{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:31.993870", "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-Sep-16_to_2020-Sep-20_141.5_-12.0"}, "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": 2020090001826}, "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": "September 16 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 20 2020"}, "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": 84434.41748833051}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": -12.0}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 138.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 144.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -11.03], [138.25, -10.5], [138.47, -9.97], [139.0, 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-11.53], [139.32, -11.18], [139.25, -11.15], [139.0, -11.25], [138.47, -11.03]]]]}, "2020-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.25, -10.5], [138.47, -9.97], [139.0, -9.75], [139.25, -9.85], [139.5, -9.75], [140.03, -9.97], [140.18, -10.32], [140.25, -10.35], [140.5, -10.25], [140.75, -10.35], [141.0, -10.25], [141.53, -10.47], [141.68, -10.82], [142.03, -10.97], [142.25, -11.5], [142.15, -11.75], [142.25, -12.0], [142.15, -12.25], [142.25, -12.5], [142.15, -12.75], [142.25, -13.0], [142.15, -13.25], [142.25, -13.5], [142.15, -13.75], [142.18, -13.82], [142.25, -13.85], [142.5, -13.75], [142.75, -13.85], [142.82, -13.82], [142.97, -13.47], [143.5, -13.25], [144.03, -13.47], [144.18, -13.82], [144.53, -13.97], [144.75, -14.5], [144.53, -15.03], [144.0, -15.25], [143.75, -15.15], [143.5, -15.25], [143.25, -15.15], [143.0, -15.25], [142.75, -15.15], [142.5, -15.25], [142.25, -15.15], [142.0, -15.25], [141.75, -15.15], [141.5, -15.25], [140.97, -15.03], 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-12.68], [139.47, -12.53], [139.32, -12.18], [138.97, -12.03], [138.75, -11.5]]]]}, "2020-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.5, -11.25], [142.03, -11.47], [142.25, -12.0], [142.03, -12.53], [141.5, -12.75], [140.97, -12.53], [140.75, -12.0], [140.97, -11.47], [141.5, -11.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4610243844397814}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3553918431368301}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.850455771347526, 26.867515096907255, 26.91771985866086, 26.60220224788162, 26.84221150883917]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.220394890908494, 29.230064252105706, 29.24109211859519, 26.87817194304381, 26.84221150883917]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3997446361328751, 1.3936263549915193, 1.4136306677170947, 1.060891312605231, 1.1236777574322332]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.424721916345618, 2.2459416872532643, 2.4610243844397814, 1.2481631782365525, 1.1236777574322332]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7020464634763635, 1.7548247056334945, 1.7774699126165971, 1.4699478822420813, 1.4411608167004901]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2358684466987584, 2.5424025791188924, 2.769361077894824, 1.5355403784667023, 1.4411608167004901]}}