{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:37.734818", "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-Aug-04_to_2024-Aug-09_101.5_29.0"}, "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": 2024080001356}, "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": "August 04 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 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": 339450.66533336986}, "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": 29.0}, "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": 101.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "101.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 97.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[97.46, 29.5], [97.25, 30.0], [97.35, 30.25], [97.32, 30.32], [96.97, 30.47], [96.75, 31.0], [96.85, 31.25], [96.75, 31.5], [96.85, 31.75], [96.75, 32.0], [96.85, 32.25], [96.75, 32.5], [96.97, 33.03], [97.5, 33.25], [98.0, 33.04], [98.32, 33.18], [98.47, 33.53], [99.0, 33.75], [99.53, 33.53], [99.68, 33.18], [99.75, 33.15], [100.0, 33.25], [100.53, 33.03], [100.75, 32.5], [100.65, 32.25], [100.68, 32.18], [100.75, 32.15], [100.82, 32.18], [100.97, 32.53], [101.32, 32.68], [101.35, 32.75], [101.25, 33.0], [101.35, 33.25], [101.25, 33.5], [101.35, 33.75], [101.25, 34.0], [101.47, 34.53], [102.0, 34.75], [102.25, 34.65], [102.5, 34.75], [102.75, 34.65], [103.0, 34.75], [103.25, 34.65], [103.5, 34.75], [104.03, 34.53], [104.18, 34.18], [104.25, 34.15], [104.5, 34.25], [104.75, 34.15], [105.0, 34.25], [105.53, 34.03], [105.75, 33.5], [105.54, 33.0], [105.75, 32.5], [105.53, 31.97], [105.18, 31.82], [105.03, 31.47], [104.68, 31.32], [104.65, 31.25], [104.75, 31.0], [104.54, 30.5], [104.75, 30.0], [104.54, 29.5], [104.68, 29.18], [105.03, 29.03], [105.25, 28.5], [105.03, 27.97], [104.5, 27.75], [104.25, 27.85], [104.0, 27.75], [103.75, 27.85], [103.5, 27.75], [102.97, 27.97], [102.82, 28.32], [102.61, 28.41], [102.5, 28.46], [102.18, 28.32], [102.15, 28.25], [102.25, 28.0], [102.03, 27.47], [101.5, 27.25], [101.25, 27.35], [101.18, 27.32], [101.03, 26.97], [100.5, 26.75], [99.97, 26.97], [99.82, 27.32], [99.75, 27.35], [99.5, 27.25], [98.97, 27.47], [98.82, 27.82], [98.47, 27.97], [98.3, 28.38], [98.0, 28.25], [97.47, 28.47], [97.25, 29.0], [97.46, 29.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "E.Asia", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.47, 33.53], [99.0, 33.75], [99.53, 33.53], [99.75, 33.0], [99.53, 32.47], [99.0, 32.25], [98.47, 32.47], [98.25, 33.0], [98.47, 33.53]]]]}, "2024-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 28.5], [102.03, 27.97], [101.5, 27.75], [100.97, 27.97], [100.82, 28.32], [100.47, 28.47], [100.25, 29.0], [100.35, 29.25], [100.25, 29.5], [100.47, 30.03], [101.0, 30.25], [101.53, 30.03], [101.68, 29.68], [102.03, 29.53], [102.25, 29.0], [102.15, 28.75], [102.25, 28.5]]], [[[96.85, 32.25], [96.75, 32.5], [96.97, 33.03], [97.5, 33.25], [98.0, 33.04], [98.32, 33.18], [98.47, 33.53], [99.0, 33.75], [99.53, 33.53], [99.68, 33.18], [99.75, 33.15], [100.0, 33.25], [100.53, 33.03], [100.75, 32.5], [100.65, 32.25], [100.7, 32.13], [100.82, 32.18], [100.97, 32.53], [101.32, 32.68], [101.35, 32.75], [101.25, 33.0], [101.35, 33.25], [101.25, 33.5], [101.35, 33.75], [101.25, 34.0], [101.47, 34.53], [102.0, 34.75], [102.5, 34.54], [103.0, 34.75], [103.25, 34.65], [103.5, 34.75], [104.03, 34.53], [104.18, 34.18], [104.25, 34.15], [104.5, 34.25], [104.75, 34.15], [105.0, 34.25], [105.53, 34.03], [105.75, 33.5], [105.54, 33.0], [105.75, 32.5], [105.53, 31.97], [105.18, 31.82], [105.03, 31.47], [104.68, 31.32], [104.53, 30.97], [104.18, 30.82], [104.03, 30.47], [103.68, 30.32], [103.54, 30.0], [103.75, 29.5], [103.65, 29.25], [103.75, 29.0], [103.53, 28.47], [103.0, 28.25], [102.47, 28.47], [102.25, 29.0], [102.35, 29.25], [102.25, 29.5], [102.38, 29.8], [101.97, 29.97], [101.8, 30.38], [101.5, 30.25], [101.25, 30.35], [101.0, 30.25], [100.47, 30.47], [100.25, 31.0], [100.35, 31.25], [100.3, 31.38], [100.0, 31.25], [99.75, 31.35], [99.68, 31.32], [99.53, 30.97], [99.0, 30.75], [98.75, 30.85], [98.68, 30.82], [98.53, 30.47], [98.0, 30.25], [97.47, 30.47], [97.32, 30.82], [96.97, 30.97], [96.75, 31.5], [96.85, 31.75], [96.75, 32.0], [96.85, 32.25]]]]}, "2024-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 31.5], [96.85, 31.75], [96.75, 32.0], [96.85, 32.25], [96.75, 32.5], [96.97, 33.03], [97.5, 33.25], [98.0, 33.04], [98.32, 33.18], [98.47, 33.53], [99.0, 33.75], [99.53, 33.53], [99.68, 33.18], [99.75, 33.15], [100.0, 33.25], [100.53, 33.03], [100.75, 32.5], [100.65, 32.25], [100.68, 32.18], [100.75, 32.15], [100.82, 32.18], [100.97, 32.53], [101.32, 32.68], [101.35, 32.75], [101.25, 33.0], [101.35, 33.25], [101.25, 33.5], [101.35, 33.75], [101.25, 34.0], [101.47, 34.53], [102.0, 34.75], [102.25, 34.65], [102.5, 34.75], [102.75, 34.65], [103.0, 34.75], [103.25, 34.65], [103.5, 34.75], [104.03, 34.53], [104.18, 34.18], [104.25, 34.15], [104.5, 34.25], [104.75, 34.15], [105.0, 34.25], [105.53, 34.03], [105.75, 33.5], [105.54, 33.0], [105.75, 32.5], [105.53, 31.97], [105.18, 31.82], [105.03, 31.47], [104.68, 31.32], [104.65, 31.25], [104.75, 31.0], [104.54, 30.5], [104.75, 30.0], [104.54, 29.5], [104.68, 29.18], [105.03, 29.03], [105.25, 28.5], [105.03, 27.97], [104.5, 27.75], [104.25, 27.85], [104.0, 27.75], [103.75, 27.85], [103.5, 27.75], [102.97, 27.97], [102.82, 28.32], [102.5, 28.46], [102.18, 28.32], [102.03, 27.97], [101.5, 27.75], [101.25, 27.85], [101.18, 27.82], [101.03, 27.47], [100.5, 27.25], [100.25, 27.35], [100.0, 27.25], [99.47, 27.47], [99.32, 27.82], [99.25, 27.85], [99.0, 27.75], [98.47, 27.97], [98.3, 28.38], [98.0, 28.25], [97.47, 28.47], [97.25, 29.0], [97.46, 29.5], [97.25, 30.0], [97.35, 30.25], [97.32, 30.32], [96.97, 30.47], [96.75, 31.0], [96.85, 31.25], [96.75, 31.5]]]]}, "2024-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 31.5], [96.85, 31.75], [96.75, 32.0], [96.85, 32.25], [96.75, 32.5], [96.97, 33.03], [97.5, 33.25], [98.0, 33.04], [98.32, 33.18], [98.47, 33.53], [99.0, 33.75], [99.53, 33.53], [99.68, 33.18], [99.75, 33.15], [100.0, 33.25], [100.53, 33.03], [100.75, 32.5], [100.65, 32.25], [100.68, 32.18], [100.75, 32.15], [100.82, 32.18], [100.97, 32.53], [101.32, 32.68], [101.35, 32.75], [101.25, 33.0], [101.35, 33.25], [101.25, 33.5], [101.35, 33.75], [101.25, 34.0], [101.47, 34.53], [102.0, 34.75], [102.25, 34.65], [102.5, 34.75], [102.75, 34.65], [103.0, 34.75], [103.25, 34.65], [103.5, 34.75], [104.03, 34.53], [104.18, 34.18], [104.25, 34.15], [104.5, 34.25], [104.75, 34.15], [105.0, 34.25], [105.53, 34.03], [105.75, 33.5], [105.54, 33.0], [105.75, 32.5], [105.53, 31.97], [105.18, 31.82], [105.03, 31.47], [104.68, 31.32], [104.65, 31.25], [104.75, 31.0], [104.54, 30.5], [104.75, 30.0], [104.54, 29.5], [104.68, 29.18], [105.03, 29.03], [105.25, 28.5], [105.03, 27.97], [104.5, 27.75], [104.25, 27.85], [104.0, 27.75], [103.75, 27.85], [103.5, 27.75], [102.97, 27.97], [102.82, 28.32], [102.5, 28.46], [102.18, 28.32], [102.15, 28.25], [102.25, 28.0], [102.03, 27.47], [101.5, 27.25], [101.25, 27.35], [101.18, 27.32], [101.03, 26.97], [100.5, 26.75], [99.97, 26.97], [99.82, 27.32], [99.75, 27.35], [99.5, 27.25], [98.97, 27.47], [98.82, 27.82], [98.47, 27.97], [98.3, 28.38], [98.0, 28.25], [97.47, 28.47], [97.25, 29.0], [97.46, 29.5], [97.25, 30.0], [97.35, 30.25], [97.32, 30.32], [96.97, 30.47], [96.75, 31.0], [96.85, 31.25], [96.75, 31.5]]]]}, "2024-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 31.5], [96.85, 31.75], [96.75, 32.0], [96.85, 32.25], [96.75, 32.5], [96.97, 33.03], [97.5, 33.25], [98.0, 33.04], [98.32, 33.18], [98.47, 33.53], [99.0, 33.75], [99.53, 33.53], [99.68, 33.18], [99.75, 33.15], [100.0, 33.25], [100.53, 33.03], [100.75, 32.5], [100.65, 32.25], [100.68, 32.18], [100.75, 32.15], [100.82, 32.18], [100.97, 32.53], [101.32, 32.68], [101.35, 32.75], [101.25, 33.0], [101.35, 33.25], [101.25, 33.5], [101.35, 33.75], [101.25, 34.0], [101.47, 34.53], [102.0, 34.75], [102.25, 34.65], [102.5, 34.75], [102.75, 34.65], [103.0, 34.75], [103.25, 34.65], [103.5, 34.75], [104.03, 34.53], [104.18, 34.18], [104.25, 34.15], [104.5, 34.25], [105.03, 34.03], [105.25, 33.5], [105.15, 33.25], [105.25, 33.0], [105.15, 32.75], [105.25, 32.5], [105.15, 32.25], [105.25, 32.0], [105.03, 31.47], [104.68, 31.32], [104.65, 31.25], [104.75, 31.0], [104.54, 30.5], [104.75, 30.0], [104.54, 29.5], [104.68, 29.18], [105.03, 29.03], [105.25, 28.5], [105.03, 27.97], [104.5, 27.75], [104.25, 27.85], [104.0, 27.75], [103.75, 27.85], [103.5, 27.75], [102.97, 27.97], [102.82, 28.32], [102.5, 28.46], [102.18, 28.32], [102.15, 28.25], [102.25, 28.0], [102.03, 27.47], [101.5, 27.25], [101.25, 27.35], [101.18, 27.32], [101.03, 26.97], [100.5, 26.75], [99.97, 26.97], [99.82, 27.32], [99.75, 27.35], [99.5, 27.25], [98.97, 27.47], [98.82, 27.82], [98.47, 27.97], [98.3, 28.38], [98.0, 28.25], [97.47, 28.47], [97.25, 29.0], [97.46, 29.5], [97.25, 30.0], [97.35, 30.25], [97.32, 30.32], [96.97, 30.47], [96.75, 31.0], [96.85, 31.25], [96.75, 31.5]]]]}, "2024-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.0, 28.25], [97.47, 28.47], [97.25, 29.0], [97.47, 29.53], [98.0, 29.75], [98.53, 29.53], [98.7, 29.13], [99.0, 29.25], [99.25, 29.15], [99.5, 29.25], [99.75, 29.15], [99.82, 29.18], [99.97, 29.53], [100.5, 29.75], [101.0, 29.54], [101.5, 29.75], [102.03, 29.53], [102.25, 29.0], [102.15, 28.75], [102.25, 28.5], [102.15, 28.25], [102.25, 28.0], [102.03, 27.47], [101.5, 27.25], [101.25, 27.35], [101.18, 27.32], [101.03, 26.97], [100.5, 26.75], [99.97, 26.97], [99.82, 27.32], [99.75, 27.35], [99.5, 27.25], [98.97, 27.47], [98.82, 27.82], [98.47, 27.97], [98.3, 28.38], [98.0, 28.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.535948359599047}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.9309644894784377}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.402766424111235, 15.47156865425734, 15.903551971339141, 15.894292375104385, 16.606796009344805, 14.606912295904237]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.402766424111235, 24.7566322144404, 30.39975175357182, 30.753548911860662, 31.65073900289582, 19.69695663771529]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.386048236843749, 2.5326194788237277, 2.7299893285514005, 2.7302949281269364, 3.6453436071317435, 2.0609568911558656]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.386048236843749, 3.570415789178412, 4.151889196476702, 3.7775855489873607, 5.535948359599047, 2.4482807935547726]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4388355176844265, 1.534825427251582, 1.678704630233313, 1.6343974384820457, 2.114938477433195, 1.4217845089039371]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4388355176844265, 2.0845741592689717, 2.2019548345097912, 2.3874913755716127, 2.8853215428829775, 1.7303341349078298]}}