{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:24:42.845497", "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": "2021-May-03_to_2021-May-07_132.5_-8.5"}, "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": 2021050001616}, "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": "May 03 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 07 2021"}, "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": 73086.24664621882}, "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": ["Australia"]}, "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": ["Arafura 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": -8.5}, "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": 132.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 131.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[135.75, -10.354], [136.0, -10.25], [136.53, -10.47], [136.75, -11.0], [136.646, -11.25], [136.75, -11.5], [136.53, -12.03], [136.0, -12.25], [135.75, -12.146], [135.5, -12.25], [135.25, -12.146], [135.0, -12.25], [134.47, -12.03], [134.323, -11.677], [133.97, -11.53], [133.823, -11.177], [133.47, -11.03], [133.323, -10.677], [133.25, -10.646], [133.249, -10.646], [133.0, -10.75], [132.47, -10.53], [132.323, -10.177], [132.25, -10.146], [132.0, -10.25], [131.47, -10.03], [131.323, -9.677], [130.97, -9.53], [130.75, -9.0], [130.97, -8.47], [131.5, -8.25], [131.75, -8.354], [131.823, -8.323], [131.854, -8.25], [131.854, -8.249], [131.75, -8.0], [131.97, -7.47], [132.5, -7.25], [132.75, -7.354], [133.0, -7.25], [133.25, -7.354], [133.5, -7.25], [134.03, -7.47], [134.25, -8.0], [134.146, -8.25], [134.25, -8.5], [134.043, -9.0], [134.177, -9.323], [134.53, -9.47], [134.677, -9.823], [135.03, -9.97], [135.177, -10.323], [135.25, -10.354], [135.251, -10.354], [135.5, -10.25], [135.75, -10.354]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.5, -11.75], [134.96966991411009, -11.530330085889911], [134.75, -11.0], [134.96966991411009, -10.469669914110089], [135.5, -10.25], [135.75, -10.353553390593273], [136.0, -10.25], [136.53033008588991, -10.469669914110089], [136.75, -11.0], [136.53033008588991, -11.530330085889911], [136.0, -11.75], [135.75, -11.646446609406727], [135.5, -11.75]]], [[[131.75, -8.5], [131.96966991411009, -7.9696699141100895], [132.5, -7.75], [133.03033008588991, -7.9696699141100895], [133.25, -8.5], [133.14644660940672, -8.75], [133.17677669529664, -8.823223304703363], [133.53033008588991, -8.969669914110089], [133.75, -9.5], [133.53033008588991, -10.030330085889911], [133.0, -10.25], [132.46966991411009, -10.030330085889911], [132.32322330470336, -9.676776695296637], [131.96966991411009, -9.530330085889911], [131.75, -9.0], [131.85355339059328, -8.75], [131.75, -8.5]]]]}, "2021-05-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[131.32322330470336, -9.676776695296637], [130.96966991411009, -9.530330085889911], [130.75, -9.0], [130.96966991411009, -8.469669914110089], [131.5, -8.25], [131.75, -8.353553390593273], [131.82322330470336, -8.323223304703363], [131.96966991411009, -7.9696699141100895], [132.5, -7.75], [133.03033008588991, -7.9696699141100895], [133.25, -8.5], [133.14644660940672, -8.75], [133.17677669529664, -8.823223304703363], [133.53033008588991, -8.969669914110089], [133.67677669529664, -9.323223304703363], [134.03033008588991, -9.469669914110089], [134.25, -10.0], [134.07322330470336, -10.426776695296633], [134.5, -10.25], [134.75, -10.353553390593273], [135.0, -10.25], [135.25, -10.353553390593273], [135.5, -10.25], [135.75, -10.353553390593273], [136.0, -10.25], [136.53033008588991, -10.469669914110089], [136.75, -11.0], [136.64644660940672, -11.25], [136.75, -11.5], [136.53033008588991, -12.030330085889911], [136.0, -12.25], [135.75, -12.146446609406727], [135.5, -12.25], [135.25, -12.146446609406727], [135.0, -12.25], [134.46966991411009, -12.030330085889911], [134.32322330470336, -11.676776695296637], [133.96966991411009, -11.530330085889911], [133.75, -11.0], [133.92677669529664, -10.573223304703367], [133.5, -10.75], [133.25, -10.646446609406727], [133.0, -10.75], [132.46966991411009, -10.530330085889911], [132.32322330470336, -10.176776695296637], [132.25, -10.146446609406727], [132.0, -10.25], [131.46966991411009, -10.030330085889911], [131.32322330470336, -9.676776695296637]]]}, "2021-05-05T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[131.32322330470336, -9.676776695296637], [130.96966991411009, -9.530330085889911], [130.75, -9.0], [130.96966991411009, -8.469669914110089], [131.5, -8.25], [131.75, -8.353553390593273], [131.82322330470336, -8.323223304703363], [131.85355339059328, -8.25], [131.75, -8.0], [131.96966991411009, -7.4696699141100895], [132.5, -7.25], [132.75, -7.353553390593273], [133.0, -7.25], [133.25, -7.353553390593273], [133.5, -7.25], [134.03033008588991, -7.4696699141100895], [134.25, -8.0], [134.14644660940672, -8.25], [134.25, -8.5], [134.04289321881345, -9.0], [134.17677669529664, -9.323223304703363], [134.53033008588991, -9.469669914110089], [134.67677669529664, -9.823223304703363], [135.03033008588991, -9.969669914110089], [135.17677669529664, -10.323223304703363], [135.25, -10.353553390593273], [135.5, -10.25], [135.75, -10.353553390593273], [136.0, -10.25], [136.53033008588991, -10.469669914110089], [136.75, -11.0], [136.64644660940672, -11.25], [136.75, -11.5], [136.53033008588991, -12.030330085889911], [136.0, -12.25], [135.75, -12.146446609406727], [135.5, -12.25], [135.25, -12.146446609406727], [135.0, -12.25], [134.46966991411009, -12.030330085889911], [134.32322330470336, -11.676776695296637], [133.96966991411009, -11.530330085889911], [133.82322330470336, -11.176776695296637], [133.46966991411009, -11.030330085889911], [133.32322330470336, -10.676776695296637], [133.25, -10.646446609406727], [133.0, -10.75], [132.46966991411009, -10.530330085889911], [132.32322330470336, -10.176776695296637], [132.25, -10.146446609406727], [132.0, -10.25], [131.46966991411009, -10.030330085889911], [131.32322330470336, -9.676776695296637]]]}, "2021-05-06T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[131.32322330470336, -9.676776695296637], [130.96966991411009, -9.530330085889911], [130.75, -9.0], [130.96966991411009, -8.469669914110089], [131.5, -8.25], [131.75, -8.353553390593273], [131.82322330470336, -8.323223304703363], [131.85355339059328, -8.25], [131.75, -8.0], [131.96966991411009, -7.4696699141100895], [132.5, -7.25], [132.75, -7.353553390593273], [133.0, -7.25], [133.25, -7.353553390593273], [133.5, -7.25], [134.03033008588991, -7.4696699141100895], [134.25, -8.0], [134.14644660940672, -8.25], [134.25, -8.5], [134.04289321881345, -9.0], [134.17677669529664, -9.323223304703363], [134.53033008588991, -9.469669914110089], [134.67677669529664, -9.823223304703363], [135.03033008588991, -9.969669914110089], [135.17677669529664, -10.323223304703363], [135.25, -10.353553390593273], [135.5, -10.25], [135.75, -10.353553390593273], [136.0, -10.25], [136.53033008588991, -10.469669914110089], [136.75, -11.0], [136.64644660940672, -11.25], [136.75, -11.5], [136.53033008588991, -12.030330085889911], [136.0, -12.25], [135.75, -12.146446609406727], [135.5, -12.25], [135.25, -12.146446609406727], [135.0, -12.25], [134.46966991411009, -12.030330085889911], [134.32322330470336, -11.676776695296637], [133.96966991411009, -11.530330085889911], [133.82322330470336, -11.176776695296637], [133.46966991411009, -11.030330085889911], [133.32322330470336, -10.676776695296637], [133.25, -10.646446609406727], [133.0, -10.75], [132.46966991411009, -10.530330085889911], [132.32322330470336, -10.176776695296637], [132.25, -10.146446609406727], [132.0, -10.25], [131.46966991411009, -10.030330085889911], [131.32322330470336, -9.676776695296637]]]}, "2021-05-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[132.75, -8.646446609406727], [132.5, -8.75], [131.96966991411009, -8.530330085889911], [131.75, -8.0], [131.96966991411009, -7.4696699141100895], [132.5, -7.25], [132.75, -7.353553390593273], [133.0, -7.25], [133.25, -7.353553390593273], [133.5, -7.25], [134.03033008588991, -7.4696699141100895], [134.25, -8.0], [134.14644660940672, -8.25], [134.25, -8.5], [134.04289321881345, -9.0], [134.17677669529664, -9.323223304703363], [134.53033008588991, -9.469669914110089], [134.67677669529664, -9.823223304703363], [135.03033008588991, -9.969669914110089], [135.17677669529664, -10.323223304703363], [135.53033008588991, -10.469669914110089], [135.67677669529664, -10.823223304703363], [136.03033008588991, -10.969669914110089], [136.25, -11.5], [136.03033008588991, -12.030330085889911], [135.5, -12.25], [134.96966991411009, -12.030330085889911], [134.82322330470336, -11.676776695296637], [134.75, -11.646446609406727], [134.5, -11.75], [133.96966991411009, -11.530330085889911], [133.82322330470336, -11.176776695296637], [133.46966991411009, -11.030330085889911], [133.32322330470336, -10.676776695296637], [132.96966991411009, -10.530330085889911], [132.75, -10.0], [132.85355339059328, -9.75], [132.75, -9.5], [132.95710678118655, -9.0], [132.82322330470336, -8.676776695296637], [132.75, -8.646446609406727]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.197750990701877}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8393178587180333}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.125609288793328, 28.094500308315276, 28.303729115883243, 28.183535479651823, 28.038352212920927]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.272072463278448, 28.235560988157488, 28.58855874432669, 28.403594018714102, 28.15330986288501]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7628763576005099, 0.7182031423639081, 0.9661587746283781, 0.857800624877226, 0.7420074085167604]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8462829211628105, 0.7866031227422354, 1.197750990701877, 1.128714977080051, 0.9228561122349674]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4070683133124258, 1.313345471211264, 1.8018045101226206, 1.59951427383809, 1.3686193185630344]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6462202541193471, 1.3861847980535835, 2.2883014456768094, 2.148929509568119, 1.781489824140467]}}