{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:04.166733", "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": "2022-Mar-19_to_2022-Mar-23_124.5_-24.0"}, "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": 2022030002213}, "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": "March 19 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 23 2022"}, "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": 133176.7486693048}, "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": -24.0}, "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": 124.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.5\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": 127.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[126.25, -23.85], [126.5, -23.75], [126.75, -23.85], [127.0, -23.75], [127.53, -23.97], [127.68, -24.32], [128.03, -24.47], [128.25, -25.0], [128.15, -25.25], [128.25, -25.5], [128.03, -26.03], [127.5, -26.25], [127.25, -26.15], [127.0, -26.25], [126.75, -26.15], [126.5, -26.25], [125.97, -26.03], [125.82, -25.68], [125.75, -25.65], [125.5, -25.75], [125.25, -25.65], [125.0, -25.75], [124.75, -25.65], [124.5, -25.75], [123.97, -25.53], [123.82, -25.18], [123.47, -25.03], [123.32, -24.68], [122.97, -24.53], [122.75, -24.0], [122.85, -23.75], [122.82, -23.68], [122.47, -23.53], [122.25, -23.0], [122.35, -22.75], [122.25, -22.5], [122.46, -22.0], [122.25, -21.5], [122.35, -21.25], [122.25, -21.0], [122.47, -20.47], [123.0, -20.25], [123.25, -20.35], [123.5, -20.25], [124.03, -20.47], [124.18, -20.82], [124.53, -20.97], [124.68, -21.32], [124.75, -21.35], [125.0, -21.25], [125.53, -21.47], [125.75, -22.0], [125.65, -22.25], [125.68, -22.32], [126.03, -22.47], [126.25, -23.0], [126.15, -23.25], [126.25, -23.5], [126.15, -23.75], [126.18, -23.82], [126.25, -23.85]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.47, -25.03], [123.25, -24.5], [123.47, -23.97], [123.82, -23.82], [123.97, -23.47], [124.5, -23.25], [124.75, -23.35], [125.0, -23.25], [125.25, -23.35], [125.5, -23.25], [126.03, -23.47], [126.18, -23.82], [126.25, -23.85], [126.5, -23.75], [127.03, -23.97], [127.18, -24.32], [127.25, -24.35], [127.5, -24.25], [128.03, -24.47], [128.25, -25.0], [128.15, -25.25], [128.25, -25.5], [128.03, -26.03], [127.5, -26.25], [127.25, -26.15], [127.0, -26.25], [126.75, -26.15], [126.5, -26.25], [125.97, -26.03], [125.82, -25.68], [125.75, -25.65], [125.5, -25.75], [125.25, -25.65], [125.0, -25.75], [124.75, -25.65], [124.5, -25.75], [123.97, -25.53], [123.82, -25.18], [123.47, -25.03]]]]}, "2022-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, -22.5], [122.47, -21.97], [123.0, -21.75], [123.25, -21.85], [123.32, -21.82], [123.47, -21.47], [124.0, -21.25], [124.25, -21.35], [124.5, -21.25], [124.75, -21.35], [125.0, -21.25], [125.53, -21.47], [125.75, -22.0], [125.65, -22.25], [125.68, -22.32], [126.03, -22.47], [126.25, -23.0], [126.15, -23.25], [126.25, -23.5], [126.15, -23.75], [126.18, -23.82], [126.25, -23.85], [126.5, -23.75], [126.75, -23.85], [127.0, -23.75], [127.53, -23.97], [127.68, -24.32], [128.03, -24.47], [128.25, -25.0], [128.15, -25.25], [128.25, -25.5], [128.03, -26.03], [127.5, -26.25], [127.25, -26.15], [127.0, -26.25], [126.75, -26.15], [126.5, -26.25], [125.97, -26.03], [125.82, -25.68], [125.75, -25.65], [125.5, -25.75], [125.25, -25.65], [125.0, -25.75], [124.75, -25.65], [124.5, -25.75], [123.97, -25.53], [123.82, -25.18], [123.47, -25.03], [123.32, -24.68], [122.97, -24.53], [122.75, -24.0], [122.85, -23.75], [122.82, -23.68], [122.47, -23.53], [122.25, -23.0], [122.35, -22.75], [122.25, -22.5]]]]}, "2022-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, -22.5], [122.46, -22.0], [122.25, -21.5], [122.35, -21.25], [122.25, -21.0], [122.47, -20.47], [123.0, -20.25], [123.25, -20.35], [123.5, -20.25], [124.03, -20.47], [124.18, -20.82], [124.53, -20.97], [124.68, -21.32], [124.75, -21.35], [125.0, -21.25], [125.53, -21.47], [125.75, -22.0], [125.65, -22.25], [125.68, -22.32], [126.03, -22.47], [126.25, -23.0], [126.15, -23.25], [126.25, -23.5], [126.15, -23.75], [126.18, -23.82], [126.25, -23.85], [126.5, -23.75], [126.75, -23.85], [127.0, -23.75], [127.53, -23.97], [127.68, -24.32], [128.03, -24.47], [128.25, -25.0], [128.15, -25.25], [128.25, -25.5], [128.03, -26.03], [127.5, -26.25], [127.25, -26.15], [127.0, -26.25], [126.75, -26.15], [126.5, -26.25], [125.97, -26.03], [125.82, -25.68], [125.75, -25.65], [125.5, -25.75], [125.25, -25.65], [125.0, -25.75], [124.75, -25.65], [124.5, -25.75], [123.97, -25.53], [123.82, -25.18], [123.47, -25.03], [123.32, -24.68], [122.97, -24.53], [122.75, -24.0], [122.85, -23.75], [122.82, -23.68], [122.47, -23.53], [122.25, -23.0], [122.35, -22.75], [122.25, -22.5]]]]}, "2022-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, -22.5], [122.46, -22.0], [122.25, -21.5], [122.35, -21.25], [122.25, -21.0], [122.47, -20.47], [123.0, -20.25], [123.25, -20.35], [123.5, -20.25], [124.03, -20.47], [124.18, -20.82], [124.53, -20.97], [124.68, -21.32], [124.75, -21.35], [125.0, -21.25], [125.53, -21.47], [125.75, -22.0], [125.65, -22.25], [125.68, -22.32], [126.03, -22.47], [126.25, -23.0], [126.15, -23.25], [126.25, -23.5], [126.15, -23.75], [126.18, -23.82], [126.5, -23.96], [127.0, -23.75], [127.53, -23.97], [127.68, -24.32], [128.03, -24.47], [128.25, -25.0], [128.03, -25.53], [127.5, -25.75], [127.25, -25.65], [127.0, -25.75], [126.47, -25.53], [126.3, -25.12], [126.0, -25.25], [125.75, -25.15], [125.5, -25.25], [125.25, -25.15], [125.0, -25.25], [124.47, -25.03], [124.32, -24.68], [124.25, -24.65], [124.0, -24.75], [123.75, -24.65], [123.5, -24.75], [122.97, -24.53], [122.75, -24.0], [122.85, -23.75], [122.82, -23.68], [122.47, -23.53], [122.25, -23.0], [122.35, -22.75], [122.25, -22.5]]]]}, "2022-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, -21.0], [122.47, -20.47], [123.0, -20.25], [123.25, -20.35], [123.5, -20.25], [124.03, -20.47], [124.18, -20.82], [124.53, -20.97], [124.68, -21.32], [125.03, -21.47], [125.25, -22.0], [125.15, -22.25], [125.25, -22.5], [125.03, -23.03], [124.5, -23.25], [123.97, -23.03], [123.82, -22.68], [123.75, -22.65], [123.5, -22.75], [122.97, -22.53], [122.82, -22.18], [122.47, -22.03], [122.25, -21.5], [122.35, -21.25], [122.25, -21.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.0373342282732665}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.235245928441755}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.976287575304355, 34.74671843023083, 34.78909051855197, 34.40024760831068, 34.25683846651316]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.92416085498036, 35.61284922259938, 35.82447117311227, 35.72084695801112, 34.578511669142756]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.062405316422419, 4.326506980244972, 4.531663438761852, 4.014622369484409, 3.518922999759064]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.252807913720687, 5.461635837338008, 6.0373342282732665, 4.5976144184821806, 3.8369877929277436]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1745489802149376, 1.2528084707705274, 1.300329347435149, 1.1662258680912645, 1.1208361269455633]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2751481257998543, 1.5056277931140825, 1.6068417321127137, 1.3302428742608623, 1.2324043738549082]}}