{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:28.003256", "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-03_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": 2025070003083}, "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 03 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": 57906.36957552559}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["North 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": 274.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "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": [[[[-84.68, 11.18], [-84.53, 11.53], [-84.0, 11.75], [-83.47, 11.53], [-83.25, 11.0], [-83.35, 10.75], [-83.25, 10.5], [-83.35, 10.25], [-83.32, 10.18], [-83.25, 10.15], [-83.0, 10.25], [-82.47, 10.03], [-82.25, 9.5], [-82.47, 8.97], [-83.0, 8.75], [-83.25, 8.85], [-83.5, 8.75], [-83.75, 8.85], [-84.0, 8.75], [-84.53, 8.97], [-84.75, 9.5], [-84.65, 9.75], [-84.68, 9.82], [-84.8, 9.88], [-84.97, 9.47], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.03, 10.53], [-85.5, 10.75], [-85.2, 10.62], [-85.03, 11.03], [-84.68, 11.18]]]]}, "2025-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 11.03], [-85.5, 11.25], [-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], [-84.75, 9.5], [-84.65, 9.75], [-84.68, 9.82], [-84.75, 9.85], [-84.82, 9.82], [-84.97, 9.47], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.15, 10.25], [-86.25, 10.5], [-86.03, 11.03]]]]}, "2025-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 11.03], [-85.5, 11.25], [-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], [-84.75, 9.5], [-84.65, 9.75], [-84.68, 9.82], [-84.75, 9.85], [-84.82, 9.82], [-84.97, 9.47], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.15, 10.25], [-86.25, 10.5], [-86.03, 11.03]]]]}, "2025-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 11.03], [-85.5, 11.25], [-85.25, 11.15], [-85.18, 11.18], [-85.03, 11.53], [-84.5, 11.75], [-83.97, 11.53], [-83.82, 11.18], [-83.75, 11.15], [-83.5, 11.25], [-82.97, 11.03], [-82.75, 10.5], [-82.96, 10.0], [-82.82, 9.68], [-82.47, 9.53], [-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], [-84.75, 9.5], [-84.65, 9.75], [-84.7, 9.88], [-84.82, 9.82], [-84.97, 9.47], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.15, 10.25], [-86.25, 10.5], [-86.03, 11.03]]]]}, "2025-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.5, 11.25], [-84.97, 11.03], [-84.75, 10.5], [-84.97, 9.97], [-85.5, 9.75], [-86.03, 9.97], [-86.25, 10.5], [-86.03, 11.03], [-85.5, 11.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4433488911402605}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.313083181705862}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.194807942708337, 25.19795734338595, 25.231454066226433, 25.045559183756495, 28.484581247965536]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.455662027994833, 29.293523406982445, 29.47962086995443, 28.871064758300804, 28.484581247965536]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0916158774088132, 1.4105262452176397, 1.4493969723192028, 1.1363814936367795, 1.4706683968103107]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2154493253293595, 2.2528405331739236, 2.4433488911402605, 1.8435913546237543, 1.4706683968103107]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4890450563122855, 1.867696932019757, 1.9408259089185942, 1.5020923201594463, 1.2656119307774782]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6965826951014513, 2.4308598802835175, 2.660236925846207, 1.939940106665778, 1.2656119307774782]}}