000 AXPZ20 KNHC 290921 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Fri Jul 29 2022 Tropical Weather Discussion for the eastern Pacific Ocean from 03.4S to 30N, east of 120W including the Gulf of California, and from the Equator to 30N, between 120W and 140W. The following information is based on satellite imagery, weather observations, radar, and meteorological analysis. Based on 0600 UTC surface analysis and satellite imagery through 0900 UTC. ...SPECIAL FEATURES... Tropical Storm Frank is centered near 13.6N 112.2W at 29/0900 UTC moving WNW at 10 kt. Estimated minimum central pressure is 993 mb. Maximum sustained wind speed is 55 kt with gusts to 65 kt. Peak seas are near 20 ft. Numerous moderate to strong convection is noted from 10N to 13N between 109W and 114W, and from 13N to 15N between 110W and 112W. Tropical Storm Georgette is centered near 15.3N 121.8W at 29/0900 UTC moving W at 9 kt. Estimated minimum central pressure is 1000 mb. Maximum sustained wind speed is 45 kt with gusts to 55 kt. Peak seas are currently near 14 ft. Numerous moderate to strong convection is within 150 nm W semicircle. Georgette is a very small storm and little change in strength is forecast during the next few days. Please read the latest High Seas Forecast issued by the National Hurricane Center at https://www.nhc.noaa.gov/MIAHSFEP2.shtml and the latest NHC Forecast/Advisory and Public Advisory at www.hurricanes.gov for more details. ...TROPICAL WAVES... The axis of a tropical wave is near 97W north of 04N, moving westward 10 kt. Scattered moderate convection is near the wave axis from 10N to 12N between 96W and 98W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please see above for more on Tropical Storm Frank. Recent scatterometer data indicate gentle to moderate NW-N winds across the offshore waters of Baja California and moderate to locally fresh SE to S winds in the north and central Gulf of California. Gentle to moderate E-SE winds prevail across the SW coast of Mexico. Seas are in the 4-6 ft range elsewhere over the open waters off Mexico, with seas in the 2-4 ft range over the Gulf of California. For the forecast, T.S. Frank will strengthen to a hurricane near 13.8N 113.0W Fri morning, move to 14.9N 114.7W Fri evening, 16.1N 116.5W Sat morning, 17.4N 118.2W Sat evening, 18.7N 119.9W Sun morning, and 19.9N 121.7W Sun evening. Frank will weaken to a tropical storm near 22.2N 124.9W late Mon. For the forecast outside of Frank, mainly gentle to moderate NW-N winds will prevail across the waters off Baja California through tonight. Then, winds will turn to the E and SE across the offshore waters between Cabo Corrientes and Cabo San Lazaro by Sat due to the outer influence of Frank. At the same time, seas generated by Frank will propagate across this area, building seas of up to 11 or 12 ft. In the Gulf of California, moderate to locally fresh southerly winds are expected in the north part of the Gulf while mainly gentle to moderate winds will prevail elsewhere. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Recent scatterometer data provide observations of moderate to fresh winds over and downwind of the Gulf of Papagayo and offshore Nicaragua. Gentle to moderate winds are elsewhere north of the monsoon trough while gentle to moderate S to SW winds are south of the monsoon trough. Seas are generally 3 to 5 ft, except 4 to 6 ft between Ecuador and the Galapagos Islands. For the forecast, gentle to moderate winds will prevail across the region into the weekend, with slight to moderate seas in south to southwest swell. Winds will pulse fresh to strong at night downwind of the Papagayo region during the upcoming weekend. REMAINDER OF THE AREA... See the Special Features section for more information on Tropical Storm Frank and Tropical Storm Georgette. Outside of Frank and Georgette, a ridge dominates the waters N of 20N and W of 115W. prevails across the waters west of 120W. Under the influence of the ridge, mainly gentle to moderate N-NE winds prevail with seas of 5 to 7 ft across the open Pacific, except 4-5 ft over the NW corner of the forecast area. For the forecast, mainly moderate or weaker winds are expected across the area for the next few days outside of Frank and Georgette. Expect winds and seas to increase east of 125W today as Tropical Storm Frank intensifies while moving northwestward. The leading edge of 8 ft seas associated with Frank are expected to reach 20N by this evening and 24N by Sat evening. Fresh S to SW winds will build across the tropics between 110W and 130W over the weekend and feed into Frank and Georgette, with seas building 7-8 ft. South to southeasterly swell will enter the area this weekend, affecting mainly the waters south of the equator. $$ GR