{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:12:48.228659", "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-Apr-01_to_2020-Apr-08_150.5_-22.0"}, "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": 2020040000875}, "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": "April 01 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 08 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 112089.44808470302}, "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": ["Coral 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": -22.0}, "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": 150.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 147.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 152.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[146.97, -19.97], [147.5, -19.75], [147.75, -19.854], [147.823, -19.823], [147.854, -19.75], [147.75, -19.5], [147.97, -18.97], [148.5, -18.75], [149.0, -18.957], [149.5, -18.75], [149.75, -18.854], [150.0, -18.75], [150.53, -18.97], [150.75, -19.5], [150.646, -19.75], [150.677, -19.823], [151.03, -19.97], [151.177, -20.323], [151.53, -20.47], [151.75, -21.0], [151.646, -21.25], [151.646, -21.251], [151.75, -21.5], [151.646, -21.749], [151.646, -21.75], [151.677, -21.823], [152.03, -21.97], [152.25, -22.5], [152.146, -22.75], [152.177, -22.823], [152.53, -22.97], [152.677, -23.323], [153.03, -23.47], [153.25, -24.0], [153.03, -24.53], [152.677, -24.677], [152.53, -25.03], [152.0, -25.25], [151.75, -25.146], [151.5, -25.25], [150.97, -25.03], [150.75, -24.5], [150.854, -24.25], [150.823, -24.177], [150.47, -24.03], [150.25, -23.5], [150.375, -23.198], [149.97, -23.03], [149.823, -22.677], [149.47, -22.53], [149.25, -22.0], [149.354, -21.75], [149.344, -21.726], [149.323, -21.677], [148.97, -21.53], [148.823, -21.177], [148.698, -21.125], [148.53, -21.53], [148.177, -21.677], [148.03, -22.03], [147.5, -22.25], [147.25, -22.146], [147.0, -22.25], [146.47, -22.03], [146.25, -21.5], [146.354, -21.25], [146.25, -21.0], [146.47, -20.47], [146.823, -20.323], [146.97, -19.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "E.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-04-01T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[149.35355339059328, -21.25], [149.25, -21.0], [149.46966991411009, -20.46966991411009], [150.0, -20.25], [150.53033008588991, -20.46966991411009], [150.67677669529664, -20.82322330470336], [150.75, -20.853553390593273], [151.0, -20.75], [151.53033008588991, -20.96966991411009], [151.75, -21.5], [151.64644660940672, -21.75], [151.75, -22.0], [151.53033008588991, -22.53033008588991], [151.0, -22.75], [150.75, -22.646446609406727], [150.5, -22.75], [149.96966991411009, -22.53033008588991], [149.82322330470336, -22.17677669529664], [149.46966991411009, -22.03033008588991], [149.25, -21.5], [149.35355339059328, -21.25]]]}, "2020-04-02T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[148.85355339059328, -20.75], [148.75, -20.5], [148.96966991411009, -19.96966991411009], [149.5, -19.75], [150.03033008588991, -19.96966991411009], [150.17677669529664, -20.32322330470336], [150.25, -20.353553390593273], [150.5, -20.25], [151.03033008588991, -20.46966991411009], [151.17677669529664, -20.82322330470336], [151.53033008588991, -20.96966991411009], [151.75, -21.5], [151.64644660940672, -21.75], [151.75, -22.0], [151.53033008588991, -22.53033008588991], [151.0, -22.75], [150.75, -22.646446609406727], [150.5, -22.75], [150.25, -22.646446609406727], [150.0, -22.75], [149.46966991411009, -22.53033008588991], [149.25, -22.0], [149.35355339059328, -21.75], [149.32322330470336, -21.67677669529664], [148.96966991411009, -21.53033008588991], [148.75, -21.0], [148.85355339059328, -20.75]]]}, "2020-04-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[148.82322330470336, -20.67677669529664], [148.46966991411009, -20.53033008588991], [148.25, -20.0], [148.46966991411009, -19.46966991411009], [148.82322330470336, -19.32322330470336], [148.96966991411009, -18.96966991411009], [149.5, -18.75], [149.75, -18.853553390593273], [150.0, -18.75], [150.53033008588991, -18.96966991411009], [150.75, -19.5], [150.64644660940672, -19.75], [150.67677669529664, -19.82322330470336], [151.03033008588991, -19.96966991411009], [151.17677669529664, -20.32322330470336], [151.53033008588991, -20.46966991411009], [151.75, -21.0], [151.64644660940672, -21.25], [151.75, -21.5], [151.64644660940672, -21.75], [151.67677669529664, -21.82322330470336], [152.03033008588991, -21.96966991411009], [152.25, -22.5], [152.14644660940672, -22.75], [152.17677669529664, -22.82322330470336], [152.53033008588991, -22.96966991411009], [152.67677669529664, -23.32322330470336], [153.03033008588991, -23.46966991411009], [153.25, -24.0], [153.03033008588991, -24.53033008588991], [152.67677669529664, -24.67677669529664], [152.53033008588991, -25.03033008588991], [152.0, -25.25], [151.75, -25.146446609406727], [151.5, -25.25], [150.96966991411009, -25.03033008588991], [150.75, -24.5], [150.85355339059328, -24.25], [150.82322330470336, -24.17677669529664], [150.46966991411009, -24.03033008588991], [150.25, -23.5], [150.375, -23.19822330470336], [149.96966991411009, -23.03033008588991], [149.82322330470336, -22.67677669529664], [149.46966991411009, -22.53033008588991], [149.25, -22.0], [149.35355339059328, -21.75], [149.32322330470336, -21.67677669529664], [148.96966991411009, -21.53033008588991], [148.75, -21.0], [148.85355339059328, -20.75], [148.82322330470336, -20.67677669529664]]]}, "2020-04-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[146.35355339059328, -21.25], [146.25, -21.0], [146.46966991411009, -20.46966991411009], [146.82322330470336, -20.32322330470336], [146.96966991411009, -19.96966991411009], [147.5, -19.75], [147.75, -19.853553390593273], [147.82322330470336, -19.82322330470336], [147.85355339059328, -19.75], [147.75, -19.5], [147.96966991411009, -18.96966991411009], [148.5, -18.75], [149.0, -18.957106781186546], [149.5, -18.75], [149.75, -18.853553390593273], [150.0, -18.75], [150.53033008588991, -18.96966991411009], [150.75, -19.5], [150.64644660940672, -19.75], [150.67677669529664, -19.82322330470336], [151.03033008588991, -19.96966991411009], [151.17677669529664, -20.32322330470336], [151.53033008588991, -20.46966991411009], [151.75, -21.0], [151.54289321881345, -21.5], [151.67677669529664, -21.82322330470336], [152.03033008588991, -21.96966991411009], [152.25, -22.5], [152.14644660940672, -22.75], [152.17677669529664, -22.82322330470336], [152.53033008588991, -22.96966991411009], [152.67677669529664, -23.32322330470336], [153.03033008588991, -23.46966991411009], [153.25, -24.0], [153.03033008588991, -24.53033008588991], [152.67677669529664, -24.67677669529664], [152.53033008588991, -25.03033008588991], [152.0, -25.25], [151.75, -25.146446609406727], [151.5, -25.25], [150.96966991411009, -25.03033008588991], [150.75, -24.5], [150.85355339059328, -24.25], [150.82322330470336, -24.17677669529664], [150.46966991411009, -24.03033008588991], [150.25, -23.5], [150.375, -23.19822330470336], [149.96966991411009, -23.03033008588991], [149.82322330470336, -22.67677669529664], [149.46966991411009, -22.53033008588991], [149.25, -22.0], [149.35355339059328, -21.75], [149.32322330470336, -21.67677669529664], [148.96966991411009, -21.53033008588991], [148.82322330470336, -21.17677669529664], [148.69822330470336, -21.125], [148.53033008588991, -21.53033008588991], [148.17677669529664, -21.67677669529664], [148.03033008588991, -22.03033008588991], [147.5, -22.25], [147.25, -22.146446609406727], [147.0, -22.25], [146.46966991411009, -22.03033008588991], [146.25, -21.5], [146.35355339059328, -21.25]]]}, "2020-04-05T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[146.35355339059328, -21.25], [146.25, -21.0], [146.46966991411009, -20.46966991411009], [146.82322330470336, -20.32322330470336], [146.96966991411009, -19.96966991411009], [147.5, -19.75], [147.75, -19.853553390593273], [147.82322330470336, -19.82322330470336], [147.85355339059328, -19.75], [147.75, -19.5], [147.96966991411009, -18.96966991411009], [148.5, -18.75], [149.0, -18.957106781186546], [149.5, -18.75], [149.75, -18.853553390593273], [150.0, -18.75], [150.53033008588991, -18.96966991411009], [150.75, -19.5], [150.64644660940672, -19.75], [150.67677669529664, -19.82322330470336], [151.03033008588991, -19.96966991411009], [151.17677669529664, -20.32322330470336], [151.53033008588991, -20.46966991411009], [151.75, -21.0], [151.54289321881345, -21.5], [151.67677669529664, -21.82322330470336], [152.03033008588991, -21.96966991411009], [152.25, -22.5], [152.14644660940672, -22.75], [152.17677669529664, -22.82322330470336], [152.53033008588991, -22.96966991411009], [152.67677669529664, -23.32322330470336], [153.03033008588991, -23.46966991411009], [153.25, -24.0], [153.03033008588991, -24.53033008588991], [152.67677669529664, -24.67677669529664], [152.53033008588991, -25.03033008588991], [152.0, -25.25], [151.75, -25.146446609406727], [151.5, -25.25], [150.96966991411009, -25.03033008588991], [150.75, -24.5], [150.85355339059328, -24.25], [150.82322330470336, -24.17677669529664], [150.46966991411009, -24.03033008588991], [150.25, -23.5], [150.375, -23.19822330470336], [149.96966991411009, -23.03033008588991], [149.82322330470336, -22.67677669529664], [149.46966991411009, -22.53033008588991], [149.25, -22.0], [149.35355339059328, -21.75], [149.32322330470336, -21.67677669529664], [148.96966991411009, -21.53033008588991], [148.82322330470336, -21.17677669529664], [148.69822330470336, -21.125], [148.53033008588991, -21.53033008588991], [148.17677669529664, -21.67677669529664], [148.03033008588991, -22.03033008588991], [147.5, -22.25], [147.25, -22.146446609406727], [147.0, -22.25], [146.46966991411009, -22.03033008588991], [146.25, -21.5], [146.35355339059328, -21.25]]]}, "2020-04-06T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[146.35355339059328, -21.25], [146.25, -21.0], [146.46966991411009, -20.46966991411009], [146.82322330470336, -20.32322330470336], [146.96966991411009, -19.96966991411009], [147.5, -19.75], [147.75, -19.853553390593273], [147.82322330470336, -19.82322330470336], [147.85355339059328, -19.75], [147.75, -19.5], [147.96966991411009, -18.96966991411009], [148.5, -18.75], [149.03033008588991, -18.96966991411009], [149.19822330470336, -19.375], [149.5, -19.25], [150.03033008588991, -19.46966991411009], [150.25, -20.0], [150.03033008588991, -20.53033008588991], [149.67677669529664, -20.67677669529664], [149.53033008588991, -21.03033008588991], [149.0, -21.25], [148.69822330470336, -21.125], [148.53033008588991, -21.53033008588991], [148.17677669529664, -21.67677669529664], [148.03033008588991, -22.03033008588991], [147.5, -22.25], [147.25, -22.146446609406727], [147.0, -22.25], [146.46966991411009, -22.03033008588991], [146.25, -21.5], [146.35355339059328, -21.25]]]}, "2020-04-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[148.25, -20.5], [148.46966991411009, -19.96966991411009], [149.0, -19.75], [149.53033008588991, -19.96966991411009], [149.75, -20.5], [149.53033008588991, -21.03033008588991], [149.0, -21.25], [148.46966991411009, -21.03033008588991], [148.25, -20.5]]]}, "2020-04-08T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[148.25, -20.5], [148.46966991411009, -19.96966991411009], [149.0, -19.75], [149.53033008588991, -19.96966991411009], [149.75, -20.5], [149.53033008588991, -21.03033008588991], [149.0, -21.25], [148.46966991411009, -21.03033008588991], [148.25, -20.5]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9408803724517725}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4328631831851641}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.343802647367227, 26.308117199709102, 26.118173913479893, 26.486322804264944, 26.21990321448635, 26.328816711719412, 25.793663686222146, 26.089099709539994]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.441159057710365, 26.559226341828378, 26.772941134142968, 28.975205880869908, 28.336433562129173, 27.510804271375434, 25.793663686222146, 26.089099709539994]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9847095203634808, 0.9807026124897902, 1.1907014364555697, 1.6560429461391184, 1.516439576160264, 1.7082649294651033, 1.0236123949755438, 1.3891791760534602]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1162210848868312, 1.0946053386472272, 1.8164254640792592, 3.9408803724517725, 3.2791335799180956, 2.4828893506385725, 1.0236123949755438, 1.3891791760534602]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.354498429276555, 1.393276712429918, 1.5761002732526737, 1.7322261797257568, 1.6155747282361264, 1.3281583099739611, 1.2249213312838607, 1.6067065622166152]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4596560888731298, 1.49525865324876, 1.8201551580192534, 2.392958781324355, 2.137684790732895, 1.573211112767011, 1.2249213312838607, 1.6067065622166152]}}