{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:49.991790", "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-31_to_2025-Aug-04_272.5_13.5"}, "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": 2025070003205}, "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 31 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 60215.98910454352}, "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": ["El Salvador", "Guatemala", "Honduras", "Nicaragua"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "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": 13.5}, "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": 272.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "272.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 270.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 273.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-90.53, 14.53], [-90.0, 14.75], [-89.75, 14.65], [-89.5, 14.75], [-89.25, 14.65], [-89.0, 14.75], [-88.5, 14.54], [-88.18, 14.68], [-88.03, 15.03], [-87.5, 15.25], [-86.97, 15.03], [-86.75, 14.5], [-86.85, 14.25], [-86.82, 14.18], [-86.47, 14.03], [-86.25, 13.5], [-86.35, 13.25], [-86.25, 13.0], [-86.35, 12.75], [-86.25, 12.5], [-86.47, 11.97], [-86.82, 11.82], [-86.97, 11.47], [-87.32, 11.32], [-87.47, 10.97], [-87.82, 10.82], [-87.97, 10.47], [-88.5, 10.25], [-89.03, 10.47], [-89.25, 11.0], [-89.15, 11.25], [-89.25, 11.5], [-89.03, 12.03], [-88.68, 12.18], [-88.53, 12.53], [-88.18, 12.68], [-88.15, 12.75], [-88.18, 12.82], [-88.25, 12.85], [-88.5, 12.75], [-88.75, 12.85], [-89.0, 12.75], [-89.53, 12.97], [-89.68, 13.32], [-89.75, 13.35], [-90.0, 13.25], [-90.53, 13.47], [-90.75, 14.0], [-90.53, 14.53]]]]}}, "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": {"2025-07-31T11:30:00.000000000": 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14.75], [-88.97000000000003, 14.53], [-88.75, 14.0], [-88.97000000000003, 13.47], [-89.5, 13.25], [-89.75, 13.35], [-90.0, 13.25], [-90.52999999999997, 13.47]]]]}, "2025-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.0, 13.25], [-90.52999999999997, 13.47], [-90.75, 14.0], [-90.52999999999997, 14.53], [-90.0, 14.75], [-89.75, 14.65], [-89.5, 14.75], [-89.25, 14.65], [-89.0, 14.75], [-88.5, 14.54], [-88.18, 14.68], [-88.02999999999997, 15.03], [-87.5, 15.25], [-86.97000000000003, 15.03], [-86.75, 14.5], [-86.85000000000002, 14.25], [-86.82, 14.18], [-86.47000000000003, 14.03], [-86.25, 13.5], [-86.35000000000002, 13.25], [-86.25, 13.0], [-86.35000000000002, 12.75], [-86.25, 12.5], [-86.47000000000003, 11.97], [-86.82, 11.82], [-86.97000000000003, 11.47], [-87.32, 11.32], [-87.47000000000003, 10.97], [-87.82, 10.82], [-87.97000000000003, 10.47], [-88.5, 10.25], [-89.02999999999997, 10.47], [-89.25, 11.0], [-89.14999999999998, 11.25], [-89.25, 11.5], 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evolution of mean t2m.", "value": [28.36581775440885, 28.659934997558594, 28.566902160644588, 28.45466292410191, 28.949114735921285]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.177556610107445, 32.21375172932943, 32.504121398925804, 31.95585403442385, 30.2107927958171]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.660913378579116, 1.9543053844609006, 1.8646189662387371, 1.8306366791324793, 1.6539852443378606]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7136000624753933, 3.3574211759354853, 3.286613541713848, 2.487131096262715, 1.8265943133525866]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5576465609397823, 1.856159163017877, 1.7292955201826121, 1.5835273680888036, 1.4436265124271679]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1587336843885416, 2.779729356841678, 2.690834328811696, 1.986638746556959, 1.659439632373888]}}