{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:38.522261", "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": "2021-Nov-04_to_2021-Nov-08_109.0_3.0"}, "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": 2021110001398}, "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": "November 04 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 08 2021"}, "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": 206289.77479304702}, "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"]}, "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": ["South China 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": 3.0}, "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": 109.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[105.47, 3.47], [105.25, 4.0], [105.35, 4.25], [105.32, 4.32], [104.97, 4.47], [104.82, 4.82], [104.47, 4.97], [104.32, 5.32], [103.97, 5.47], [103.75, 6.0], [103.85, 6.25], [103.82, 6.32], [103.47, 6.47], [103.25, 7.0], [103.47, 7.53], [104.0, 7.75], [104.25, 7.65], [104.5, 7.75], [105.03, 7.53], [105.18, 7.18], [105.53, 7.03], [105.68, 6.68], [105.75, 6.65], [106.0, 6.75], [106.25, 6.65], [106.5, 6.75], [107.03, 6.53], [107.18, 6.18], [107.25, 6.15], [107.5, 6.25], [107.75, 6.15], [108.0, 6.25], [108.25, 6.15], [108.32, 6.18], [108.47, 6.53], [108.82, 6.68], [108.97, 7.03], [109.5, 7.25], [109.75, 7.15], [110.0, 7.25], [110.25, 7.15], [110.5, 7.25], [111.03, 7.03], [111.18, 6.68], [111.25, 6.65], [111.5, 6.75], [112.03, 6.53], [112.25, 6.0], [112.15, 5.75], [112.18, 5.68], [112.53, 5.53], [112.75, 5.0], [112.53, 4.47], [112.18, 4.32], [112.03, 3.97], [111.5, 3.75], [110.97, 3.97], [110.82, 4.32], [110.75, 4.35], [110.5, 4.25], [110.25, 4.35], [110.0, 4.25], [109.75, 4.35], [109.68, 4.32], [109.65, 4.25], [109.75, 4.0], [109.65, 3.75], [109.75, 3.5], [109.65, 3.25], [109.75, 3.0], [109.53, 2.47], [109.0, 2.25], [108.75, 2.35], [108.68, 2.32], [108.65, 2.25], [108.75, 2.0], [108.53, 1.47], [108.0, 1.25], [107.75, 1.35], [107.5, 1.25], [106.97, 1.47], [106.82, 1.82], [106.47, 1.97], [106.32, 2.32], [105.97, 2.47], [105.75, 3.0], [105.88, 3.3], [105.47, 3.47]], [[107.25, 3.15], [107.5, 3.25], [107.75, 3.15], [107.82, 3.18], [107.85, 3.25], [107.82, 3.32], [107.47, 3.47], [107.32, 3.82], [107.25, 3.85], [107.18, 3.82], [107.04, 3.5], [107.18, 3.18], [107.25, 3.15]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 5.75], [105.25, 6.0], [105.47, 6.53], [106.0, 6.75], [106.53, 6.53], [106.75, 6.0], [106.65, 5.75], [106.68, 5.68], [106.8, 5.63], [106.97, 6.03], [107.5, 6.25], [107.75, 6.15], [108.0, 6.25], [108.25, 6.15], [108.32, 6.18], [108.47, 6.53], [108.82, 6.68], [108.97, 7.03], [109.5, 7.25], [109.75, 7.15], [110.0, 7.25], [110.25, 7.15], [110.5, 7.25], [111.03, 7.03], [111.18, 6.68], [111.25, 6.65], [111.5, 6.75], [112.03, 6.53], [112.25, 6.0], [112.15, 5.75], [112.18, 5.68], [112.53, 5.53], [112.75, 5.0], [112.53, 4.47], [112.18, 4.32], [112.03, 3.97], [111.5, 3.75], [110.97, 3.97], [110.82, 4.32], [110.75, 4.35], [110.5, 4.25], [110.25, 4.35], [110.0, 4.25], [109.75, 4.35], [109.5, 4.25], [108.97, 4.47], [108.82, 4.82], [108.75, 4.85], [108.5, 4.75], [108.25, 4.85], [108.0, 4.75], [107.75, 4.85], [107.5, 4.75], [107.2, 4.87], [107.15, 4.75], [107.25, 4.5], [107.03, 3.97], [106.5, 3.75], [105.97, 3.97], [105.82, 4.32], [105.47, 4.47], [105.25, 5.0], [105.35, 5.25], [105.25, 5.5], [105.35, 5.75]]], [[[104.5, 6.25], [103.97, 6.47], [103.75, 7.0], [103.97, 7.53], [104.5, 7.75], [105.03, 7.53], [105.25, 7.0], [105.03, 6.47], [104.5, 6.25]]]]}, "2021-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, 6.47], [103.25, 7.0], [103.47, 7.53], [104.0, 7.75], [104.25, 7.65], [104.5, 7.75], [105.03, 7.53], [105.18, 7.18], [105.53, 7.03], [105.68, 6.68], [105.75, 6.65], [106.0, 6.75], [106.25, 6.65], [106.5, 6.75], [107.03, 6.53], [107.18, 6.18], [107.25, 6.15], [107.5, 6.25], [107.75, 6.15], [108.0, 6.25], [108.25, 6.15], [108.32, 6.18], [108.47, 6.53], [108.82, 6.68], [108.97, 7.03], [109.5, 7.25], [109.75, 7.15], [110.0, 7.25], [110.25, 7.15], [110.5, 7.25], [111.03, 7.03], [111.18, 6.68], [111.25, 6.65], [111.5, 6.75], [112.03, 6.53], [112.25, 6.0], [112.15, 5.75], [112.18, 5.68], [112.53, 5.53], [112.75, 5.0], [112.53, 4.47], [112.18, 4.32], [112.03, 3.97], [111.5, 3.75], [110.97, 3.97], [110.82, 4.32], [110.75, 4.35], [110.5, 4.25], [110.25, 4.35], [110.0, 4.25], [109.75, 4.35], [109.68, 4.32], [109.65, 4.25], [109.75, 4.0], [109.65, 3.75], [109.75, 3.5], [109.65, 3.25], [109.75, 3.0], [109.53, 2.47], [109.0, 2.25], [108.75, 2.35], [108.68, 2.32], [108.65, 2.25], [108.75, 2.0], [108.53, 1.47], [108.0, 1.25], [107.47, 1.47], [107.32, 1.82], [106.97, 1.97], [106.75, 2.5], [106.97, 3.03], [107.5, 3.25], [107.75, 3.15], [107.82, 3.18], [107.85, 3.25], [107.82, 3.32], [107.47, 3.47], [107.32, 3.82], [107.25, 3.85], [107.18, 3.82], [107.03, 3.47], [106.5, 3.25], [106.25, 3.35], [106.0, 3.25], [105.47, 3.47], [105.25, 4.0], [105.35, 4.25], [105.32, 4.32], [104.97, 4.47], [104.82, 4.82], [104.47, 4.97], [104.32, 5.32], [103.97, 5.47], [103.75, 6.0], [103.85, 6.25], [103.82, 6.32], [103.47, 6.47]]]]}, "2021-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, 6.47], [103.25, 7.0], [103.47, 7.53], [104.0, 7.75], [104.25, 7.65], [104.5, 7.75], [105.03, 7.53], [105.18, 7.18], [105.53, 7.03], [105.68, 6.68], [105.75, 6.65], [106.0, 6.75], [106.25, 6.65], [106.5, 6.75], [107.03, 6.53], [107.18, 6.18], [107.25, 6.15], [107.5, 6.25], [107.75, 6.15], [108.0, 6.25], [108.25, 6.15], [108.32, 6.18], [108.47, 6.53], [108.82, 6.68], [108.97, 7.03], [109.5, 7.25], [109.75, 7.15], [110.0, 7.25], [110.25, 7.15], [110.5, 7.25], [111.03, 7.03], [111.18, 6.68], [111.25, 6.65], [111.5, 6.75], [112.03, 6.53], [112.25, 6.0], [112.15, 5.75], [112.18, 5.68], [112.53, 5.53], [112.75, 5.0], [112.53, 4.47], [112.18, 4.32], [112.03, 3.97], [111.5, 3.75], [110.97, 3.97], [110.82, 4.32], [110.75, 4.35], [110.5, 4.25], [110.25, 4.35], [110.0, 4.25], [109.75, 4.35], [109.68, 4.32], [109.65, 4.25], [109.75, 4.0], [109.65, 3.75], [109.75, 3.5], [109.65, 3.25], [109.75, 3.0], [109.53, 2.47], [109.0, 2.25], [108.75, 2.35], [108.68, 2.32], [108.65, 2.25], [108.75, 2.0], [108.53, 1.47], [108.0, 1.25], [107.75, 1.35], [107.5, 1.25], [106.97, 1.47], [106.82, 1.82], [106.47, 1.97], [106.32, 2.32], [105.97, 2.47], [105.75, 3.0], [105.88, 3.3], [105.47, 3.47], [105.25, 4.0], [105.35, 4.25], [105.32, 4.32], [104.97, 4.47], [104.82, 4.82], [104.47, 4.97], [104.32, 5.32], [103.97, 5.47], [103.75, 6.0], [103.85, 6.25], [103.82, 6.32], [103.47, 6.47]], [[107.25, 3.85], [107.18, 3.82], [107.04, 3.5], [107.18, 3.18], [107.25, 3.15], [107.5, 3.25], [107.75, 3.15], [107.82, 3.18], [107.85, 3.25], [107.82, 3.32], [107.47, 3.47], [107.32, 3.82], [107.25, 3.85]]]]}, "2021-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, 6.47], [103.25, 7.0], [103.47, 7.53], [104.0, 7.75], [104.25, 7.65], [104.5, 7.75], [105.03, 7.53], [105.18, 7.18], [105.53, 7.03], [105.68, 6.68], [105.75, 6.65], [106.0, 6.75], [106.25, 6.65], [106.5, 6.75], [107.03, 6.53], [107.18, 6.18], [107.25, 6.15], [107.5, 6.25], [107.75, 6.15], [108.0, 6.25], [108.25, 6.15], [108.32, 6.18], [108.47, 6.53], [108.82, 6.68], [108.97, 7.03], [109.5, 7.25], [109.75, 7.15], [110.0, 7.25], [110.25, 7.15], [110.5, 7.25], [111.03, 7.03], [111.18, 6.68], [111.25, 6.65], [111.5, 6.75], [112.03, 6.53], [112.25, 6.0], [112.15, 5.75], [112.25, 5.5], [112.03, 4.97], [111.68, 4.82], [111.53, 4.47], [111.0, 4.25], [110.75, 4.35], [110.5, 4.25], [110.25, 4.35], [110.0, 4.25], [109.75, 4.35], [109.68, 4.32], [109.65, 4.25], [109.75, 4.0], [109.65, 3.75], [109.75, 3.5], [109.65, 3.25], [109.75, 3.0], [109.53, 2.47], [109.0, 2.25], [108.75, 2.35], [108.68, 2.32], [108.65, 2.25], [108.75, 2.0], [108.53, 1.47], [108.0, 1.25], [107.75, 1.35], [107.5, 1.25], [106.97, 1.47], [106.82, 1.82], [106.47, 1.97], [106.32, 2.32], [105.97, 2.47], [105.75, 3.0], [105.88, 3.3], [105.47, 3.47], [105.25, 4.0], [105.35, 4.25], [105.32, 4.32], [104.97, 4.47], [104.82, 4.82], [104.47, 4.97], [104.32, 5.32], [103.97, 5.47], [103.75, 6.0], [103.85, 6.25], [103.82, 6.32], [103.47, 6.47]], [[107.25, 3.85], [107.18, 3.82], [107.04, 3.5], [107.18, 3.18], [107.25, 3.15], [107.5, 3.25], [107.75, 3.15], [107.82, 3.18], [107.85, 3.25], [107.82, 3.32], [107.47, 3.47], [107.32, 3.82], [107.25, 3.85]]]]}, "2021-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.97, 2.47], [105.75, 3.0], [105.97, 3.53], [106.5, 3.75], [107.03, 3.53], [107.18, 3.18], [107.25, 3.15], [107.5, 3.25], [107.75, 3.15], [107.82, 3.18], [107.85, 3.25], [107.82, 3.32], [107.47, 3.47], [107.32, 3.82], [106.97, 3.97], [106.75, 4.5], [106.93, 4.93], [106.5, 4.75], [105.97, 4.97], [105.75, 5.5], [105.97, 6.03], [106.5, 6.25], [107.03, 6.03], [107.25, 5.5], [107.07, 5.07], [107.32, 5.18], [107.47, 5.53], [108.0, 5.75], [108.25, 5.65], [108.5, 5.75], [108.75, 5.65], [109.0, 5.75], [109.25, 5.65], [109.5, 5.75], [110.03, 5.53], [110.25, 5.0], [110.03, 4.47], [109.68, 4.32], [109.65, 4.25], [109.75, 4.0], [109.65, 3.75], [109.75, 3.5], [109.65, 3.25], [109.75, 3.0], [109.53, 2.47], [109.0, 2.25], [108.75, 2.35], [108.68, 2.32], [108.65, 2.25], [108.75, 2.0], [108.53, 1.47], [108.0, 1.25], [107.75, 1.35], [107.5, 1.25], [106.97, 1.47], [106.82, 1.82], [106.47, 1.97], [106.32, 2.32], [105.97, 2.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7291349201375965}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.105427968406958}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.680278743189774, 27.825837153490568, 27.99442845108598, 27.864072312551116, 28.082362608315805]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.913967502409548, 28.609567467641057, 28.43008909446411, 28.240197741798454, 28.656070152438986]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9061057908233896, 1.0665696097922694, 1.2205126424647008, 1.073360932278872, 1.2240141162066065]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.14113617872124, 1.7046690997117935, 1.6534074485980454, 1.495466094331448, 1.7291349201375965]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.638440720168394, 1.9037335359391927, 2.212503678994405, 1.95505538253555, 2.1647392245504746]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1191217823933726, 2.9828394595654864, 2.9499569529352776, 2.7632052900445023, 3.0224342415661436]}}