{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:31.886412", "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": "2024-Oct-13_to_2024-Oct-18_110.5_36.5"}, "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": 2024100001605}, "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 13 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 18 2024"}, "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": 211948.22759806213}, "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": ["China"]}, "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": []}, "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": 36.5}, "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": 110.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[106.25, 34.5], [106.38, 34.8], [105.97, 34.97], [105.82, 35.32], [105.47, 35.47], [105.25, 36.0], [105.47, 36.53], [105.82, 36.68], [105.97, 37.03], [106.32, 37.18], [106.47, 37.53], [106.82, 37.68], [106.97, 38.03], [107.5, 38.25], [106.97, 38.47], [106.75, 39.0], [106.97, 39.53], [107.5, 39.75], [107.75, 39.65], [108.0, 39.75], [108.25, 39.65], [108.5, 39.75], [109.03, 39.53], [109.18, 39.18], [109.25, 39.15], [109.32, 39.18], [109.35, 39.25], [109.25, 39.5], [109.47, 40.03], [110.0, 40.25], [110.53, 40.03], [110.75, 39.5], [110.65, 39.25], [110.75, 39.0], [110.65, 38.75], [110.75, 38.5], [110.97, 39.03], [111.5, 39.25], [112.03, 39.03], [112.25, 38.5], [112.15, 38.25], [112.18, 38.18], [112.25, 38.15], [112.5, 38.25], [113.03, 38.03], [113.18, 37.68], [113.53, 37.53], [113.75, 37.0], [113.65, 36.75], [113.75, 36.5], [113.65, 36.25], [113.75, 36.0], [113.65, 35.75], [113.75, 35.5], [113.65, 35.25], [113.75, 35.0], [113.53, 34.47], [113.0, 34.25], [112.5, 34.46], [112.0, 34.25], [111.5, 34.46], [111.0, 34.25], [110.47, 34.47], [110.25, 35.0], [110.35, 35.25], [110.32, 35.32], [110.25, 35.35], [110.0, 35.25], [109.75, 35.35], [109.68, 35.32], [109.53, 34.97], [109.18, 34.82], [109.13, 34.7], [109.25, 34.65], [109.5, 34.75], [110.03, 34.53], [110.25, 34.0], [110.15, 33.75], [110.18, 33.68], [110.53, 33.53], [110.75, 33.0], [110.65, 32.75], [110.75, 32.5], [110.53, 31.97], [110.0, 31.75], [109.47, 31.97], [109.32, 32.32], [109.25, 32.35], [109.0, 32.25], [108.47, 32.47], [108.32, 32.82], [107.97, 32.97], [107.82, 33.32], [107.75, 33.35], [107.5, 33.25], [107.25, 33.35], [107.0, 33.25], [106.47, 33.47], [106.25, 34.0], [106.35, 34.25], [106.25, 34.5]], [[108.03, 38.03], [108.18, 37.68], [108.25, 37.65], [108.32, 37.68], [108.46, 38.0], [108.32, 38.32], [108.25, 38.35], [108.0, 38.25], [107.75, 38.35], [107.5, 38.25], [108.03, 38.03]], [[110.53, 37.97], [110.18, 37.82], [110.15, 37.75], [110.18, 37.68], [110.25, 37.65], [110.5, 37.75], [110.75, 37.65], [110.82, 37.68], [110.85, 37.75], [110.75, 38.0], [110.85, 38.25], [110.75, 38.5], [110.53, 37.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.0, 33.25], [106.47, 33.47], [106.25, 34.0], [106.47, 34.53], [107.0, 34.75], [107.53, 34.53], [107.75, 34.0], [107.53, 33.47], [107.0, 33.25]]], [[[108.47, 39.03], [109.0, 39.25], [109.53, 39.03], [109.75, 38.5], [109.54, 38.0], [109.75, 37.5], [109.53, 36.97], [109.0, 36.75], [108.47, 36.97], [108.25, 37.5], [108.46, 38.0], [108.25, 38.5], [108.47, 39.03]]]]}, "2024-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.47, 35.47], [105.25, 36.0], [105.47, 36.53], [105.82, 36.68], [105.97, 37.03], [106.32, 37.18], [106.47, 37.53], [107.0, 37.75], [107.25, 37.65], [107.5, 37.75], [107.75, 37.65], [108.0, 37.75], [108.25, 37.65], [108.32, 37.68], [108.46, 38.0], [108.32, 38.32], [108.25, 38.35], [108.0, 38.25], [107.47, 38.47], [107.25, 39.0], [107.47, 39.53], [108.0, 39.75], [108.25, 39.65], [108.5, 39.75], [109.03, 39.53], [109.18, 39.18], [109.25, 39.15], [109.32, 39.18], [109.35, 39.25], [109.25, 39.5], [109.47, 40.03], [110.0, 40.25], [110.53, 40.03], [110.75, 39.5], [110.65, 39.25], [110.75, 39.0], [110.65, 38.75], [110.75, 38.5], [110.97, 39.03], [111.5, 39.25], [112.03, 39.03], [112.25, 38.5], [112.15, 38.25], [112.18, 38.18], [112.25, 38.15], [112.5, 38.25], [113.03, 38.03], [113.18, 37.68], [113.53, 37.53], [113.75, 37.0], [113.65, 36.75], [113.75, 36.5], [113.65, 36.25], [113.75, 36.0], [113.65, 35.75], [113.75, 35.5], [113.65, 35.25], [113.75, 35.0], [113.53, 34.47], [113.0, 34.25], [112.5, 34.46], [112.0, 34.25], [111.5, 34.46], [111.0, 34.25], [110.47, 34.47], [110.25, 35.0], [110.35, 35.25], [110.32, 35.32], [110.25, 35.35], [110.0, 35.25], [109.75, 35.35], [109.68, 35.32], [109.53, 34.97], [109.18, 34.82], [109.13, 34.7], [109.25, 34.65], [109.5, 34.75], [110.03, 34.53], [110.25, 34.0], [110.15, 33.75], [110.18, 33.68], [110.53, 33.53], [110.75, 33.0], [110.65, 32.75], [110.75, 32.5], [110.53, 31.97], [110.0, 31.75], [109.47, 31.97], [109.32, 32.32], [109.25, 32.35], [109.0, 32.25], [108.47, 32.47], [108.32, 32.82], [107.97, 32.97], [107.82, 33.32], [107.75, 33.35], [107.5, 33.25], [107.25, 33.35], [107.0, 33.25], [106.47, 33.47], [106.25, 34.0], [106.35, 34.25], [106.25, 34.5], [106.38, 34.8], [105.97, 34.97], [105.82, 35.32], [105.47, 35.47]], [[110.53, 37.97], [110.18, 37.82], [110.15, 37.75], [110.18, 37.68], [110.25, 37.65], [110.5, 37.75], [110.75, 37.65], [110.82, 37.68], [110.85, 37.75], [110.75, 38.0], [110.85, 38.25], [110.75, 38.5], [110.53, 37.97]]]]}, "2024-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.47, 35.47], [105.25, 36.0], [105.47, 36.53], [105.82, 36.68], [105.97, 37.03], [106.32, 37.18], [106.47, 37.53], [106.82, 37.68], [106.97, 38.03], [107.5, 38.25], [106.97, 38.47], [106.75, 39.0], [106.97, 39.53], [107.5, 39.75], [107.75, 39.65], [108.0, 39.75], [108.25, 39.65], [108.5, 39.75], [109.03, 39.53], [109.18, 39.18], [109.25, 39.15], [109.32, 39.18], [109.35, 39.25], [109.25, 39.5], [109.47, 40.03], [110.0, 40.25], [110.53, 40.03], [110.75, 39.5], [110.65, 39.25], [110.75, 39.0], [110.65, 38.75], [110.75, 38.5], [110.97, 39.03], [111.5, 39.25], [112.03, 39.03], [112.25, 38.5], [112.15, 38.25], [112.18, 38.18], [112.25, 38.15], [112.5, 38.25], [113.03, 38.03], [113.18, 37.68], [113.53, 37.53], [113.75, 37.0], [113.65, 36.75], [113.75, 36.5], [113.65, 36.25], [113.75, 36.0], [113.65, 35.75], [113.75, 35.5], [113.65, 35.25], [113.75, 35.0], [113.53, 34.47], [113.0, 34.25], [112.5, 34.46], [112.0, 34.25], [111.5, 34.46], [111.0, 34.25], [110.47, 34.47], [110.25, 35.0], [110.35, 35.25], [110.32, 35.32], [110.25, 35.35], [110.0, 35.25], [109.75, 35.35], [109.68, 35.32], [109.53, 34.97], [109.18, 34.82], [109.13, 34.7], [109.25, 34.65], [109.5, 34.75], [110.03, 34.53], [110.25, 34.0], [110.15, 33.75], [110.18, 33.68], [110.53, 33.53], [110.75, 33.0], [110.65, 32.75], [110.75, 32.5], [110.53, 31.97], [110.0, 31.75], [109.47, 31.97], [109.32, 32.32], [109.25, 32.35], [109.0, 32.25], [108.47, 32.47], [108.32, 32.82], [107.97, 32.97], [107.82, 33.32], [107.75, 33.35], [107.5, 33.25], [107.25, 33.35], [107.0, 33.25], [106.47, 33.47], [106.25, 34.0], [106.35, 34.25], [106.25, 34.5], [106.38, 34.8], [105.97, 34.97], [105.82, 35.32], [105.47, 35.47]], [[108.03, 38.03], [108.18, 37.68], [108.25, 37.65], [108.32, 37.68], [108.46, 38.0], [108.32, 38.32], [108.25, 38.35], [108.0, 38.25], [107.75, 38.35], [107.5, 38.25], [108.03, 38.03]], [[110.53, 37.97], [110.18, 37.82], [110.15, 37.75], [110.18, 37.68], [110.25, 37.65], [110.5, 37.75], [110.75, 37.65], [110.82, 37.68], [110.85, 37.75], [110.75, 38.0], [110.85, 38.25], [110.75, 38.5], [110.53, 37.97]]]]}, "2024-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.47, 35.47], [105.25, 36.0], [105.47, 36.53], [105.82, 36.68], [105.97, 37.03], [106.32, 37.18], [106.47, 37.53], [106.82, 37.68], [106.97, 38.03], [107.5, 38.25], [106.97, 38.47], [106.75, 39.0], [106.97, 39.53], [107.5, 39.75], [107.75, 39.65], [108.0, 39.75], [108.25, 39.65], [108.5, 39.75], [109.03, 39.53], [109.18, 39.18], [109.25, 39.15], [109.32, 39.18], [109.35, 39.25], [109.25, 39.5], [109.47, 40.03], [110.0, 40.25], [110.53, 40.03], [110.75, 39.5], [110.65, 39.25], [110.75, 39.0], [110.65, 38.75], [110.75, 38.5], [110.97, 39.03], [111.5, 39.25], [112.03, 39.03], [112.25, 38.5], [112.15, 38.25], [112.18, 38.18], [112.25, 38.15], [112.5, 38.25], [113.03, 38.03], [113.18, 37.68], [113.53, 37.53], [113.75, 37.0], [113.65, 36.75], [113.75, 36.5], [113.65, 36.25], [113.75, 36.0], [113.65, 35.75], [113.75, 35.5], [113.65, 35.25], [113.75, 35.0], [113.53, 34.47], [113.0, 34.25], [112.5, 34.46], [112.0, 34.25], [111.5, 34.46], [111.0, 34.25], [110.47, 34.47], [110.25, 35.0], [110.35, 35.25], [110.32, 35.32], [110.25, 35.35], [110.0, 35.25], [109.75, 35.35], [109.68, 35.32], [109.53, 34.97], [109.18, 34.82], [109.13, 34.7], [109.25, 34.65], [109.5, 34.75], [110.03, 34.53], [110.25, 34.0], [110.15, 33.75], [110.18, 33.68], [110.53, 33.53], [110.75, 33.0], [110.65, 32.75], [110.75, 32.5], [110.53, 31.97], [110.0, 31.75], [109.47, 31.97], [109.32, 32.32], [109.25, 32.35], [109.0, 32.25], [108.47, 32.47], [108.32, 32.82], [107.97, 32.97], [107.82, 33.32], [107.75, 33.35], [107.5, 33.25], [107.25, 33.35], [107.0, 33.25], [106.47, 33.47], [106.25, 34.0], [106.35, 34.25], [106.25, 34.5], [106.38, 34.8], [105.97, 34.97], [105.82, 35.32], [105.47, 35.47]], [[108.03, 38.03], [108.18, 37.68], [108.25, 37.65], [108.32, 37.68], [108.46, 38.0], [108.32, 38.32], [108.25, 38.35], [108.0, 38.25], [107.75, 38.35], [107.5, 38.25], [108.03, 38.03]], [[110.53, 37.97], [110.18, 37.82], [110.15, 37.75], [110.18, 37.68], [110.25, 37.65], [110.5, 37.75], [110.75, 37.65], [110.82, 37.68], [110.85, 37.75], [110.75, 38.0], [110.85, 38.25], [110.75, 38.5], [110.53, 37.97]]]]}, "2024-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.97, 35.97], [109.75, 36.5], [109.97, 37.03], [110.5, 37.25], [111.03, 37.03], [111.25, 36.5], [111.03, 35.97], [110.5, 35.75], [109.97, 35.97]]], [[[112.47, 35.97], [112.25, 36.5], [112.47, 37.03], [113.0, 37.25], [113.53, 37.03], [113.75, 36.5], [113.53, 35.97], [113.0, 35.75], [112.47, 35.97]]], [[[106.32, 37.18], [106.47, 37.53], [106.82, 37.68], [106.97, 38.03], [107.5, 38.25], [108.03, 38.03], [108.25, 37.5], [108.15, 37.25], [108.25, 37.0], [108.15, 36.75], [108.25, 36.5], [108.03, 35.97], [107.68, 35.82], [107.53, 35.47], [107.0, 35.25], [106.75, 35.35], [106.5, 35.25], [105.97, 35.47], [105.75, 36.0], [105.85, 36.25], [105.75, 36.5], [105.97, 37.03], [106.32, 37.18]]], [[[106.97, 39.53], [107.5, 39.75], [108.03, 39.53], [108.25, 39.0], [108.03, 38.47], [107.5, 38.25], [106.97, 38.47], [106.75, 39.0], [106.97, 39.53]]]]}, "2024-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.97, 35.47], [105.75, 36.0], [105.97, 36.53], [106.5, 36.75], [106.75, 36.65], [106.82, 36.68], [106.97, 37.03], [107.5, 37.25], [108.03, 37.03], [108.25, 36.5], [108.03, 35.97], [107.68, 35.82], [107.53, 35.47], [107.0, 35.25], [106.75, 35.35], [106.5, 35.25], [105.97, 35.47]]], [[[110.5, 35.75], [109.97, 35.97], [109.75, 36.5], [109.97, 37.03], [110.5, 37.25], [111.03, 37.03], [111.25, 36.5], [111.03, 35.97], [110.5, 35.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.291222877073778}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.4329953764161205}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.15498080783425, 14.445669911089738, 15.497624849805675, 14.648619109509013, 12.77051719896724, 13.097063954671228]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.60577290852865, 20.252781168619833, 21.50913009643557, 20.54913228352865, 14.552751159667991, 15.433611806233728]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.577865135002696, 3.89343114182828, 5.1573269177077306, 4.382198793184396, 3.730987856112196, 3.888203747237199]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.144928296313651, 4.751278919969309, 6.291222877073778, 5.5962093060947495, 4.236541977536547, 4.621400279553029]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.258112638853323, 1.4448875187711132, 1.904704587411873, 1.6160768032389028, 1.3139403195445776, 1.4338431257532818]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4001978813806568, 1.8822408889086049, 2.294928597259075, 2.06519988766478, 1.4797950016595733, 1.6887937093080438]}}