Orange notification for tropical cyclone MAYSAK-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (16.374 million in Tropical Storm).
From 01/07/2026 to 04/07/2026, a Tropical Storm (maximum wind speed of 93 km/h) MAYSAK-26 was active in NWPacific. The cyclone affects these countries: Viet Nam, China, Laos (vulnerability High). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (16.374 million in tropical storm). · Severity: Tropical Storm (maximum wind speed of 93 km/h) · Pop. affected: Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (104.078 million in Tropical Storm)
Geographic Context
This cyclone event occurred near Naliang (approximately 8 km away) in China, an area that experiences a range of natural hazards. An estimated 654.3K people live within 100 km of the event location, placing this in the "severe" population impact tier.
Event Assessment
This event is a tropical cyclone system being tracked by meteorological agencies. Calamity.live has classified it as "high" severity with a severity value of 60. The computed Calamity Score is 56 out of 100, reflecting a moderate-impact event. The primary scoring components are: population (85), historical (80), intensity (55). Data for this event was sourced from gdacs, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
China has a documented history of cyclone events. Tropical cyclone monitoring for this region relies on data from meteorological agencies including NHC, JTWC, and regional RSMCs. Cyclone intensity forecasting considers sea surface temperature, wind shear, moisture availability, and atmospheric instability patterns.
Cascade Risk Analysis
This event may trigger secondary hazards through cascade effects. Cascade detection is an automated process that evaluates how primary disasters can trigger secondary events — for example, earthquakes triggering landslides, or volcanic eruptions causing lahars and pyroclastic flows. These secondary hazards can sometimes pose a greater threat than the initial event, particularly in mountainous terrain or densely populated areas.
Event Data
| Type | Cyclone |
| Severity | high |
| Severity Value | 60 |
| Calamity Score | 56 / 100 |
| Confidence | 75% |
| Coordinates | 21.6000, 107.9000 |
| Nearest City | Naliang (8 km) |
| Population Exposed | 654.3K within 100 km |
| Impact Tier | severe |
| Timestamp | 2026-07-06T21:31:52.878Z |
| Source | https://www.gdacs.org/report.aspx?eventtype=TC&eventid=1001281 |
Score Breakdown
Technical Details
| EventType | TC |
| AlertLevel | Orange |
| Country | Viet Nam, China, Laos |
| Population | Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (104.078 million in Tropical Storm) |
| FromRSS | true |
Cascade Risks
Safety Information
During a tropical cyclone: shelter in a sturdy interior room away from windows. Stock emergency supplies including water, food, medications, and flashlights. Do not venture outdoors during the eye of the storm. After passage, beware of downed power lines, flooding, and structural damage. Follow official guidance for evacuation and shelter.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a cyclone event with CalamityScore 56/100, near Naliang (China), based on data from gdacs. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.