{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:48.612429", "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": "2018-Dec-15_to_2018-Dec-19_107.0_-4.5"}, "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": 2018120002061}, "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": "December 15 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 19 2018"}, "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": 166128.30130313325}, "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": ["Indonesia"]}, "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": ["Java 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": -4.5}, "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": 107.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "107.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, -4.0], [105.97, -3.47], [106.5, -3.25], [106.75, -3.35], [107.0, -3.25], [107.25, -3.35], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.25, -3.35], [108.5, -3.25], [109.03, -3.47], [109.18, -3.82], [109.53, -3.97], [109.68, -4.32], [110.03, -4.47], [110.18, -4.82], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.25, -4.85], [111.5, -4.75], [112.03, -4.97], [112.18, -5.32], [112.53, -5.47], [112.75, -6.0], [112.53, -6.53], [112.0, -6.75], [111.75, -6.65], [111.5, -6.75], [111.25, -6.65], [111.18, -6.68], [111.03, -7.03], [110.5, -7.25], [110.0, -7.04], [109.5, -7.25], [109.25, -7.15], [109.0, -7.25], [108.47, -7.03], [108.32, -6.68], [108.25, -6.65], [108.0, -6.75], [107.47, -6.53], [107.32, -6.18], [106.97, -6.03], [106.75, -5.5], [106.85, -5.25], [106.82, -5.18], [106.47, -5.03], [106.32, -4.68], [105.97, -4.53], [105.75, -4.0]]]]}, "2018-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, -4.75], [105.25, -4.5], [105.47, -3.97], [105.82, -3.82], [105.97, -3.47], [106.5, -3.25], [106.75, -3.35], [107.0, -3.25], [107.25, -3.35], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.25, -3.35], [108.5, -3.25], [109.03, -3.47], [109.18, -3.82], [109.53, -3.97], [109.68, -4.32], [110.03, -4.47], [110.18, -4.82], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.25, -4.85], [111.5, -4.75], [112.03, -4.97], [112.18, -5.32], [112.53, -5.47], [112.75, -6.0], [112.53, -6.53], [112.0, -6.75], [111.75, -6.65], [111.5, -6.75], [111.25, -6.65], [111.18, -6.68], [111.03, -7.03], [110.5, -7.25], [110.0, -7.04], [109.5, -7.25], [109.25, -7.15], [109.0, -7.25], [108.47, -7.03], [108.32, -6.68], [108.25, -6.65], [108.0, -6.75], [107.75, -6.65], [107.68, -6.68], [107.53, -7.03], [107.0, -7.25], [106.47, -7.03], [106.25, -6.5], [106.35, -6.25], [106.32, -6.18], [106.25, -6.15], [106.0, -6.25], [105.47, -6.03], [105.25, -5.5], [105.35, -5.25], [105.25, -5.0], [105.35, -4.75]]]]}, "2018-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, -4.75], [105.25, -4.5], [105.47, -3.97], [105.82, -3.82], [105.97, -3.47], [106.5, -3.25], [106.75, -3.35], [107.0, -3.25], [107.25, -3.35], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.25, -3.35], [108.5, -3.25], [109.03, -3.47], [109.18, -3.82], [109.53, -3.97], [109.68, -4.32], [110.03, -4.47], [110.18, -4.82], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.25, -4.85], [111.5, -4.75], [112.03, -4.97], [112.18, -5.32], [112.53, -5.47], [112.75, -6.0], [112.65, -6.25], [112.75, -6.5], [112.53, -7.03], [112.0, -7.25], [111.75, -7.15], [111.68, -7.18], [111.53, -7.53], [111.0, -7.75], [110.75, -7.65], [110.5, -7.75], [109.97, -7.53], [109.8, -7.13], [109.68, -7.18], [109.53, -7.53], [109.0, -7.75], [108.47, -7.53], [108.25, -7.0], [108.03, -7.53], [107.5, -7.75], [107.25, -7.65], [107.0, -7.75], [106.47, -7.53], [106.25, -7.0], [106.35, -6.75], [106.25, -6.5], [106.35, -6.25], [106.32, -6.18], [106.25, -6.15], [106.0, -6.25], [105.47, -6.03], [105.25, -5.5], [105.35, -5.25], [105.25, -5.0], [105.35, -4.75]], [[108.35, -6.75], [108.32, -6.68], [108.25, -6.65], [108.13, -6.7], [108.25, -7.0], [108.35, -6.75]]]]}, "2018-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, -6.35], [110.82, -6.32], [110.85, -6.25], [110.75, -6.0], [110.97, -5.47], [111.5, -5.25], [112.03, -5.47], [112.18, -5.82], [112.53, -5.97], [112.75, -6.5], [112.53, -7.03], [112.0, -7.25], [111.75, -7.15], [111.68, -7.18], [111.53, -7.53], [111.0, -7.75], [110.75, -7.65], [110.5, -7.75], [109.97, -7.53], [109.75, -7.0], [109.97, -6.47], [110.5, -6.25], [110.75, -6.35]]], [[[105.25, -4.5], [105.47, -3.97], [105.82, -3.82], [105.97, -3.47], [106.5, -3.25], [106.75, -3.35], [107.0, -3.25], [107.25, -3.35], [107.5, -3.25], [108.03, -3.47], [108.25, -4.0], [108.15, -4.25], [108.25, -4.5], [108.15, -4.75], [108.18, -4.82], [108.25, -4.85], [108.5, -4.75], [109.03, -4.97], [109.18, -5.32], [109.53, -5.47], [109.75, -6.0], [109.65, -6.25], [109.75, -6.5], [109.65, -6.75], [109.75, -7.0], [109.53, -7.53], [109.0, -7.75], [108.47, -7.53], [108.25, -7.0], [108.03, -7.53], [107.5, -7.75], [107.25, -7.65], [107.0, -7.75], [106.47, -7.53], [106.25, -7.0], [106.35, -6.75], [106.25, -6.5], [106.35, -6.25], [106.32, -6.18], [106.25, -6.15], [106.0, -6.25], [105.47, -6.03], [105.25, -5.5], [105.35, -5.25], [105.25, -5.0], [105.35, -4.75], [105.25, -4.5]], [[108.35, -6.75], [108.32, -6.68], [108.25, -6.65], [108.13, -6.7], [108.25, -7.0], [108.35, -6.75]]]]}, "2018-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.25, -7.0], [106.47, -6.47], [107.0, -6.25], [107.25, -6.35], [107.5, -6.25], [108.03, -6.47], [108.25, -7.0], [108.03, -7.53], [107.5, -7.75], [107.25, -7.65], [107.0, -7.75], [106.47, -7.53], [106.25, -7.0]]], [[[109.0, -5.25], [109.53, -5.47], [109.75, -6.0], [109.54, -6.5], [109.75, -7.0], [109.53, -7.53], [109.0, -7.75], [108.47, -7.53], [108.25, -7.0], [108.46, -6.5], [108.25, -6.0], [108.47, -5.47], [109.0, -5.25]]], [[[110.82, -6.32], [110.85, -6.25], [110.75, -6.0], [110.97, -5.47], [111.5, -5.25], [112.03, -5.47], [112.18, -5.82], [112.53, -5.97], [112.75, -6.5], [112.53, -7.03], [112.0, -7.25], [111.75, -7.15], [111.68, -7.18], [111.53, -7.53], [111.0, -7.75], [110.75, -7.65], [110.5, -7.75], [109.97, -7.53], [109.75, -7.0], [109.97, -6.47], [110.5, -6.25], [110.75, -6.35], [110.82, -6.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.087201596446846}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0832414512821433}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.94687637420577, 28.074919333189314, 27.923221420633297, 27.608828340139212, 26.964173814165974]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.27105438395182, 28.736783742352486, 28.856980796049072, 28.617065834086304, 28.48591688483657]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9428393741186878, 1.1217989329466724, 1.1633460719224427, 1.032888628766358, 1.1418985563466448]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1666013356107214, 1.7371385445291594, 2.087201596446846, 1.8522284588271987, 1.990276727587343]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8565568382825026, 2.1479135471315214, 2.130589018936494, 1.8263907388845702, 1.669335719917392]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.326514836896932, 3.3464970308614888, 3.050498439810399, 3.16168037767672, 2.3108589212850528]}}