000 AXPZ20 KNHC 020235 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 118 UTC Thu May 2 2019 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 0000 UTC surface analysis and satellite imagery through 0300 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A trough extends from 06N77W to 05N93W. The ITCZ continues from 05N93W to 06N110W to 05N120W. It then resumes W of a surface trough near 04N128W beyond 01N140W. Scattered moderate to isolated strong convection is from 04N to 07N between 84W and 99W. Scattered moderate isolated strong convection was noted from 03N to 09N between 108W and 120W. Scattered moderate convection is from 04N to 07N between 120W and 130W. ...DISCUSSION... OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A high pressure ridge over the NE Pacific waters extends from 30N128W south-southeastward to near the Revillagigedo Islands. The pressure gradient between the ridge and a surface trough over the Gulf of California is supporting gentle to moderate winds off the west coast of the Baja California peninsula. Seas over this area are in the 4-6 ft range. The ridge will stay in place through the end of the weekend, maintaining these winds and seas through the period. Ongoing agricultural burning, which are normally carried on during this time of year in SE Mexico and Central America, is generating smoke leading to hazy conditions along and adjacent to the coast of Mexico from Guerrero to the Gulf of Tehuantepec. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to strong winds are over the Gulf of Papagayo. Seas are to 6 ft. Winds will diminish to moderate, and seas will be 6 ft on Thursday. REMAINDER OF THE AREA... Surface ridging prevails across the northern waters. The pressure gradient between this area of high pressure and lower pressure in the vicinity of the ITCZ is supporting moderate to fresh trade winds N of the ITCZ to near 20N and W of 115W. An area of strong NE winds and 9 ft seas are forecast for Thursday evening from 07N to 10N between 127W and 132W. By Friday evening the area of 8 ft swell will expand but winds will diminish to fresh. A cold front is over the NW forecast waters near 30N139W. Winds ahead of the front will briefly strengthen Thursday into Friday before diminishing. The front is expected to move N of the area by Sun evening. Cross-equatorial SW swell will reach the equator Thursday, with seas of 8 ft or 9 ft reaching the area near the equator and 120W Thursday evening. This swell will propagate through much of the forecast area S of 05N between 95W and 132W by Saturday evening. $$ Formosa