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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. $$ Forecaster Stewart
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Summary for Hurricane Iota (AT1/AL312020)
2020-11-17 04:48:19| National Hurricane Center (Atlantic)
...EXTREMELY DANGEROUS HURRICANE IOTA MAKES LANDFALL ALONG THE COAST OF NORTHEASTERN NICARAGUA... ...LIFE-THREATENING STORM SURGE, CATASTROPHIC WINDS, FLASH FLOODING, AND LANDSLIDES EXPECTED ACROSS PORTIONS OF CENTRAL AMERICA... As of 10:45 PM EST Mon Nov 16 the center of Iota was located near 13.6, -83.5 with movement W at 9 mph. The minimum central pressure was 920 mb with maximum sustained winds of about 155 mph.
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Hurricane Iota Update Statement
2020-11-17 04:48:19| National Hurricane Center (Atlantic)
Issued at 1045 PM EST Mon Nov 16 2020 000 WTNT61 KNHC 170348 TCUAT1 Hurricane Iota Tropical Cyclone Update NWS National Hurricane Center Miami FL AL312020 1045 PM EST Mon Nov 16 2020 ...EXTREMELY DANGEROUS HURRICANE IOTA MAKES LANDFALL ALONG THE COAST OF NORTHEASTERN NICARAGUA... ...LIFE-THREATENING STORM SURGE, CATASTROPHIC WINDS, FLASH FLOODING, AND LANDSLIDES EXPECTED ACROSS PORTIONS OF CENTRAL AMERICA... Category 4 Hurricane Iota, with sustained winds near 155 mph (250 km/h), made landfall along the northeastern coast of Nicaragua near the town of Haulover, or about 30 miles (45 km) south of Puerto Cabezas, at 1040 PM EST...0340 UTC...this Monday evening. Hurricane Iota's landfall location is approximately 15 miles (25 km) south of where Category 4 Hurricane Eta made landfall earlier this month on November 3rd. SUMMARY OF 1040 PM EST...0340 UTC...INFORMATION ----------------------------------------------- LOCATION...13.6N 83.5W ABOUT 30 MI...45 KM S OF PUERTO CABEZAS NICARAGUA ABOUT 100 MI...155 KM SSW OF CABO GRACIAS A DIOS ON NIC/HON BORDER MAXIMUM SUSTAINED WINDS...155 MPH...250 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...920 MB...27.17 INCHES $$ Forecaster Stewart/Latto
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Hurricane Iota Graphics
2020-11-17 03:36:06| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Tue, 17 Nov 2020 02:36:06 GMT Wind Speed Probabilities last updated Tue, 17 Nov 2020 02:36:06 GMT
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Hurricane Iota Forecast Discussion Number 15
2020-11-17 03:35:16| National Hurricane Center (Atlantic)
Issued at 1000 PM EST Mon Nov 16 2020 000 WTNT41 KNHC 170235 TCDAT1 Hurricane Iota Discussion Number 15 NWS National Hurricane Center Miami FL AL312020 1000 PM EST Mon Nov 16 2020 Iota is about to make landfall on the coast of northeastern Nicaragua about 30 miles south-southwest of Puerto Cabezas. Satellite images show that the hurricane is very powerful with a circular well-defined eye and a fairly symmetric convective ring surrounding that feature. The Air Force Hurricane Hunters were investigating Iota earlier this evening and found that the minimum pressure was fairly steady at around 920 mb. Based on the aircraft data, including 143-kt flight-level winds, the initial intensity is set at 135 kt. Iota is moving to the west at about 8 kt and this general motion is expected to continue during the next couple of days, taking the cyclone across northern Nicaragua and southern Honduras. Rapid weakening is forecast as Iota moves inland, and the cyclone is anticipated to dissipate over the rugged terrain of Central America on Wednesday. The NHC track forecast follows the various consensus models, and the intensity forecast is close to the Decay-SHIPS guidance. This is a catastrophic situation for northeastern Nicaragua with an extreme storm surge of 15-20 ft forecast along with destructive winds and potentially 30 inches of rainfall. In addition, the situation is exacerbated by the fact that Iota is making landfall in almost the exact same location that category 4 Hurricane Eta did a little less than two weeks ago. Key Messages: 1. Iota is a catastrophic hurricane. Extreme winds and a life-threatening storm surge are expected along portions of the coast of northeastern Nicaragua during the next several hours, where a hurricane warning is in effect. 2. Life-threatening flash flooding and river flooding is expected through Thursday across portions of Central America due to the heavy rainfall. Flooding and mudslides in Honduras and Nicaragua could be exacerbated by Hurricane Etas recent effects there, resulting in significant to potentially catastrophic impacts. FORECAST POSITIONS AND MAX WINDS INIT 17/0300Z 13.6N 83.4W 135 KT 155 MPH...NEAR THE COAST 12H 17/1200Z 13.7N 84.7W 75 KT 85 MPH...INLAND 24H 18/0000Z 13.8N 86.8W 45 KT 50 MPH...INLAND 36H 18/1200Z 13.8N 88.8W 30 KT 35 MPH...INLAND 48H 19/0000Z...DISSIPATED $$ Forecaster Cangialosi/Roberts
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