{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:09.702897", "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-Mar-28_to_2024-Mar-31_99.5_27.5"}, "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": 2024030002055}, "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": "March 28 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 31 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 54681.0991512819}, "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", "Myanmar"]}, "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": 27.5}, "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": 99.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "99.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 102.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[100.68, 26.32], [100.53, 25.97], [100.0, 25.75], [99.47, 25.97], [99.3, 26.38], [99.0, 26.25], [98.47, 26.47], [98.32, 26.82], [97.97, 26.97], [97.75, 27.5], [97.97, 28.03], [98.5, 28.25], [98.75, 28.15], [98.88, 28.2], [98.75, 28.5], [98.85, 28.75], [98.75, 29.0], [98.97, 29.53], [99.5, 29.75], [99.8, 29.63], [99.97, 30.03], [100.5, 30.25], [101.03, 30.03], [101.25, 29.5], [101.15, 29.25], [101.25, 29.0], [101.15, 28.75], [101.25, 28.5], [101.15, 28.25], [101.18, 28.18], [101.25, 28.15], [101.5, 28.25], [102.03, 28.03], [102.18, 27.68], [102.53, 27.53], [102.75, 27.0], [102.53, 26.47], [102.0, 26.25], [101.47, 26.47], [101.32, 26.82], [101.25, 26.85], [101.18, 26.82], [101.03, 26.47], [100.68, 26.32]]]]}}, "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": {"2024-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.97, 26.97], [98.75, 27.5], [98.97, 28.03], [99.5, 28.25], [100.03, 28.03], [100.18, 27.68], [100.25, 27.65], [100.5, 27.75], [101.03, 27.53], [101.25, 27.0], [101.03, 26.47], [100.5, 26.25], [100.25, 26.35], [100.0, 26.25], [99.47, 26.47], [99.32, 26.82], [98.97, 26.97]]]]}, "2024-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 26.97], [97.75, 27.5], [97.97, 28.03], [98.5, 28.25], [98.75, 28.15], [98.88, 28.2], [98.75, 28.5], [98.85, 28.75], [98.75, 29.0], [98.97, 29.53], [99.5, 29.75], [99.8, 29.63], [99.97, 30.03], [100.5, 30.25], [101.03, 30.03], [101.25, 29.5], [101.15, 29.25], [101.25, 29.0], [101.15, 28.75], [101.25, 28.5], [101.15, 28.25], [101.18, 28.18], [101.25, 28.15], [101.5, 28.25], [102.03, 28.03], [102.18, 27.68], [102.53, 27.53], [102.75, 27.0], [102.53, 26.47], [102.0, 26.25], [101.47, 26.47], [101.32, 26.82], [101.25, 26.85], [101.18, 26.82], [101.03, 26.47], [100.68, 26.32], [100.53, 25.97], [100.0, 25.75], [99.47, 25.97], [99.3, 26.38], [99.0, 26.25], [98.47, 26.47], [98.32, 26.82], [97.97, 26.97]]]]}, "2024-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 26.97], [97.75, 27.5], [97.97, 28.03], [98.5, 28.25], [98.75, 28.15], [98.88, 28.2], [98.75, 28.5], [98.85, 28.75], [98.75, 29.0], [98.97, 29.53], [99.5, 29.75], [99.8, 29.63], [99.97, 30.03], [100.5, 30.25], [101.03, 30.03], [101.25, 29.5], [101.15, 29.25], [101.25, 29.0], [101.15, 28.75], [101.25, 28.5], [101.15, 28.25], [101.18, 28.18], [101.25, 28.15], [101.5, 28.25], [102.03, 28.03], [102.18, 27.68], [102.53, 27.53], [102.75, 27.0], [102.53, 26.47], [102.0, 26.25], [101.47, 26.47], [101.32, 26.82], [101.25, 26.85], [101.18, 26.82], [101.03, 26.47], [100.68, 26.32], [100.53, 25.97], [100.0, 25.75], [99.47, 25.97], [99.3, 26.38], [99.0, 26.25], [98.47, 26.47], [98.32, 26.82], [97.97, 26.97]]]]}, "2024-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 26.97], [97.75, 27.5], [97.97, 28.03], [98.5, 28.25], [98.75, 28.15], [98.88, 28.2], [98.75, 28.5], [98.85, 28.75], [98.75, 29.0], [98.97, 29.53], [99.5, 29.75], [99.8, 29.63], [99.97, 30.03], [100.5, 30.25], [101.03, 30.03], [101.25, 29.5], [101.15, 29.25], [101.25, 29.0], [101.15, 28.75], [101.25, 28.5], [101.15, 28.25], [101.18, 28.18], [101.25, 28.15], [101.5, 28.25], [102.03, 28.03], [102.18, 27.68], [102.53, 27.53], [102.75, 27.0], [102.53, 26.47], [102.0, 26.25], [101.47, 26.47], [101.32, 26.82], [101.25, 26.85], [101.0, 26.75], [100.75, 26.85], [100.63, 26.8], [100.75, 26.5], [100.53, 25.97], [100.0, 25.75], [99.47, 25.97], [99.3, 26.38], [99.0, 26.25], [98.47, 26.47], [98.32, 26.82], [97.97, 26.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.072286414616769}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.663307110975442}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.041971902034618, 9.12753217679375, 10.49020876917325, 8.55961510680379]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.981214434973595, 20.610176623311304, 21.52144347905636, 20.493532715023036]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7463641250370947, 3.4101351495169894, 4.603625826105974, 3.0526345489961892]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9590363409427596, 4.385304139450568, 6.072286414616769, 4.084671604760047]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3239824814416035, 1.527547216817535, 2.1175499134851314, 1.4450450892438296]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.517707243813999, 2.092905501655232, 2.8712162097718035, 1.9602831975869373]}}