{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:17.632587", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2025-Mar-29_to_2025-Apr-01_288.0_2.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2025030002632}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "March 29 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 01 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 117291.41939974373}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Colombia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 2.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-73.5, 3.75], [-73.25, 3.65], [-73.0, 3.75], [-72.75, 3.65], [-72.68, 3.68], [-72.54, 4.0], [-72.75, 4.5], [-72.53, 5.03], [-72.18, 5.18], [-72.15, 5.25], [-72.25, 5.5], [-72.03, 6.03], [-71.5, 6.25], [-71.25, 6.15], [-71.0, 6.25], [-70.47, 6.03], [-70.25, 5.5], [-70.46, 5.0], [-70.32, 4.68], [-69.97, 4.53], [-69.75, 4.0], [-69.85, 3.75], [-69.75, 3.5], [-69.85, 3.25], [-69.75, 3.0], [-69.97, 2.47], [-70.32, 2.32], [-70.35, 2.25], [-70.32, 2.18], [-69.97, 2.03], [-69.75, 1.5], [-69.97, 0.97], [-70.5, 0.75], [-70.75, 0.85], [-71.0, 0.75], [-71.25, 0.85], [-71.5, 0.75], [-71.75, 0.85], [-72.0, 0.75], [-72.25, 0.85], [-72.5, 0.75], [-72.75, 0.85], [-73.0, 0.75], [-73.53, 0.97], [-73.68, 1.32], [-74.03, 1.47], [-74.18, 1.82], [-74.53, 1.97], [-74.75, 2.5], [-74.65, 2.75], [-74.75, 3.0], [-74.53, 3.53], [-74.0, 3.75], [-73.75, 3.65], [-73.5, 3.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.52999999999997, 3.53], [-74.0, 3.75], [-73.75, 3.65], [-73.5, 3.75], [-73.25, 3.65], [-73.0, 3.75], [-72.75, 3.65], [-72.68, 3.68], [-72.52999999999997, 4.03], [-72.0, 4.25], [-71.75, 4.15], [-71.68, 4.18], [-71.52999999999997, 4.53], [-71.0, 4.75], [-70.75, 4.65], [-70.5, 4.75], [-69.97000000000003, 4.53], [-69.75, 4.0], [-69.85000000000002, 3.75], [-69.75, 3.5], [-69.85000000000002, 3.25], [-69.75, 3.0], [-69.97000000000003, 2.47], [-70.32, 2.32], [-70.35000000000002, 2.25], [-70.32, 2.18], [-69.97000000000003, 2.03], [-69.75, 1.5], [-69.97000000000003, 0.97], [-70.5, 0.75], [-70.75, 0.85], [-71.0, 0.75], [-71.25, 0.85], [-71.5, 0.75], [-71.75, 0.85], [-72.0, 0.75], [-72.25, 0.85], [-72.5, 0.75], [-72.75, 0.85], [-73.0, 0.75], [-73.52999999999997, 0.97], [-73.68, 1.32], [-74.02999999999997, 1.47], [-74.18, 1.82], [-74.52999999999997, 1.97], [-74.75, 2.5], [-74.64999999999998, 2.75], [-74.75, 3.0], [-74.52999999999997, 3.53]]], [[[-71.5, 4.75], [-72.02999999999997, 4.97], [-72.25, 5.5], [-72.02999999999997, 6.03], [-71.5, 6.25], [-70.97000000000003, 6.03], [-70.75, 5.5], [-70.97000000000003, 4.97], [-71.5, 4.75]]]]}, "2025-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, 3.0], [-74.52999999999997, 3.53], [-74.0, 3.75], [-73.75, 3.65], [-73.5, 3.75], [-73.25, 3.65], [-73.0, 3.75], [-72.75, 3.65], [-72.68, 3.68], [-72.54000000000002, 4.0], [-72.75, 4.5], [-72.52999999999997, 5.03], [-72.18, 5.18], [-72.14999999999998, 5.25], [-72.25, 5.5], [-72.02999999999997, 6.03], [-71.5, 6.25], [-71.25, 6.15], [-71.0, 6.25], [-70.47000000000003, 6.03], [-70.25, 5.5], [-70.45999999999998, 5.0], [-70.32, 4.68], [-69.97000000000003, 4.53], [-69.75, 4.0], [-69.85000000000002, 3.75], [-69.75, 3.5], [-69.85000000000002, 3.25], [-69.75, 3.0], [-69.97000000000003, 2.47], [-70.32, 2.32], [-70.35000000000002, 2.25], [-70.32, 2.18], [-69.97000000000003, 2.03], [-69.75, 1.5], [-69.97000000000003, 0.97], [-70.5, 0.75], [-70.75, 0.85], [-71.0, 0.75], [-71.25, 0.85], [-71.5, 0.75], [-71.75, 0.85], [-72.0, 0.75], [-72.25, 0.85], [-72.5, 0.75], [-72.75, 0.85], [-73.0, 0.75], [-73.52999999999997, 0.97], [-73.68, 1.32], [-74.02999999999997, 1.47], [-74.18, 1.82], [-74.52999999999997, 1.97], [-74.75, 2.5], [-74.64999999999998, 2.75], [-74.75, 3.0]]]]}, "2025-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, 3.0], [-74.52999999999997, 3.53], [-74.0, 3.75], [-73.75, 3.65], [-73.5, 3.75], [-73.25, 3.65], [-73.0, 3.75], [-72.75, 3.65], [-72.68, 3.68], [-72.54000000000002, 4.0], [-72.75, 4.5], [-72.52999999999997, 5.03], [-72.18, 5.18], [-72.14999999999998, 5.25], [-72.25, 5.5], [-72.02999999999997, 6.03], [-71.5, 6.25], [-71.25, 6.15], [-71.0, 6.25], [-70.47000000000003, 6.03], [-70.25, 5.5], [-70.45999999999998, 5.0], [-70.32, 4.68], [-69.97000000000003, 4.53], [-69.75, 4.0], [-69.85000000000002, 3.75], [-69.75, 3.5], [-69.85000000000002, 3.25], [-69.75, 3.0], [-69.97000000000003, 2.47], [-70.32, 2.32], [-70.35000000000002, 2.25], [-70.32, 2.18], [-69.97000000000003, 2.03], [-69.75, 1.5], [-69.97000000000003, 0.97], [-70.5, 0.75], [-70.75, 0.85], [-71.0, 0.75], [-71.25, 0.85], [-71.5, 0.75], [-71.75, 0.85], [-72.0, 0.75], [-72.25, 0.85], [-72.5, 0.75], [-72.75, 0.85], [-73.0, 0.75], [-73.52999999999997, 0.97], [-73.68, 1.32], [-74.02999999999997, 1.47], [-74.18, 1.82], [-74.52999999999997, 1.97], [-74.75, 2.5], [-74.64999999999998, 2.75], [-74.75, 3.0]]]]}, "2025-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.14999999999998, 5.25], [-72.25, 5.5], [-72.02999999999997, 6.03], [-71.5, 6.25], [-71.25, 6.15], [-71.0, 6.25], [-70.47000000000003, 6.03], [-70.25, 5.5], [-70.45999999999998, 5.0], [-70.25, 4.5], [-70.47000000000003, 3.97], [-71.0, 3.75], [-71.5, 3.96], [-72.0, 3.75], [-72.52999999999997, 3.97], [-72.75, 4.5], [-72.52999999999997, 5.03], [-72.18, 5.18], [-72.14999999999998, 5.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.862165666556905}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9573126091260653}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.306832586550286, 27.687393108167214, 27.347999291670988, 29.653910319010436]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.975447591145837, 30.931443786621116, 30.13784561157229, 30.547937011718773]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9059052355180834, 2.1126327363450135, 1.8008583142183319, 2.315502424095109]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8155784513641606, 2.862165666556905, 2.3441625641192445, 2.668073532034043]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8442065876663012, 2.0490557772388187, 1.769688767469192, 1.7620001056196215]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6085556418856326, 2.9328580838547347, 2.382899459346202, 1.9359288822011176]}}