ZCZC MIATCDEP4 ALL TTAA00 KNHC DDHHMM Hurricane Bonnie Discussion Number 26 NWS National Hurricane Center Miami FL EP042022 1000 PM CDT Sun Jul 03 2022 Bonnie's cloud pattern continues to become better organized on both geostationary and microwave imagery. Cold cloud tops are beginning to surround a ragged eye on infrared images and there is nearly a closed ring evident from passive microwave data, indicating that the inner core continues to become more defined. Using a blend of Dvorak estimates from TAFB and SAB, the current intensity is increased to 70 kt for this advisory. The hurricane has strong upper-level outflow over its western semicircle and limited outflow to the east, due to moderate easterly shear. However, this shear is not likely to offset the otherwise conducive environmental factors of warm ocean waters and a moist atmosphere for the next couple of days. The SHIPS Rapid Intensification, RI, Index shows a little more than a 30 percent chance of RI during the next day or so. The official intensity forecast shows more strengthening than in the previous advisories and is a blend of the LGEM and HWRF guidance through 48 hours, and is close to the Decay-SHIPS model after that time interval. Gradual weakening is likely in 3-5 days due to cooler SSTs and lower humidities. Bonnie moved just a bit north of the previous track, but appears to still be on a west-northwestward heading or about 290/15 kt. A mid-level ridge to the north of the cyclone is forecast to be mostly maintained over the next several days. This should result in a continued west-northwestward or westward motion through the forecast period. The official track forecast follows the multi-model consensus and keeps the hurricane moving parallel to and offshore of the coast of southern and southwestern Mexico. The main impact from Bonnie is expected to be rough surf and the potential for rip currents along the coast of Guatemala through tonight and southern/southwestern Mexico Monday and Tuesday. FORECAST POSITIONS AND MAX WINDS INIT 04/0300Z 13.2N 95.5W 70 KT 80 MPH 12H 04/1200Z 13.7N 97.7W 80 KT 90 MPH 24H 05/0000Z 14.6N 100.7W 90 KT 105 MPH 36H 05/1200Z 15.4N 103.5W 95 KT 110 MPH 48H 06/0000Z 15.9N 106.0W 95 KT 110 MPH 60H 06/1200Z 16.3N 108.2W 85 KT 100 MPH 72H 07/0000Z 16.4N 110.2W 85 KT 100 MPH 96H 08/0000Z 17.1N 114.8W 80 KT 90 MPH 120H 09/0000Z 18.5N 120.5W 75 KT 85 MPH $$ Forecaster Pasch NNNN
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