This is storm FAYE that was active in 1952 in the W. Pacific region with maximum winds of 126 km/h.

What was the maximum intensity of the storm?

Max Wind: 126 km/h. Min Pressure: hPa.

storm FAYE (1952) - Track and intensity details

Name: storm FAYE
Start: 1952-12-13
End: 1952-12-20
Location: W. Pacific

FAYE (1952)

Storm Code: 1952348N08129 | Region: W. Pacific
Active from 13/12/1952 to 20/12/1952 (7 days)

83 km/h

1-min Wind (JTWC)

Level 9

126 km/h

10-min Wind (CMA)

Level 12

990 hPa

Min Pressure

2,647 km

Distance

Forecast Agencies

Agency	Max Intensity	Trajectory	Energy	highest_classification
WMO (International) (coordinates_only)	~	990	28	2,451	~	~	Undefined
JMA (Japan) (coordinates_only)	~	990	55	2,647	~	~	Undefined
CMA (China)	126	990	53	2,260	23.60	25.22	Level 12 - Violent Storm
TD9636	83	~	45	1,502	6.59	4.76	Level 9 - Storm
JTWC	83	~	27	1,065	6.28	4.45	Level 9 - Storm
DS824	83	~	27	1,065	6.28	4.45	Level 9 - Storm
TD9635	83	999	27	1,065	6.28	4.45	Level 9 - Storm

Agency

Max Intensity

Trajectory

Energy

highest_classification

Max Wind (km/h)

Min Pressure (hPa)

Number of points

Distance (km)

ACE (10⁴ (km/h)²)

PDI (10⁶ (km/h)³)

WMO (International)
(coordinates_only)

990

2,451

Undefined

JMA (Japan)
(coordinates_only)

990

2,647

Undefined

CMA (China)

126

990

2,260

23.60

25.22

Level 12 - Violent Storm

TD9636

1,502

6.59

4.76

Level 9 - Storm

JTWC

1,065

6.28

4.45

Level 9 - Storm

DS824

1,065

6.28

4.45

Level 9 - Storm

TD9635

999

1,065

6.28

4.45

Level 9 - Storm

Advanced Meteorological Indices by Agency Automatically calculated from raw data

WMO (International)

Pressure Variation
Max Pressure Drop/Step	-10 hPa
Max Pressure Drop/24h	-14 hPa
Max Pressure Rise/Step (weakening)	+5 hPa
Movement & Duration
Avg Movement Speed	15.1
Tracking Time	162h (6.8 days)
Peak Intensity & Range
Latitude	7.5°N – 13.3°N (5.8°)
Longitude	111.1°E – 129°E (17.9°)

JMA (Japan)

Pressure Variation
Max Pressure Drop/Step	-5 hPa
Max Pressure Drop/24h	-14 hPa
Max Pressure Rise/Step (weakening)	+3 hPa
Movement & Duration
Avg Movement Speed	16.3
Tracking Time	162h (6.8 days)
Peak Intensity & Range
Latitude	7.5°N – 13°N (5.5°)
Longitude	110.2°E – 129°E (18.8°)

CMA (China)

Energy
ACE (10⁴ (km/h)²)	23.60	High
PDI (10⁶ (km/h)³)	25.22
Intensification / Weakening
Max Wind Gain/Step	+9 km/h
Max Wind Gain/24h	+37 km/h	Fast
Max Wind Loss/Step	-9 km/h
Pressure Variation
Max Pressure Drop/Step	-3 hPa
Max Pressure Drop/24h	-8 hPa
Max Pressure Rise/Step (weakening)	+3 hPa
Movement & Duration
Avg Movement Speed	14.5 km/h
Tracking Time	156h (6.5 days)
Time as TD+ (≥34kt)	150h (6.3d)
Time as Storm+ (≥64kt)	30h (1.3d)
Peak Intensity & Range
Peak Intensity	14:00 17/12/1952 12.7°N, 112.8°E
Latitude	9.9°N – 13°N (3.1°)
Longitude	110.4°E – 127.9°E (17.5°)

TD9636

Energy
ACE (10⁴ (km/h)²)	6.59	Low
PDI (10⁶ (km/h)³)	4.76
Intensification / Weakening
Max Wind Gain/Step	+7 km/h
Max Wind Gain/24h	+28 km/h
Max Wind Loss/Step	-6 km/h
Movement & Duration
Avg Movement Speed	11.4 km/h
Tracking Time	132h (5.5 days)
Time as TD+ (≥34kt)	84h (3.5d)
Peak Intensity & Range
Peak Intensity	08:00 17/12/1952 13.3°N, 114.4°E
Latitude	12.4°N – 13.5°N (1.1°)
Longitude	112.5°E – 125.5°E (13°)

JTWC

Energy
ACE (10⁴ (km/h)²)	6.28	Low
PDI (10⁶ (km/h)³)	4.45
Intensification / Weakening
Max Wind Gain/Step	+9 km/h
Max Wind Gain/24h	+28 km/h
Max Wind Loss/Step	-9 km/h
Movement & Duration
Avg Movement Speed	13.7 km/h
Tracking Time	78h (3.3 days)
Time as TD+ (≥34kt)	78h (3.3d)
Peak Intensity & Range
Peak Intensity	08:00 17/12/1952 12.7°N, 112.5°E
Latitude	12.1°N – 13.6°N (1.5°)
Longitude	111.7°E – 118.4°E (6.7°)

DS824

Energy
ACE (10⁴ (km/h)²)	6.28	Low
PDI (10⁶ (km/h)³)	4.45
Intensification / Weakening
Max Wind Gain/Step	+9 km/h
Max Wind Gain/24h	+28 km/h
Max Wind Loss/Step	-9 km/h
Movement & Duration
Avg Movement Speed	13.7 km/h
Tracking Time	78h (3.3 days)
Time as TD+ (≥34kt)	78h (3.3d)
Peak Intensity & Range
Peak Intensity	08:00 17/12/1952 12.7°N, 112.5°E
Latitude	12.1°N – 13.6°N (1.5°)
Longitude	111.7°E – 118.4°E (6.7°)

TD9635

Energy
ACE (10⁴ (km/h)²)	6.28	Low
PDI (10⁶ (km/h)³)	4.45
Intensification / Weakening
Max Wind Gain/Step	+9 km/h
Max Wind Gain/24h	+28 km/h
Max Wind Loss/Step	-9 km/h
Pressure Variation
Max Pressure Drop/Step	-1 hPa
Max Pressure Drop/24h	-2 hPa
Max Pressure Rise/Step (weakening)	+1 hPa
Movement & Duration
Avg Movement Speed	13.7 km/h
Tracking Time	78h (3.3 days)
Time as TD+ (≥34kt)	78h (3.3d)
Peak Intensity & Range
Peak Intensity	08:00 17/12/1952 12.7°N, 112.5°E
Latitude	12.1°N – 13.6°N (1.5°)
Longitude	111.7°E – 118.4°E (6.7°)

Advanced Indices Legend

ACE: Accumulated Cyclone Energy - measures total storm activity

PDI: Power Dissipation Index - measures potential destructiveness

RI: Rapid Intensification - when wind increases >=30 kt/24h or pressure drops >=30 hPa/24h

Countries with Direct Landfall

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Index	Meaning	Formula / Condition	Classification
ACE Accumulated Cyclone Energy	Accumulated Cyclone Energy. Measures the total energy generated by the storm during its lifetime. Only counts reports with wind ≥ 35 kt (TS level or higher).	`ACE = Σ(V_max²) / 10&sup4;` Unit: 10⁴ kt²	< 2: Low 2-6: Medium 6-15: High ≥ 15: Very High
PDI Power Dissipation Index	Power Dissipation Index. More sensitive than ACE to extremely strong storms due to using cubic power. Reflects potential destructive power.	`PDI = Σ(V_max&sup³;) / 10&sup6;` Unit: 10⁶ kt³	Higher value = greater cumulative destructive power
RI Rapid Intensification	Rapid Intensification - storm strengthens suddenly in a short time. Very dangerous as it is difficult to forecast and causes surprise for prevention efforts.	Wind increase ≥ 30 kt/24h or Pressure drop ≥ 30 hPa/24h	Has RI or Fast increase (≥20kt)
Max wind gain/step	Maximum wind increase between 2 consecutive reports (usually 6 hours apart). Shows the fastest local intensification rate.	`max(V_i+1 - V_i)` Unit: kt (km/h)	Positive value = storm strengthening
Max wind gain/24h	Maximum wind increase in a 24-hour window. Main criterion for determining Rapid Intensification (RI).	`max(V_t+24h - V_t)` RI if ≥ 30 kt/24h	≥ 30kt: RI ≥ 20kt: Fast
Max wind loss/step	Maximum wind weakening between 2 consecutive reports. Shows at which stage the storm weakened fastest.	`max(V_i - V_i+1)` Unit: kt (km/h)	Positive value = storm weakening
Max pressure drop/step	Maximum pressure drop between 2 consecutive reports. Pressure decrease = storm center strengthening. Reflects local deepening rate.	`max(P_i - P_i+1)` Unit: hPa	Higher value = faster strengthening
Max pressure drop/24h	Maximum pressure drop in a 24-hour window. Important index for evaluating explosive deepening / explosive intensification.	`max(P_t - P_t+24h)` Explosive if ≥ 30 hPa	≥ 30hPa: RI ≥ 20hPa: Strong
Max pressure rise/step	Maximum pressure rise between 2 consecutive reports. Pressure increase = storm weakening. Large value indicates rapid weakening (due to terrain interaction, landfall, etc.).	`max(P_i+1 - P_i)` Unit: hPa	Higher value = faster weakening
Average moving speed	Average moving speed of the storm center during the entire monitoring period by that agency.	`V_avg = S_total / T_total` Unit: kt (km/h)	Slow-moving storms (<15 km/h) usually cause prolonged heavy rain
Monitoring duration	Total time from first report to last report of that agency.	`T = t_end - t_start` Unit: hours (days)	Different agencies may monitor for different durations
TS+ Duration	Total hours with average wind ≥ 34 kt (Tropical Storm level or higher). Reflects how long the storm maintained significant intensity.	Average wind ≥ 34 kt	Longer storm = greater total damage
TY+ Duration	Total hours with average wind ≥ 64 kt (Typhoon level or higher). Storms maintaining this level longer have much greater destructive power.	Average wind ≥ 64 kt	Longer time at Typhoon level = more dangerous
Peak Intensity	Time and location (lat, lon) when the storm reached maximum wind according to each agency. Helps identify where the storm was strongest.	V_max = max(V_i)	Peak location helps assess danger for nearby areas
Latitude / Longitude	Spatial range of activity by latitude and longitude. Shows whether the storm affected area is wide or narrow.	min-max(lat), min-max(lon)	Large range = long trajectory, wide impact

Index

Meaning

Formula / Condition

Classification

ACE
Accumulated Cyclone Energy

Accumulated Cyclone Energy. Measures the total energy generated by the storm during its lifetime. Only counts reports with wind ≥ 35 kt (TS level or higher).

ACE = Σ(V_max²) / 10&sup4;
Unit: 10⁴ kt²

< 2: Low
2-6: Medium
6-15: High
≥ 15: Very High

PDI
Power Dissipation Index

Power Dissipation Index. More sensitive than ACE to extremely strong storms due to using cubic power. Reflects potential destructive power.

PDI = Σ(V_max&sup³;) / 10&sup6;
Unit: 10⁶ kt³

Higher value = greater cumulative destructive power

RI
Rapid Intensification

Rapid Intensification - storm strengthens suddenly in a short time. Very dangerous as it is difficult to forecast and causes surprise for prevention efforts.

Wind increase ≥ 30 kt/24h or Pressure drop ≥ 30 hPa/24h

Has RI or
Fast increase (≥20kt)

Max wind gain/step

Maximum wind increase between 2 consecutive reports (usually 6 hours apart). Shows the fastest local intensification rate.

max(V_i+1 - V_i)
Unit: kt (km/h)

Positive value = storm strengthening

Max wind gain/24h

Maximum wind increase in a 24-hour window. Main criterion for determining Rapid Intensification (RI).

max(V_t+24h - V_t)
RI if ≥ 30 kt/24h

≥ 30kt: RI
≥ 20kt: Fast

Max wind loss/step

Maximum wind weakening between 2 consecutive reports. Shows at which stage the storm weakened fastest.

max(V_i - V_i+1)
Unit: kt (km/h)

Positive value = storm weakening

Max pressure drop/step

Maximum pressure drop between 2 consecutive reports. Pressure decrease = storm center strengthening. Reflects local deepening rate.

max(P_i - P_i+1)
Unit: hPa

Higher value = faster strengthening

Max pressure drop/24h

Maximum pressure drop in a 24-hour window. Important index for evaluating explosive deepening / explosive intensification.

max(P_t - P_t+24h)
Explosive if ≥ 30 hPa

≥ 30hPa: RI
≥ 20hPa: Strong

Max pressure rise/step

Maximum pressure rise between 2 consecutive reports. Pressure increase = storm weakening. Large value indicates rapid weakening (due to terrain interaction, landfall, etc.).

max(P_i+1 - P_i)
Unit: hPa

Higher value = faster weakening

Average moving speed

Average moving speed of the storm center during the entire monitoring period by that agency.

V_avg = S_total / T_total
Unit: kt (km/h)

Slow-moving storms (<15 km/h) usually cause prolonged heavy rain

Monitoring duration

Total time from first report to last report of that agency.

T = t_end - t_start
Unit: hours (days)

Different agencies may monitor for different durations

TS+ Duration

Total hours with average wind ≥ 34 kt (Tropical Storm level or higher). Reflects how long the storm maintained significant intensity.

Average wind ≥ 34 kt

Longer storm = greater total damage

TY+ Duration

Total hours with average wind ≥ 64 kt (Typhoon level or higher). Storms maintaining this level longer have much greater destructive power.

Average wind ≥ 64 kt

Longer time at Typhoon level = more dangerous

Peak Intensity

Time and location (lat, lon) when the storm reached maximum wind according to each agency. Helps identify where the storm was strongest.

V_max = max(V_i)

Peak location helps assess danger for nearby areas

Latitude / Longitude

Spatial range of activity by latitude and longitude. Shows whether the storm affected area is wide or narrow.

min-max(lat), min-max(lon)

Large range = long trajectory, wide impact

FAYE (1952)

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Advanced Meteorological Indices by Agency Automatically calculated from raw data

Advanced Indices Legend

Countries with Direct Landfall

FAYE

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FAYE (1952)

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Weather Agencies (7 sources)

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Quick Stats

Agency Data Comparison

Indices Legend

Advanced Meteorological Indices by Agency Automatically calculated from raw data

Advanced Indices Legend

Countries with Direct Landfall

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