{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:04.823808", "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": "2022-Sep-03_to_2022-Sep-05_254.0_22.5"}, "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": 2022090001453}, "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": "September 03 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2022"}, "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": 51105.74954890295}, "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": ["Mexico"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 22.5}, "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": 254.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "254.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 252.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 254.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-107.5, 25.25], [-107.25, 25.15], [-107.0, 25.25], [-106.47, 25.03], [-106.32, 24.68], [-106.25, 24.65], [-106.0, 24.75], [-105.47, 24.53], [-105.25, 24.0], [-105.35, 23.75], [-105.32, 23.68], [-104.97, 23.53], [-104.75, 23.0], [-104.85, 22.75], [-104.75, 22.5], [-104.85, 22.25], [-104.75, 22.0], [-104.97, 21.47], [-105.5, 21.25], [-105.75, 21.35], [-106.0, 21.25], [-106.53, 21.47], [-106.68, 21.82], [-107.03, 21.97], [-107.18, 22.32], [-107.53, 22.47], [-107.75, 23.0], [-107.65, 23.25], [-107.68, 23.32], [-108.03, 23.47], [-108.25, 24.0], [-108.15, 24.25], [-108.25, 24.5], [-108.03, 25.03], [-107.5, 25.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-108.25, 24.5], [-108.03, 25.03], [-107.5, 25.25], [-107.25, 25.15], [-107.0, 25.25], [-106.47, 25.03], [-106.32, 24.68], [-106.25, 24.65], [-106.0, 24.75], [-105.47, 24.53], [-105.25, 24.0], [-105.35, 23.75], [-105.32, 23.68], [-104.97, 23.53], [-104.75, 23.0], [-104.85, 22.75], [-104.75, 22.5], [-104.85, 22.25], [-104.75, 22.0], [-104.97, 21.47], [-105.5, 21.25], [-105.75, 21.35], [-106.0, 21.25], [-106.53, 21.47], [-106.68, 21.82], [-107.03, 21.97], [-107.18, 22.32], [-107.53, 22.47], [-107.75, 23.0], [-107.65, 23.25], [-107.68, 23.32], [-108.03, 23.47], [-108.25, 24.0], [-108.15, 24.25], [-108.25, 24.5]]]]}, "2022-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-108.25, 24.5], [-108.03, 25.03], [-107.5, 25.25], [-107.25, 25.15], [-107.0, 25.25], [-106.47, 25.03], [-106.32, 24.68], [-106.25, 24.65], [-106.0, 24.75], [-105.47, 24.53], [-105.25, 24.0], [-105.35, 23.75], [-105.32, 23.68], [-104.97, 23.53], [-104.75, 23.0], [-104.85, 22.75], [-104.75, 22.5], [-104.85, 22.25], [-104.75, 22.0], [-104.97, 21.47], [-105.5, 21.25], [-105.75, 21.35], [-106.0, 21.25], [-106.53, 21.47], [-106.68, 21.82], [-107.03, 21.97], [-107.18, 22.32], [-107.53, 22.47], [-107.75, 23.0], [-107.65, 23.25], [-107.68, 23.32], [-108.03, 23.47], [-108.25, 24.0], [-108.15, 24.25], [-108.25, 24.5]]]]}, "2022-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-108.25, 24.5], [-108.03, 25.03], [-107.5, 25.25], [-107.25, 25.15], [-107.0, 25.25], [-106.47, 25.03], [-106.32, 24.68], [-106.25, 24.65], [-106.0, 24.75], [-105.47, 24.53], [-105.25, 24.0], [-105.35, 23.75], [-105.32, 23.68], [-104.97, 23.53], [-104.75, 23.0], [-104.85, 22.75], [-104.75, 22.5], [-104.85, 22.25], [-104.75, 22.0], [-104.97, 21.47], [-105.5, 21.25], [-105.75, 21.35], [-106.0, 21.25], [-106.53, 21.47], [-106.68, 21.82], [-107.03, 21.97], [-107.18, 22.32], [-107.53, 22.47], [-107.75, 23.0], [-107.65, 23.25], [-107.68, 23.32], [-108.03, 23.47], [-108.25, 24.0], [-108.15, 24.25], [-108.25, 24.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.658195628837859}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6300810770901881}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.518312911819123, 29.11913395088527, 28.58938678961431]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.367199954557066, 30.980736086772254, 30.29755045751432]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3888703922255305, 2.023703537686989, 1.4776693013580453]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7969265543731012, 2.658195628837859, 1.9045102953636501]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.603291962824116, 2.3211901417288754, 1.6663723045670582]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1117807512977462, 2.9999882514806027, 2.150837676522328]}}