{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:13:32.279829", "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-May-09_to_2020-May-11_139.0_-14.0"}, "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": 2020050001616}, "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 09 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 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": 68860.49026930766}, "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": []}, "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": -14.0}, "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": 139.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 137.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 140.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[136.97, -13.47], [137.323, -13.323], [137.47, -12.97], [138.0, -12.75], [138.25, -12.854], [138.5, -12.75], [139.0, -12.957], [139.5, -12.75], [140.03, -12.97], [140.177, -13.323], [140.25, -13.354], [140.5, -13.25], [141.03, -13.47], [141.25, -14.0], [141.146, -14.25], [141.25, -14.5], [141.03, -15.03], [140.677, -15.177], [140.646, -15.25], [140.75, -15.5], [140.53, -16.03], [140.0, -16.25], [139.75, -16.146], [139.5, -16.25], [138.97, -16.03], [138.823, -15.677], [138.75, -15.646], [138.5, -15.75], [137.97, -15.53], [137.823, -15.177], [137.75, -15.146], [137.5, -15.25], [136.97, -15.03], [136.75, -14.5], [136.854, -14.25], [136.75, -14.0], [136.97, -13.47]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-09T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[136.85355339059328, -14.25], [136.75, -14.0], [136.96966991411009, -13.469669914110089], [137.32322330470336, -13.323223304703363], [137.46966991411009, -12.969669914110089], [138.0, -12.75], [138.25, -12.853553390593273], [138.5, -12.75], [139.0, -12.957106781186544], [139.5, -12.75], [140.03033008588991, -12.969669914110089], [140.17677669529664, -13.323223304703363], [140.25, -13.353553390593273], [140.5, -13.25], [141.03033008588991, -13.469669914110089], [141.25, -14.0], [141.14644660940672, -14.25], [141.25, -14.5], [141.03033008588991, -15.030330085889911], [140.67677669529664, -15.176776695296637], [140.64644660940672, -15.25], [140.75, -15.5], [140.53033008588991, -16.03033008588991], [140.0, -16.25], [139.75, -16.146446609406727], [139.5, -16.25], [138.96966991411009, -16.03033008588991], [138.82322330470336, -15.676776695296637], [138.75, -15.646446609406727], [138.5, -15.75], [137.96966991411009, -15.530330085889911], [137.82322330470336, -15.176776695296637], [137.75, -15.146446609406727], [137.5, -15.25], [136.96966991411009, -15.030330085889911], [136.75, -14.5], [136.85355339059328, -14.25]]]}, "2020-05-10T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[136.85355339059328, -14.25], [136.75, -14.0], [136.96966991411009, -13.469669914110089], [137.32322330470336, -13.323223304703363], [137.46966991411009, -12.969669914110089], [138.0, -12.75], [138.25, -12.853553390593273], [138.5, -12.75], [139.0, -12.957106781186544], [139.5, -12.75], [140.03033008588991, -12.969669914110089], [140.17677669529664, -13.323223304703363], [140.25, -13.353553390593273], [140.5, -13.25], [141.03033008588991, -13.469669914110089], [141.25, -14.0], [141.14644660940672, -14.25], [141.25, -14.5], [141.03033008588991, -15.030330085889911], [140.67677669529664, -15.176776695296637], [140.64644660940672, -15.25], [140.75, -15.5], [140.53033008588991, -16.03033008588991], [140.0, -16.25], [139.75, -16.146446609406727], [139.5, -16.25], [138.96966991411009, -16.03033008588991], [138.82322330470336, -15.676776695296637], [138.75, -15.646446609406727], [138.5, -15.75], [137.96966991411009, -15.530330085889911], [137.82322330470336, -15.176776695296637], [137.75, -15.146446609406727], [137.5, -15.25], [136.96966991411009, -15.030330085889911], [136.75, -14.5], [136.85355339059328, -14.25]]]}, "2020-05-11T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[136.85355339059328, -14.25], [136.75, -14.0], [136.96966991411009, -13.469669914110089], [137.32322330470336, -13.323223304703363], [137.46966991411009, -12.969669914110089], [138.0, -12.75], [138.25, -12.853553390593273], [138.5, -12.75], [139.0, -12.957106781186544], [139.5, -12.75], [140.03033008588991, -12.969669914110089], [140.17677669529664, -13.323223304703363], [140.25, -13.353553390593273], [140.5, -13.25], [141.03033008588991, -13.469669914110089], [141.25, -14.0], [141.14644660940672, -14.25], [141.25, -14.5], [141.03033008588991, -15.030330085889911], [140.67677669529664, -15.176776695296637], [140.64644660940672, -15.25], [140.75, -15.5], [140.53033008588991, -16.03033008588991], [140.0, -16.25], [139.75, -16.146446609406727], [139.5, -16.25], [138.96966991411009, -16.03033008588991], [138.82322330470336, -15.676776695296637], [138.75, -15.646446609406727], [138.5, -15.75], [137.96966991411009, -15.530330085889911], [137.82322330470336, -15.176776695296637], [137.75, -15.146446609406727], [137.5, -15.25], [136.96966991411009, -15.030330085889911], [136.75, -14.5], [136.85355339059328, -14.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5797970188528438}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1534591017558222}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.038314336356336, 28.17129810285462, 28.08757363351043]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.297087302945386, 28.569095685220077, 28.36917930872238]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.04473274090227, 1.230243087256875, 1.1854014771083217]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2770704158880903, 1.5797970188528438, 1.3907347875136793]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.402806415405524, 1.6247418048431086, 1.5507263453353535]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6824594985406562, 1.9604991902037654, 1.9042834255642853]}}