Green flood alert in United States
On 19/05/2026, a flood started in United States, lasting until 25/08/2026 (last update). The flood caused 26 deaths and 1682 displaced . · Severity: Magnitude 0 · Pop. affected: 0 deaths
Geographic Context
This flood event occurred near Elizabeth in United States, where river systems, coastal storm surge, and flash flooding each present distinct hazard profiles. An estimated 27.3M people live within 50 km of the event location, placing this in the "significant" population impact tier.
Event Assessment
This event is a flooding event detected through hydrological monitoring stations and satellite observations. Calamity.live has classified it as "medium" severity with a severity value of 40. The computed Calamity Score is 46 out of 100, reflecting a moderate-impact event. The primary scoring components are: population (100), historical (80), intensity (20). Data for this event was sourced from gdacs, one of the 196 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
United States has a documented history of flood events. Monitoring for flood events in the region relies on a combination of ground-based sensors, satellite remote sensing, and official reporting from national agencies. The frequency and severity of such events are tracked over time to support risk assessment and emergency preparedness.
Event Data
| Type | Flood |
| Severity | medium |
| Severity Value | 40 |
| Calamity Score | 46 / 100 |
| Confidence | 77% |
| Coordinates | 40.6640, -74.2107 |
| Nearest City | Elizabeth (0 km) |
| Population Exposed | 27.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-29T20:10:05.333Z |
| Source | https://www.gdacs.org/report.aspx?eventtype=FL&eventid=1103888 |
Score Breakdown
Technical Details
| EventType | FL |
| AlertLevel | Green |
| Country | United States |
| Population | 0 deaths |
| FromRSS | true |
| Google News RssFeed | flood |
| Google News SourceName | NBC10 Philadelphia |
| MergedSources | [{"id":"gnews_flood_496658_44","source":"google_news","severity":"medium","severityValue":40,"timestamp":1787972238000,"latitude":39.95,"longitude":-75.16}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a flood event with CalamityScore 46/100, near Elizabeth (United States), based on data from gdacs. Source: Calamity.live, a platform aggregating real-time data from 196 scientific monitoring sources.