1970 Atlantic hurricane season
| 1970 Atlantic hurricane season |
Season summary map
|
| Seasonal boundaries |
| First system formed |
May 17, 1970 |
| Last system dissipated |
October 28, 1970 |
| Strongest storm |
|
| Name |
Celia |
| • Maximum winds |
125 mph (205 km/h)
(1-minute sustained) |
| • Lowest pressure |
945 mbar (hPa; 27.91 inHg) |
| Seasonal statistics |
| Total depressions |
19 |
| Total storms |
10 |
| Hurricanes |
5 |
Major hurricanes
(Cat. 3+) |
2 |
| Total fatalities |
115 |
| Total damage |
At least $1.03 billion (1970 USD) |
|
|
Atlantic hurricane seasons
1968, 1969, 1970, 1971, 1972
|
| Category 1 hurricane (SSHWS) |
|
|
| Duration |
May 17 – May 26 |
| Peak intensity |
80 mph (130 km/h) (1-min) 993 mbar (hPa) |
| Tropical storm (SSHWS) |
|
|
| Duration |
July 19 – July 23 |
| Peak intensity |
65 mph (100 km/h) (1-min) 1003 mbar (hPa) |
| Category 3 hurricane (SSHWS) |
|
|
| Duration |
July 31 – August 5 |
| Peak intensity |
125 mph (205 km/h) (1-min) 945 mbar (hPa) |
| Tropical storm (SSHWS) |
|
|
| Duration |
August 7 – August 18 |
| Peak intensity |
70 mph (110 km/h) (1-min) 992 mbar (hPa) |
| Tropical storm (SSHWS) |
|
|
| Duration |
August 17 – August 23 |
| Peak intensity |
70 mph (110 km/h) (1-min) 996 mbar (hPa) |
| Category 3 hurricane (SSHWS) |
|
|
| Duration |
September 8 – September 13 |
| Peak intensity |
125 mph (205 km/h) (1-min) 967 mbar (hPa) |
| Tropical storm (SSHWS) |
|
|
| Duration |
September 12 – September 17 |
| Peak intensity |
70 mph (110 km/h) (1-min) 997 mbar (hPa) |
| Tropical depression (SSHWS) |
|
|
| Duration |
September 23 – October 11 |
| Peak intensity |
35 mph (55 km/h) (1-min) 1000 mbar (hPa) |
| Tropical storm (SSHWS) |
|
|
| Duration |
September 26 – October 5 |
| Peak intensity |
50 mph (85 km/h) (1-min) 1004 mbar (hPa) |
The 1970 Atlantic hurricane season was the first season in which reconnaissance aircraft flew into all four quadrants of a tropical cyclone. The season officially began on June 1 and lasted until November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. The season was fairly average, with 10 total storms forming, of which five were hurricanes. Two of those five became major hurricanes, which are Category 3 or higher on the Saffir–Simpson scale. The first system, Hurricane Alma, developed on May 17. The storm killed eight people, seven from flooding in Cuba and one from a lightning strike in Florida. In July, Tropical Storm Becky brought minor flooding to Florida and other parts of the Southern United States, leaving one death and about $500,000 (1970 USD) in damage.
The most significant storm of the season was Hurricane Celia, a Category 3 hurricane that slammed South Texas in early August. Celia resulted in about $930 million in damage and was the costliest hurricane in Texas until Alicia in 1983. There were 28 fatalities, with four in Cuba, eight in Florida, and sixteen in Texas. Later that month, Tropical Storm Dorothy caused severe flooding in Martinique, which left up to 51 deaths and $34 million in damage. One death occurred in Mexico as a result of Hurricane Ella after a house collapsed. In October, Tropical Depression Fifteen brought a devastating flood to Puerto Rico. At least 22 fatalities and $65.5 million in damage occurred. Collectively, the storms of this season left at least $1.03 billion in damage and 115 deaths.
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