1954 Pacific hurricane season
| 1954 Pacific hurricane season | |
|---|---|
Season summary map
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| Seasonal boundaries | |
| First system formed | June 18, 1954 |
| Last system dissipated | November 1, 1954 |
| Strongest storm | |
| Name | Seven |
| • Maximum winds | 50 mph (85 km/h) |
| • Lowest pressure | 981 mbar (hPa; 28.97 inHg) |
| Seasonal statistics | |
| Total depressions | 11 |
| Total storms | 11 |
| Hurricanes | 3 |
| Major hurricanes (Cat. 3+) |
0 |
| Total fatalities | 5 direct, 35 indirect |
| Total damage | Unknown |
| Related articles | |
| Tropical storm (SSHWS) | |
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| Duration | June 18 – June 22 |
|---|---|
| Peak intensity | 50 mph (85 km/h) (1-min) ≤1005 mbar (hPa) |
| Tropical storm (SSHWS) | |
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| Duration | July 10 – July 17 |
|---|---|
| Peak intensity | 50 mph (85 km/h) (1-min) ≤1000 mbar (hPa) |
| Category 1 hurricane (SSHWS) | |
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| Duration | July 12 – July 17 |
|---|---|
| Peak intensity | 85 mph (140 km/h) (1-min) |
| Category 1 hurricane (SSHWS) | |
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| Duration | July 25 – August 1 |
|---|---|
| Peak intensity | 85 mph (140 km/h) (1-min) |
| Tropical storm (SSHWS) | |
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| Duration | September 2 – September 9 |
|---|---|
| Peak intensity | 50 mph (85 km/h) (1-min) |
| Tropical storm (SSHWS) | |
 |
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| Duration | September 5 – September 8 |
|---|---|
| Peak intensity | 50 mph (85 km/h) (1-min) |
| Tropical storm (SSHWS) | |
 |
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| Duration | September 15 – September 21 |
|---|---|
| Peak intensity | 50 mph (85 km/h) (1-min) 981 mbar (hPa) |
| Tropical storm (SSHWS) | |
 |
|
| Duration | September 21 – September 27 |
|---|---|
| Peak intensity | 50 mph (85 km/h) (1-min) |
| Category 1 hurricane (SSHWS) | |
 |
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| Duration | September 27 – October 1 |
|---|---|
| Peak intensity | 85 mph (140 km/h) (1-min) |
The 1954 Pacific hurricane season featured below-average activity, with eleven tropical storms identified. The season officially started on May 15 and lasted until November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the Pacific basin. The majority of the year's storm remained offshore and caused little to no adverse impact on land. However, a tropical storm in October brought flooding rain to Mexico and Guatemala that left five people dead and thousands homeless. An unknown disease in the storm's wake killed a further 35 people.
The relative lack of activity is a byproduct of limited monitoring tools at the time. In 1954, Pacific hurricanes were only able to be identified by ship reports (either post-trip logs or in situ transmissions) and coastal observations. No more than eight coastal cities reported regular observations. Additionally, only two cities, Empalme, Sonora, and Mazatlán, Sinaloa, launched radiosondes—a key factor in detecting tropical cyclones at the time—further limiting detection capabilities.
On June 17, an area of low pressure was identified on surface weather maps just off the coast of Guatemala. The following day, the system was classified as a tropical storm approximately 210 mi (340 km) southwest of Guatemala City. Tracking generally northwest, the system acquired maximum sustained winds of 50 mph (85 km/h). On June 20–21, the storm moved parallel to the Mexican coastline before turning north on June 22. It was last noted offshore on this day, approximately 50 mi (85 km) south of Lázaro Cárdenas, Michoacán.
Tropical Storm Two existed from July 10 to July 16.
This hurricane made landfall in the Baja California Peninsula.
Remnant moisture from this system led to rainfall over Arizona and California, with accumulations reaching 2 in (51 mm) in the latter.
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Wikipedia