< Typhoon 197817 1978 Season Typhoon 197819 >
Typhoon 197818 (IRMA)
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Central Pressure Chart (Time Zone = UTC)
Basic Information
Birth
1978-09-11 18:00:00 UTC
Death (Latest)
1978-09-15 18:00:00 UTC
Lifetime
96 (hours) / 4.000 (days)
Lifetime [JMA]
96 (hours) / 4.000 (days)
Minimum Pressure
970 (hPa)
Maximum Wind
65 (knots)
Largest Radius of Storm Wind
60 (nm) / 110 (km)
Largest Diameter of Storm Wind
120 (nm) / 220 (km)
Largest Radius of Gale Wind
160 (nm) / 300 (km)
Largest Diameter of Gale Wind
290 (nm) / 540 (km)
Length of Movement
1916 (km)
Average Speed
20.0 (km/h) | 479 (km/d)
Range of Movement
Latitude 10.5 : Longitude 10.7
Wind Flux
9.0500E+02
Accumulated Cyclone Energy
5.1775E+04
Power Dissipation Index
2.9926E+06
Maximum Pressure Drop
-10 hPa / 06 hours
-10 hPa / 12 hours
-15 hPa / 24 hours
-19 hPa / 48 hours
Data Start
1978-09-09 00:00:00 UTC
Data End
1978-09-15 18:00:00 UTC
Data Duration
162 (hours) / 6.750 (days)
Animation
Best Track
AMeDAS Precipitation
AMeDAS Wind Speed and Direction
AMeDAS Sun Duration
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< Typhoon 197817 1978 Season Typhoon 197819 >

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