Darby weakens to a remnant low west-northwest of Kauai

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At 5:00 p.m., the center of Post-Tropical Cyclone Darby was located near latitude 22.6 North, longitude 161.8 West. The post-tropical cyclone is moving toward the west-northwest near 9 mph (15 km/h), and this motion is expected to continue until dissipation.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. Darby is expected to continue weakening and will dissipate to a low pressure trough tonight or Tuesday.

The estimated minimum central pressure is 1012 mb (29.89 inches).


  • Location: 22.6N 161.8W
  • About 130 mi west-northwest of Barking Sands
  • About 265 mi west-northwest of Honolulu
  • Maximum sustained winds: 30 mph
  • Present movement: West-northwest or 300 degrees at 9 mph
  • Minimum central pressure: 1012 mb


Darby is an elliptical low-level swirl devoid of persistent deep convection. All 3 satellite agencies considered the system too weak to classify. A combination of moderate shear and cooler waters along the expected track of the feature makes regeneration unlikely. Thus, the system is being declared a post-tropical remnant low with this advisory. The remnants of Darby are expected to become a trough which should continue tracking toward the west-northwest toward a weakness in the subtropical ridge over the next couple of days.

This will be the last advisory issued by the Central Pacific Hurricane Center on Darby unless regeneration occurs. Additional information on this system can be found in the High Seas Forecasts issued by the National Weather Service in Honolulu under AWIPS header HFOHSFNP and WMO header FZPN40 PHFO.

Wind History
Wind History
Sea Surface Temp
Sea Surface Temp
Mariner's 1-2-3 Rule
Mariner's 1-2-3 Rule

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