000
WTNT35 KNHC 141454
TCPAT5
BULLETIN
Hurricane Ernesto Advisory Number 12
NATIONAL WEATHER SERVICE, National Hurricane Center Miami FLORIDA AL052024
11:00 A.M. ATLANTIC STANDARD TIME Wed Aug 14 2024
- ERNESTO BECOMES A HURRICANE NORTH OF PUERTO RICO
- SIGNIFICANT FLOODING LIKELY ACROSS PUERTO RICO AND THE VIRGIN ISLANDS AS HEAVY RAINS PERSIST
SUMMARY OF 11:00 A.M. ATLANTIC STANDARD TIME 15:00 COORDINATED UNIVERSAL TIME INFORMATION
LOCATION 20.5 NORTH 67.6 WEST
ABOUT 175 MILES, 280 KILOMETERS NORTHWEST, OF SAN JUAN PUERTO RICO
ABOUT 835 MILES, 1340 KILOMETERS SOUTH SOUTHWEST, OF BERMUDA
MAXIMUM SUSTAINED WINDS 75 MILES PER HOUR, 120 KILOMETERS PER HOUR
PRESENT MOVEMENT NORTHWEST, OR 310 DEGREES AT 16 MILES PER HOUR, 26 KILOMETERS PER HOUR
MINIMUM CENTRAL PRESSURE 991 MILLIBAR, 29.27 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY: None.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for
- British Virgin Islands
- U.S. Virgin Islands
- Puerto Rico
- Vieques and Culebra
- A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area.
- Interests in Bermuda should monitor the progress of Ernesto.
- A hurricane watch may be required for the island later today.
- For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office.
- For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service.
DISCUSSION AND OUTLOOK
- At 11:00 A.M. ATLANTIC STANDARD TIME (15:00 COORDINATED UNIVERSAL TIME), the center of Hurricane Ernesto was located near latitude 20.5 North, longitude 67.6 West.
- Ernesto is moving toward the northwest near 16 Miles Per Hour, (26 Kilometers Per Hour).
- A turn toward the north northwest and north is expected later today and tonight, with a generally northward motion at a slower forward speed continuing through Saturday.
- On the forecast track, the center of Ernesto will continue to move away from Puerto Rico today, move across the western Atlantic during the next few days, and approach Bermuda Friday and Saturday.
- Data from Air Force Reserve and NOAA Hurricane Hunter aircraft indicate that maximum sustained winds have increased to near 75 Miles Per Hour, (120 Kilometers Per Hour) with higher gusts.
- Additional strengthening is forecast during the next couple of days.
- Hurricane force winds extend outward up to 35 miles (55 Kilometers) from the center and tropical storm force winds extend outward up to 230 miles (370 Kilometers).
- The estimated minimum central pressure is 991 mb (29.27 inches).
HAZARDS AFFECTING LAND
Key messages for Ernesto can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT5 and WMO header WTNT45 KNHC and on the web at
hurricanes.gov/text/MIATCDAT5.shtml
RAINFALL:
- Tropical Storm Ernesto is expected to produce total rain accumulations of 4 to 6 inches over the U.S. and British Virgin Islands.
- Rainfall totals of 6 to 8 inches, with maximum amounts of 10 inches, are expected across southeastern Puerto Rico, with totals of 2 to 4 inches across northwestern Puerto Rico.
- Rainfall associated with Ernesto may begin to affect Bermuda on Thursday.
- For a complete depiction of forecast rainfall associated with Tropical Storm Ernesto, please see the National Weather Service Storm Total Rainfall Graphic, available at
hurricanes.gov/graphics_at5.shtml?rainqpf
WIND:
- Tropical storm conditions, especially in gusts, will continue across the Virgin Islands, Puerto Rico, Vieques, and Culebra through the day.
SURF:
- Swells generated by Ernesto are affecting portions of the Leeward Islands, the Virgin Islands, Puerto Rico, the Dominican Republic, and the Turks and Caicos Islands.
- These swells will reach the southeastern Bahamas today, and Bermuda and the rest of the Bahamas on Thursday.
- Swells are expected to reach the east coast of the United States Thursday night and continue into the weekend.
- 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 2:00 P.M. ATLANTIC SSTANDARD TIME.
- Next complete advisory at 5:00 P.M. ATLANTIC SSTANDARD TIME.
$$
Forecaster Berg
Originally Posted at:
NATIONAL HURRICANE CENTER and CENTRAL PACIFIC HURRICANE CENTER
At The NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION
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