000 AXPZ20 KNHC 220932 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 606 UTC Fri Jul 22 2016 Tropical Weather Discussion for the eastern Pacific Ocean from the Equator to 32N, east of 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 0830 UTC. ...SPECIAL FEATURES... Tropical Storm Estelle was centered at 21.5N 132.0W, or about 1415 nautical miles W of the southern tip of the Baja California Peninsula at 0900 UTC Jul 22. Estelle is moving WNW, or 295 degrees at 14 kt. The maximum sustained winds are 35 kt with gusts to 45 kt. The estimated minimum central pressure is 1005 mb. Refer to the latest NHC forecast advisory under AWIPS/WMO headers MIATCMEP1/WTPZ21 KNHC for more details. Tropical Storm Frank was centered at 16.7N 106.3W, or about 205 nautical miles SW of Manzanillo, Mexico at 0900 UTC Jul 22. Frank is moving NW, or 310 degrees at 10 kt. The maximum sustained winds are 45 kt with gusts to 55 kt. The estimated minimum central pressure is 1000 mb. Scattered moderate and isolated strong convection is present in the W semicircle within 180 nm. Refer to the latest NHC forecast advisory under AWIPS/WMO headers MIATCMEP2/WTPZ22 KNHC for more details. Tropical Depression Eight-E was centered at 11.8N 116.0W, or about 865 miles SSW of the southern tip of the Baja California Peninsula at 0900 UTC Jul 22. The depression is moving WNW, or 295 degrees at 11 kt. The maximum sustained winds are 30 kt with gusts to 40 kt. The estimated minimum central pressure is 1006 mb. Scattered moderate convection is from 08N to 14N between 111W and 122W. Refer to the latest NHC forecast advisory under AWIPS/WMO headers MIATCMEP3/WTPZ23 KNHC for more details. Also see latest high seas forecast under AWIPS/WMO headers MIAHSFEP2/FZPN03 KNHC for more details on the wave forecasts associated with these three systems. ..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 08N78W to 07N82W to 12N98W. Scattered moderate isolated strong convection is found from 03N to 12N between 77W and 96W. ...DISCUSSION... N of 15N E of 120W: See special features above for information about Tropical Storm Frank. Frank is forecasted to intensify into a Hurricane over the weekend and track northwest across the area through the middle of next week. Winds will reach 20 to 25 kt tonight and to around 20 kt Fri night over the Gulf of Tehuantepec aided by high pressure over the Gulf of Mexico. Seas may reach as high as 8 ft Fri morning. A surface ridge extends from 32N128W to 17N119W. The gradient on the E side of the ridge will continue to support moderate northwest to north winds through tonight, then will increase to fresh several hundred miles west of Baja California Friday and Saturday. Seas will build to between 5 and 8 ft during that time period. Winds and seas will gradually subside during the first half of next week. A NNW to SSE oriented trough will meander E and W over the Baja California Peninsula and the northern Gulf of California this week, maintaining light and variable winds across the Gulf of California waters through Fri. Gentle to moderate southerly flow is expected from Sat until early next week. S of 15N E of 120W: Moderate to locally fresh easterly winds are expected across and just downstream of the Gulf of Papagayo during the overnight hours the next several days aided by nocturnal drainage flow. Tropical Depression Eight-E has developed over the western portion of this area. This system should move west of the area by Saturday evening. Please refer to the special features section for more details. W of 120W: Tropical Storm Estelle will continue to move west-northwestward through the west-central portion of the area. An area of 8 ft or greater seas surrounds the storm to 300 nm. This area of seas has begun to shrink and will continue to do so as Estelle continues to weaken during this weekend. Please see the special features for more details on this storm. Tropical Depression Eight-E will make its way into the southeastern portion of this region by Sunday as a strengthening tropical storm. $$ cam