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| #1051184 (Received by flhurricane at: 8:33 AM 02.Jul.2021) TCDAT5 Hurricane Elsa Special Discussion Number 8 NWS National Hurricane Center Miami FL AL052021 830 AM AST Fri Jul 02 2021 Surface observations from Barbados indicate that Elsa has become a hurricane, and this special advisory is being issued to update the first 36 h of the intensity and wind radii forecasts. More revisions of the intensity forecast are likely on the next regular advisory. An Air Force Reserve Hurricane Hunter aircraft is currently entering the hurricane, and a NOAA aircraft is scheduled to investigate the system this afternoon. There are no changes to the forecast track at this time. It should be noted that the average NHC track errors are 175 miles and 200 miles at days 4 and 5, respectively. Given the larger-than-normal uncertainty and because hazards will extend well away from the center of the storm, users are urged to not focus on the exact forecast points. Key Messages: 1. Hurricane conditions are occurring on Barbados and are expected elsewhere in the Hurricane Warning area in the next few hours. Tropical storm conditions are expected to begin later this morning in other portions of the Windward and Leeward Islands. Tropical storm conditions are expected and hurricane conditions are possible over southern portions of Hispaniola on Saturday. Tropical storm conditions are possible over Jamaica beginning Saturday night. 2. Heavy rainfall from Elsa will move quickly across the Windward and southern Leeward Islands today, including Barbados. Outer rain bands will impact Puerto Rico late today into Saturday, and southern Hispaniola and Jamaica Saturday into Sunday. Flooding and mudslides are possible. 3. There is a risk of wind and rainfall impacts in portions of Cuba, the Turks and Caicos, and the Bahamas through early next week. Interests in these areas should monitor Elsa`s progress and updates to the forecast. 4. There is a risk of storm surge, wind, and rainfall impacts in the Florida Keys and portions of the Florida Peninsula early next week. However, the forecast uncertainty remains larger than usual due to Elsa`s potential interaction with the Greater Antilles this weekend. Interests in Florida should monitor Elsa`s progress and updates to the forecast. FORECAST POSITIONS AND MAX WINDS INIT 02/1230Z 13.1N 60.1W 65 KT 75 MPH 12H 02/1800Z 13.8N 62.4W 65 KT 75 MPH 24H 03/0600Z 15.4N 67.4W 65 KT 75 MPH 36H 03/1800Z 17.1N 71.7W 65 KT 75 MPH 48H 04/0600Z 18.7N 75.2W 60 KT 70 MPH 60H 04/1800Z 20.2N 77.8W 55 KT 65 MPH 72H 05/0600Z 21.7N 79.7W 55 KT 65 MPH 96H 06/0600Z 25.2N 82.2W 55 KT 65 MPH 120H 07/0600Z 29.2N 82.6W 55 KT 65 MPH $$ Forecaster Beven |
