1978 season

Tropical Storm Irma (1978)

Oct 2, 12:00 PM UTC – Oct 5, 6:00 PM UTC (3.3 days)

Peak
Tropical Storm
Max sustained wind
50 mph (45 kt)
Lowest pressure
1001 mb
Landfalls
0

Track

  • Hurricane
  • Tropical Storm
  • Tropical Depression
  • Other
  • Large white-ringed dots: landfall
Every track point (14)
UTCStatusPositionWind ktmbNote
1978-10-02 12:00SD31.7°N 31.5°W301010
1978-10-02 18:00SD32.0°N 31.5°W301006
1978-10-03 00:00SD32.3°N 31.5°W30—
1978-10-03 06:00SD32.6°N 31.5°W30—
1978-10-03 12:00SD32.9°N 31.5°W30—
1978-10-03 18:00SD33.4°N 31.5°W30—
1978-10-04 00:00SD33.9°N 31.5°W30—
1978-10-04 06:00SD34.5°N 31.5°W30—
1978-10-04 12:00TS35.1°N 31.5°W401004
1978-10-04 18:00TS35.8°N 31.4°W451002
1978-10-05 00:00TS36.7°N 31.2°W451001
1978-10-05 06:00TS38.2°N 30.4°W401002
1978-10-05 12:00TS40.0°N 28.8°W40—
1978-10-05 18:00EX43.0°N 26.2°W40—

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.