{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:18:08.062177", "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-Aug-24_to_2020-Aug-26_155.0_-7.5"}, "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": 2020080002790}, "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": "August 24 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 26 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": 55065.4706674004}, "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": ["Papua New Guinea"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["Solomon Sea", "Woodlark Basin"]}, "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": -7.5}, "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": 155.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "155.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 153.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 156.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[152.47, -7.53], [152.25, -7.0], [152.47, -6.47], [153.0, -6.25], [153.25, -6.354], [153.5, -6.25], [154.03, -6.47], [154.177, 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the event at each time step", "value": {"2020-08-24T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[153.25, -7.646446609406727], [153.0, -7.75], [152.46966991411009, -7.5303300858899105], [152.25, -7.0], [152.46966991411009, -6.4696699141100895], [153.0, -6.25], [153.25, -6.353553390593273], [153.5, -6.25], [154.03033008588991, -6.4696699141100895], [154.17677669529664, -6.8232233047033635], [154.25, -6.853553390593273], [154.32322330470336, -6.8232233047033635], [154.46966991411009, -6.4696699141100895], [155.0, -6.25], [155.53033008588991, -6.4696699141100895], [155.75, -7.0], [155.64644660940672, -7.25], [155.67677669529664, -7.3232233047033635], [155.75, -7.353553390593273], [156.0, -7.25], [156.25, -7.353553390593273], [156.5, -7.25], [157.03033008588991, -7.4696699141100895], [157.25, -8.0], [157.03033008588991, -8.530330085889911], [156.67677669529664, -8.676776695296637], [156.53033008588991, -9.030330085889911], [156.17677669529664, -9.176776695296637], 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"description": "Mean t2m anomaly over entire duration", "value": 1.2122277637138468}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.059953299917254, 27.680990227493965, 27.91560816605636]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.220230691309382, 27.966783729354404, 28.60855594046876]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7455619981991377, 1.347496903553248, 1.5436243893891546]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8207997582941289, 1.5736862175592137, 2.1406860965497003]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3139398752110227, 2.4912781072182226, 2.8341585282438544]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.426254728217058, 2.900832423654216, 3.8704309127881156]}}