ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM BULLETIN Tropical Storm Pilar Advisory Number 8 NWS National Hurricane Center Miami FL EP192023 1000 AM CDT Mon Oct 30 2023 ...HEAVY RAINFALL AND FLASH FLOODING EXPECTED WITH PILAR ACROSS PORTIONS OF CENTRAL AMERICA DURING THE NEXT FEW DAYS... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...11.1N 91.2W ABOUT 225 MI...360 KM SW OF SAN SALVADOR EL SALVADOR ABOUT 340 MI...545 KM W OF MANAGUA NICARAGUA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...ENE OR 75 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Entire coast of El Salvador * Pacific coast of Honduras including the Gulf of Fonseca * Honduras/Nicaragua border southward to Puerto Sandino. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within 36 hours. Interests elsewhere along the Pacific coast of Nicaragua and in southern Guatemala should monitor the progress of this system. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CDT (1500 UTC), the center of Tropical Storm Pilar was located near latitude 11.1 North, longitude 91.2 West. Pilar is moving toward the east-northeast near 6 mph (9 km/h), and a continued east-northeastward motion is expected during the next day or two. On the forecast track, Pilar could be near the coast of El Salvador or Nicaragua Tuesday through early Wednesday, though the core of the system is expected to remain offshore. The storm is forecast to move west-southwestward away from land on Thursday. Satellite estimates indicate that maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Further strengthening is expected during the next day or so, and Pilar could be near hurricane strength on Tuesday. Weakening is expected to begin on Wednesday and continue through Thursday. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Pilar can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP4 and WMO header WTPZ44 KNHC and on the web at hurricanes.gov/text/MIATCDEP4.shtml RAINFALL: Pilar is expected to produce storm total rainfall of 5 to 10 inches, with local amounts to 15 inches, for portions of Central America from El Salvador southward to Costa Rica through Wednesday. This rainfall will produce flash and urban flooding, along with mudslides in areas of higher terrain. SURF: Swells generated by Pilar are expected to continue affecting the Pacific coast of Central America during 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. WIND: Tropical storm conditions could begin in the Tropical Storm Watch area early Tuesday. NEXT ADVISORY ------------- Next intermediate advisory at 100 PM CDT. Next complete advisory at 400 PM CDT. $$ Forecaster Blake NNNN
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Page last modified: Monday, 18-Dec-2023 12:10:29 UTC