241
WTNT35 KNHC 131456
TCPAT5
BULLETIN
Tropical Storm Ernesto Advisory Number 8
NATIONAL WEATHER SERVICE, National Hurricane Center Miami Florida AL052024
11:00 A.M. Atlantic Standard Time Tue Aug 13 2024
- ERNESTO A LITTLE STRONGER AS IT PASSES JUST SOUTH OF Saint KITTS AND NEVIS
- HURRICANE WATCH ISSUED FOR THE VIRGIN ISLANDS, VIEQUES, AND CULEBRA
SUMMARY OF 11:00 A.M. Atlantic Standard Time 15:00 COORDINATED UNIVERSAL TIME INFORMATION
LOCATION 16.9 NORTH 62.6 WEST
ABOUT 155 MILES, 250 KILOMETERS EAST SOUTHEAST OF Saint CROIX
ABOUT 250 MILES, 405 KILOMETERS EAST SOUTHEAST OF SAN JUAN PUERTO RICO
MAXIMUM SUSTAINED WINDS 50 MILES PER HOUR, 85 KILOMETERS PER HOUR
PRESENT MOVEMENT WEST NORTHWEST, OR 290 DEGREES AT 18 MILES PER HOUR, 30 KILOMETERS PER HOUR
MINIMUM CENTRAL PRESSURE 1003 MILLIBAR, 29.62 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
- A Hurricane Watch has been issued for the U.S. Virgin Islands, Culebra, and Vieques.
- The government of Antigua and Barbuda has issued a Hurricane Watch for the British Virgin Islands.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Watch is in effect for
- U.S. Virgin Islands
- British Virgin Islands
- Vieques and Culebra
A Tropical Storm Warning is in effect for
- Saint Kitts, Nevis, Montserrat, Antigua, Barbuda, and Anguilla
- Guadeloupe
- Saint Martin and Saint Barthelemy
- Sint Maarten
- British Virgin Islands
- U.S. Virgin Islands
- Puerto Rico
- Vieques and Culebra
- A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case within the next 12 hours or so.
- A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours.
- Interests elsewhere in the northeastern Caribbean should monitor the progress of Ernesto.
- 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 Tropical Storm Ernesto was located near latitude 16.9 North, longitude 62.6 West.
- Ernesto is moving toward the west northwest near 18 Miles Per Hour, (30 Kilometers Per Hour), and this general motion is expected to continue through tonight.
- A motion toward the northwest and then north at a slower forward speed is expected on Wednesday and Thursday.
- On the forecast track, the center of Ernesto should pass near or over the Virgin Islands this evening, and then pass just to the northeast and north of Puerto Rico tonight and on Wednesday.
- Ernesto should then move over the western Atlantic later in the week.
- Maximum sustained winds have increased to near 50 Miles Per Hour, (85 Kilometers Per Hour) with higher gusts.
- Additional strengthening is forecast, and Ernesto is expected to become a hurricane by early Wednesday.
- Tropical storm force winds extend outward up to 105 miles (165 Kilometers) from the center.
- A wind gust to 65 Miles Per Hour, (105 Kilometers Per Hour) was recently reported on Saint Barthelemy.
- The estimated minimum central pressure is 1003 Millibar, (29.62 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 portions of the Leeward Islands from Guadeloupe to Dominica and across 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.
- 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 are occurring over portions of the warning area in the Leeward Islands.
- Tropical storm conditions are expected to begin spreading over the Virgin Islands and Puerto Rico later today and tonight.
- Hurricane conditions are also possible over the Virgin Islands, Vieques, and Culebra this evening into tonight.
STORM SURGE:
- A storm surge will raise water levels by as much as 1 to 3 feet above ground level for the eastern coast of Puerto Rico from San Juan to Guayama, including the islands of Culebra and Vieques and in the U.S. Virgin Islands, including Saint Thomas, St. John, and Saint Croix.
- A storm surge will raise water levels by as much as 1 to 3 feet above normal tide levels in the British Virgin Islands.
- Near the coast, the surge will be accompanied by large and destructive waves.
SURF:
- Swells generated by Ernesto are affecting portions of the Leeward Islands and Virgin Islands and will spread westward to Puerto Rico later today.
- These swells will then reach the Dominican Republic tonight, the Turks and Caicos Islands and southeastern Bahamas on Wednesday, and Bermuda on Thursday.
NEXT ADVISORY
Next intermediate advisory at 2:00 P.M. Atlantic Standard Time.
Next complete advisory at 5:00 P.M. Atlantic Standard 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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