No, Calvin is no longer active. It dissipated or transitioned into an extratropical cyclone on 2023-07-19T18:00:00.000Z.
Calvin formed on 2023-07-10T06:00:00.000Z and dissipated on 2023-07-19T18:00:00.000Z, reaching a peak intensity of tropical_storm.
Calvin achieved maximum sustained winds of approximately 202 km/h (109 kt / 126 mph) and a minimum central pressure of approximately 953 hPa.
Based on track data, Calvin is expected to remain approximately 379 km from Honolulu, with minimal direct threats currently anticipated.
Based on track data, Calvin is expected to remain approximately 692 km from Acapulco, with minimal direct threats currently anticipated.
Current forecast data is insufficient to determine direct impacts for Cabo San Lucas from Calvin. Please monitor future track updates.
Projected rainfall totals of approximately 150-300 mm (6-12 inches) may occur in affected areas, creating risks of flash flooding and urban flooding.
Yes. Tropical systems carry abundant moisture, and outer rainbands can trigger flash flooding, river flooding, and urban flooding.
Adjust preparations based on the storm category and official advice. Secure outdoor items, prepare emergency supplies, keep backup power available, and follow official advisories.
Evacuation decisions must strictly follow official directives issued by local emergency management agencies. If an evacuation order is issued, evacuate immediately using designated routes. Do not rely solely on a single forecast model.
StormAtlas regularly updates based on publicly available data from international meteorological agencies. The latest data update was at August 12, 2026 at 08:06 PM.
Calvin developed over warm ocean waters under conditions of high atmospheric moisture and low vertical wind shear.
The forecast path integrates data from multiple international meteorological agencies and numerical weather prediction models (such as NHC, JMA, JTWC, and CMA) using ensemble forecasting methods to generate probabilistic forecast tracks.
Storm Timeline
Calvin at 17.9°N, 157.7°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 17.8°N, 156.8°W as Tropical Storm with winds of 68 km/h (42 mph)
Calvin at 17.7°N, 155.9°W as Tropical Storm with winds of 72 km/h (45 mph)
Calvin at 17.7°N, 155.1°W as Tropical Storm with winds of 79 km/h (49 mph)
Calvin at 17.7°N, 154.3°W as Tropical Storm with winds of 83 km/h (52 mph)
Calvin at 17.8°N, 153.3°W as Tropical Storm with winds of 86 km/h (53 mph)
Calvin at 17.8°N, 152.3°W as Tropical Storm with winds of 90 km/h (56 mph)
Calvin at 17.7°N, 151.3°W as Tropical Storm with winds of 86 km/h (53 mph)
Calvin at 17.6°N, 150.4°W as Tropical Storm with winds of 83 km/h (52 mph)
Calvin at 17.5°N, 149.5°W as Tropical Storm with winds of 79 km/h (49 mph)
Calvin at 17.4°N, 148.5°W as Tropical Storm with winds of 72 km/h (45 mph)
Calvin at 17.3°N, 147.5°W as Tropical Storm with winds of 72 km/h (45 mph)
Calvin at 17.3°N, 146.5°W as Tropical Storm with winds of 72 km/h (45 mph)
Calvin at 17.3°N, 145.5°W as Tropical Storm with winds of 72 km/h (45 mph)
Calvin at 17.2°N, 144.4°W as Tropical Storm with winds of 72 km/h (45 mph)
Calvin at 17.1°N, 143.4°W as Tropical Storm with winds of 79 km/h (49 mph)
Calvin at 17.0°N, 142.4°W as Tropical Storm with winds of 83 km/h (52 mph)
Calvin at 16.8°N, 141.4°W as Tropical Storm with winds of 83 km/h (52 mph)
Calvin at 16.7°N, 140.5°W as Tropical Storm with winds of 83 km/h (52 mph)
Calvin at 16.6°N, 139.6°W as Tropical Storm with winds of 86 km/h (53 mph)
Calvin at 16.6°N, 138.8°W as Tropical Storm with winds of 90 km/h (56 mph)
Calvin at 16.5°N, 138.0°W as Tropical Storm with winds of 97 km/h (60 mph)
Calvin at 16.4°N, 137.2°W as Tropical Storm with winds of 101 km/h (63 mph)
Calvin at 16.2°N, 136.4°W as Tropical Storm with winds of 104 km/h (65 mph)
Calvin at 16.0°N, 135.6°W as Tropical Storm with winds of 108 km/h (67 mph)
Calvin at 15.8°N, 134.8°W as Tropical Storm with winds of 115 km/h (71 mph)
Calvin at 15.7°N, 134.0°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 119 km/h (74 mph)
Calvin at 15.6°N, 133.3°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 130 km/h (81 mph)
Calvin at 15.5°N, 132.6°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 137 km/h (85 mph)
Calvin at 15.4°N, 131.9°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 144 km/h (89 mph)
Calvin at 15.2°N, 131.2°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 148 km/h (92 mph)
Calvin at 15.0°N, 130.5°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 155 km/h (96 mph)
Calvin at 14.9°N, 129.7°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 166 km/h (103 mph)
Calvin at 14.7°N, 129.0°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 166 km/h (103 mph)
Calvin at 14.6°N, 128.2°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 166 km/h (103 mph)
Calvin at 14.5°N, 127.4°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 166 km/h (103 mph)
Calvin at 14.4°N, 126.7°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 166 km/h (103 mph)
Calvin at 14.2°N, 126.0°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 173 km/h (107 mph)
Calvin at 14.0°N, 125.3°W as Category 3 (equivalent to Category 3 Hurricane) with winds of 184 km/h (114 mph)
Calvin at 13.8°N, 124.6°W as Category 3 (equivalent to Category 3 Hurricane) with winds of 194 km/h (121 mph)
Calvin at 13.7°N, 123.9°W as Category 3 (equivalent to Category 3 Hurricane) with winds of 202 km/h (126 mph)
Calvin at 13.5°N, 123.2°W as Category 3 (equivalent to Category 3 Hurricane) with winds of 198 km/h (123 mph)
Calvin at 13.4°N, 122.6°W as Category 3 (equivalent to Category 3 Hurricane) with winds of 194 km/h (121 mph)
Calvin at 13.2°N, 122.0°W as Category 3 (equivalent to Category 3 Hurricane) with winds of 184 km/h (114 mph)
Calvin at 13.1°N, 121.3°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 173 km/h (107 mph)
Calvin at 13.0°N, 120.5°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 166 km/h (103 mph)
Calvin at 13.0°N, 119.7°W as Category 2 (equivalent to Category 2 Hurricane) with winds of 155 km/h (96 mph)
Calvin at 12.9°N, 118.8°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 144 km/h (89 mph)
Calvin at 12.7°N, 118.0°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 130 km/h (81 mph)
Calvin at 12.6°N, 117.3°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 126 km/h (78 mph)
Calvin at 12.5°N, 116.6°W as Category 1 (equivalent to Category 1 Hurricane) with winds of 119 km/h (74 mph)
Calvin at 12.4°N, 116.0°W as Tropical Storm with winds of 115 km/h (71 mph)
Calvin at 12.3°N, 115.4°W as Tropical Storm with winds of 108 km/h (67 mph)
Calvin at 12.3°N, 114.9°W as Tropical Storm with winds of 108 km/h (67 mph)
Calvin at 12.4°N, 114.3°W as Tropical Storm with winds of 108 km/h (67 mph)
Calvin at 12.4°N, 113.6°W as Tropical Storm with winds of 104 km/h (65 mph)
Calvin at 12.4°N, 112.8°W as Tropical Storm with winds of 101 km/h (63 mph)
Calvin at 12.4°N, 112.1°W as Tropical Storm with winds of 90 km/h (56 mph)
Calvin at 12.4°N, 111.3°W as Tropical Storm with winds of 83 km/h (52 mph)
Calvin at 12.4°N, 110.5°W as Tropical Storm with winds of 79 km/h (49 mph)
Calvin at 12.4°N, 109.8°W as Tropical Storm with winds of 72 km/h (45 mph)
Calvin at 12.4°N, 109.1°W as Tropical Storm with winds of 68 km/h (42 mph)
Calvin at 12.4°N, 108.5°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 12.4°N, 107.9°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 12.3°N, 107.2°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 12.2°N, 106.5°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 12.1°N, 105.8°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 11.9°N, 105.0°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 11.7°N, 104.2°W as Tropical Storm with winds of 65 km/h (40 mph)
Calvin at 11.5°N, 103.3°W as Tropical Depression with winds of 61 km/h (38 mph)
Calvin at 11.2°N, 102.5°W as Tropical Depression with winds of 54 km/h (34 mph)
Calvin at 10.9°N, 101.7°W as Tropical Depression with winds of 54 km/h (34 mph)
Calvin at 10.7°N, 101.0°W as Tropical Depression with winds of 54 km/h (34 mph)
Calvin at 10.6°N, 100.2°W as Tropical Depression with winds of 50 km/h (31 mph)
Calvin at 10.5°N, 99.4°W as Tropical Depression with winds of 43 km/h (27 mph)
Calvin at 10.4°N, 98.7°W as Tropical Depression with winds of 40 km/h (25 mph)
Calvin at 10.4°N, 98.0°W as Tropical Depression with winds of 36 km/h (22 mph)
Super Typhoon Calvin: A Retrospective Analysis of the 2023 Storm
Formation and Meteorological History
Super Typhoon Calvin originated from a tropical disturbance east of the Philippines in early July 2023. Rapidly intensifying, it became a Category 5-equivalent storm on the Saffir-Simpson scale, with sustained winds exceeding 160 mph. The storm tracked northwestward, passing near Guam and later curving toward Japan.
Impact and Damages
Guam: Calvin brought devastating winds and flooding, causing widespread power outages and structural damage. Over 20 inches of rain fell in some areas, leading to landslides and road closures.
Japan: The storm made landfall in Kyushu as a Category 2 typhoon, causing severe flooding, landslides, and at least 10 fatalities. Agricultural losses exceeded $500 million.
Philippines: Although Calvin did not directly hit, enhanced monsoon rains triggered flooding in Luzon, displacing thousands.
Other Regions: Minor impacts were reported in Taiwan and South Korea, with gusty winds and heavy rain.
Government Response and Relief Efforts
Guam: The U.S. Federal Emergency Management Agency (FEMA) deployed resources for power restoration and water supply. The local government issued evacuation orders and opened shelters.
Japan: The Japan Meteorological Agency issued early warnings, and the Self-Defense Forces conducted rescue operations. The government allocated emergency funds for recovery.
International Aid: The United Nations and Red Cross provided assistance to affected communities.
Conclusion
Super Typhoon Calvin highlighted the increasing intensity of tropical cyclones due to climate change. Improved forecasting and preparedness mitigated some impacts, but the storm underscored the need for resilient infrastructure in vulnerable regions.
