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Tropical Storm Iota Public Advisory Number 18
2020-11-17 21:42:16| National Hurricane Center (Atlantic)
Issued at 300 PM CST Tue Nov 17 2020 614 WTNT31 KNHC 172042 TCPAT1 BULLETIN Tropical Storm Iota Advisory Number 18 NWS National Hurricane Center Miami FL AL312020 300 PM CST Tue Nov 17 2020 ...THREAT OF CATASTROPHIC FLASH FLOODING AND MUDSLIDES CONTINUES ACROSS PORTIONS OF CENTRAL AMERICA FROM IOTA... SUMMARY OF 300 PM CST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...13.7N 86.2W ABOUT 75 MI...125 KM ESE OF TEGUCIGALPA HONDURAS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Nicaragua has discontinued the Tropical Storm Warning for the east coast of Nicaragua from Bluefields northward to the border with Honduras. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * The coast of Honduras * Bay Islands A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 300 PM CST (2100 UTC), the center of Tropical Storm Iota was located near latitude 13.7 North, longitude 86.2 West. Iota is moving toward the west near 12 mph. The center of the storm will move into southern Honduras tonight before dissipating near El Salvador early Wednesday. Maximum sustained winds have decreased to near 60 mph (95 km/h) with higher gusts. Iota should weaken to a tropical depression this evening and degenerate into a remnant low pressure area on Wednesday. Tropical-storm-force winds extend outward up to 195 miles (315 km) from the center. The estimated minimum central pressure is 993 mb (29.33 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Iota can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. WIND: Strong winds are occuring near the center of Iota and these winds will spread farther inland across southern Honduras during the next several hours. Tropical storm conditions are also occurring in the Tropical Storm Warning areas along the coast in Honduras. RAINFALL: Iota is expected to produce the following rainfall accumulations through Thursday: Honduras, northern Nicaragua, southeast and central Guatemala and southern Belize: 10 to 20 inches (250 to 500 mm), with isolated maximum totals of 30 inches (750 mm). El Salvador and Panama: 4 to 8 inches (100 to 200 mm), with isolated maximum totals of 12 inches (300 mm). This rainfall will lead to significant, life-threatening flash flooding and river flooding, along with mudslides in areas of higher terrain. Southern Nicaragua and Costa Rica: 3 to 5 inches (75 to 125 mm), with isolated maximum totals of 10 inches (250 mm). SURF: Swells generated by Iota will affect much of the coast of Central America and the Yucatan Peninsula during the next day or so. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 600 PM CST. Next complete advisory at 900 PM CST. $$ Forecaster Blake
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