{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:49.231944", "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": "2022-Nov-08_to_2022-Nov-12_73.5_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": 2022110001902}, "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": "November 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 12 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 57385.47134565951}, "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"]}, "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": ["Laccadive Sea"]}, "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": 73.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "73.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 71.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 75.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[71.5, 13.75], [71.75, 13.65], [71.82, 13.68], [71.97, 14.03], [72.5, 14.25], [73.03, 14.03], [73.2, 13.63], [73.5, 13.75], [74.0, 13.54], [74.5, 13.75], [75.03, 13.53], [75.25, 13.0], [75.15, 12.75], [75.18, 12.68], [75.53, 12.53], [75.75, 12.0], [75.53, 11.47], [75.0, 11.25], [74.47, 11.47], [74.32, 11.82], [74.25, 11.85], [74.0, 11.75], [73.7, 11.87], [73.65, 11.75], [73.75, 11.5], [73.65, 11.25], [73.75, 11.0], [73.53, 10.47], [73.0, 10.25], [72.75, 10.35], [72.5, 10.25], [72.25, 10.35], [72.0, 10.25], [71.47, 10.47], [71.25, 11.0], [71.47, 11.53], [71.82, 11.68], [71.85, 11.75], [71.82, 11.82], [71.47, 11.97], [71.32, 12.32], [70.97, 12.47], [70.75, 13.0], [70.97, 13.53], [71.5, 13.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Arabian-Sea"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 13.53], [74.5, 13.75], [75.03, 13.53], [75.25, 13.0], [75.15, 12.75], [75.18, 12.68], [75.53, 12.53], [75.75, 12.0], [75.53, 11.47], [75.0, 11.25], [74.47, 11.47], [74.32, 11.82], [74.25, 11.85], [74.0, 11.75], [73.47, 11.97], [73.25, 12.5], [73.47, 13.03], [73.82, 13.18], [73.97, 13.53]]]]}, "2022-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.97, 12.47], [70.75, 13.0], [70.97, 13.53], [71.5, 13.75], [71.75, 13.65], [71.82, 13.68], [71.97, 14.03], [72.5, 14.25], [73.03, 14.03], [73.2, 13.63], [73.5, 13.75], [74.0, 13.54], [74.5, 13.75], [75.03, 13.53], [75.25, 13.0], [75.15, 12.75], [75.18, 12.68], [75.53, 12.53], [75.75, 12.0], [75.53, 11.47], [75.0, 11.25], [74.47, 11.47], [74.32, 11.82], [74.25, 11.85], [74.0, 11.75], [73.7, 11.87], [73.65, 11.75], [73.75, 11.5], [73.65, 11.25], [73.75, 11.0], [73.53, 10.47], [73.0, 10.25], [72.75, 10.35], [72.5, 10.25], [72.25, 10.35], [72.0, 10.25], [71.47, 10.47], [71.25, 11.0], [71.47, 11.53], [71.82, 11.68], [71.85, 11.75], [71.82, 11.82], [71.47, 11.97], [71.32, 12.32], [70.97, 12.47]]]]}, "2022-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.97, 12.47], [70.75, 13.0], [70.97, 13.53], [71.5, 13.75], [71.75, 13.65], [71.82, 13.68], [71.97, 14.03], [72.5, 14.25], [73.03, 14.03], [73.2, 13.63], [73.5, 13.75], [74.0, 13.54], [74.5, 13.75], [75.03, 13.53], [75.25, 13.0], [75.15, 12.75], [75.18, 12.68], [75.53, 12.53], [75.75, 12.0], [75.53, 11.47], [75.0, 11.25], [74.47, 11.47], [74.32, 11.82], [74.25, 11.85], [74.0, 11.75], [73.7, 11.87], [73.65, 11.75], [73.75, 11.5], [73.65, 11.25], [73.75, 11.0], [73.53, 10.47], [73.0, 10.25], [72.75, 10.35], [72.5, 10.25], [72.25, 10.35], [72.0, 10.25], [71.47, 10.47], [71.25, 11.0], [71.47, 11.53], [71.82, 11.68], [71.85, 11.75], [71.82, 11.82], [71.47, 11.97], [71.32, 12.32], [70.97, 12.47]]]]}, "2022-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.97, 12.47], [70.75, 13.0], [70.97, 13.53], [71.5, 13.75], [71.75, 13.65], [71.82, 13.68], [71.97, 14.03], [72.5, 14.25], [73.03, 14.03], [73.2, 13.63], [73.5, 13.75], [74.03, 13.53], [74.25, 13.0], [74.03, 12.47], [73.68, 12.32], [73.65, 12.25], [73.75, 12.0], [73.65, 11.75], [73.75, 11.5], [73.65, 11.25], [73.75, 11.0], [73.53, 10.47], [73.0, 10.25], [72.75, 10.35], [72.5, 10.25], [72.25, 10.35], [72.0, 10.25], [71.47, 10.47], [71.25, 11.0], [71.47, 11.53], [71.82, 11.68], [71.85, 11.75], [71.82, 11.82], [71.47, 11.97], [71.32, 12.32], [70.97, 12.47]]]]}, "2022-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.97, 13.53], [73.5, 13.75], [74.03, 13.53], [74.25, 13.0], [74.03, 12.47], [73.5, 12.25], [72.97, 12.47], [72.75, 13.0], [72.97, 13.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.001588086883089}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8490123009901861}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.408817598750545, 28.483019345081004, 28.457167138660452, 28.44982623849478, 28.6782187107367]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.525082405645378, 28.857038253579276, 28.727337902935858, 28.773054066132886, 28.6782187107367]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8715075198793869, 0.8802623227802452, 0.8456586628307599, 0.8094267017205576, 0.8227841254957866]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9251242510696329, 1.001588086883089, 0.9954181943966205, 0.880977430470125, 0.8227841254957866]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4058840078875323, 1.4279632071346273, 1.4167303701973182, 1.3791890594765708, 1.3215197920195065]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4938119799599199, 1.5251704791974825, 1.6896856389272765, 1.4584687510060306, 1.3215197920195065]}}