< Typhoon 197517 1975 Season Typhoon 197519 >
Typhoon 197518 (HELEN)
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Central Pressure Chart (Time Zone = UTC)
Basic Information
Birth
1975-11-03 06:00:00 UTC
Death (Latest)
1975-11-04 12:00:00 UTC
Lifetime
30 (hours) / 1.250 (days)
Lifetime [JMA]
30 (hours) / 1.250 (days)
Minimum Pressure
1000 (hPa)
Maximum Wind
(knots)
Largest Radius of Storm Wind
(nm) / 0 (km)
Largest Diameter of Storm Wind
(nm) / 0 (km)
Largest Radius of Gale Wind
(nm) / 0 (km)
Largest Diameter of Gale Wind
(nm) / 0 (km)
Length of Movement
711 (km)
Average Speed
23.7 (km/h) | 569 (km/d)
Range of Movement
Latitude 1.0 : Longitude 5.0
Wind Flux
0.0000E+00
Accumulated Cyclone Energy
0.0000E+00
Power Dissipation Index
0.0000E+00
Maximum Pressure Drop
-4 hPa / 06 hours
-4 hPa / 12 hours
-4 hPa / 24 hours
0 hPa / 48 hours
Data Start
1975-11-01 00:00:00 UTC
Data End
1975-11-04 12:00:00 UTC
Data Duration
84 (hours) / 3.500 (days)
Animation
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< Typhoon 197517 1975 Season Typhoon 197519 >

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