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Tropical Storm Isaac Public Advisory Number 18
2024-09-30 10:35:20| National Hurricane Center (Atlantic)
Issued at 900 AM GMT Mon Sep 30 2024 000 WTNT35 KNHC 300835 TCPAT5 BULLETIN Tropical Storm Isaac Advisory Number 18 NWS National Hurricane Center Miami FL AL102024 900 AM GMT Mon Sep 30 2024 ...ISAAC EXPECTED TO BECOME POST-TROPICAL LATER TODAY... SUMMARY OF 900 AM GMT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...44.7N 31.3W ABOUT 515 MI...825 KM NNW OF THE AZORES MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...975 MB...28.80 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 900 AM GMT (0900 UTC), the center of Tropical Storm Isaac was located near latitude 44.7 North, longitude 31.3 West. Isaac is moving toward the east-northeast near 15 mph (24 km/h). A turn toward the northeast at a similar forward speed is expected on Tuesday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Slow weakening is expected during the next several days. Isaac is forecast to become a post-tropical cyclone later today. Tropical-storm-force winds extend outward up to 230 miles (370 km) from the center. The estimated minimum central pressure is 975 mb (28.80 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Isaac will affect the Azores over the next few 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 300 PM GMT. $$ Forecaster Pasch
Category:Transportation and Logistics
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Eastern North Pacific Tropical Weather Outlook
2024-09-30 07:18:20| National Hurricane Center (East Pacific)
574 ABPZ20 KNHC 300505 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Sun Sep 29 2024 For the eastern North Pacific...east of 140 degrees west longitude: Offshore of Southwestern Mexico: An area of low pressure is expected to gradually develop off the coast of southwestern Mexico during the next day or so. Environmental conditions are expected to be generally conducive for additional development after that, and a tropical depression could form by the middle or late portions of this week. The disturbance is forecast to meander near or just offshore the coast for most of the week, and then begin moving slowly west-northwestward, parallel to the coast of Mexico by next weekend. Regardless of development, this system is expected to contribute to additional heavy rainfall across portions of the southwestern coast of Mexico, and interests there should monitor the progress of this disturbance. * Formation chance through 48 hours...low...20 percent. * Formation chance through 7 days...medium...60 percent. South of the Gulf of Tehuantepec: Another area of low pressure is forecast to form south of the Gulf of Tehuantepec during the next day or two. Gradual development of the disturbance is possible after that, if the system remains offshore the coast of southern Mexico. The disturbance is forecast to move erratically through mid-week, and then potentially move northward toward the coast later this week. Regardless of formation, heavy rain is possible along most of the coast of southern Mexico throughout this week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 7 days...low...20 percent. $$ Forecaster Hagen
Category: Transportation and Logistics
Atlantic Tropical Weather Outlook
2024-09-30 07:17:22| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 300517 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Mon Sep 30 2024 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Active Systems: The National Hurricane Center is issuing advisories on Tropical Storm Isaac, located several hundred miles northwest of the Azores, on Tropical Depression Joyce, located over the central Atlantic Ocean, and on Tropical Depression Twelve, located over the eastern tropical Atlantic Ocean. Western Caribbean Sea and Gulf of Mexico: A broad area of low pressure located over the western Caribbean Sea is producing disorganized showers and thunderstorms. Environmental conditions appear to be conducive for gradual development, and a tropical depression could form around the middle part of this week while the disturbance moves slowly west-northwestward. This system is then expected to move northwestward into the Gulf of Mexico during the latter portion of this week. Interests in the northwestern Caribbean Sea and along the U.S. Gulf Coast should monitor the progress of this system. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...medium...50 percent. Eastern Tropical Atlantic: A tropical wave located a few hundred miles south-southeast of the Cabo Verde Islands is producing limited shower and thunderstorm activity. Upper-level winds are forecast to become more conducive for gradual development of this system during the next few days, and a tropical depression could form during the middle or latter part of this week while it moves slowly westward or west-northwestward over the eastern tropical Atlantic. * Formation chance through 48 hours...low...20 percent. * Formation chance through 7 days...medium...60 percent. && Public Advisories on Tropical Depression Twelve are issued under WMO header WTNT32 KNHC and under AWIPS header MIATCPAT2. Forecast/Advisories on Tropical Depression Twelve are issued under WMO header WTNT22 KNHC and under AWIPS header MIATCMAT2. $$ Forecaster Pasch
Category: Transportation and Logistics