{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:01.234419", "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-Nov-17_to_2025-Nov-24_275.5_9.0"}, "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": 2025110001933}, "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": "November 17 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 24 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 58186.52979279236}, "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": ["Costa Rica"]}, "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": ["Pacific Ocean"]}, "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": 9.0}, "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": 275.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "275.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 275.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 279.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-80.47, 7.53], [-80.25, 7.0], [-80.47, 6.47], [-81.0, 6.25], [-81.25, 6.35], [-81.5, 6.25], [-81.75, 6.35], [-82.0, 6.25], [-82.5, 6.46], [-83.0, 6.25], [-83.25, 6.35], [-83.5, 6.25], [-83.75, 6.35], [-84.0, 6.25], [-84.53, 6.47], [-84.68, 6.82], [-85.03, 6.97], [-85.25, 7.5], [-85.03, 8.03], [-84.68, 8.18], [-84.65, 8.25], [-84.68, 8.32], [-85.03, 8.47], [-85.25, 9.0], [-85.03, 9.53], [-84.68, 9.68], [-84.53, 10.03], [-84.0, 10.25], [-83.75, 10.15], [-83.5, 10.25], [-82.97, 10.03], [-82.75, 9.5], [-82.97, 8.97], [-83.37, 8.8], [-83.32, 8.68], [-83.25, 8.65], [-83.0, 8.75], [-82.47, 8.53], [-82.32, 8.18], [-82.25, 8.15], [-82.0, 8.25], [-81.47, 8.03], [-81.32, 7.68], [-81.25, 7.65], [-81.0, 7.75], [-80.47, 7.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-82.0, 6.25], [-82.52999999999997, 6.47], [-82.75, 7.0], [-82.52999999999997, 7.53], [-82.0, 7.75], [-81.75, 7.65], [-81.5, 7.75], [-81.25, 7.65], [-81.0, 7.75], [-80.47000000000003, 7.53], [-80.25, 7.0], [-80.47000000000003, 6.47], [-81.0, 6.25], [-81.25, 6.35], [-81.5, 6.25], [-81.75, 6.35], [-82.0, 6.25]]]]}, "2025-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.02999999999997, 6.97], [-85.25, 7.5], [-85.02999999999997, 8.03], [-84.68, 8.18], [-84.64999999999998, 8.25], [-84.68, 8.32], [-85.02999999999997, 8.47], [-85.25, 9.0], [-85.02999999999997, 9.53], [-84.5, 9.75], [-83.97000000000003, 9.53], [-83.82, 9.18], [-83.47000000000003, 9.03], [-83.32, 8.68], [-83.25, 8.65], [-83.0, 8.75], [-82.47000000000003, 8.53], [-82.32, 8.18], [-82.25, 8.15], [-82.0, 8.25], [-81.47000000000003, 8.03], [-81.32, 7.68], [-81.25, 7.65], [-81.0, 7.75], [-80.47000000000003, 7.53], [-80.25, 7.0], [-80.47000000000003, 6.47], [-81.0, 6.25], [-81.25, 6.35], [-81.5, 6.25], [-81.75, 6.35], [-82.0, 6.25], [-82.5, 6.46], [-83.0, 6.25], [-83.25, 6.35], [-83.5, 6.25], [-83.75, 6.35], [-84.0, 6.25], [-84.52999999999997, 6.47], [-84.68, 6.82], [-85.02999999999997, 6.97]]]]}, "2025-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.02999999999997, 6.97], [-85.25, 7.5], [-85.02999999999997, 8.03], [-84.68, 8.18], [-84.64999999999998, 8.25], [-84.68, 8.32], [-85.02999999999997, 8.47], [-85.25, 9.0], [-85.02999999999997, 9.53], [-84.5, 9.75], [-83.97000000000003, 9.53], [-83.82, 9.18], [-83.47000000000003, 9.03], [-83.32, 8.68], [-83.25, 8.65], [-83.0, 8.75], [-82.47000000000003, 8.53], [-82.32, 8.18], [-82.25, 8.15], [-82.0, 8.25], [-81.47000000000003, 8.03], [-81.32, 7.68], [-81.25, 7.65], [-81.0, 7.75], [-80.47000000000003, 7.53], [-80.25, 7.0], [-80.47000000000003, 6.47], [-81.0, 6.25], [-81.25, 6.35], [-81.5, 6.25], [-81.75, 6.35], [-82.0, 6.25], [-82.5, 6.46], [-83.0, 6.25], [-83.25, 6.35], [-83.5, 6.25], [-83.75, 6.35], [-84.0, 6.25], [-84.52999999999997, 6.47], [-84.68, 6.82], [-85.02999999999997, 6.97]]]]}, "2025-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.02999999999997, 6.97], [-85.25, 7.5], [-85.02999999999997, 8.03], [-84.68, 8.18], [-84.64999999999998, 8.25], [-84.68, 8.32], [-85.02999999999997, 8.47], [-85.25, 9.0], [-85.02999999999997, 9.53], [-84.5, 9.75], [-83.97000000000003, 9.53], [-83.82, 9.18], [-83.47000000000003, 9.03], [-83.32, 8.68], [-83.25, 8.65], [-83.0, 8.75], [-82.47000000000003, 8.53], [-82.32, 8.18], [-82.25, 8.15], [-82.0, 8.25], [-81.47000000000003, 8.03], [-81.25, 7.5], [-81.47000000000003, 6.97], [-82.0, 6.75], [-82.25, 6.85], [-82.32, 6.82], [-82.47000000000003, 6.47], [-83.0, 6.25], [-83.25, 6.35], [-83.5, 6.25], [-83.75, 6.35], [-84.0, 6.25], [-84.52999999999997, 6.47], [-84.68, 6.82], [-85.02999999999997, 6.97]]]]}, "2025-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.02999999999997, 9.53], [-84.5, 9.75], [-83.97000000000003, 9.53], [-83.75, 9.0], [-83.97000000000003, 8.47], [-84.5, 8.25], [-85.02999999999997, 8.47], [-85.25, 9.0], [-85.02999999999997, 9.53]]]]}, "2025-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.0, 8.75], [-84.52999999999997, 8.97], [-84.75, 9.5], [-84.52999999999997, 10.03], [-84.0, 10.25], [-83.75, 10.15], [-83.5, 10.25], [-82.97000000000003, 10.03], [-82.75, 9.5], [-82.97000000000003, 8.97], [-83.5, 8.75], [-83.75, 8.85], [-84.0, 8.75]]]]}, "2025-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.0, 8.75], [-84.52999999999997, 8.97], [-84.75, 9.5], [-84.52999999999997, 10.03], [-84.0, 10.25], [-83.75, 10.15], [-83.5, 10.25], [-82.97000000000003, 10.03], [-82.75, 9.5], [-82.97000000000003, 8.97], [-83.5, 8.75], [-83.75, 8.85], [-84.0, 8.75]]]]}, "2025-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.0, 8.75], [-84.52999999999997, 8.97], [-84.75, 9.5], [-84.52999999999997, 10.03], [-84.0, 10.25], [-83.75, 10.15], [-83.5, 10.25], [-82.97000000000003, 10.03], [-82.75, 9.5], [-82.97000000000003, 8.97], [-83.5, 8.75], [-83.75, 8.85], [-84.0, 8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3466983961457117}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8436296855783957}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.37176115247945, 26.619742105521425, 26.624355121687415, 26.740486580984964, 27.07698211669924, 19.649517313639308, 19.646479543050134, 19.851281738281273]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.420128122965536, 26.81380996704104, 26.86787821451827, 27.026729838053427, 27.07698211669924, 22.28875885009768, 22.370356496175134, 22.287764485677087]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.603007001323931, 0.8268522962121565, 0.8098369243290034, 0.8966521364928651, 1.0198772608086415, 0.9026347886623114, 0.8919607650827572, 1.0677928655882738]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.6248282163816725, 1.0006674479249114, 0.9438187186667051, 1.0451616169635258, 1.0198772608086415, 0.9772690191565516, 0.9003104830219968, 1.3466983961457117]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1925983008224168, 1.6565459312536157, 1.5898437987551597, 1.7108726601555395, 1.796033535893711, 1.46512505772998, 1.41088764870105, 1.6191967737601516]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2470200525305553, 1.9874787617758107, 1.9089995125458572, 2.077237128982651, 1.796033535893711, 1.5409735432893268, 1.4669783397826344, 1.9842331473783492]}}