{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:22:03.820772", "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-Jan-20_to_2021-Jan-24_127.0_-32.5"}, "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": 2021010002308}, "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": "January 20 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 24 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": 213192.07573066658}, "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": -32.5}, "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": 127.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "127.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 123.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 132.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -35.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[127.5, -31.25], [127.75, -31.354], [128.0, -31.25], [128.53, -31.47], [128.677, -31.823], [129.03, -31.97], [129.177, -32.323], [129.25, -32.354], [129.5, -32.25], [130.03, -32.47], [130.177, -32.823], [130.25, -32.854], [130.5, -32.75], [130.75, -32.854], [131.0, -32.75], [131.53, -32.97], [131.677, -33.323], [131.75, -33.354], [131.823, -33.323], [131.97, -32.97], [132.5, -32.75], [133.03, -32.97], [133.25, -33.5], [133.146, -33.75], [133.25, -34.0], [133.03, -34.53], [132.5, -34.75], [132.25, -34.646], [132.177, -34.677], [132.03, -35.03], [131.677, -35.177], [131.53, -35.53], [131.0, -35.75], [130.75, -35.646], [130.5, -35.75], [130.25, -35.646], [130.0, -35.75], [129.75, -35.646], [129.5, -35.75], [129.25, -35.646], [129.0, -35.75], [128.75, -35.646], [128.5, -35.75], [127.97, -35.53], [127.75, -35.0], [127.854, -34.75], [127.823, -34.677], [127.47, -34.53], [127.25, -34.0], [127.354, -33.75], [127.323, -33.677], [127.251, -33.646], [127.25, -33.646], [127.249, -33.646], [127.177, -33.677], [127.03, -34.03], [126.5, -34.25], [126.25, -34.146], [126.0, -34.25], [125.75, -34.146], [125.5, -34.25], [125.0, -34.043], [124.5, -34.25], [123.97, -34.03], [123.75, -33.5], [123.957, -33.0], [123.75, -32.5], [123.854, -32.25], [123.75, -32.0], [123.854, -31.75], [123.823, -31.677], [123.47, -31.53], [123.323, -31.177], [122.97, -31.03], [122.823, -30.677], [122.47, -30.53], [122.25, -30.0], [122.47, -29.47], [123.0, -29.25], [123.25, -29.354], [123.5, -29.25], [123.75, -29.354], [124.0, -29.25], [124.25, -29.354], [124.323, -29.323], [124.47, -28.97], [125.0, -28.75], [125.53, -28.97], [125.75, -29.5], [125.646, -29.75], [125.677, -29.823], [125.75, -29.854], [126.0, -29.75], [126.53, -29.97], [126.677, -30.323], [127.03, -30.47], [127.25, -31.0], [127.073, -31.427], [127.5, -31.25]], [[126.823, -31.823], [126.927, -31.573], [126.677, -31.677], [126.646, -31.75], [126.646, -31.751], [126.677, -31.823], [126.749, -31.854], [126.75, -31.854], [126.823, -31.823]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-20T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[122.82322330470336, -30.67677669529664], [122.46966991411009, -30.53033008588991], [122.25, -30.0], [122.46966991411009, -29.46966991411009], [123.0, -29.25], [123.25, -29.353553390593273], [123.5, -29.25], [123.75, -29.353553390593273], [124.0, -29.25], [124.25, -29.353553390593273], [124.32322330470336, -29.32322330470336], [124.46966991411009, -28.96966991411009], [125.0, -28.75], [125.53033008588991, -28.96966991411009], [125.75, -29.5], [125.64644660940672, -29.75], [125.67677669529664, -29.82322330470336], [125.75, -29.853553390593273], [126.0, -29.75], [126.53033008588991, -29.96966991411009], [126.67677669529664, -30.32322330470336], [127.03033008588991, -30.46966991411009], [127.25, -31.0], [127.03033008588991, -31.53033008588991], [126.67677669529664, -31.67677669529664], [126.53033008588991, -32.03033008588991], [126.17677669529664, -32.17677669529664], [126.03033008588991, -32.53033008588991], [125.5, -32.75], [125.25, -32.64644660940672], [125.0, -32.75], [124.75, -32.64644660940672], [124.5, -32.75], [123.96966991411009, -32.53033008588991], [123.75, -32.0], [123.85355339059328, -31.75], [123.82322330470336, -31.67677669529664], [123.46966991411009, -31.53033008588991], [123.32322330470336, -31.17677669529664], [122.96966991411009, -31.03033008588991], [122.82322330470336, -30.67677669529664]]]}, "2021-01-21T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[122.82322330470336, -30.67677669529664], [122.46966991411009, -30.53033008588991], [122.25, -30.0], [122.46966991411009, -29.46966991411009], [123.0, -29.25], [123.25, -29.353553390593273], [123.5, -29.25], [123.75, -29.353553390593273], [124.0, -29.25], [124.25, -29.353553390593273], [124.32322330470336, -29.32322330470336], [124.46966991411009, -28.96966991411009], [125.0, -28.75], [125.53033008588991, -28.96966991411009], [125.75, -29.5], [125.64644660940672, -29.75], [125.67677669529664, -29.82322330470336], [125.75, -29.853553390593273], [126.0, -29.75], [126.53033008588991, -29.96966991411009], [126.67677669529664, -30.32322330470336], [127.03033008588991, -30.46966991411009], [127.25, -31.0], [127.03033008588991, -31.53033008588991], [126.67677669529664, -31.67677669529664], [126.64644660940672, -31.75], [126.67677669529664, -31.82322330470336], [126.75, -31.853553390593273], [127.0, -31.75], [127.25, -31.853553390593273], [127.5, -31.75], [128.03033008588991, -31.96966991411009], [128.25, -32.5], [128.03033008588991, -33.03033008588991], [127.67677669529664, -33.17677669529664], [127.53033008588991, -33.53033008588991], [127.17677669529664, -33.67677669529664], [127.03033008588991, -34.03033008588991], [126.5, -34.25], [126.25, -34.14644660940672], [126.0, -34.25], [125.75, -34.14644660940672], [125.5, -34.25], [125.0, -34.042893218813454], [124.5, -34.25], [123.96966991411009, -34.03033008588991], [123.75, -33.5], [123.95710678118654, -33.0], [123.75, -32.5], [123.85355339059328, -32.25], [123.75, -32.0], [123.85355339059328, -31.75], [123.82322330470336, -31.67677669529664], [123.46966991411009, -31.53033008588991], [123.32322330470336, -31.17677669529664], [122.96966991411009, -31.03033008588991], [122.82322330470336, -30.67677669529664]]]}, "2021-01-22T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[122.82322330470336, -30.67677669529664], [122.46966991411009, -30.53033008588991], [122.25, -30.0], [122.46966991411009, -29.46966991411009], [123.0, -29.25], [123.25, -29.353553390593273], [123.5, -29.25], [123.75, -29.353553390593273], [124.0, -29.25], [124.25, -29.353553390593273], [124.32322330470336, -29.32322330470336], [124.46966991411009, -28.96966991411009], [125.0, -28.75], [125.53033008588991, -28.96966991411009], [125.75, -29.5], [125.64644660940672, -29.75], [125.67677669529664, -29.82322330470336], [125.75, -29.853553390593273], [126.0, -29.75], [126.53033008588991, -29.96966991411009], [126.67677669529664, -30.32322330470336], [127.03033008588991, -30.46966991411009], [127.25, -31.0], [127.07322330470336, -31.42677669529663], [127.5, -31.25], [127.75, -31.353553390593273], [128.0, -31.25], [128.53033008588991, -31.46966991411009], [128.67677669529664, -31.82322330470336], [129.03033008588991, -31.96966991411009], [129.17677669529664, -32.32322330470336], [129.25, -32.35355339059328], [129.5, -32.25], [130.03033008588991, -32.46966991411009], [130.17677669529664, -32.82322330470336], [130.25, -32.85355339059328], [130.5, -32.75], [130.75, -32.85355339059328], [131.0, -32.75], [131.53033008588991, -32.96966991411009], [131.67677669529664, -33.32322330470336], [131.75, -33.35355339059328], [131.82322330470336, -33.32322330470336], [131.96966991411009, -32.96966991411009], [132.5, -32.75], [133.03033008588991, -32.96966991411009], [133.25, -33.5], [133.14644660940672, -33.75], [133.25, -34.0], [133.03033008588991, -34.53033008588991], [132.5, -34.75], [132.25, -34.64644660940672], [132.17677669529664, -34.67677669529664], [132.03033008588991, -35.03033008588991], [131.67677669529664, -35.17677669529664], [131.53033008588991, -35.53033008588991], [131.0, -35.75], [130.75, -35.64644660940672], [130.5, -35.75], [130.25, -35.64644660940672], [130.0, -35.75], [129.75, -35.64644660940672], [129.5, -35.75], [129.25, -35.64644660940672], [129.0, -35.75], [128.75, -35.64644660940672], [128.5, -35.75], [127.96966991411009, -35.53033008588991], [127.75, -35.0], [127.85355339059328, -34.75], [127.82322330470336, -34.67677669529664], [127.46966991411009, -34.53033008588991], [127.25, -34.0], [127.35355339059328, -33.75], [127.32322330470336, -33.67677669529664], [127.25, -33.64644660940672], [127.17677669529664, -33.67677669529664], [127.03033008588991, -34.03033008588991], [126.5, -34.25], [126.25, -34.14644660940672], [126.0, -34.25], [125.75, -34.14644660940672], [125.5, -34.25], [125.0, -34.042893218813454], [124.5, -34.25], [123.96966991411009, -34.03033008588991], [123.75, -33.5], [123.95710678118654, -33.0], [123.75, -32.5], [123.85355339059328, -32.25], [123.75, -32.0], [123.85355339059328, -31.75], [123.82322330470336, -31.67677669529664], [123.46966991411009, -31.53033008588991], [123.32322330470336, -31.17677669529664], [122.96966991411009, -31.03033008588991], [122.82322330470336, -30.67677669529664]], [[126.67677669529664, -31.82322330470336], [126.75, -31.853553390593273], [126.82322330470336, -31.82322330470336], [126.92677669529664, -31.57322330470337], [126.67677669529664, -31.67677669529664], [126.64644660940672, -31.75], [126.67677669529664, -31.82322330470336]]]}, "2021-01-23T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[123.85355339059328, -32.25], [123.75, -32.0], [123.96966991411009, -31.46966991411009], [124.5, -31.25], [124.75, -31.353553390593273], [125.0, -31.25], [125.25, -31.353553390593273], [125.32322330470336, -31.32322330470336], [125.46966991411009, -30.96966991411009], [126.0, -30.75], [126.53033008588991, -30.96966991411009], [126.75, -31.5], [126.64644660940672, -31.75], [126.67677669529664, -31.82322330470336], [126.75, -31.853553390593273], [126.82322330470336, -31.82322330470336], [126.96966991411009, -31.46966991411009], [127.5, -31.25], [127.75, -31.353553390593273], [128.0, -31.25], [128.53033008588991, -31.46966991411009], [128.67677669529664, -31.82322330470336], [129.03033008588991, -31.96966991411009], [129.17677669529664, -32.32322330470336], [129.25, -32.35355339059328], [129.5, -32.25], [130.03033008588991, -32.46966991411009], [130.17677669529664, -32.82322330470336], [130.25, -32.85355339059328], [130.5, -32.75], [130.75, -32.85355339059328], [131.0, -32.75], [131.53033008588991, -32.96966991411009], [131.67677669529664, -33.32322330470336], [131.75, -33.35355339059328], [131.82322330470336, -33.32322330470336], [131.96966991411009, -32.96966991411009], [132.5, -32.75], [133.03033008588991, -32.96966991411009], [133.25, -33.5], [133.14644660940672, -33.75], [133.25, -34.0], [133.03033008588991, -34.53033008588991], [132.5, -34.75], [132.25, -34.64644660940672], [132.17677669529664, -34.67677669529664], [132.03033008588991, -35.03033008588991], [131.67677669529664, -35.17677669529664], [131.53033008588991, -35.53033008588991], [131.0, -35.75], [130.75, -35.64644660940672], [130.5, -35.75], [130.25, -35.64644660940672], [130.0, -35.75], [129.75, -35.64644660940672], [129.5, -35.75], [129.25, -35.64644660940672], [129.0, -35.75], [128.75, -35.64644660940672], [128.5, -35.75], [127.96966991411009, -35.53033008588991], [127.75, -35.0], [127.85355339059328, -34.75], [127.82322330470336, -34.67677669529664], [127.46966991411009, -34.53033008588991], [127.25, -34.0], [127.35355339059328, -33.75], [127.32322330470336, -33.67677669529664], [127.25, -33.64644660940672], [127.17677669529664, -33.67677669529664], [127.03033008588991, -34.03033008588991], [126.5, -34.25], [126.25, -34.14644660940672], [126.0, -34.25], [125.75, -34.14644660940672], [125.5, -34.25], [125.0, -34.042893218813454], [124.5, -34.25], [123.96966991411009, -34.03033008588991], [123.75, -33.5], [123.95710678118654, -33.0], [123.75, -32.5], [123.85355339059328, -32.25]]]}, "2021-01-24T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[126.82322330470336, -33.17677669529664], [126.46966991411009, -33.03033008588991], [126.25, -32.5], [126.46966991411009, -31.96966991411009], [126.82322330470336, -31.82322330470336], [126.96966991411009, -31.46966991411009], [127.5, -31.25], [127.75, -31.353553390593273], [128.0, -31.25], [128.53033008588991, -31.46966991411009], [128.67677669529664, -31.82322330470336], [129.03033008588991, -31.96966991411009], [129.17677669529664, -32.32322330470336], [129.25, -32.35355339059328], [129.5, -32.25], [130.03033008588991, -32.46966991411009], [130.17677669529664, -32.82322330470336], [130.25, -32.85355339059328], [130.5, -32.75], [130.75, -32.85355339059328], [131.0, -32.75], [131.53033008588991, -32.96966991411009], [131.67677669529664, -33.32322330470336], [131.75, -33.35355339059328], [131.82322330470336, -33.32322330470336], [131.96966991411009, -32.96966991411009], [132.5, -32.75], [133.03033008588991, -32.96966991411009], [133.25, -33.5], [133.14644660940672, -33.75], [133.25, -34.0], [133.03033008588991, -34.53033008588991], [132.5, -34.75], [132.25, -34.64644660940672], [132.17677669529664, -34.67677669529664], [132.03033008588991, -35.03033008588991], [131.67677669529664, -35.17677669529664], [131.53033008588991, -35.53033008588991], [131.0, -35.75], [130.75, -35.64644660940672], [130.5, -35.75], [130.25, -35.64644660940672], [130.0, -35.75], [129.75, -35.64644660940672], [129.5, -35.75], [129.25, -35.64644660940672], [129.0, -35.75], [128.75, -35.64644660940672], [128.5, -35.75], [127.96966991411009, -35.53033008588991], [127.75, -35.0], [127.85355339059328, -34.75], [127.82322330470336, -34.67677669529664], [127.46966991411009, -34.53033008588991], [127.25, -34.0], [127.35355339059328, -33.75], [127.32322330470336, -33.67677669529664], [126.96966991411009, -33.53033008588991], [126.82322330470336, -33.17677669529664]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.65421267520992}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.2402158289581395}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.67174890319086, 28.018061837494827, 25.253400337916446, 23.601143260366143, 20.862604038347285]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.26769240711246, 35.272267042584474, 35.550609428517475, 28.928291237746237, 24.326244458106828]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.414994789604136, 4.956539947637943, 4.382437692342376, 4.241330186349031, 1.9500906956473412]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.244937848753352, 8.640029137980832, 11.65421267520992, 7.785998106289412, 3.2543382889566033]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5873058440356282, 1.5316922610953543, 1.8087845491406955, 2.9581763919877604, 1.4707951856074004]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7446484327173157, 2.042815483581312, 2.9048066647071153, 4.591487692800866, 2.2723746764784605]}}