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Tropical Storm John Public Advisory Number 12A
2024-09-26 01:36:33| National Hurricane Center (East Pacific)
Issued at 600 PM CST Wed Sep 25 2024 408 WTPZ35 KNHC 252336 TCPEP5 BULLETIN Tropical Storm John Intermediate Advisory Number 12A NWS National Hurricane Center Miami FL EP102024 600 PM CST Wed Sep 25 2024 ...JOHN CONTINUES TO STRENGTHEN... ...THREAT OF CATASTROPHIC LIFE-THREATENING FLASH FLOODING AND MUDSLIDES CONTINUES OVER PORTIONS OF SOUTHERN MEXICO... SUMMARY OF 600 PM CST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...16.9N 101.8W ABOUT 125 MI...200 KM W OF ACAPULCO MEXICO ABOUT 55 MI...90 KM SSW OF ZIHUATANEJO MEXICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...984 MB...29.06 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Tecpan de Galeana to Lazaro Cardenas A Hurricane Watch is in effect for... * Acapulco to Tecpan de Galeana * Lazaro Cardenas to Punta San Telmo A Tropical Storm Warning is in effect for... * Punta Maldonado to Acapulco * Lazaro Cardenas to Punta San Telmo A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, this is case within 12 to 24 hours. Preparations to protect life and property should be rushed to completion. A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case within 12 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 12 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 600 PM CST (0000 UTC), the center of Tropical Storm John was located near latitude 16.9 North, longitude 101.8 West. John is moving toward the north-northwest near 5 mph (7 km/h). This motion should continue for the next day or so, followed by a gradual turn to the west-northwest on Friday. On the forecast track, the center of John is forecast to approach the southwestern coast of Mexico early on Thursday and be inland on Friday. Recent data from aircraft reconnaissance indicate that the maximum sustained winds have increased to near 60 mph (95 km/h) with higher gusts. John is forecast to strengthen into a hurricane as it approaches the coast of southern Mexico on Thursday. Tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The estimated minimum central pressure based on recent dropsonde data is 984 mb (29.06 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Through Friday, Tropical Storm John is expected to produce additional rainfall amounts of 10 to 20 inches with isolated totals around 30 inches across portions of the Mexican States of Guerrero, Oaxaca and Michoacan. For a complete depiction of forecast rainfall associated with John, please see the National Weather Service Storm Total Rainfall Graphic, available at hurricanes.gov/graphics_ep5.shtml?rainqpf STORM SURGE: A dangerous storm surge is expected to produce coastal flooding near and to the east of where the center makes landfall. Near the coast, the surge will be accompanied by large and destructive waves. WIND: Hurricane conditions are expected along the coast within the hurricane warning area Thursday. Winds are expected to first reach tropical storm strength as early as tonight, making outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. Tropical storm conditions are expected to first reach the coast within the tropical storm warning area as early as tonight. SURF: Swells associated with John are forecast to continue to affect the coast of southern Mexico through the week, with the potential for dangerous surf and rip currents. Please see local statements for more information. NEXT ADVISORY ------------- Next complete advisory at 900 PM CST. $$ Forecaster Hagen
Category:Transportation and Logistics
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Eastern North Pacific Tropical Weather Outlook
2024-09-26 01:32:36| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 252332 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Wed Sep 25 2024 For the eastern North Pacific...east of 140 degrees west longitude: Active Systems: The National Hurricane Center is issuing advisories on Tropical Storm John, located just south of southwestern Mexico. Tropical cyclone formation is not expected during the next 7 days. && Public Advisories on Tropical Storm John are issued under WMO header WTPZ35 KNHC and under AWIPS header MIATCPEP5. Forecast/Advisories on Tropical Storm John are issued under WMO header WTPZ25 KNHC and under AWIPS header MIATCMEP5. $$ Forecaster Hagen
Category: Transportation and Logistics
Atlantic Tropical Weather Outlook
2024-09-26 01:29:35| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 252329 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Wed Sep 25 2024 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Helene, located over the southeastern Gulf of Mexico. Eastern and Central Tropical Atlantic (AL98): Showers and thunderstorms have become slightly better organized over the past 24 hours in association with a broad low pressure system along a tropical wave located several hundred miles west of the Cabo Verde Islands. Environmental conditions appear favorable for gradual development of this system, and a tropical depression is likely to form during the next couple of days while it moves westward to west-northwestward across the eastern and central tropical Atlantic. * Formation chance through 48 hours...high...70 percent. * Formation chance through 7 days...high...80 percent. Central Subtropical Atlantic (AL99): Showers and thunderstorms have recently increased near the center of a gale-force non-tropical area of low pressure located several hundred miles to the east-northeast of Bermuda. Environmental conditions could support the low developing some subtropical or tropical characteristics over the next few days, and a tropical or subtropical depression or storm could form late this week or this weekend as the system moves generally east-northeastward, remaining over the central subtropical Atlantic. Additional information on this system, including gale warnings, can be found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 7 days...medium...40 percent. && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php $$ Forecaster Hagen
Category: Transportation and Logistics