000 AXPZ20 KNHC 132135 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Tue Oct 13 2020 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 1800 UTC surface analysis and satellite imagery through 2130 UTC. ...SPECIAL FEATURES... Tropical Depression Norbert has developed, centered near 19.8N 111.7W at 13/2100 UTC, and moving NW at 11 kt. Estimated minimum central pressure is 1007 mb. Maximum sustained wind speed is 30 kt with gusts to 40 kt. Scattered moderate isolated strong convection is noted within 180 nm over the NW semicircle. Norbert is expected to remain as a depression as it moves NNW through the next 48 hours. The system will dissipate on Thursday. Please read the latest NHC Public Advisory at https://www.nhc.noaa.gov/text/MIATCPEP4.shtml and Forecast/ Advisory at https://www.nhc.noaa.gov/text/MIATCMEP4.shtml for more details. ...TROPICAL WAVES... A tropical wave axis is just E of the area along 80W from western Colombia northward, moving W around 5-10 kt. Scattered moderate and isolated strong convection is noted from 04N to 13N to the E of 88W. A tropical wave axis is along 97W from 00N-16N, is moving westward at around 10 kt. Scattered moderate convection is noted from 10N to 15N between 92W and 96W. A tropical wave axis is along 117W from 05N to 17N, moving westward at around 10 kt. No significant convection is related to this wave at this time. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from northern Colombia near 10N76W to 11N86W to 06N100W to 10N133W. The ITCZ extends from 10N133W to beyond 10N140W. Scattered moderate convection is noted from 04N- 13N and E of 88W, from 05N-12N between 100W-114W, and from 08N- 11N between 120W-125W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please see the Special Features section for more details on the redeveloped T.D. Norbert. Moderate to locally fresh NW to N winds are expected across the offshore waters of Baja California during the next several days. Similar winds are expected from near Cabo Corrientes northward through the southern and central Gulf of California Wed through Thu night, spreading to the northern Gulf of California Fri. Winds will shift to southerly from near Cabo Corrientes northward to the northern Gulf of California this weekend as a trough moves from western Mexico westward offshore. The next gap wind event in the Tehuantepec region is expected to begin this evening and pulse through the forecast period. Gale conditions are possible Fri night through early Sun, with seas building up to 14 ft by late Fri into early Sat. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Moderate NE-E winds will pulse in the Papagayo region at night, increasing to moderate to fresh Sat night. A southerly wind surge may occur in the Gulf of Panama tonight ahead of a tropical wave which will move by overnight. Strong thunderstorms and squally conditions may accompany this wave. Moderate southwesterly winds are expected S of the monsoon trough while mainly light to gentle winds will prevail N of it through the next several days. Mainly moderate long period southerly swell with combined seas of 4 to 7 ft will prevail across the waters through the end of the week into the weekend. REMAINDER OF THE AREA... A set of northerly swell continues to reach the area N of 27N, with seas ranging between 8 to 9 ft. This swell will continue to propagate across the northern waters through the next couple of days mainly between 125W and 140W. A reinforcing set of northerly swell will move across the northern waters by the end of the week into the weekend. Moderate to locally fresh monsoonal flow is noted across the remainder of the area S of the monsoon trough, with moderate to locally fresh trades N of the monsoon trough and W of 120W. Seas of 5 to 7 ft in mixed swell dominates the remainder of the waters. $$ ERA