{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:33.540510", "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-Jul-08_to_2025-Jul-10_274.5_11.0"}, "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": 2025070001790}, "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": "July 08 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 10 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 51555.16459823495}, "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", "Nicaragua"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": 11.0}, "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": 274.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "274.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 272.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 276.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-87.5, 11.75], [-87.25, 11.65], [-87.0, 11.75], [-86.7, 11.62], [-86.53, 12.03], [-86.0, 12.25], [-85.75, 12.15], [-85.68, 12.18], [-85.53, 12.53], [-85.0, 12.75], [-84.75, 12.65], [-84.5, 12.75], [-83.97, 12.53], [-83.82, 12.18], [-83.47, 12.03], [-83.25, 11.5], [-83.47, 10.97], [-83.82, 10.82], [-83.97, 10.47], [-84.5, 10.25], [-84.75, 10.35], [-85.0, 10.25], [-85.25, 10.35], [-85.32, 10.32], [-85.47, 9.97], [-86.0, 9.75], [-86.25, 9.85], [-86.5, 9.75], [-86.75, 9.85], [-87.0, 9.75], [-87.25, 9.85], [-87.5, 9.75], [-88.03, 9.97], [-88.25, 10.5], [-88.15, 10.75], [-88.25, 11.0], [-88.03, 11.53], [-87.5, 11.75]]]]}}, "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": {"2025-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.25, 11.0], [-88.02999999999997, 11.53], [-87.5, 11.75], [-87.25, 11.65], [-87.0, 11.75], [-86.69999999999999, 11.62], [-86.52999999999997, 12.03], [-86.0, 12.25], [-85.75, 12.15], [-85.68, 12.18], [-85.52999999999997, 12.53], [-85.0, 12.75], [-84.75, 12.65], [-84.5, 12.75], [-83.97000000000003, 12.53], [-83.82, 12.18], [-83.47000000000003, 12.03], [-83.25, 11.5], [-83.47000000000003, 10.97], [-83.82, 10.82], [-83.97000000000003, 10.47], [-84.5, 10.25], [-84.75, 10.35], [-85.0, 10.25], [-85.25, 10.35], [-85.32, 10.32], [-85.47000000000003, 9.97], [-86.0, 9.75], [-86.25, 9.85], [-86.5, 9.75], [-86.75, 9.85], [-87.0, 9.75], [-87.25, 9.85], [-87.5, 9.75], [-88.02999999999997, 9.97], [-88.25, 10.5], [-88.14999999999998, 10.75], [-88.25, 11.0]]]]}, "2025-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.25, 11.0], [-88.02999999999997, 11.53], [-87.5, 11.75], [-87.25, 11.65], [-87.0, 11.75], [-86.69999999999999, 11.62], [-86.52999999999997, 12.03], [-86.0, 12.25], [-85.75, 12.15], [-85.68, 12.18], [-85.52999999999997, 12.53], [-85.0, 12.75], [-84.75, 12.65], [-84.5, 12.75], [-83.97000000000003, 12.53], [-83.82, 12.18], [-83.47000000000003, 12.03], [-83.25, 11.5], [-83.47000000000003, 10.97], [-83.82, 10.82], [-83.97000000000003, 10.47], [-84.5, 10.25], [-84.75, 10.35], [-85.0, 10.25], [-85.25, 10.35], [-85.32, 10.32], [-85.47000000000003, 9.97], [-86.0, 9.75], [-86.25, 9.85], [-86.5, 9.75], [-86.75, 9.85], [-87.0, 9.75], [-87.25, 9.85], [-87.5, 9.75], [-88.02999999999997, 9.97], [-88.25, 10.5], [-88.14999999999998, 10.75], [-88.25, 11.0]]]]}, "2025-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.25, 11.0], [-88.02999999999997, 11.53], [-87.5, 11.75], [-87.25, 11.65], [-87.0, 11.75], [-86.69999999999999, 11.62], [-86.52999999999997, 12.03], [-86.0, 12.25], [-85.75, 12.15], [-85.68, 12.18], [-85.52999999999997, 12.53], [-85.0, 12.75], [-84.75, 12.65], [-84.5, 12.75], [-83.97000000000003, 12.53], [-83.82, 12.18], [-83.47000000000003, 12.03], [-83.25, 11.5], [-83.47000000000003, 10.97], [-83.82, 10.82], [-83.97000000000003, 10.47], [-84.5, 10.25], [-84.75, 10.35], [-85.0, 10.25], [-85.25, 10.35], [-85.32, 10.32], [-85.47000000000003, 9.97], [-86.0, 9.75], [-86.25, 9.85], [-86.5, 9.75], [-86.75, 9.85], [-87.0, 9.75], [-87.25, 9.85], [-87.5, 9.75], [-88.02999999999997, 9.97], [-88.25, 10.5], [-88.14999999999998, 10.75], [-88.25, 11.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3851017642911643}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1418496216586582}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.232603888418225, 27.393541702569735, 27.133933976117362]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.241900380452478, 28.2818593343099, 28.454648590087913]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1012341776430938, 1.2879462753083264, 1.0363684120245547]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6708961877285446, 2.3851017642911643, 1.401084828454259]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5823653839612406, 1.886377665191494, 1.5658011605445126]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2520840569764, 2.9000450838255314, 1.9161949613281397]}}