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Hurricane Elsa Graphics

2021-07-03 01:57:55| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Fri, 02 Jul 2021 23:57:55 GMT Wind Speed Probabilities last updated Fri, 02 Jul 2021 21:22:46 GMT

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Summary for Hurricane Elsa (AT5/AL052021)

2021-07-03 00:00:36| National Hurricane Center (Atlantic)

...ELSA MOVING THROUGH THE EASTERN CARIBBEAN SEA... ...HURRICANE WATCH ISSUED FOR EASTERN CUBA... As of 5:00 PM AST Fri Jul 2 the center of Elsa was located near 14.2, -63.7 with movement W at 30 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 85 mph.

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Hurricane Elsa Update Statement

2021-07-03 00:00:36| National Hurricane Center (Atlantic)

Issued at 600 PM AST Fri Jul 02 2021 000 WTNT65 KNHC 022200 TCUAT5 Hurricane Elsa Tropical Cyclone Update NWS National Hurricane Center Miami FL AL052021 600 PM AST Fri Jul 02 2021 The Meteorological Service of Barbados has discontinued the Tropical Storm Warning for the islands of St. Vincent and the Grenadines as of 600 PM AST...2200 UTC. $$ Forecaster Stewart/Papin

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Hurricane Elsa Forecast Discussion Number 10

2021-07-02 23:47:38| National Hurricane Center (Atlantic)

Issued at 500 PM AST Fri Jul 02 2021 000 WTNT45 KNHC 022147 CCA TCDAT5 Hurricane Elsa Discussion Number 10...Corrected NWS National Hurricane Center Miami FL AL052021 500 PM AST Fri Jul 02 2021 Corrected motion heading in second paragraph. Reports from a NOAA Hurricane Hunter aircraft indicate that Elsa has strengthened a little more since the last advisory, with a combination of flight-level winds, SFMR surface wind estimates, and dropsonde data showing that the maximum winds are near 75 kt. The aircraft also reported that the 700-mb circulation remains somewhat disorganized, and that the 700-mb center is not vertically aligned with with the surface center. The former issue is likely due to the rapid motion, and the latter may be due to the effects of westerly shear. The initial motion now is 280/26. There is again little change to the forecast track or the forecast guidance. The guidance is in good agreement on a rapid west-northwestward notion to near the south coast of the Dominican Republic and Haiti by 24-30 h, followed by a continued west-northwestward motion at a slower forward speed through 48 h. After that time, Elsa should gradually turn northwestward and eventually northward as it moves through a weakness in the subtropical ridge created by a mid-latitude trough over the eastern United States. This motion should take the cyclone across Cuba and over the eastern Gulf of Mexico or the nearby Florida Peninsula, eventually moving into the southeastern United States by the end of the period. The track guidance is a little less divergent than earlier, but there is still enough spread in the potential tracks that this part of the forecast remains low confidence. The latest global model runs and the associated intensity guidance are forecasting a less favorable environment for Elsa during the next several days. The SHIPS model now calls for 10-20 kt of northwesterly shear during the next 48 h, and 15-25 kt of shear after 60 h. In addition, the 12Z GFS forecasts a considerably weaker storm than its last several runs. The intensity forecast thus calls for little change in strength during the first 24 h, although it is possible the hurricane could strengthen a little more during that time. After that, land interaction and shear are likely to cause weakening until Elsa emerges into the Gulf of Mexico. However, the HWRF still calls for Elsa to intensify into a Category 3 hurricane, and like the track forecast the intensity forecast remains of low confidence due to the spread in the guidance. 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 and dangerous storm surge are expected within the Hurricane Warning areas in Haiti and the Dominican Republic beginning Saturday and in Jamaica beginning Sunday. 2. Heavy rainfall will gradually subside across the Windward and southern Leeward Islands tonight, including Barbados. Outer rain bands will impact Puerto Rico by late tonight, and affect southern Hispaniola and Jamaica Saturday into Sunday. Isolated to scattered flash flooding and mudslides are possible. By early next week, heavy rain will impact the Cayman Islands and Cuba. Significant flooding and mudslides are possible. 3. Hurricane conditions and dangerous storm surge are possible in portions of eastern Cuba beginning early Sunday where a Hurricane Watch is in effect. There is an increasing risk of wind, storm surge, and rainfall impacts elsewhere in Cuba Sunday and Monday. 4. There is an increasing risk of storm surge, wind, and rainfall impacts beginning Monday in the Florida Keys and spreading northward along the Florida Peninsula through Tuesday. However, the forecast uncertainty remains larger than usual due to Elsa's potential interaction with the islands of Hispaniola and Cuba this weekend. Interests throughout Florida should monitor Elsa's progress and updates to the forecast. FORECAST POSITIONS AND MAX WINDS INIT 02/2100Z 14.2N 63.7W 75 KT 85 MPH 12H 03/0600Z 15.4N 67.5W 75 KT 85 MPH 24H 03/1800Z 17.0N 71.7W 75 KT 85 MPH 36H 04/0600Z 18.3N 74.8W 70 KT 80 MPH 48H 04/1800Z 19.9N 77.3W 70 KT 80 MPH...INLAND 60H 05/0600Z 21.4N 79.4W 65 KT 75 MPH...OVER WATER 72H 05/1800Z 22.9N 81.1W 55 KT 65 MPH...INLAND 96H 06/1800Z 26.5N 83.0W 55 KT 65 MPH...OVER WATER 120H 07/1800Z 31.6N 82.0W 40 KT 45 MPH...INLAND $$ Forecaster Beven

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