{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:14.191706", "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": "2023-Feb-07_to_2023-Feb-12_271.5_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": 2023020001621}, "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": "February 07 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 12 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 83385.14520090095}, "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": ["Belize", "El Salvador", "Guatemala", "Honduras"]}, "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": ["Caribbean Sea"]}, "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": 271.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "271.5\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": 274.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-86.97, 14.03], [-86.75, 13.5], [-86.97, 12.97], [-87.5, 12.75], [-88.0, 12.96], [-88.5, 12.75], [-89.03, 12.97], 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"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": {"2023-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.02999999999997, 12.97], [-89.25, 13.5], [-89.02999999999997, 14.03], [-88.5, 14.25], [-88.0, 14.04], [-87.5, 14.25], [-86.97000000000003, 14.03], [-86.75, 13.5], [-86.97000000000003, 12.97], [-87.5, 12.75], [-88.0, 12.96], [-88.5, 12.75], [-89.02999999999997, 12.97]]], [[[-88.52999999999997, 14.47], [-88.75, 15.0], [-88.52999999999997, 15.53], [-88.0, 15.75], [-87.47000000000003, 15.53], [-87.25, 15.0], [-87.47000000000003, 14.47], [-88.0, 14.25], [-88.52999999999997, 14.47]]], [[[-86.52999999999997, 14.97], [-86.75, 15.5], [-86.52999999999997, 16.03], [-86.0, 16.25], [-85.47000000000003, 16.03], [-85.25, 15.5], [-85.47000000000003, 14.97], [-86.0, 14.75], [-86.52999999999997, 14.97]]]]}, 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"coordinates": [[[[-88.5, 12.75], [-89.02999999999997, 12.97], [-89.25, 13.5], [-89.02999999999997, 14.03], [-88.5, 14.25], [-87.97000000000003, 14.03], [-87.75, 13.5], [-87.97000000000003, 12.97], [-88.5, 12.75]]], [[[-90.0, 13.25], [-90.52999999999997, 13.47], [-90.75, 14.0], [-90.52999999999997, 14.53], [-90.0, 14.75], [-89.47000000000003, 14.53], [-89.25, 14.0], [-89.47000000000003, 13.47], [-90.0, 13.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.3121918782142075}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0240005650176958}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.514820736005504, 25.86998778322851, 25.67530204761266, 25.59485580482135, 26.880249171714752, 28.100244095259768]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.06825034357928, 30.217046435697114, 29.857461422738254, 29.985371518912814, 29.099778684555588, 29.918523028712343]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.052218145689551, 2.2763768768532064, 2.002765795197559, 1.8825351551174012, 1.485001560985711, 2.1857852200605805]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5535502613821564, 4.3121918782142075, 3.45065352321393, 3.343528187159734, 1.7685301686650519, 2.2879583861064248]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4930003884961622, 1.6245781300684299, 1.4717205001308369, 1.4208688746121887, 1.278951279646859, 1.8075774336351143]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7109386650174314, 2.3227641533444388, 1.9023008499929865, 1.8669083603623084, 1.4214083478053154, 1.9854345940706255]}}