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Tropical Storm Dalila Forecast Discussion Number 8
2025-06-14 16:34:56| National Hurricane Center (East Pacific)
Issued at 900 AM CST Sat Jun 14 2025 251 WTPZ44 KNHC 141434 TCDEP4 Tropical Storm Dalila Discussion Number 8 NWS National Hurricane Center Miami FL EP042025 900 AM CST Sat Jun 14 2025 Dalila continues to show signs of strengthening, with deep convection bursting over the low-level center, and curved banding features near the coast of southwestern Mexico. There is a fairly large range of satellite intensity estimates this morning from 45 to 65 kt. Given the improving satellite presentation, the initial intensity is raised to 50 kt for this advisory. A scatterometer pass is scheduled over the system around 16Z, which may give a better estimate of surface winds. The storm is currently moving northwestward at an estimated 305/10 kt. A mid-level ridge is building westward over northern Mexico, which should cause Dalila to gradually turn west-northwestward later today. As the system begins to weaken into a shallower vortex on Sunday, Dalila will turn more westward within the low-level wind flow. The latest NHC forecast is near the previous one, and lies near the latest simple and corrected consensus aids. Dalila may be nearing peak intensity, with only about 6 to 12 h left within a favorable environment. Thus, the NHC forecast shows slight strengthening today, with a peak intensity of 55 kt. Along the forecast track, Dalila will move over much cooler SSTs tonight and begin to enter a drier, more stable airmass. This will lead to steady weakening, and eventually the system will struggle to produce convection. The NHC intensity forecast is near the previous one, however now shows the system becoming a remnant low in 48 h, although this could occur sooner. By day 4, models depict the remnant low dissipating into an open trough. KEY MESSAGES: 1. The outer bands of Tropical Storm Dalila will bring locally heavy rainfall to the Mexican states of Michoac�n and Guerrero through Sunday morning. Scattered areas of flooding and mudslides are expected, especially in areas of steep terrain near the coast. 2. Dalila is expected to produce tropical-storm-force winds across portions of the warning area today. FORECAST POSITIONS AND MAX WINDS INIT 14/1500Z 16.5N 104.8W 50 KT 60 MPH 12H 15/0000Z 17.3N 106.2W 55 KT 65 MPH 24H 15/1200Z 17.9N 108.2W 45 KT 50 MPH 36H 16/0000Z 18.1N 110.2W 35 KT 40 MPH 48H 16/1200Z 18.1N 112.0W 30 KT 35 MPH...POST-TROP/REMNT LOW 60H 17/0000Z 18.2N 113.9W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 17/1200Z 18.2N 115.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 96H 18/1200Z...DISSIPATED $$ Forecaster Kelly [ more ]
Category:Transportation and Logistics
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Summary for Tropical Storm Dalila (EP4/EP042025)
2025-06-14 16:34:55| National Hurricane Center (East Pacific)
...DALILA'S OUTER RAINBANDS AFFECTING SOUTHWESTERN MEXICO... As of 15:00 UTC SAT JUN 14 2025 the center of Dalila was located near 16.5, -104.8 with movement NW at 12 mph. The minimum central pressure was 996 mb with maximum sustained winds of about 60 mph. [ more ]
Category: Transportation and Logistics
Tropical Storm Dalila Public Advisory Number 8
2025-06-14 16:34:55| National Hurricane Center (East Pacific)
Issued at 900 AM CST Sat Jun 14 2025 127 WTPZ34 KNHC 141434 TCPEP4 BULLETIN Tropical Storm Dalila Advisory Number 8 NWS National Hurricane Center Miami FL EP042025 900 AM CST Sat Jun 14 2025 ...DALILA'S OUTER RAINBANDS AFFECTING SOUTHWESTERN MEXICO... SUMMARY OF 900 AM CST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...16.5N 104.8W ABOUT 175 MI...285 KM S OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.42 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Tecpan De Galeana to Cabo Corrientes A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 900 AM CST (1500 UTC), the center of Tropical Storm Dalila was located near latitude 16.5 North, longitude 104.8 West. Dalila is moving toward the northwest near 12 mph (19 km/h). A gradual west-northwest to westward turn is expected later today into Sunday. On the forecast track, the center of Dalila is forecast to remain offshore the southwestern coast of Mexico. Maximum sustained winds have increased to near 60 mph (95 km/h) with higher gusts. Some additional strengthening is possible today, with a weakening trend beginning on Sunday. Tropical-storm-force winds extend outward up to 230 miles (370 km) from the center. The estimated minimum central pressure is 996 mb (29.42 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Dalila can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP4 and WMO header WTPZ44 KNHC. RAINFALL: Additional rainfall amounts of 3 to 6 inches are expected across portions of the Mexican states of Michoac�n and Guerrero through Sunday morning, with localized storm totals up to 9 inches near the coast. This rainfall will lead to areas of flooding and mudslides, especially in areas of steep terrain near the coast. For a complete depiction of forecast rainfall associated with Tropical Storm Dalila, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_ep4.shtml?rainqpf WIND: Tropical storm conditions are expected within the warning area today. SURF: Swells generated by Tropical Storm Dalila will affect portions of the coast of southwestern Mexico 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 1200 PM CST. Next complete advisory at 300 PM CST. $$ Forecaster Kelly [ more ]
Category: Transportation and Logistics