{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:02.953201", "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": "2026-Jan-13_to_2026-Jan-16_79.0_13.0"}, "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": 2026010001785}, "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": "January 13 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 16 2026"}, "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": 62923.57154196628}, "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": ["India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": []}, "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": 13.0}, "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": 79.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "79.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 77.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 80.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 15.53], [77.32, 15.68], [77.47, 16.03], [78.0, 16.25], [78.25, 16.15], [78.5, 16.25], [78.75, 16.15], [79.0, 16.25], [79.53, 16.03], [79.75, 15.5], [79.65, 15.25], [79.68, 15.18], [80.03, 15.03], [80.25, 14.5], [80.15, 14.25], [80.18, 14.18], [80.53, 14.03], [80.75, 13.5], [80.65, 13.25], [80.75, 13.0], [80.53, 12.47], [80.0, 12.25], [79.75, 12.35], [79.68, 12.32], [79.53, 11.97], [79.0, 11.75], [78.47, 11.97], [78.32, 12.32], [77.97, 12.47], [77.75, 13.0], [77.97, 13.53], [78.32, 13.68], [78.38, 13.8], [78.25, 13.85], [78.0, 13.75], [77.75, 13.85], [77.5, 13.75], [76.97, 13.97], [76.75, 14.5], [76.85, 14.75], [76.75, 15.0], [76.97, 15.53]]]]}, "2026-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 15.53], [77.32, 15.68], [77.47, 16.03], [78.0, 16.25], [78.25, 16.15], [78.5, 16.25], [78.75, 16.15], [79.0, 16.25], [79.53, 16.03], [79.75, 15.5], [79.65, 15.25], [79.68, 15.18], [80.03, 15.03], [80.25, 14.5], [80.15, 14.25], [80.18, 14.18], [80.53, 14.03], [80.75, 13.5], [80.65, 13.25], [80.75, 13.0], [80.53, 12.47], [80.0, 12.25], [79.75, 12.35], [79.68, 12.32], [79.53, 11.97], [79.0, 11.75], [78.47, 11.97], [78.32, 12.32], [77.97, 12.47], [77.75, 13.0], [77.97, 13.53], [78.32, 13.68], [78.38, 13.8], [78.25, 13.85], [78.0, 13.75], [77.75, 13.85], [77.5, 13.75], [76.97, 13.97], [76.75, 14.5], [76.85, 14.75], [76.75, 15.0], [76.97, 15.53]]]]}, "2026-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 15.53], [77.32, 15.68], [77.47, 16.03], [78.0, 16.25], [78.25, 16.15], [78.5, 16.25], [78.75, 16.15], [79.0, 16.25], [79.53, 16.03], [79.75, 15.5], [79.65, 15.25], [79.68, 15.18], [80.03, 15.03], [80.25, 14.5], [80.15, 14.25], [80.18, 14.18], [80.53, 14.03], [80.75, 13.5], [80.65, 13.25], [80.75, 13.0], [80.53, 12.47], [80.0, 12.25], [79.75, 12.35], [79.68, 12.32], [79.53, 11.97], [79.0, 11.75], [78.47, 11.97], [78.32, 12.32], [77.97, 12.47], [77.75, 13.0], [77.97, 13.53], [78.32, 13.68], [78.38, 13.8], [78.25, 13.85], [78.0, 13.75], [77.75, 13.85], [77.5, 13.75], [76.97, 13.97], [76.75, 14.5], [76.85, 14.75], [76.75, 15.0], [76.97, 15.53]]]]}, "2026-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.0, 14.25], [79.53, 14.03], [79.68, 13.68], [80.03, 13.53], [80.25, 13.0], [80.03, 12.47], [79.5, 12.25], [79.25, 12.35], [79.0, 12.25], [78.47, 12.47], [78.25, 13.0], [78.35, 13.25], [78.25, 13.5], [78.47, 14.03], [79.0, 14.25]]], [[[78.47, 14.97], [78.25, 15.5], [78.47, 16.03], [79.0, 16.25], [79.53, 16.03], [79.75, 15.5], [79.53, 14.97], [79.0, 14.75], [78.47, 14.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4512141887606163}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9008758243101624}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.327997673882408, 25.498624177962995, 25.471376158699172, 24.2426531473796]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.78033599853518, 27.1998115539551, 27.208103434244833, 24.925717926025413]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.849229780678532, 2.0021670169454175, 1.9446956993001496, 1.4101844483436992]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3256873685917867, 2.4512141887606163, 2.3980847941228944, 1.6051935280896146]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5859001887493245, 1.682538549944852, 1.6507421442697132, 1.2893547952486588]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.937335643811663, 2.0393763020416475, 2.1275792153886863, 1.481742936201836]}}