1978 season

Tropical Storm Sergio (1978)

Oct 18, 6:00 PM UTC – Oct 21, 12:00 PM UTC (2.8 days)

Peak
Tropical Storm
Max sustained wind
40 mph (35 kt)
Lowest pressure
—
Landfalls
0

Track

  • Hurricane
  • Tropical Storm
  • Tropical Depression
  • Other
  • Large white-ringed dots: landfall
Every track point (12)
UTCStatusPositionWind ktmbNote
1978-10-18 18:00TS15.9°N 107.7°W35—
1978-10-19 00:00TS16.5°N 108.7°W35—
1978-10-19 06:00TS17.5°N 109.5°W35—
1978-10-19 12:00TS18.7°N 110.7°W35—
1978-10-19 18:00TS19.5°N 111.9°W35—
1978-10-20 00:00TS20.6°N 113.1°W35—
1978-10-20 06:00TD21.7°N 113.9°W30—
1978-10-20 12:00TD22.9°N 114.2°W25—
1978-10-20 18:00TD24.0°N 114.0°W20—
1978-10-21 00:00EX24.5°N 114.0°W20—
1978-10-21 06:00EX25.3°N 114.0°W20—
1978-10-21 12:00EX26.0°N 113.9°W20—

From the National Hurricane Center's best-track archive (HURDAT2), its post-season reanalysis; values can differ from the advisories issued at the time. Source: hurdat2-1851-2025-092326.txt, hurdat2-nepac-1949-2025-092926.txt.