Timeline of the 2004 Pacific hurricane season 2093653 183621248 2008-01-11T13:29:47Z Lightmouse 4469495 [[User:Lightmouse/monobook.js/script.js|Script]] assisted. Units/dates/other Below is a '''timeline of the 2004 Pacific hurricane season''', documenting all the storm formations, strengthening, weakening, [[landfall (meteorology)|landfalls]], [[Extratropical cyclone#Extratropical transition|extratropical transitions]], as well as dissipation. The season officially began on [[May 15]], [[2004]], and lasted until [[November 30]]. For convenience and clarity, in the timeline below, all landfalls are bolded. The timeline also includes information which was not operationally released, meaning that information from post-storm reviews by the [[National Hurricane Center]], such as information on a storm that was not operationally warned on, have been included. ==May== *[[May 21]] **5 p.m. [[Pacific Time Zone|PDT]] (0000 [[UTC]] [[May 22]]) - '''Tropical Depression One-E''' forms 575 statute miles (925 km) south-southeast of [[Cabo San Lucas]], [[Mexico]]. *[[May 22]] **5 a.m. PDT (1200 UTC) - Tropical Depression One-E strengthens into '''Tropical Storm Agatha'''. *[[May 23]] **5 p.m. PDT (0000 UTC, [[May 24]]) - Tropical Storm Agatha weakens into a tropical depression. *[[May 24]] **5 a.m. PDT (1200 UTC) - Tropical Depression Agatha dissipates. ==June== *There was no tropical cyclone activity in this basin in June. The last time this happened was in 1969. ==July== *[[July 2]] **9 a.m. PDT (1600 UTC) - '''Tropical Depression Two-E''' forms. *[[July 3]] **2 p.m. PDT (2100 UTC) - Tropical Depression Two-E loses tropical characteristics. *[[July 5]] **5 p.m. [[Hawaii-Aleutian Standard Time Zone|HST]] (0300 UTC [[July 6]]) - '''Tropical Depression One-C''' forms {{convert|700|mi|km}} south-southeast of [[Johnston Island]]. *[[July 6]] **5 p.m. HST (0300 UTC [[July 7]]) - Tropical Depression One-C dissipates. *[[July 12]] **8 a.m. PDT (1500 UTC) - '''Tropical Depression Three-E''' forms south of [[Mexico]]. **8 p.m. PDT (0300 UTC [[July 13]]) - Tropical Depression Three-E is upgraded to '''Tropical Storm Blas'''. *[[July 14]] **2 p.m. PDT (2100 UTC) - Tropical Storm Blas is downgraded to a tropical depression. **8 p.m. PDT (0300 UTC [[July 15]]) - Tropical Depression Blas begins dissipating. *[[July 18]] **8 p.m. PDT (0300 UTC [[July 19]]) - '''Tropical Depression Four-E''' forms {{convert|600|mi|km}} south-southwest of the southern tip of [[Baja California (peninsula)|Baja California]]. *[[July 19]] **2 p.m. PDT (2100 UTC) - Tropical Depression Four-E is upgraded to '''Tropical Storm Celia'''. *[[July 21]] **8 p.m. PDT (0300 UTC [[July 22]]) - Tropical Storm Celia becomes '''Hurricane Celia'''. *[[July 22]] **11 a.m. PDT (1800 UTC) - Hurricane Celia is downgraded to a tropical storm. *[[July 24]] **2 a.m. PDT (0900 UTC) - Tropical Storm Celia is downgraded to a tropical depression. *[[July 25]] **2 p.m. PDT (2100 UTC) - Tropical Depression Celia dissipates into a remnant low. *[[July 26]] **2 p.m. PDT (2100 UTC) - '''Tropical Depression Five-E''' forms south of [[Cabo San Lucas]]. **8 p.m. PDT (0300 UTC [[July 27]]) - Tropical Depression Five-E is upgraded to '''Tropical Storm Darby'''. *[[July 28]] **2 a.m. PDT (0900 UTC) - Tropical Storm Darby becomes '''Hurricane Darby'''. **2 p.m. PDT (2100 UTC) - Hurricane Darby reaches Category 2 intensity. *[[July 29]] **2 a.m. PDT (0900 UTC) - Hurricane Darby reaches Category 3 intensity, the first major Pacific hurricane since 2002. **2 a.m. PDT (0900 UTC) - '''Tropical Depression Six-E''' forms about {{convert|425|nmi|km}} south-southwest of the southern tip of [[Baja California (peninsula)|Baja California]]. **8 p.m. PDT (0300 UTC [[July 30]]) - Advisories on Tropical Depression Six-E are discontinued. *[[July 30]] **8 a.m. PDT (1500 UTC) - Hurricane Darby is downgraded to a tropical storm. *[[July 31]] **8 a.m. PDT (1500 UTC) - Tropical Storm Darby weakens to a tropical depression. **11 p.m. PDT (0900 UTC [[August 1]]) - Tropical Depression Darby dissipates. ==August== *[[August 1]] **8 p.m. PDT (0300 UTC [[August 2]]) - '''Tropical Depression Six-E''' regenerates about {{convert|1215|nmi|km}} west-southwest of [[Baja California (peninsula)|Baja California]]. *[[August 3]] **2 p.m. PDT (2100 UTC) - Tropical Depression Six-E dissipates. *[[August 19]] **2 a.m. PDT (0900 UTC) - '''Tropical Depression Seven-E''' forms {{convert|1395|nmi|km}} east-southeast of [[Hilo, Hawaii]]. *[[August 20]] **2 a.m. PDT (0900 UTC) - Tropical Depression Seven-E is upgraded to '''Tropical Storm Estelle'''. **8 p.m. PDT (5 p.m. HST; 0300 UTC [[August 21]]) - Tropical Storm Estelle crosses 140°W, entering the [[Central Pacific Hurricane Center]]'s jurisdiction. *[[August 23]] **2 a.m. PDT (0900 UTC) - '''Tropical Depression Eight-E''' forms from the remains of [[Tropical Storm Earl (2004)|Tropical Storm Earl]], which crossed over from the [[Atlantic Ocean|Atlantic basin]]. **8 a.m. PDT (1500 UTC) - Tropical Depression Eight-E strengthens into '''Tropical Storm Frank''', one of the few times a storm has survived crossing from the Atlantic to the Pacific. **2 p.m. PDT (2100 UTC) - Tropical Storm Frank is upgraded to '''Hurricane Frank''' **2 p.m. PDT (2100 UTC) - '''Tropical Depression Nine-E''' forms about {{convert|845|nmi|km}} west-southwest of the tip of [[Baja California (peninsula)|Baja California]]. *[[August 25]] **2 a.m. PDT (0900 UTC) - Hurricane Frank is downgraded to a tropical storm. **8 p.m. PDT (0300 UTC [[August 26|Aug. 26]]) - Tropical Storm Frank weakens to a tropical depression. *[[August 26]] **8 a.m. PDT (1500 UTC) - Tropical Depression Frank dissipates. **8 a.m. PDT (1500 UTC) - Tropical Depression Nine-E dissipates. **8 a.m. PDT (1500 UTC) - '''Tropical Depression Ten-E''' forms about {{convert|305|mi|km}} south-southwest of [[Manzanillo]], [[Colima]], [[Mexico]]. **2 p.m. PDT (2100 UTC) - Tropical Depression Ten-E is upgraded to '''Tropical Storm Georgette'''. *[[August 30]] **2 a.m. PDT (0900 UTC) - Tropical Storm Georgette weakens to a tropical depression. **8 a.m. PDT (1500 UTC) - Tropical Depression Georgette degenerates into a remnant low. **2 p.m. PDT (2100 UTC) - '''Tropical Depression Eleven-E''' forms southwest of [[Acapulco]]. *[[August 31]] **2 a.m. PDT (0900 UTC) - Tropical Depression Eleven-E is upgraded to '''Tropical Storm Howard'''. ==September== *[[September 1]] **2 a.m. PDT (0900 UTC) - Tropical Storm Howard is upgraded to '''Hurricane Howard'''. *[[September 2]] **2 a.m. PDT (0900 UTC) - Hurricane Howard jumps to Category 3 intensity. **8 a.m. PDT (1500 UTC) - Hurricane Howard reaches Category 4 intensity. *[[September 4]] **8 a.m. PDT (1500 UTC) - Hurricane Howard weakens to a tropical storm. *[[September 5]] **2 a.m. PDT (0900 UTC) - Tropical Storm Howard weakens to a tropical depression. **8 a.m. PDT (1500 UTC) - Tropical Depression Howard dissipates. *[[September 8]] **2 a.m. PDT (0900 UTC) - '''Tropical Depression Twelve-E''' forms. **2 p.m. PDT (2100 UTC) - Tropical Depression Twelve-E is upgraded to '''Tropical Storm Isis'''. *[[September 10]] **2 p.m. PDT (2100 UTC) - Tropical Storm Isis weakens to a tropical depression. **2 p.m. PDT (2100 UTC) - '''Tropical Depression Thirteen-E''' forms south-southeast of the [[Gulf of Tehuantepec]]. *[[September 11]] **8 a.m. PDT (1500 UTC) - Tropical Depression Thirteen-E is upgraded to '''Tropical Storm Javier'''. **8 p.m. PDT (0300 UTC [[September 12|Sept. 12]]) - Tropical Depression Isis restrengthens into a tropical storm. *[[September 12]] **2 p.m. PDT (2100 UTC) - Tropical Storm Javier strengthens into '''Hurricane Javier'''. *[[September 13]] **2 a.m. PDT (0900 UTC) - Hurricane Javier reaches Category 2 strength. **8 a.m. PDT (1500 UTC) - Hurricane Javier reaches Category 3 strength. **2 p.m. PDT (2100 UTC) - Hurricane Javier reaches Category 4 strength. *[[September 15]] **8 a.m. PDT (1500 UTC) - Tropical Storm Isis is upgraded to '''Hurricane Isis'''. **2 p.m. PDT (2100 UTC) - Hurricane Isis is downgraded to a tropical storm as the eye collapses. *[[September 16]] **2 p.m. PDT (2100 UTC) - Tropical Storm Isis weakens to a tropical depression. *[[September 17]] **2 a.m. PDT (0900 UTC) - Tropical Depression Isis loses tropical characteristics. *[[September 18]] **8 a.m. PDT (1500 UTC) - Hurricane Javier is downgraded to a tropical storm. **8 p.m. PDT (0300 UTC [[September 19|Sept. 19]]) - Tropical Storm Javier weakens to a tropical depression. *[[September 19]] **''Exact time unknown'' - '''Tropical Depression Javier makes [[landfall]] near [[San Ignacio]] in [[Baja California Sur]].''' **8 a.m. PDT (1500 UTC) - Tropical Depression Javier dissipates inland. ==October== *[[October 4]] **2 p.m. PDT (2100 UTC) - '''Tropical Depression Fourteen-E''' forms south of [[Cabo San Lucas]]. *[[October 5]] **8 a.m. PDT (1500 UTC) - Tropical Depression Fourteen-E becomes '''Tropical Storm Kay'''. **2 p.m. PDT (2100 UTC) - Tropical Storm Kay and weakens into a tropical depression. *[[October 6]] **8 a.m. PDT (2100 UTC) - Tropical Depression Kay begins dissipating into a remnant low. *[[October 11]] **2 p.m. PDT (2100 UTC) - '''Tropical Depression Fifteen-E''' forms {{convert|90|mi|km}} south-southwest of [[Puerto Angel]], [[Mexico]]. *[[October 12]] **2 p.m. PDT (2100 UTC) - Tropical Depression Fifteen-E strengthens into '''Tropical Storm Lester'''. *[[October 13]] **2 p.m. PDT (2100 UTC) - Tropical Storm Lester is downgraded to a tropical depression and rapidly dissipates. *[[October 25]] **3 p.m. PDT (2200 UTC) - '''Tropical Depression Sixteen-E''' forms {{convert|100|mi|km}} south-southwest of [[Altata]], [[Mexico]]. *[[October 26]] **2 a.m. PDT (0900 UTC) - Tropical Depression Sixteen-E dissipates {{convert|35|mi|km}} west of Altata, Mexico. ==See also== {{tcportal}} *[[2004 Pacific hurricane season]] *[[List of Pacific hurricane seasons]] *[[Timeline of the 2004 Atlantic hurricane season]] *[[Timeline of the 2004 Pacific typhoon season]] {{start box}} {{succession box|before=None|title=Pacific hurricane seasons timelines|years=2004|after=[[Timeline of the 2005 Pacific hurricane season|2005]]}}{{end box}} {{DEFAULTSORT:Hurricane season Pacific 2004}} [[Category:2004 Pacific hurricane season| Timeline]] [[Category:2004 meteorology]] [[Category:2004 timelines|Pacific hurricane season]] [[Category:Timelines]]