TCOTD – Typhoon Joan- Oct. 16

October 16
1997 JOAN 125 knots in the Western North Pacific
1997284N04179.JOAN.1997.10.16.2100.22.GMS-5.093.hursat-b1.v05


This system was one of the most intense cyclone during the satellite era. This image is a few days before it reaches maximum intensity. IT is one of the first images with an eye. This image really shows how the eye forms from spiral bands (seen in the darker blue shades) cut off a clear region of sinking air. The eye is likely one pixel (so about 8 km).

Go classify images like this at www.cyclonecenter.org

Statistics and Rankings
Global rank (of 3248) Basin rank (of 1012) Yearly rank (of 105)
Lifetime Maximum Wind (knots) 160 5 3 2
Lifetime Minimum Pressure (mb) 922 660 111 21
ACE (103 knots2) 293.24 40 11 4
PDI (105 knots3) 268.67 38 13 4
Duration (days) 14.75 256 118 23
TC Days (days) 11.50 160 45 10
Hurricane Days (days) 8.75 58 21 2
Distance Traversed (km) 10671. 28 14 4

IBTrACS Storm ID: 1997284N04179

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About K Knapp

I am a meteorologist at NOAA’s National Climatic Data Center in Asheville, NC. My research interests include using satellite data to observe hurricanes, clouds, and other climate variables. *******Disclaimer******* The opinions expressed in these blogs are mine only. They do not necessarily reflect the official views or policies of NOAA, Department of Commerce, or the US Government.

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