HurricaneTracks

All storm pages · 1997 Pacific season

Hurricane Guillermo 1997

Category 5 hurricane · Eastern and Central Pacific · July 30 to August 15, 1997

Guillermo's central pressure fell to 919 mb, the tenth-lowest among the 754 eastern and central Pacific storms with a recorded pressure. Its best track runs 7,666 miles from first to last position, the second-longest path in the eastern and central Pacific database. It reached Category 5 with 160 mph winds, one of 24 eastern and central Pacific storms to do so since 1949.

Track of Guillermo (1997) from the best-track record, coloured by strength20°N30°N40°N50°N160°W150°W140°W130°W120°W110°W100°WPeak 160 mphFirst recordNot tropicalDepressionTropical stormCategory 1Category 2Category 3Category 4Category 500 and 12 UTC

Strength over time

Maximum sustained wind of Guillermo (1997) over time, in mphTSCat 1Cat 2Cat 3Cat 4Cat 504080120160200Jul 31Aug 4Aug 8Aug 12Aug 16Aug 20Aug 24mph
  1. First record (tropical depression) 315 miles south-southwest of Tapachula, Chiapas, Mexico
  2. Tropical storm 270 miles south of Pochutla, Oaxaca, Mexico
  3. Hurricane 350 miles south-southwest of Tecpan, Guerrero, Mexico
  4. Major hurricane 440 miles south-southwest of Manzanillo, Colima, Mexico
  5. Peak 745 miles southwest of Cabo San Lucas, Baja California Sur, Mexico
  6. No longer tropical (extratropical low) far out at sea, at 41.8°N, 161.0°W
  7. Last record 335 miles west-southwest of Eureka, California

Against every Pacific storm since 1949

Peak sustained wind160 mph · tied 9th of 1,26225 mph215 mph
Lowest central pressure919 mb · 10th of 754872 mb1009 mb
Accumulated cyclone energy40.0 · 14th of 1,1540.185.3
Days as a tropical or subtropical cyclone16.2 days · tied 17th of 1,2620.0 days29.8 days

More from the record

Its winds climbed 60 mph in the 24 hours to August 3.

In the 1997 season

04080120160200Guillermo

Storm 10 of 24 in 1997, hurricane 4 of 11; it formed after Central Pacific Storm 1 of 1997 and before Hilda. Guillermo produced 14% of the season's accumulated cyclone energy and ranks joint third by peak wind. See the season.

Closest to land

Nearest town of 10,000 people or more: Puerto Escondido, Oaxaca, Mexico, 267 miles from the center on July 31 (tropical storm stage).

Also peaked at 160 mph

Of 14 storms from other Pacific seasons, the nearest in time: