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Remnants of Iota Public Advisory Number 21

2020-11-18 15:40:59| National Hurricane Center (Atlantic)

Issued at 900 AM CST Wed Nov 18 2020 000 WTNT31 KNHC 181440 TCPAT1 BULLETIN Remnants Of Iota Advisory Number 21 NWS National Hurricane Center Miami FL AL312020 900 AM CST Wed Nov 18 2020 ...IOTA DISSIPATES OVER CENTRAL AMERICA... ...HEAVY RAIN THREAT CONTINUES... SUMMARY OF 900 AM CST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...13.8N 89.5W ABOUT 20 MI...35 KM WNW OF SAN SALVADOR EL SALVADOR MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 900 AM CST (1500 UTC), the remnants of Iota were located near latitude 13.8 North, longitude 89.5 West. The remnants are moving toward the west near 12 mph (19 km/h), and this general motion is expected to continue today. Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. The estimated minimum central pressure is 1006 mb (29.71 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. RAINFALL: The remnants of Iota are expected to produce the following additional rainfall accumulations through Thursday: Portions of Honduras, Guatemala, southern Belize: 4 to 8 inches (100 to 200 mm), with isolated maximum totals of 12 inches (300 mm). Portions of Nicaragua and El Salvador: 2 to 4 inches (50 to 100 mm), with isolated maximum totals of 6 inches (150 mm). This rainfall will lead to significant, life-threatening flash flooding and river flooding, along with mudslides in areas of higher terrain. 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 ------------- This is the last public advisory issued by the National Hurricane Center on this system. For additional information on the remnants, please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php $$ Forecaster Pasch

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Tropical Storm Polo Public Advisory Number 4

2020-11-18 15:38:16| National Hurricane Center (East Pacific)

Issued at 700 AM PST Wed Nov 18 2020 000 WTPZ31 KNHC 181438 TCPEP1 BULLETIN Tropical Storm Polo Advisory Number 4 NWS National Hurricane Center Miami FL EP212020 700 AM PST Wed Nov 18 2020 ...TROPICAL STORM POLO FORMS WELL SOUTHWEST OF MEXICO... SUMMARY OF 700 AM PST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...16.3N 116.0W ABOUT 605 MI...970 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 700 AM PST (1500 UTC), the center of Tropical Storm Polo was located near latitude 16.3 North, longitude 116.0 West. Polo is moving toward the west-northwest near 12 mph (19 km/h), and this general motion is expected to continue today, followed by a turn toward the west by Thursday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Little change in strength is expected today, with gradual weakening anticipated to begin on Thursday. Polo should degenerate into a remnant low pressure area on Friday. Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 100 PM PST. $$ Forecaster Blake

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Tropical Depression Iota Public Advisory Number 20

2020-11-18 11:16:16| National Hurricane Center (Atlantic)

Issued at 300 AM CST Wed Nov 18 2020 000 WTNT31 KNHC 181015 CCA TCPAT1 BULLETIN Tropical Depression Iota Advisory Number 20...Corrected NWS National Hurricane Center Miami FL AL312020 300 AM CST Wed Nov 18 2020 Corrected Next Advisory section ...IOTA WEAKENS TO A TROPICAL DEPRESSION OVER EL SALVADOR... ...THREAT OF CATASTROPHIC FLASH FLOODING AND MUDSLIDES WILL CONTINUE ACROSS PORTIONS OF CENTRAL AMERICA... SUMMARY OF 300 AM CST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...13.7N 88.3W ABOUT 20 MI...35 KM NW OF EL PAPALON EL SALVADOR ABOUT 55 MI...90 KM E OF SAN SALVADOR EL SALVADOR MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WSW OR 255 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning for the northern coast of Honduras has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 300 AM CST (0900 UTC), the center of Tropical Depression Iota was located near latitude 13.7 North, longitude 88.3 West. Iota is moving toward the west-southwest near 13 mph (20 km/h), and this general motion is expected to continue through today. On the forecast track, the center of Iota will move across El Salvador before the system dissipates later today. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is forecast, and Iota is expected to degenerate into a post-tropical remnant low pressure system later today. The estimated minimum central pressure based on nearby surface observations is 1007 mb (29.74 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. RAINFALL: Iota is expected to produce the following additional rainfall accumulations through Thursday: Portions of Honduras, Guatemala, southern Belize: 4 to 8 inches (100 to 200 mm), with isolated maximum totals of 12 inches (300 mm). Portions of Nicaragua and El Salvador: 2 to 4 inches (50 to 100 mm), with isolated maximum totals of 6 inches (150 mm). This rainfall will lead to significant, life-threatening flash flooding and river flooding, along with mudslides in areas of higher terrain. 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 complete advisory at 900 AM CST. $$ Forecaster Stewart

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Tropical Depression Iota Public Advisory Number 20

2020-11-18 09:38:10| National Hurricane Center (Atlantic)

Issued at 300 AM CST Wed Nov 18 2020 000 WTNT31 KNHC 180838 TCPAT1 BULLETIN Tropical Depression Iota Advisory Number 20 NWS National Hurricane Center Miami FL AL312020 300 AM CST Wed Nov 18 2020 ...IOTA WEAKENS TO A TROPICAL DEPRESSION OVER EL SALVADOR... ...THREAT OF CATASTROPHIC FLASH FLOODING AND MUDSLIDES WILL CONTINUE ACROSS PORTIONS OF CENTRAL AMERICA... SUMMARY OF 300 AM CST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...13.7N 88.3W ABOUT 20 MI...35 KM NW OF EL PAPALON EL SALVADOR ABOUT 55 MI...90 KM E OF SAN SALVADOR EL SALVADOR MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WSW OR 255 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning for the northern coast of Honduras has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 300 AM CST (0900 UTC), the center of Tropical Depression Iota was located near latitude 13.7 North, longitude 88.3 West. Iota is moving toward the west-southwest near 13 mph (20 km/h), and this general motion is expected to continue through today. On the forecast track, the center of Iota will move across El Salvador before the system dissipates later today. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is forecast, and Iota is expected to degenerate into a post-tropical remnant low pressure system later today. The estimated minimum central pressure based on nearby surface observations is 1007 mb (29.74 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. RAINFALL: Iota is expected to produce the following additional rainfall accumulations through Thursday: Portions of Honduras, Guatemala, southern Belize: 4 to 8 inches (100 to 200 mm), with isolated maximum totals of 12 inches (300 mm). Portions of Nicaragua and El Salvador: 2 to 4 inches (50 to 100 mm), with isolated maximum totals of 6 inches (150 mm). This rainfall will lead to significant, life-threatening flash flooding and river flooding, along with mudslides in areas of higher terrain. 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 AM CST. Next complete advisory at 900 AM CST. $$ Forecaster Stewart

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Tropical Depression Twenty-one-E Public Advisory Number 3

2020-11-18 09:35:40| National Hurricane Center (East Pacific)

Issued at 100 AM PST Wed Nov 18 2020 000 WTPZ31 KNHC 180835 TCPEP1 BULLETIN Tropical Depression Twenty-One-E Advisory Number 3 NWS National Hurricane Center Miami FL EP212020 100 AM PST Wed Nov 18 2020 ...DEPRESSION COULD BRIEFLY BECOME A TROPICAL STORM LATER TODAY BEFORE WEAKENING ON THURSDAY... SUMMARY OF 100 AM PST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...15.7N 115.2W ABOUT 605 MI...975 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 100 AM PST (0900 UTC), the center of Tropical Depression Twenty-One-E was located near latitude 15.7 North, longitude 115.2 West. The depression is moving toward the west-northwest near 12 mph (19 km/h), and this general motion is expected to continue today, followed by a turn toward the west by Thursday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Some slight strengthening is possible, and the depression could become a tropical storm later today or tonight. Weakening is expected to begin by Thursday, and the system is forecast to become a remnant low in a couple of days. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 700 AM PST. $$ Forecaster Latto

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