{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:34.231603", "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": "2020-Feb-09_to_2020-Feb-11_261.0_24.0"}, "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": 2020020001551}, "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 09 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2020"}, "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": 50521.86172231713}, "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", "United States"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": []}, "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": 24.0}, "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": 261.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "261.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 260.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 262.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-100.53, 24.47], [-100.75, 25.0], [-100.53, 25.53], [-100.0, 25.75], [-99.75, 25.646], [-99.5, 25.75], [-99.25, 25.646], [-99.177, 25.677], [-99.03, 26.03], [-98.677, 26.177], [-98.646, 26.25], [-98.75, 26.5], [-98.53, 27.03], [-98.0, 27.25], [-97.47, 27.03], [-97.323, 26.677], [-96.97, 26.53], [-96.75, 26.0], [-96.97, 25.47], [-97.323, 25.323], [-97.354, 25.25], [-97.25, 25.0], [-97.354, 24.75], [-97.25, 24.5], [-97.354, 24.25], [-97.25, 24.0], [-97.354, 23.75], [-97.25, 23.5], [-97.354, 23.25], [-97.25, 23.0], [-97.47, 22.47], [-98.0, 22.25], [-98.53, 22.47], [-98.677, 22.823], [-99.03, 22.97], [-99.177, 23.323], [-99.53, 23.47], [-99.75, 24.0], [-99.625, 24.302], [-99.75, 24.354], [-100.0, 24.25], [-100.53, 24.47]]]}}, "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": {"2020-02-09T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-99.75, 24.353553390593277], [-100.0, 24.25], 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22.82322330470336], [-99.03033008588989, 22.96966991411009], [-99.17677669529661, 23.32322330470336], [-99.53033008588989, 23.46966991411009], [-99.75, 24.0], [-99.625, 24.301776695296635], [-99.75, 24.353553390593277]]]}, "2020-02-10T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-99.75, 24.353553390593277], [-100.0, 24.25], [-100.53033008588989, 24.46966991411009], [-100.75, 25.0], [-100.53033008588989, 25.53033008588991], [-100.0, 25.75], [-99.75, 25.646446609406723], [-99.5, 25.75], [-99.25, 25.646446609406723], [-99.17677669529661, 25.67677669529664], [-99.03033008588989, 26.03033008588991], [-98.67677669529661, 26.17677669529664], [-98.64644660940672, 26.25], [-98.75, 26.5], [-98.53033008588989, 27.03033008588991], [-98.0, 27.25], [-97.46966991411011, 27.03033008588991], [-97.32322330470339, 26.67677669529664], [-96.96966991411011, 26.53033008588991], [-96.75, 26.0], [-96.96966991411011, 25.46966991411009], [-97.32322330470339, 25.32322330470336], [-97.35355339059328, 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8.924126216317234}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.256901343244634}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.706729526437414, 24.765778715945657, 23.657227612640497]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.12582596145586, 26.241149658250436, 25.559438236135236]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.948943089890191, 7.025089879113807, 5.796671060729902]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.208401984769694, 8.924126216317234, 6.407665356904886]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4405264738193457, 1.7071076202822704, 1.4475313908103895]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5115287889995361, 1.8144692725314413, 1.607547310340725]}}