{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:32.701490", "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": "2017-Mar-17_to_2017-Mar-22_144.5_-11.0"}, "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": 2017030001811}, "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 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 22 2017"}, "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": 295431.1501620148}, "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", "Indonesia", "Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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", "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": -11.0}, "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": 144.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 139.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.5, -7.75], [139.75, -7.85], [140.0, -7.75], [140.25, -7.85], [140.5, -7.75], [141.03, -7.97], [141.25, -8.5], [141.15, -8.75], [141.18, -8.82], [141.25, -8.85], [141.5, -8.75], [141.75, -8.85], [142.0, -8.75], [142.25, -8.85], [142.5, -8.75], [142.75, -8.85], [142.82, -8.82], [142.85, -8.75], [142.75, -8.5], [142.97, -7.97], [143.32, -7.82], [143.47, -7.47], [144.0, -7.25], [144.53, -7.47], [144.68, -7.82], [144.75, -7.85], [144.82, -7.82], [144.97, -7.47], [145.5, -7.25], [146.03, -7.47], [146.18, -7.82], [146.53, -7.97], [146.68, -8.32], [147.03, -8.47], [147.18, -8.82], [147.53, -8.97], [147.75, -9.5], [147.65, -9.75], [147.68, -9.82], [148.03, -9.97], [148.18, -10.32], [148.25, -10.35], [148.5, -10.25], [148.75, -10.35], [149.0, -10.25], [149.53, -10.47], [149.75, -11.0], [149.53, -11.53], [149.18, -11.68], [149.03, -12.03], [148.5, -12.25], [147.97, -12.03], [147.82, -11.68], [147.75, -11.65], [147.5, -11.75], [147.25, -11.65], [147.0, -11.75], [146.75, -11.65], [146.5, -11.75], [146.25, -11.65], [146.18, -11.68], [146.03, -12.03], [145.5, -12.25], [145.25, -12.15], [145.0, -12.25], [144.75, -12.15], [144.5, -12.25], [143.97, -12.03], [143.82, -11.68], [143.47, -11.53], [143.25, -11.0], [143.35, -10.75], [143.32, -10.68], [143.25, -10.65], [143.0, -10.75], [142.75, -10.65], [142.68, -10.68], [142.53, -11.03], [142.0, -11.25], [141.75, -11.15], [141.5, -11.25], [141.25, -11.15], [141.0, -11.25], [140.47, -11.03], [140.25, -10.5], [140.35, -10.25], [140.3, -10.13], [140.0, -10.25], [139.47, -10.03], [139.32, -9.68], [138.97, -9.53], [138.75, -9.0], [138.85, -8.75], [138.75, -8.5], [138.97, -7.97], [139.5, -7.75]]], [[[142.0, -5.75], [142.53, -5.97], [142.68, -6.32], [143.03, -6.47], [143.25, -7.0], [143.03, -7.53], [142.5, -7.75], [142.25, -7.65], [142.0, -7.75], [141.47, -7.53], [141.25, -7.0], [141.35, -6.75], [141.25, -6.5], [141.47, -5.97], [142.0, -5.75]]]]}, "2017-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.97, -7.97], [139.5, -7.75], [139.75, -7.85], [140.0, -7.75], [140.25, -7.85], [140.5, -7.75], [141.03, -7.97], [141.18, -8.32], [141.3, -8.37], [141.46, -8.0], [141.25, -7.5], [141.35, -7.25], [141.25, -7.0], [141.35, -6.75], [141.25, -6.5], [141.47, -5.97], [142.0, -5.75], [142.53, -5.97], [142.68, -6.32], [143.03, -6.47], [143.18, -6.82], [143.53, -6.97], [143.7, -7.37], [144.0, -7.25], [144.53, -7.47], [144.68, -7.82], [144.75, -7.85], [144.82, -7.82], [144.97, -7.47], [145.5, -7.25], [146.03, -7.47], [146.18, -7.82], [146.53, -7.97], [146.68, -8.32], [147.03, -8.47], [147.18, -8.82], [147.53, -8.97], [147.75, -9.5], [147.65, -9.75], [147.68, -9.82], [148.03, -9.97], [148.18, -10.32], [148.25, -10.35], [148.5, -10.25], [148.75, -10.35], [149.0, -10.25], [149.53, -10.47], [149.75, -11.0], [149.53, -11.53], [149.18, -11.68], [149.03, -12.03], [148.5, -12.25], [147.97, -12.03], [147.82, -11.68], [147.75, -11.65], [147.5, -11.75], [147.25, -11.65], [147.18, -11.68], [147.15, -11.75], [147.25, -12.0], [147.15, -12.25], [147.25, -12.5], [147.03, -13.03], [146.5, -13.25], [146.25, -13.15], [146.0, -13.25], [145.47, -13.03], [145.25, -12.5], [145.35, -12.25], [145.32, -12.18], [145.25, -12.15], [145.0, -12.25], [144.75, -12.15], [144.5, -12.25], [144.0, -12.04], [143.5, -12.25], [142.97, -12.03], [142.8, -11.63], [142.5, -11.75], [142.25, -11.65], [142.0, -11.75], [141.47, -11.53], [141.32, -11.18], [141.25, -11.15], [141.0, -11.25], [140.47, -11.03], [140.25, -10.5], [140.35, -10.25], [140.3, -10.13], [140.0, -10.25], [139.47, -10.03], [139.32, -9.68], [138.97, -9.53], [138.75, -9.0], [138.85, -8.75], [138.75, -8.5], [138.97, -7.97]], [[143.35, -10.75], [143.32, -10.68], [143.25, -10.65], [143.13, -10.7], [143.2, -10.87], [143.32, -10.82], [143.35, -10.75]]]]}, "2017-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.97, -7.97], [139.5, -7.75], [139.75, -7.85], [140.0, -7.75], [140.25, -7.85], [140.5, -7.75], [141.03, -7.97], [141.18, -8.32], [141.3, -8.37], [141.46, -8.0], [141.25, -7.5], [141.35, -7.25], [141.25, -7.0], [141.35, -6.75], [141.25, -6.5], [141.47, -5.97], [142.0, -5.75], [142.53, -5.97], [142.68, -6.32], [143.03, -6.47], [143.18, -6.82], [143.53, -6.97], [143.7, -7.37], [144.0, -7.25], [144.53, -7.47], [144.68, -7.82], [144.75, -7.85], [144.82, -7.82], [144.97, -7.47], [145.5, -7.25], [146.03, -7.47], [146.18, -7.82], [146.53, -7.97], [146.68, -8.32], [147.03, -8.47], [147.18, -8.82], [147.53, -8.97], [147.75, -9.5], [147.65, -9.75], [147.68, -9.82], [148.03, -9.97], [148.18, -10.32], [148.25, -10.35], [148.5, -10.25], [148.75, -10.35], [149.0, -10.25], [149.53, -10.47], [149.75, -11.0], [149.53, -11.53], [149.18, -11.68], [149.03, -12.03], [148.5, -12.25], [147.97, -12.03], [147.82, -11.68], [147.75, -11.65], [147.5, -11.75], [147.25, -11.65], [147.18, -11.68], [147.15, -11.75], [147.25, -12.0], [147.15, -12.25], [147.25, -12.5], [147.03, -13.03], [146.5, -13.25], [146.25, -13.15], [146.0, -13.25], [145.47, -13.03], [145.25, -12.5], [145.35, -12.25], [145.32, -12.18], [145.25, -12.15], [145.0, -12.25], [144.75, -12.15], [144.5, -12.25], [144.0, -12.04], [143.5, -12.25], [142.97, -12.03], [142.8, -11.63], [142.5, -11.75], [142.25, -11.65], [142.0, -11.75], [141.47, -11.53], [141.32, -11.18], [141.25, -11.15], [141.0, -11.25], [140.47, -11.03], [140.25, -10.5], [140.35, -10.25], [140.3, -10.13], [140.0, -10.25], [139.47, -10.03], [139.32, -9.68], [138.97, -9.53], [138.75, -9.0], [138.85, -8.75], [138.75, -8.5], [138.97, -7.97]], [[143.35, -10.75], [143.32, -10.68], [143.25, -10.65], [143.13, -10.7], [143.2, -10.87], [143.32, -10.82], [143.35, -10.75]]]]}, "2017-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.25, -9.0], [140.47, -8.47], [141.0, -8.25], [141.3, -8.37], [141.46, -8.0], [141.25, -7.5], [141.35, -7.25], [141.25, -7.0], [141.47, -6.47], [142.0, -6.25], [142.25, -6.35], [142.5, -6.25], [143.03, -6.47], [143.18, -6.82], [143.53, -6.97], [143.75, -7.5], [143.63, -7.8], [143.75, -7.85], [144.0, -7.75], [144.53, -7.97], [144.75, -8.5], [144.65, -8.75], [144.68, -8.82], [145.03, -8.97], [145.18, -9.32], [145.25, -9.35], [145.5, -9.25], [145.75, -9.35], [146.0, -9.25], [146.53, -9.47], [146.75, -10.0], [146.65, -10.25], [146.75, -10.5], [146.65, -10.75], [146.68, -10.82], [147.03, -10.97], [147.25, -11.5], [147.15, -11.75], [147.25, -12.0], [147.15, -12.25], [147.25, -12.5], [147.03, -13.03], [146.5, -13.25], [146.25, -13.15], [146.0, -13.25], [145.47, -13.03], [145.25, -12.5], [145.35, -12.25], [145.32, -12.18], [145.25, -12.15], [145.0, -12.25], [144.75, -12.15], [144.5, -12.25], [144.0, -12.04], [143.5, -12.25], [142.97, -12.03], [142.8, -11.63], [142.5, -11.75], [142.25, -11.65], [142.0, -11.75], [141.47, -11.53], [141.25, -11.0], [141.38, -10.7], [140.97, -10.53], [140.75, -10.0], [140.85, -9.75], [140.82, -9.68], [140.47, -9.53], [140.25, -9.0]], [[143.32, -10.82], [143.35, -10.75], [143.32, -10.68], [143.25, -10.65], [143.13, -10.7], [143.2, -10.87], [143.32, -10.82]]]]}, "2017-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.97, -9.97], [144.5, -9.75], [145.03, -9.97], [145.25, -10.5], [145.15, -10.75], [145.18, -10.82], [145.53, -10.97], [145.75, -11.5], [145.57, -11.93], [146.0, -11.75], [146.25, -11.85], [146.5, -11.75], [147.03, -11.97], [147.25, -12.5], [147.03, -13.03], [146.5, -13.25], [146.25, -13.15], [146.0, -13.25], [145.47, -13.03], [145.25, -12.5], [145.43, -12.07], [145.0, -12.25], [144.75, -12.15], [144.5, -12.25], [144.0, -12.04], [143.5, -12.25], [142.97, -12.03], [142.75, -11.5], [142.97, -10.97], [143.32, -10.82], [143.47, -10.47], [143.82, -10.32], [143.97, -9.97]]], [[[141.25, -11.0], [141.47, -10.47], [142.0, -10.25], [142.53, -10.47], [142.75, -11.0], [142.53, -11.53], [142.0, -11.75], [141.47, -11.53], [141.25, -11.0]]], [[[141.47, -6.47], [142.0, -6.25], [142.25, -6.35], [142.5, -6.25], [143.03, -6.47], [143.25, -7.0], [143.03, -7.53], [142.5, -7.75], [142.25, -7.65], [142.0, -7.75], [141.47, -7.53], [141.25, -7.0], [141.47, -6.47]]]]}, "2017-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.5, -6.25], [143.03, -6.47], [143.25, -7.0], [143.03, -7.53], [142.5, -7.75], [141.97, -7.53], [141.75, -7.0], [141.97, -6.47], [142.5, -6.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.116962409414441}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3534113876743044}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.278643285782437, 28.61965064341865, 28.35377273488251, 28.09385041978686, 28.051481396364636, 27.193829364889268]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.2087061466529, 29.35106558229944, 29.037933863560056, 28.429308531379036, 28.400379086706437, 27.193829364889268]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.262168806900847, 1.631203018537415, 1.3246397553453888, 1.0972042767882033, 1.0934798591915544, 1.1747881614594462]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9298204787900204, 2.116962409414441, 1.8437119392714294, 1.6326387695313542, 1.3059479903109832, 1.1747881614594462]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.919664744943539, 2.4389928460575847, 1.9235450654981134, 1.6263571128595529, 1.6056085971169451, 1.4332386658480138]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.81916988770147, 3.2105956644957407, 2.727577477333326, 2.2565067662097658, 2.0446087814103424, 1.4332386658480138]}}