{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:40.944952", "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-12_to_2024-Aug-17_100.0_24.5"}, "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": 2024080001882}, "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 12 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 17 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": 120899.75008552877}, "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", "Viet Nam"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 24.5}, "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": 100.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "100.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 99.0}, "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": 21.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[103.75, 24.0], [103.65, 23.75], [103.68, 23.68], [104.03, 23.53], [104.18, 23.18], [104.53, 23.03], [104.68, 22.68], [105.03, 22.53], [105.18, 22.18], [105.53, 22.03], [105.75, 21.5], [105.53, 20.97], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [104.25, 21.35], [104.0, 21.25], [103.47, 21.47], [103.32, 21.82], [102.97, 21.97], [102.75, 22.5], [102.85, 22.75], [102.82, 22.82], [102.75, 22.85], [102.5, 22.75], [101.97, 22.97], [101.82, 23.32], [101.75, 23.35], [101.5, 23.25], [101.25, 23.35], [101.0, 23.25], [100.75, 23.35], [100.5, 23.25], [100.25, 23.35], [100.0, 23.25], [99.5, 23.46], [99.0, 23.25], [98.47, 23.47], [98.25, 24.0], [98.35, 24.25], [98.25, 24.5], [98.35, 24.75], [98.25, 25.0], [98.35, 25.25], [98.25, 25.5], [98.47, 26.03], [98.82, 26.18], [98.85, 26.25], [98.75, 26.5], [98.97, 27.03], [99.5, 27.25], [99.75, 27.15], [100.0, 27.25], [100.53, 27.03], [100.68, 26.68], [100.75, 26.65], [101.0, 26.75], [101.5, 26.54], [102.0, 26.75], [102.53, 26.53], [102.75, 26.0], [102.65, 25.75], [102.68, 25.68], [103.03, 25.53], [103.25, 25.0], [103.13, 24.7], [103.53, 24.53], [103.75, 24.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.47, 24.97], [98.25, 25.5], [98.47, 26.03], [98.82, 26.18], [98.85, 26.25], [98.75, 26.5], [98.97, 27.03], [99.5, 27.25], [99.75, 27.15], [100.0, 27.25], [100.53, 27.03], [100.68, 26.68], [100.75, 26.65], [101.0, 26.75], [101.5, 26.54], [102.0, 26.75], [102.53, 26.53], [102.75, 26.0], [102.65, 25.75], [102.68, 25.68], [103.03, 25.53], [103.25, 25.0], [103.03, 24.47], [102.68, 24.32], [102.65, 24.25], [102.75, 24.0], [102.53, 23.47], [102.0, 23.25], [101.75, 23.35], [101.5, 23.25], [101.25, 23.35], [101.0, 23.25], [100.75, 23.35], [100.5, 23.25], [99.97, 23.47], [99.82, 23.82], [99.7, 23.88], [99.53, 23.47], [99.0, 23.25], [98.47, 23.47], [98.25, 24.0], [98.47, 24.53], [98.88, 24.7], [98.82, 24.82], [98.47, 24.97]]]]}, "2024-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.25, 24.5], [98.35, 24.75], [98.25, 25.0], [98.35, 25.25], [98.25, 25.5], [98.47, 26.03], [98.82, 26.18], [98.85, 26.25], [98.75, 26.5], [98.97, 27.03], [99.5, 27.25], [99.75, 27.15], [100.0, 27.25], [100.53, 27.03], [100.68, 26.68], [100.75, 26.65], [101.0, 26.75], [101.5, 26.54], [102.0, 26.75], [102.53, 26.53], [102.75, 26.0], [102.65, 25.75], [102.68, 25.68], [103.03, 25.53], [103.25, 25.0], [103.13, 24.7], [103.53, 24.53], [103.75, 24.0], [103.53, 23.47], [103.0, 23.25], [102.5, 23.46], [102.0, 23.25], [101.75, 23.35], [101.5, 23.25], [101.25, 23.35], [101.0, 23.25], [100.75, 23.35], [100.5, 23.25], [100.25, 23.35], [100.0, 23.25], [99.5, 23.46], [99.0, 23.25], [98.47, 23.47], [98.25, 24.0], [98.35, 24.25], [98.25, 24.5]]]]}, "2024-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.25, 24.5], [98.35, 24.75], [98.25, 25.0], [98.35, 25.25], [98.25, 25.5], [98.47, 26.03], [98.82, 26.18], [98.85, 26.25], [98.75, 26.5], [98.97, 27.03], [99.5, 27.25], [99.75, 27.15], [100.0, 27.25], [100.53, 27.03], [100.68, 26.68], [100.75, 26.65], [101.0, 26.75], [101.5, 26.54], [102.0, 26.75], [102.53, 26.53], [102.75, 26.0], [102.65, 25.75], [102.68, 25.68], [103.03, 25.53], [103.25, 25.0], [103.13, 24.7], [103.53, 24.53], [103.75, 24.0], [103.65, 23.75], [103.75, 23.5], [103.53, 22.97], [103.0, 22.75], [102.75, 22.85], [102.5, 22.75], [101.97, 22.97], [101.82, 23.32], [101.75, 23.35], [101.5, 23.25], [101.25, 23.35], [101.0, 23.25], [100.75, 23.35], [100.5, 23.25], [100.25, 23.35], [100.0, 23.25], [99.5, 23.46], [99.0, 23.25], [98.47, 23.47], [98.25, 24.0], [98.35, 24.25], [98.25, 24.5]]]]}, "2024-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.25, 25.0], [98.47, 25.53], [99.0, 25.75], [99.5, 25.54], [99.88, 25.7], [99.75, 26.0], [99.97, 26.53], [100.5, 26.75], [101.03, 26.53], [101.25, 26.0], [101.47, 26.53], [102.0, 26.75], [102.53, 26.53], [102.75, 26.0], [102.63, 25.7], [103.03, 25.53], [103.25, 25.0], [103.13, 24.7], [103.53, 24.53], [103.75, 24.0], [103.65, 23.75], [103.68, 23.68], [104.03, 23.53], [104.18, 23.18], [104.53, 23.03], [104.68, 22.68], [105.03, 22.53], [105.18, 22.18], [105.53, 22.03], [105.75, 21.5], [105.53, 20.97], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [104.25, 21.35], [104.0, 21.25], [103.47, 21.47], [103.32, 21.82], [102.97, 21.97], [102.75, 22.5], [102.85, 22.75], [102.82, 22.82], [102.75, 22.85], [102.5, 22.75], [101.97, 22.97], [101.75, 23.5], [101.85, 23.75], [101.8, 23.88], [101.5, 23.75], [100.97, 23.97], [100.82, 24.32], [100.75, 24.35], [100.68, 24.32], [100.65, 24.25], [100.75, 24.0], [100.53, 23.47], [100.0, 23.25], [99.47, 23.47], [99.32, 23.82], [99.25, 23.85], [99.0, 23.75], [98.47, 23.97], [98.25, 24.5], [98.35, 24.75], [98.25, 25.0]], [[101.13, 25.7], [101.25, 25.65], [101.38, 25.7], [101.25, 26.0], [101.13, 25.7]]]]}, "2024-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.75, 24.0], [101.97, 24.53], [102.5, 24.75], [102.75, 24.65], [103.0, 24.75], [103.53, 24.53], [103.75, 24.0], [103.65, 23.75], [103.68, 23.68], [104.03, 23.53], [104.18, 23.18], [104.53, 23.03], [104.68, 22.68], [105.03, 22.53], [105.18, 22.18], [105.53, 22.03], [105.75, 21.5], [105.53, 20.97], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [104.25, 21.35], [104.0, 21.25], [103.47, 21.47], [103.32, 21.82], [102.97, 21.97], [102.75, 22.5], [102.85, 22.75], [102.82, 22.82], [102.75, 22.85], [102.5, 22.75], [101.97, 22.97], [101.75, 23.5], [101.85, 23.75], [101.75, 24.0]]]]}, "2024-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, 23.0], [102.88, 23.3], [102.47, 23.47], [102.25, 24.0], [102.47, 24.53], [103.0, 24.75], [103.53, 24.53], [103.75, 24.0], [103.63, 23.7], [104.03, 23.53], [104.18, 23.18], [104.53, 23.03], [104.68, 22.68], [105.03, 22.53], [105.18, 22.18], [105.53, 22.03], [105.75, 21.5], [105.53, 20.97], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [104.25, 21.35], [104.0, 21.25], [103.47, 21.47], [103.32, 21.82], [102.97, 21.97], [102.75, 22.5], [102.85, 22.75], [102.75, 23.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.43251942760088}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.055915490259832}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.640797857544612, 22.702409047895912, 22.92300172673879, 24.121220538809894, 25.53978268090526, 26.418038947183504]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.172582927563724, 26.076278371753062, 25.706178641704412, 30.215093777291656, 30.26455013681317, 30.329290157359594]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1231378471654354, 2.07860620352277, 2.233254605866768, 1.8419501537616938, 1.806020279850901, 1.820435533314919]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.923858568490573, 3.0594444334873288, 3.43251942760088, 2.7718220604486987, 2.425194154408814, 2.49701610661441]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.726396748209109, 1.6997835947951416, 1.8187016513620209, 1.4895293391910556, 1.4732943714011801, 1.4230180519769289]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3772068239393294, 2.5924272358691387, 2.2502333586212178, 2.0864131990372052, 1.772690166689748, 1.6932206360923034]}}