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Hurricane Iota Forecast Advisory Number 16

2020-11-17 09:38:53| National Hurricane Center (Atlantic)

Issued at 0900 UTC TUE NOV 17 2020 000 WTNT21 KNHC 170838 TCMAT1 HURRICANE IOTA FORECAST/ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL AL312020 0900 UTC TUE NOV 17 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF COLOMBIA HAS DISCONTINUED THE TROPICAL STORM WARNING FOR PROVIDENCIA AND SAN ANDRES ISLANDS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE COAST OF NICARAGUA FROM THE HONDURAS/NICARAGUA BORDER TO SANDY BAY SIRPI * THE COAST OF NORTHEASTERN HONDURAS FROM PUNTA PATUCA TO THE HONDURAS/NICARAGUA BORDER A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE COAST OF NICARAGUA FROM SOUTH OF SANDY BAY SIRPI TO BLUEFIELDS * THE NORTHERN COAST OF HONDURAS FROM WEST OF PUNTA PATUCA TO THE GUATEMALA/HONDURAS BORDER * BAY ISLANDS A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD HAVE ALREADY BEEN COMPLETED. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 12 TO 24 HOURS. INTERESTS ELSEWHERE IN NICARAGUA AND HONDURAS SHOULD MONITOR THE PROGRESS OF IOTA. HURRICANE CENTER LOCATED NEAR 13.7N 84.3W AT 17/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 950 MB MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT. 64 KT....... 30NE 25SE 10SW 20NW. 50 KT....... 60NE 60SE 20SW 40NW. 34 KT.......150NE 120SE 90SW 140NW. 12 FT SEAS..180NE 120SE 0SW 150NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 13.7N 84.3W AT 17/0900Z AT 17/0600Z CENTER WAS LOCATED NEAR 13.7N 83.9W FORECAST VALID 17/1800Z 13.8N 85.7W...INLAND MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 40SE 30SW 40NW. 34 KT...140NE 90SE 60SW 140NW. FORECAST VALID 18/0600Z 13.8N 87.9W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT...130NE 0SE 0SW 130NW. FORECAST VALID 18/1800Z 13.7N 89.8W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 19/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.7N 84.3W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 17/1200Z NEXT ADVISORY AT 17/1500Z $$ FORECASTER STEWART

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Hurricane Iota Public Advisory Number 16

2020-11-17 09:38:53| National Hurricane Center (Atlantic)

Issued at 400 AM EST Tue Nov 17 2020 000 WTNT31 KNHC 170838 TCPAT1 BULLETIN Hurricane Iota Advisory Number 16 NWS National Hurricane Center Miami FL AL312020 400 AM EST Tue Nov 17 2020 ...IOTA RAPIDLY WEAKENING OVER NORTHEASTERN NICARAGUA... ...LIFE-THREATENING STORM SURGE, CATASTROPHIC WINDS, FLASH FLOODING, AND LANDSLIDES EXPECTED ACROSS PORTIONS OF CENTRAL AMERICA... SUMMARY OF 400 AM EST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...13.7N 84.3W ABOUT 10 MI...15 KM ENE OF EL PIA NICARAGUA ABOUT 65 MI...105 KM WSW OF PUERTO CABEZAS NICARAGUA MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...950 MB...28.06 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Colombia has discontinued the Tropical Storm Warning for Providencia and San Andres Islands. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * The coast of Nicaragua from the Honduras/Nicaragua border to Sandy Bay Sirpi * The coast of northeastern Honduras from Punta Patuca to the Honduras/Nicaragua border A Tropical Storm Warning is in effect for... * The coast of Nicaragua from south of Sandy Bay Sirpi to Bluefields * The northern coast of Honduras from west of Punta Patuca to the Guatemala/Honduras border * Bay Islands A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should have already been completed. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. Interests elsewhere in Nicaragua and Honduras should monitor the progress of Iota. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 400 AM EST (0900 UTC), the center of Hurricane Iota was located near latitude 13.7 North, longitude 84.3 West. Iota is moving toward the west near 9 mph (15 km/h), and this general motion is expected to continue during the next day or so. On the forecast track, Iota will move farther inland across northern Nicaragua today, and move across southern Honduras tonight and Wednesday. Maximum sustained winds are near 105 mph (165 km/h) with higher gusts. Iota is now a category 2 hurricane on the Saffir-Simpson Hurricane Wind Scale. Additional rapid weakening is expected today into Wednesday, and Iota is forecast to dissipate over Central America by Wednesday night. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 175 miles (280 km). Puerto Cabezas airport in Nicaragua recently reported a sustained wind of 51 mph (82 km/h) and a gust to 77 mph (124 km/h). The estimated minimum central pressure is 950 mb (28.06 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Hurricane 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. STORM SURGE: A life-threatening storm surge will raise water levels by as much as 5 to 10 feet above normal tide levels in areas of onshore winds along the coast of Nicaragua and Honduras. Near the coast, the surge will be accompanied by large and destructive waves. WIND: Significant wind damage is occurring near Iota's eyewall and these winds will spread farther inland across northern Nicaragua during the next several hours. Tropical storm conditions are occurring in the Tropical Storm Warning areas in Nicaragua and 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 couple of days. 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 700 AM EST. Next complete advisory at 1000 AM EST. $$ Forecaster Stewart

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Hurricane Iota Public Advisory Number 15A

2020-11-17 06:59:50| National Hurricane Center (Atlantic)

Issued at 100 AM EST Tue Nov 17 2020 000 WTNT31 KNHC 170559 TCPAT1 BULLETIN Hurricane Iota Intermediate Advisory Number 15A NWS National Hurricane Center Miami FL AL312020 100 AM EST Tue Nov 17 2020 ...EXTREMELY DANGEROUS IOTA MOVING ACROSS NORTHEASTERN NICARAGUA... ...LIFE-THREATENING STORM SURGE, CATASTROPHIC WINDS, FLASH FLOODING, AND LANDSLIDES EXPECTED ACROSS PORTIONS OF CENTRAL AMERICA... SUMMARY OF 100 AM EST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...13.7N 83.9W ABOUT 40 MI...60 KM SW OF PUERTO CABEZAS NICARAGUA ABOUT 105 MI...165 KM SSW OF CABO GRACIAS A DIOS ON NIC/HON BORDER MAXIMUM SUSTAINED WINDS...130 MPH...210 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * The coast of Nicaragua from the Honduras/Nicaragua border to Sandy Bay Sirpi * The coast of northeastern Honduras from Punta Patuca to the Honduras/Nicaragua border A Tropical Storm Warning is in effect for... * Providencia * San Andres * The coast of Nicaragua from south of Sandy Bay Sirpi to Bluefields * The northern coast of Honduras from west of Punta Patuca to the Guatemala/Honduras border * Bay Islands A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should have already been completed. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. Interests elsewhere in Nicaragua and Honduras should monitor the progress of Iota. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 100 AM EST (0600 UTC), the center of Hurricane Iota was located near latitude 13.7 North, longitude 83.9 West. Iota is moving toward the west near 9 mph (15 km/h) and this motion is expected to continue during the next day or so. On the forecast track, Iota will move farther inland across northern Nicaragua this morning, and move across southern Honduras Tuesday night. Maximum sustained winds have decreased to near 130 mph (210 km/h) with higher gusts. Iota is an extremely dangerous category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Rapid weakening is expected to continue today and Wednesday, and Iota is forecast to dissipate over Central America by Wednesday night. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 175 miles (280 km). The estimated minimum central pressure is 935 mb (27.61 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Hurricane 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. STORM SURGE: A life-threatening storm surge will raise water levels by as much as 10 to 15 feet above normal tide levels in areas of onshore winds along the coast of Nicaragua and Honduras. Near the coast, the surge will be accompanied by large and destructive waves. WIND: Catastrophic wind damage is occurring near Iota's eyewall and these winds will spread farther inland across northern Nicaragua during the next several hours. Tropical storm conditions are occurring in the Tropical Storm Warning areas in Nicaragua and Honduras. Tropical storm conditions should subside during the next few hours on the islands of Providencia and San Andres. RAINFALL: Iota is expected to produce the following rainfall accumulations through Thursday: Honduras, northern Nicaragua, southeast Guatemala and southern Belize: 10 to 20 inches (250 to 500 mm). Isolated maximum totals of 30 inches (750 mm) across northeast Nicaragua and northern Honduras. El Salvador and Panama: 6 to 10 inches (150 to 250 mm), with isolated maximum totals of 15 inches (380 mm). This rainfall would 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). This rainfall would 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 couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 400 AM EST. $$ Forecaster Stewart

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Hurricane Iota Public Advisory Number 15

2020-11-17 03:34:17| National Hurricane Center (Atlantic)

Issued at 1000 PM EST Mon Nov 16 2020 000 WTNT31 KNHC 170234 TCPAT1 BULLETIN Hurricane Iota Advisory Number 15 NWS National Hurricane Center Miami FL AL312020 1000 PM EST Mon Nov 16 2020 ...EXTREMELY DANGEROUS IOTA EXPECTED TO MAKE LANDFALL VERY SOON... ...CATASTROPHIC WINDS, LIFE-THREATENING STORM SURGE, AND TORRENTIAL RAINFALL OCCURRING IN CENTRAL AMERICA... SUMMARY OF 1000 PM EST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...13.6N 83.4W ABOUT 30 MI...45 KM S OF PUERTO CABEZAS NICARAGUA ABOUT 100 MI...155 KM S OF CABO GRACIAS A DIOS ON NIC/HON BORDER MAXIMUM SUSTAINED WINDS...155 MPH...250 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...920 MB...27.17 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * The coast of Nicaragua from the Honduras/Nicaragua border to Sandy Bay Sirpi * The coast of northeastern Honduras from Punta Patuca to the Honduras/Nicaragua border A Tropical Storm Warning is in effect for... * Providencia * San Andres * The coast of Nicaragua from south of Sandy Bay Sirpi to Bluefields * The northern coast of Honduras from west of Punta Patuca to the Guatemala/Honduras border * Bay Islands A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should have already been completed. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. Interests elsewhere in Nicaragua and Honduras should monitor the progress of Iota. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1000 PM EST (0300 UTC), the center of Hurricane Iota was located near latitude 13.6 North, longitude 83.4 West. Iota is moving toward the west near 9 mph (15 km/h) and this motion is expected to continue during the next day or so. On the forecast track, Iota is expected to make landfall in northeastern Nicaragua during the next hour or two and move inland across northern Nicaragua and southern Honduras on Tuesday. Maximum sustained winds are near 155 mph (250 km/h) with higher gusts. Iota is an extremely dangerous category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Rapid weakening is forecast after Iota moves inland, and it is expected to dissipate over Central America on Wednesday. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 175 miles (280 km). Puerto Cabezas airport in Nicaragua recently reported sustained winds of 70 mph (113 km/h) with a gust to 103 mph (166 km/h). The estimated minimum central pressure based on data from an Air Force reconnaissance aircraft is 920 mb (27.17 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Hurricane 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. STORM SURGE: A life-threatening storm surge will raise water levels by as much as 15 to 20 feet above normal tide levels in areas of onshore winds along the coast of Nicaragua and Honduras. Near the coast, the surge will be accompanied by large and destructive waves. WIND: Catastrophic wind damage is occurring near Iota's eyewall and these winds will spread inland across northern Nicaragua during the next several hours. Tropical storm conditions are occurring in the Tropical Storm Warning areas in Nicaragua and Honduras. Tropical storm conditions should subside during the next few hours on the islands of Providencia and San Andres. RAINFALL: Iota is expected to produce the following rainfall accumulations through Thursday: Honduras, northern Nicaragua, southeast Guatemala and southern Belize: 10 to 20 inches (250 to 500 mm). Isolated maximum totals of 30 inches (750 mm) across northeast Nicaragua and northern Honduras. El Salvador and Panama: 6 to 10 inches (150 to 250 mm), with isolated maximum totals of 15 inches (380 mm). This rainfall would 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). This rainfall would 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 couple of days. 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 100 AM EST. Next complete advisory at 400 AM EST. $$ Forecaster Cangialosi/Roberts

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Hurricane Iota Forecast Advisory Number 15

2020-11-17 03:32:45| National Hurricane Center (Atlantic)

Issued at 0300 UTC TUE NOV 17 2020 000 WTNT21 KNHC 170232 TCMAT1 HURRICANE IOTA FORECAST/ADVISORY NUMBER 15 NWS NATIONAL HURRICANE CENTER MIAMI FL AL312020 0300 UTC TUE NOV 17 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE COAST OF NICARAGUA FROM THE HONDURAS/NICARAGUA BORDER TO SANDY BAY SIRPI * THE COAST OF NORTHEASTERN HONDURAS FROM PUNTA PATUCA TO THE HONDURAS/NICARAGUA BORDER A TROPICAL STORM WARNING IS IN EFFECT FOR... * PROVIDENCIA * SAN ANDRES * THE COAST OF NICARAGUA FROM SOUTH OF SANDY BAY SIRPI TO BLUEFIELDS * THE NORTHERN COAST OF HONDURAS FROM WEST OF PUNTA PATUCA TO THE GUATEMALA/HONDURAS BORDER * BAY ISLANDS A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD HAVE ALREADY BEEN COMPLETED. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. INTERESTS ELSEWHERE IN NICARAGUA AND HONDURAS SHOULD MONITOR THE PROGRESS OF IOTA. HURRICANE CENTER LOCATED NEAR 13.6N 83.4W AT 17/0300Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 920 MB MAX SUSTAINED WINDS 135 KT WITH GUSTS TO 165 KT. 64 KT....... 40NE 35SE 30SW 30NW. 50 KT....... 70NE 70SE 40SW 60NW. 34 KT.......150NE 120SE 100SW 140NW. 12 FT SEAS..240NE 150SE 45SW 180NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 13.6N 83.4W AT 17/0300Z AT 17/0000Z CENTER WAS LOCATED NEAR 13.6N 83.1W FORECAST VALID 17/1200Z 13.7N 84.7W...INLAND MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 30NE 20SE 0SW 0NW. 50 KT... 60NE 60SE 30SW 40NW. 34 KT...140NE 110SE 70SW 140NW. FORECAST VALID 18/0000Z 13.8N 86.8W...INLAND MAX WIND 45 KT...GUSTS 55 KT. 34 KT...130NE 70SE 40SW 150NW. FORECAST VALID 18/1200Z 13.8N 88.8W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 19/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.6N 83.4W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 17/0600Z NEXT ADVISORY AT 17/0900Z $$ FORECASTER CANGIALOSI

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