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Hurricane Delta Public Advisory Number 5A
2020-10-06 01:42:38| National Hurricane Center (Atlantic)
Issued at 800 PM EDT Mon Oct 05 2020 000 WTNT31 KNHC 052342 TCPAT1 BULLETIN Hurricane Delta Intermediate Advisory Number 5A NWS National Hurricane Center Miami FL AL262020 800 PM EDT Mon Oct 05 2020 ...DATA FROM A NOAA HURRICANE HUNTER AIRCRAFT INDICATE THAT DELTA HAS BECOME A HURRICANE... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...16.5N 79.6W ABOUT 150 MI...245 KM SSW OF NEGRIL JAMAICA ABOUT 220 MI...355 KM SSE OF GRAND CAYMAN MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...980 MB...28.94 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Cuba province of Pinar del Rio * Tulum to Rio Lagartos Mexico * Cozumel A Hurricane Watch is in effect for... * Cuban province of Artemisa * Isle of Youth A Tropical Storm Warning is in effect for... * Cayman Islands including Little Cayman and Cayman Brac * Isle of Youth A Tropical Storm Watch is in effect for... * Cuba province of La Habana A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. A Hurricane Watch means that hurricane conditions are possible within the watch area, generally within 48 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 PM EDT (0000 UTC), the center of Hurricane Delta was located near latitude 16.5 North, longitude 79.6 West. Delta is moving toward the west-northwest near 8 mph (13 km/h). A faster northwestward motion is expected Tuesday through Wednesday night. On the forecast track, the center of Delta is expected to pass southwest of the Cayman Islands early Tuesday, and approach the northeastern portion of the Yucatan peninsula and the Yucatan Channel Tuesday afternoon or evening. Delta is forecast to move over the southern Gulf of Mexico Tuesday night or early Wednesday, and be over the south-central Gulf of Mexico on Wednesday and Wednesday night. Data from a NOAA Hurricane Hunter aircraft indicate that the maximum sustained winds have increased to near 75 mph (120 km/h) with higher gusts. Additional rapid strengthening is expected during the next day or so, and Delta is expected to be a major hurricane when it nears the Yucatan Peninsula. Hurricane-force winds extend outward up to 15 miles (25 km) from the center and tropical-storm-force winds extend up to 70 miles (110 km) from the center. The minimum central pressure estimated from data provided by the NOAA reconnaissance aircraft is 980 mb (28.94 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta 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. STORM SURGE: A dangerous storm surge will raise water levels by as much as 4 to 7 feet above normal tide levels along coast of the Yucatan peninsula within the hurricane warning area, near and to right of where the center makes landfall. Near the coast, the surge will be accompanied by large and dangerous waves. WIND: Tropical storm conditions are expected in the Cayman Islands later tonight. Hurricane conditions are expected within the hurricane warning area in the Yucatan Peninsula Tuesday night, with tropical storm conditions beginning late Tuesday. Hurricane conditions are expected within a portion of the the Hurricane Warning area in western Cuba by late Tuesday night, with tropical storm conditions expected beginning late Tuesday. Hurricane conditions are possible on the Isle of Youth beginning Tuesday afternoon with tropical storm conditions expected by early Tuesday. Tropical storm conditions are possible in the Tropical Storm Watch area in Cuba on Tuesday. RAINFALL: Through midweek, Delta is expected to produce 3 to 6 inches of rain with isolated maximum totals of 8 inches across Jamaica, the Cayman Islands, western Cuba and the northern Yucatan Peninsula. This rainfall could lead to significant flash floods and mudslides. Later this week into the weekend, Delta is expected to bring heavy rainfall across portions of the central Gulf Coast into the southeastern United States. NEXT ADVISORY ------------- Next complete advisory at 1100 PM EDT. $$ Forecaster Cangialosi
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