMMARY OF 100 AM EST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...10.7N 79.0W ABOUT 220 MI...355 KM SE OF SAN ANDRES ISLAND ABOUT 335 MI...545 KM ESE OF BLUEFIELDS NICARAGUA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...SSE OR 155 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 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 100 AM EST (0600 UTC), the center of Tropical Storm Otto was located near latitude 10.7 North, longitude 79.0 West. Otto has been drifting south-southeastward at around 2 mph (4 km/h) during the past few hours. Little net motion is expected overnight, but a slow westward motion is foreast to begin later today. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Strengthening is expected during the next 48 hours, and Otto is forecast to become a hurricane later today or tonight. Otto is a small tropical cyclone. Tropical-storm-force winds only extend outward up to 35 miles (55 km) from the center. The estimated minimum central pressure is 998 mb (29.47 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 the higher terrain of Central America. 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. NEXT ADVISORY ------------- Next complete advisory at 400 AM EST. $$ Forecaster Brennan |
