{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:49.393962", "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-30_to_2025-Aug-02_276.0_10.0"}, "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": 2025070003132}, "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 30 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 02 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": 63994.604354279654}, "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", "Panama"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Caribbean Sea", "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": 10.0}, "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": 276.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "276.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 274.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-85.25, 11.15], [-85.18, 11.18], [-85.03, 11.53], [-84.5, 11.75], [-84.25, 11.65], [-84.0, 11.75], [-83.47, 11.53], [-83.32, 11.18], [-82.97, 11.03], [-82.75, 10.5], [-82.87, 10.2], [-82.47, 10.03], [-82.25, 9.5], [-82.35, 9.25], [-82.32, 9.18], [-81.97, 9.03], [-81.82, 8.68], [-81.75, 8.65], [-81.5, 8.75], [-80.97, 8.53], [-80.75, 8.0], [-80.85, 7.75], [-80.75, 7.5], [-80.97, 6.97], [-81.5, 6.75], [-82.03, 6.97], [-82.18, 7.32], [-82.53, 7.47], [-82.68, 7.82], [-83.0, 7.96], [-83.5, 7.75], [-84.03, 7.97], [-84.25, 8.5], [-84.15, 8.75], [-84.18, 8.82], [-84.53, 8.97], [-84.68, 9.32], [-84.75, 9.35], [-85.0, 9.25], [-85.25, 9.35], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.15, 10.25], [-86.25, 10.5], [-86.03, 11.03], [-85.5, 11.25], [-85.25, 11.15]]]]}}, "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": {"2025-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.02999999999997, 11.03], [-84.68, 11.18], [-84.52999999999997, 11.53], [-84.0, 11.75], [-83.47000000000003, 11.53], [-83.25, 11.0], [-83.35000000000002, 10.75], [-83.25, 10.5], [-83.35000000000002, 10.25], [-83.32, 10.18], [-83.25, 10.15], [-83.0, 10.25], [-82.47000000000003, 10.03], [-82.25, 9.5], [-82.35000000000002, 9.25], [-82.25, 9.0], [-82.47000000000003, 8.47], [-83.0, 8.25], [-83.52999999999997, 8.47], [-83.68, 8.82], [-83.75, 8.85], [-84.0, 8.75], [-84.52999999999997, 8.97], [-84.68, 9.32], [-85.0, 9.46], [-85.5, 9.25], [-86.02999999999997, 9.47], [-86.25, 10.0], [-86.02999999999997, 10.53], [-85.5, 10.75], [-85.19999999999999, 10.62], [-85.02999999999997, 11.03]]]]}, "2025-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, 10.5], [-86.02999999999997, 11.03], [-85.5, 11.25], [-85.25, 11.15], [-85.18, 11.18], [-85.02999999999997, 11.53], [-84.5, 11.75], [-84.25, 11.65], [-84.0, 11.75], [-83.47000000000003, 11.53], [-83.32, 11.18], [-82.97000000000003, 11.03], [-82.75, 10.5], [-82.87, 10.2], [-82.47000000000003, 10.03], [-82.25, 9.5], [-82.35000000000002, 9.25], [-82.32, 9.18], [-81.97000000000003, 9.03], [-81.82, 8.68], [-81.75, 8.65], [-81.5, 8.75], [-80.97000000000003, 8.53], [-80.75, 8.0], [-80.85000000000002, 7.75], [-80.75, 7.5], [-80.97000000000003, 6.97], [-81.5, 6.75], [-82.02999999999997, 6.97], [-82.18, 7.32], [-82.52999999999997, 7.47], [-82.68, 7.82], [-83.0, 7.96], [-83.5, 7.75], [-84.02999999999997, 7.97], [-84.25, 8.5], [-84.14999999999998, 8.75], [-84.18, 8.82], [-84.52999999999997, 8.97], [-84.68, 9.32], [-84.75, 9.35], [-85.0, 9.25], [-85.25, 9.35], [-85.5, 9.25], [-86.02999999999997, 9.47], [-86.25, 10.0], [-86.14999999999998, 10.25], [-86.25, 10.5]]]]}, "2025-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, 10.5], [-86.02999999999997, 11.03], [-85.5, 11.25], [-85.25, 11.15], [-85.18, 11.18], [-85.02999999999997, 11.53], [-84.5, 11.75], [-84.25, 11.65], [-84.0, 11.75], [-83.47000000000003, 11.53], [-83.32, 11.18], [-82.97000000000003, 11.03], [-82.75, 10.5], [-82.87, 10.2], [-82.47000000000003, 10.03], [-82.25, 9.5], [-82.35000000000002, 9.25], [-82.32, 9.18], [-81.97000000000003, 9.03], [-81.82, 8.68], [-81.75, 8.65], [-81.5, 8.75], [-80.97000000000003, 8.53], [-80.75, 8.0], [-80.85000000000002, 7.75], [-80.75, 7.5], [-80.97000000000003, 6.97], [-81.5, 6.75], [-82.02999999999997, 6.97], [-82.18, 7.32], [-82.52999999999997, 7.47], [-82.68, 7.82], [-83.0, 7.96], [-83.5, 7.75], [-84.02999999999997, 7.97], [-84.25, 8.5], [-84.14999999999998, 8.75], [-84.18, 8.82], [-84.52999999999997, 8.97], [-84.68, 9.32], [-84.75, 9.35], [-85.0, 9.25], [-85.25, 9.35], [-85.5, 9.25], [-86.02999999999997, 9.47], [-86.25, 10.0], [-86.14999999999998, 10.25], [-86.25, 10.5]]]]}, "2025-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, 10.5], [-86.02999999999997, 11.03], [-85.5, 11.25], [-85.25, 11.15], [-85.18, 11.18], [-85.02999999999997, 11.53], [-84.5, 11.75], [-83.97000000000003, 11.53], [-83.82, 11.18], [-83.75, 11.15], [-83.5, 11.25], [-82.97000000000003, 11.03], [-82.75, 10.5], [-82.95999999999998, 10.0], [-82.75, 9.5], [-82.85000000000002, 9.25], [-82.80000000000001, 9.12], [-82.5, 9.25], [-81.97000000000003, 9.03], [-81.82, 8.68], [-81.75, 8.65], [-81.5, 8.75], [-80.97000000000003, 8.53], [-80.75, 8.0], [-80.85000000000002, 7.75], [-80.75, 7.5], [-80.97000000000003, 6.97], [-81.5, 6.75], [-82.02999999999997, 6.97], [-82.18, 7.32], [-82.52999999999997, 7.47], [-82.68, 7.82], [-83.0, 7.96], [-83.5, 7.75], [-84.02999999999997, 7.97], [-84.25, 8.5], [-84.14999999999998, 8.75], [-84.18, 8.82], [-84.52999999999997, 8.97], [-84.68, 9.32], [-84.75, 9.35], [-85.0, 9.25], [-85.25, 9.35], [-85.5, 9.25], [-86.02999999999997, 9.47], [-86.25, 10.0], [-86.14999999999998, 10.25], [-86.25, 10.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4917732823959113}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3206681749501277}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.021278889973928, 25.257181331089612, 25.281057036869186, 25.42715008305572]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.455662027994833, 29.293523406982445, 29.47962086995443, 28.871064758300804]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.163169611820905, 1.4309932097850502, 1.4357439447633955, 1.1348781004607298]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2981668556388968, 2.3213927876119556, 2.4917732823959113, 1.862459553320889]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.542436233717643, 1.869775922868649, 1.8824807227515843, 1.4658590144404278]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.761795727383413, 2.4323749310102656, 2.686748797261223, 1.8643191679399116]}}