< Typhoon 197720 1977 Season Typhoon 197801 >
Typhoon 197721 (MARY)
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Central Pressure Chart (Time Zone = UTC)
Basic Information
Birth
1977-12-21 00:00:00 UTC
Death (Latest)
1978-01-02 18:00:00 UTC
Lifetime
306 (hours) / 12.750 (days)
Lifetime [JMA]
306 (hours) / 12.750 (days)
Minimum Pressure
945 (hPa)
Maximum Wind
85 (knots)
Largest Radius of Storm Wind
75 (nm) / 140 (km)
Largest Diameter of Storm Wind
150 (nm) / 280 (km)
Largest Radius of Gale Wind
200 (nm) / 370 (km)
Largest Diameter of Gale Wind
400 (nm) / 750 (km)
Length of Movement
6370 (km)
Average Speed
20.8 (km/h) | 499 (km/d)
Range of Movement
Latitude 3.9 : Longitude 54.3
Wind Flux
2.7650E+03
Accumulated Cyclone Energy
1.5972E+05
Power Dissipation Index
9.8131E+06
Maximum Pressure Drop
-10 hPa / 06 hours
-12 hPa / 12 hours
-20 hPa / 24 hours
-30 hPa / 48 hours
Data Start
1977-12-18 06:00:00 UTC
Data End
1978-01-03 12:00:00 UTC
Data Duration
390 (hours) / 16.250 (days)
Animation
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Only Track
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Track and Central Pressure
  1. 198224
  2. 200428
  3. 196901
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< Typhoon 197720 1977 Season Typhoon 197801 >

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