{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:15.024313", "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-Mar-09_to_2020-Mar-14_144.0_-9.0"}, "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": 2020030001466}, "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 09 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 61131.50126509223}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": -9.0}, "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": 144.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 146.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.47, -7.97], [144.0, -7.75], [144.53, -7.97], [144.75, -8.5], [144.65, -8.75], [144.75, -9.0], [144.53, -9.53], [144.0, -9.75], [143.47, -9.53], [143.25, -9.0], [143.35, -8.75], [143.25, -8.5], [143.47, -7.97]]]]}, "2020-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -9.53], [141.75, -9.0], [141.97, -8.47], [142.5, -8.25], [142.75, -8.35], [142.82, -8.32], [142.97, -7.97], [143.5, -7.75], [143.75, -7.85], [143.82, -7.82], [143.85, -7.75], [143.75, -7.5], [143.97, -6.97], [144.5, -6.75], [145.0, -6.96], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.53, -7.47], [146.75, -8.0], [146.53, -8.53], [146.18, -8.68], [146.03, -9.03], [145.68, -9.18], [145.53, -9.53], [145.0, -9.75], [144.75, -9.65], [144.68, -9.68], [144.53, -10.03], [144.0, -10.25], [143.75, -10.15], [143.5, -10.25], [142.97, -10.03], [142.82, -9.68], [142.75, -9.65], [142.5, -9.75], [141.97, -9.53]]]]}, "2020-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -9.53], [141.75, -9.0], [141.97, -8.47], [142.5, -8.25], [142.75, -8.35], [142.82, -8.32], [142.97, -7.97], [143.5, -7.75], [143.75, -7.85], [143.82, -7.82], [143.85, -7.75], [143.75, -7.5], [143.97, -6.97], [144.5, -6.75], [145.0, -6.96], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.53, -7.47], [146.75, -8.0], [146.53, -8.53], [146.18, -8.68], [146.03, -9.03], [145.68, -9.18], [145.53, -9.53], [145.0, -9.75], [144.75, -9.65], [144.68, -9.68], [144.53, -10.03], [144.0, -10.25], [143.75, -10.15], [143.5, -10.25], [142.97, -10.03], [142.82, -9.68], [142.75, -9.65], [142.5, -9.75], [141.97, -9.53]]]]}, "2020-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -7.97], [142.5, -7.75], [143.0, -7.96], [143.5, -7.75], [143.75, -7.85], [143.82, -7.82], [143.85, -7.75], [143.75, -7.5], [143.97, -6.97], [144.5, -6.75], [145.0, -6.96], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.53, -7.47], [146.75, -8.0], [146.53, -8.53], [146.18, -8.68], [146.03, -9.03], [145.68, -9.18], [145.53, -9.53], [145.0, -9.75], [144.75, -9.65], [144.68, -9.68], [144.53, -10.03], [144.0, -10.25], [143.75, -10.15], [143.5, -10.25], [142.97, -10.03], [142.82, -9.68], [142.75, -9.65], [142.5, -9.75], [141.97, -9.53], [141.75, -9.0], [141.85, -8.75], [141.75, -8.5], [141.97, -7.97]]]]}, "2020-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -9.03], [141.75, -8.5], [141.97, -7.97], [142.5, -7.75], [143.0, -7.96], [143.5, -7.75], [144.03, -7.97], [144.25, -8.5], [144.03, -9.03], [143.5, -9.25], [143.0, -9.04], [142.5, -9.25], [141.97, -9.03]]]]}, "2020-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.5, -7.75], [143.03, -7.97], [143.25, -8.5], [143.03, -9.03], [142.5, -9.25], [141.97, -9.03], [141.75, -8.5], [141.97, -7.97], [142.5, -7.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5374621628750447}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.398965197621054}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.041154650895805, 28.61226794642357, 28.31397109849894, 28.06259029859592, 27.83610190478271, 27.492086261855263]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.063505845022007, 29.3007167198881, 29.54261372298521, 28.47768866950969, 27.939629077576228, 27.492086261855263]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9573101892353293, 1.7052396438365978, 1.4079497600456594, 1.1841550064078177, 1.1675310741291582, 1.0514261214781868]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0002548568098746, 2.5374621628750447, 2.4265678620172366, 1.4556534943621955, 1.306480699671738, 1.0514261214781868]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4889161606941, 2.3971284344704213, 1.982986272461457, 1.7023152453879784, 1.6091649690910956, 1.383933227881212]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5699811773809174, 3.2937237913079427, 2.8681736706508927, 2.1863383059372232, 1.7216137925325055, 1.383933227881212]}}