{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:00.111377", "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-Oct-20_to_2021-Oct-30_105.5_-8.5"}, "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": 2021100002026}, "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": "October 20 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 30 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 159145.15010700337}, "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": ["Indian Ocean", "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": -8.5}, "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": 105.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 110.25}, "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": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.47, -6.47], [106.0, -6.25], [106.53, -6.47], [106.68, -6.82], [107.03, -6.97], [107.25, -7.5], [107.03, -8.03], [106.5, -8.25], [106.25, -8.15], [106.0, -8.25], [105.47, -8.03], [105.25, -7.5], [105.35, -7.25], [105.25, -7.0], [105.47, -6.47]]]]}, "2021-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.47, -6.47], [106.0, -6.25], [106.53, -6.47], [106.68, -6.82], [107.03, -6.97], [107.25, -7.5], [107.03, -8.03], [106.5, -8.25], [106.25, -8.15], [106.0, -8.25], [105.47, -8.03], [105.25, -7.5], [105.35, -7.25], [105.25, -7.0], [105.47, -6.47]]]]}, "2021-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.25, -9.5], [105.47, -8.97], [106.0, -8.75], [106.25, -8.85], [106.5, -8.75], [107.03, -8.97], [107.25, -9.5], [107.03, -10.03], [106.5, -10.25], [106.25, -10.15], [106.0, -10.25], [105.47, -10.03], [105.25, -9.5]]], [[[106.0, -6.25], [106.53, -6.47], [106.68, -6.82], [106.75, -6.85], [107.0, -6.75], [107.25, -6.85], [107.5, -6.75], [108.03, -6.97], [108.25, -7.5], [108.03, -8.03], [107.5, -8.25], [107.25, -8.15], [107.0, -8.25], [106.75, -8.15], [106.5, -8.25], [106.25, -8.15], [106.0, -8.25], [105.47, -8.03], [105.25, -7.5], [105.35, -7.25], [105.25, -7.0], [105.47, -6.47], [106.0, -6.25]]]]}, "2021-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.85, -7.25], [103.75, -7.0], [103.97, -6.47], [104.32, -6.32], [104.47, -5.97], [104.82, -5.82], [104.97, -5.47], [105.5, -5.25], [106.03, -5.47], [106.25, -6.0], [106.15, -6.25], [106.18, -6.32], [106.53, -6.47], [106.68, -6.82], [106.75, -6.85], [107.0, -6.75], [107.25, -6.85], [107.5, -6.75], [108.03, -6.97], [108.18, -7.32], [108.25, -7.35], [108.5, -7.25], [108.75, -7.35], [109.0, -7.25], [109.25, -7.35], [109.5, -7.25], [109.75, -7.35], [110.0, -7.25], [110.53, -7.47], [110.75, -8.0], [110.65, -8.25], [110.75, -8.5], [110.53, -9.03], [110.0, -9.25], [109.75, -9.15], [109.5, -9.25], [109.25, -9.15], [109.0, -9.25], [108.75, -9.15], [108.5, -9.25], [108.25, -9.15], [108.0, -9.25], [107.75, -9.15], [107.68, -9.18], [107.53, -9.53], [107.18, -9.68], [107.03, -10.03], [106.5, -10.25], [106.25, -10.15], [106.0, -10.25], [105.75, -10.15], [105.5, -10.25], [105.25, -10.15], [105.0, -10.25], [104.47, -10.03], [104.32, -9.68], [103.97, -9.53], [103.75, -9.0], [103.96, -8.5], [103.75, -8.0], [103.85, -7.75], [103.75, -7.5], [103.85, -7.25]]]]}, "2021-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, -6.97], [103.82, -6.82], [103.85, -6.75], [103.75, -6.5], [103.97, -5.97], [104.5, -5.75], [104.75, -5.85], [104.82, -5.82], [104.97, -5.47], [105.32, -5.32], [105.47, -4.97], [106.0, -4.75], [106.53, -4.97], [106.75, -5.5], [106.53, -6.03], [106.18, -6.18], [106.15, -6.25], [106.18, -6.32], [106.53, -6.47], [106.68, -6.82], [106.75, -6.85], [107.0, -6.75], [107.25, -6.85], [107.5, -6.75], [108.03, -6.97], [108.18, -7.32], [108.25, -7.35], [108.5, -7.25], [108.75, -7.35], [109.0, -7.25], [109.25, -7.35], [109.5, -7.25], [109.75, -7.35], [110.0, -7.25], [110.53, -7.47], [110.75, -8.0], [110.65, -8.25], [110.75, -8.5], [110.53, -9.03], [110.0, -9.25], [109.75, -9.15], [109.5, -9.25], [109.25, -9.15], [109.0, -9.25], [108.75, -9.15], [108.5, -9.25], [108.25, -9.15], [108.0, -9.25], [107.75, -9.15], [107.68, -9.18], [107.53, -9.53], [107.18, -9.68], [107.03, -10.03], [106.5, -10.25], [106.25, -10.15], [106.0, -10.25], [105.75, -10.15], [105.5, -10.25], [105.25, -10.15], [105.0, -10.25], [104.47, -10.03], [104.32, -9.68], [103.97, -9.53], [103.75, -9.0], [103.85, -8.75], [103.82, -8.68], [103.47, -8.53], [103.25, -8.0], [103.35, -7.75], [103.25, -7.5], [103.47, -6.97]]]]}, "2021-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, -6.97], [103.82, -6.82], [103.85, -6.75], [103.75, -6.5], [103.97, -5.97], [104.5, -5.75], [104.75, -5.85], [104.82, -5.82], [104.97, -5.47], [105.32, -5.32], [105.47, -4.97], [106.0, -4.75], [106.53, -4.97], [106.75, -5.5], [106.53, -6.03], [106.18, -6.18], [106.15, -6.25], [106.25, -6.5], [106.15, -6.75], [106.18, -6.82], [106.53, -6.97], [106.68, -7.32], [106.75, -7.35], [107.0, -7.25], [107.25, -7.35], [107.5, -7.25], [107.75, -7.35], [108.0, -7.25], [108.25, -7.35], [108.5, -7.25], [108.75, -7.35], [109.0, -7.25], [109.25, -7.35], [109.5, -7.25], [109.75, -7.35], [110.0, -7.25], [110.53, -7.47], [110.75, -8.0], [110.65, -8.25], [110.75, -8.5], [110.53, -9.03], [110.0, -9.25], [109.75, -9.15], [109.5, -9.25], [109.25, -9.15], [109.0, -9.25], [108.75, -9.15], [108.5, -9.25], [108.25, -9.15], [108.0, -9.25], [107.75, -9.15], [107.68, -9.18], [107.53, -9.53], [107.0, -9.75], [106.75, -9.65], [106.5, -9.75], [106.25, -9.65], [106.18, -9.68], [106.03, -10.03], [105.5, -10.25], [105.25, -10.15], [105.0, -10.25], [104.47, -10.03], [104.32, -9.68], [103.97, -9.53], [103.75, -9.0], [103.85, -8.75], [103.82, -8.68], [103.47, -8.53], [103.25, -8.0], [103.35, -7.75], [103.25, -7.5], [103.47, -6.97]]]]}, "2021-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, -6.97], [103.82, -6.82], [103.85, -6.75], [103.75, -6.5], [103.97, -5.97], [104.5, -5.75], [104.75, -5.85], [104.82, -5.82], [104.97, -5.47], [105.32, -5.32], [105.47, -4.97], [106.0, -4.75], [106.53, -4.97], [106.75, -5.5], [106.53, -6.03], [106.18, -6.18], [106.15, -6.25], [106.25, -6.5], [106.15, -6.75], [106.18, -6.82], [106.25, -6.85], [106.5, -6.75], [107.03, -6.97], [107.18, -7.32], [107.25, -7.35], [107.5, -7.25], [107.75, -7.35], [108.0, -7.25], [108.25, -7.35], [108.5, -7.25], [108.75, -7.35], [109.0, -7.25], [109.25, -7.35], [109.5, -7.25], [109.75, -7.35], [110.0, -7.25], [110.53, -7.47], [110.75, -8.0], [110.65, -8.25], [110.75, -8.5], [110.53, -9.03], [110.0, -9.25], [109.75, -9.15], [109.5, -9.25], [109.25, -9.15], [109.0, -9.25], [108.75, -9.15], [108.5, -9.25], [108.25, -9.15], [108.0, -9.25], [107.75, -9.15], [107.68, -9.18], [107.53, -9.53], [107.0, -9.75], [106.75, -9.65], [106.5, -9.75], [106.25, -9.65], [106.18, -9.68], [106.03, -10.03], [105.5, -10.25], [105.25, -10.15], [105.0, -10.25], [104.47, -10.03], [104.32, -9.68], [103.97, -9.53], [103.75, -9.0], [103.85, -8.75], [103.82, -8.68], [103.47, -8.53], [103.25, -8.0], [103.35, -7.75], [103.25, -7.5], [103.47, -6.97]]]]}, "2021-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, -6.47], [104.5, -6.25], [104.75, -6.35], [105.0, -6.25], [105.25, -6.35], [105.5, -6.25], [106.03, -6.47], [106.18, -6.82], [106.25, -6.85], [106.5, -6.75], [107.03, -6.97], [107.25, -7.5], [107.15, -7.75], [107.18, -7.82], [107.53, -7.97], [107.75, -8.5], [107.65, -8.75], [107.75, -9.0], [107.53, -9.53], [107.0, -9.75], [106.75, -9.65], [106.5, -9.75], [106.25, -9.65], [106.18, -9.68], [106.03, -10.03], [105.5, -10.25], [105.25, -10.15], [105.0, -10.25], [104.47, -10.03], [104.25, -9.5], [104.47, -8.97], [104.82, -8.82], [104.85, -8.75], [104.82, -8.68], [104.47, -8.53], [104.32, -8.18], [103.97, -8.03], [103.75, -7.5], [103.85, -7.25], [103.75, -7.0], [103.97, -6.47]]]]}, "2021-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, -6.47], [104.5, -6.25], [104.75, -6.35], [105.0, -6.25], [105.25, -6.35], [105.5, -6.25], [106.03, -6.47], [106.2, -6.87], [106.5, -6.75], [107.03, -6.97], [107.25, -7.5], [107.03, -8.03], [106.68, -8.18], [106.65, -8.25], [106.75, -8.5], [106.65, -8.75], [106.75, -9.0], [106.53, -9.53], [106.0, -9.75], [105.47, -9.53], [105.32, -9.18], [105.25, -9.15], [105.0, -9.25], [104.47, -9.03], [104.25, -8.5], [104.35, -8.25], [104.32, -8.18], [103.97, -8.03], [103.75, -7.5], [103.85, -7.25], [103.75, -7.0], [103.97, -6.47]]]]}, "2021-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, -6.47], [104.5, -6.25], [104.75, -6.35], [105.0, -6.25], [105.25, -6.35], [105.5, -6.25], [106.03, -6.47], [106.2, -6.87], [106.5, -6.75], [107.03, -6.97], [107.25, -7.5], [107.03, -8.03], [106.68, -8.18], [106.65, -8.25], [106.75, -8.5], [106.53, -9.03], [106.0, -9.25], [105.75, -9.15], [105.5, -9.25], [105.25, -9.15], [105.0, -9.25], [104.47, -9.03], [104.25, -8.5], [104.35, -8.25], [104.32, -8.18], [103.97, -8.03], [103.75, -7.5], [103.85, -7.25], [103.75, -7.0], [103.97, -6.47]]]]}, "2021-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.75, -7.5], [103.97, -6.97], [104.32, -6.82], [104.47, -6.47], [105.0, -6.25], [105.25, -6.35], [105.5, -6.25], [106.03, -6.47], [106.2, -6.87], [106.5, -6.75], [107.03, -6.97], [107.25, -7.5], [107.03, -8.03], [106.68, -8.18], [106.65, -8.25], [106.75, -8.5], [106.53, -9.03], [106.0, -9.25], [105.75, -9.15], [105.5, -9.25], [105.25, -9.15], [105.0, -9.25], [104.47, -9.03], [104.25, -8.5], [104.35, -8.25], [104.32, -8.18], [103.97, -8.03], [103.75, -7.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4386355451302961}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8512917506384513}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.123378578842278, 26.90775420957442, 26.388963455223916, 26.872407783052665, 27.1308015450208, 27.00775773867798, 27.350372409849626, 27.01332102047968, 26.99359209615227, 27.222281755207234, 27.125794039345465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.287871895719093, 27.19723733379425, 26.98673611515875, 27.690867965325538, 28.151574819998075, 28.41112267189459, 28.08776145844331, 27.223154448758578, 27.341514296459422, 27.855486849619865, 27.442922542802705]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2317616211194224, 1.0026279942690621, 0.7333166172781814, 0.7458408841190718, 0.9434945982817956, 0.7289422942197027, 1.0641597204560174, 0.7289625924640859, 0.6787603789354867, 0.8930648719169009, 0.8011283425124599]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.365241635483926, 1.1790717829603636, 0.9506029716636704, 1.183374323275757, 1.2814892082939195, 1.0447646457009796, 1.4386355451302961, 0.9530048030209741, 0.8354224060437332, 1.3642854190870821, 1.1212621097029682]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8845456279194732, 1.5829192021256222, 1.367049010311144, 1.5464452821672685, 1.9990375723939875, 1.5240929557456613, 2.2507402791750897, 1.582474278472059, 1.4647192953892154, 1.8682108408964986, 1.6829989229632731]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9823413279301332, 1.9031649596292926, 1.5858203686791237, 2.23458716329603, 2.650938131799538, 1.9511942709815382, 3.1865357388915845, 2.248177305375824, 1.749024340600241, 2.7948844914103974, 2.195137653489703]}}