{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:27.821530", "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": "2015-Dec-04_to_2015-Dec-08_79.0_30.5"}, "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": 2015120001273}, "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": "December 04 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 08 2015"}, "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": 89629.58122358043}, "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", "India", "Nepal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau"]}, "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": 30.5}, "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": 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": 78.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.35, 31.25], [78.25, 31.5], [78.35, 31.75], [78.25, 32.0], [78.47, 32.53], [78.82, 32.68], [78.97, 33.03], [79.32, 33.18], [79.47, 33.53], [80.0, 33.75], [80.25, 33.65], [80.5, 33.75], [81.03, 33.53], [81.2, 33.13], [81.5, 33.25], [82.03, 33.03], [82.25, 32.5], [82.15, 32.25], [82.18, 32.18], [82.25, 32.15], [82.5, 32.25], [83.03, 32.03], [83.18, 31.68], [83.53, 31.53], [83.75, 31.0], [83.53, 30.47], [83.0, 30.25], [82.75, 30.35], [82.68, 30.32], [82.53, 29.97], [82.0, 29.75], [81.75, 29.85], [81.68, 29.82], [81.53, 29.47], [81.0, 29.25], [80.47, 29.47], [80.25, 30.0], [80.35, 30.25], [80.25, 30.5], [80.35, 30.75], [80.32, 30.82], [80.25, 30.85], [80.18, 30.82], [80.03, 30.47], [79.68, 30.32], [79.53, 29.97], [79.0, 29.75], [78.47, 29.97], [78.25, 30.5], [78.35, 30.75], [78.25, 31.0], [78.35, 31.25]]]]}, "2015-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.35, 31.25], [78.25, 31.5], [78.35, 31.75], [78.25, 32.0], [78.47, 32.53], [78.82, 32.68], [78.97, 33.03], [79.32, 33.18], [79.47, 33.53], [80.0, 33.75], [80.25, 33.65], [80.5, 33.75], [81.03, 33.53], [81.2, 33.13], [81.5, 33.25], [82.03, 33.03], [82.25, 32.5], [82.15, 32.25], [82.18, 32.18], [82.25, 32.15], [82.5, 32.25], [83.03, 32.03], [83.18, 31.68], [83.53, 31.53], [83.75, 31.0], [83.53, 30.47], [83.0, 30.25], [82.75, 30.35], [82.68, 30.32], [82.53, 29.97], [82.18, 29.82], [82.03, 29.47], [81.5, 29.25], [81.25, 29.35], [81.0, 29.25], [80.47, 29.47], [80.25, 30.0], [80.35, 30.25], [80.25, 30.5], [80.35, 30.75], [80.32, 30.82], [80.25, 30.85], [80.18, 30.82], [80.03, 30.47], [79.68, 30.32], [79.53, 29.97], [79.0, 29.75], [78.47, 29.97], [78.25, 30.5], [78.35, 30.75], [78.25, 31.0], [78.35, 31.25]]]]}, "2015-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.35, 31.25], [78.25, 31.5], [78.35, 31.75], [78.25, 32.0], [78.47, 32.53], [78.82, 32.68], [78.97, 33.03], [79.32, 33.18], [79.47, 33.53], [80.0, 33.75], [80.25, 33.65], [80.5, 33.75], [81.03, 33.53], [81.2, 33.13], [81.5, 33.25], [82.03, 33.03], [82.25, 32.5], [82.15, 32.25], [82.18, 32.18], [82.25, 32.15], [82.5, 32.25], [83.03, 32.03], [83.18, 31.68], [83.53, 31.53], [83.75, 31.0], [83.53, 30.47], [83.0, 30.25], [82.75, 30.35], [82.68, 30.32], [82.53, 29.97], [82.18, 29.82], [82.03, 29.47], [81.5, 29.25], [81.25, 29.35], [81.0, 29.25], [80.47, 29.47], [80.25, 30.0], [80.35, 30.25], [80.3, 30.38], [80.0, 30.25], [79.75, 30.35], [79.68, 30.32], [79.53, 29.97], [79.0, 29.75], [78.47, 29.97], [78.25, 30.5], [78.35, 30.75], [78.25, 31.0], [78.35, 31.25]]]]}, "2015-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.0, 31.75], [80.53, 31.53], [80.75, 31.0], [80.57, 30.57], [81.0, 30.75], [81.25, 30.65], [81.5, 30.75], [82.03, 30.53], [82.25, 30.0], [82.03, 29.47], [81.5, 29.25], [81.25, 29.35], [81.0, 29.25], [80.47, 29.47], [80.25, 30.0], [80.43, 30.43], [80.0, 30.25], [79.7, 30.38], [79.53, 29.97], [79.0, 29.75], [78.47, 29.97], [78.25, 30.5], [78.47, 31.03], [79.0, 31.25], [79.3, 31.13], [79.47, 31.53], [80.0, 31.75]]]]}, "2015-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.0, 31.75], [80.53, 31.53], [80.75, 31.0], [80.57, 30.57], [81.0, 30.75], [81.25, 30.65], [81.5, 30.75], [82.03, 30.53], [82.25, 30.0], [82.03, 29.47], [81.5, 29.25], [81.25, 29.35], [81.0, 29.25], [80.47, 29.47], [80.25, 30.0], [80.43, 30.43], [80.0, 30.25], [79.7, 30.38], [79.53, 29.97], [79.0, 29.75], [78.47, 29.97], [78.25, 30.5], [78.47, 31.03], [79.0, 31.25], [79.3, 31.13], [79.47, 31.53], [80.0, 31.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.690526179584992}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.216317438544082}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-6.903796824328992, -6.29743103175764, -7.295390210832068, -1.7423088895359342, -1.6704749636808174]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.77791783299051, 9.399577853716721, 8.897135788836351, 8.303682116977996, 8.643937675868017]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.2101252379833145, 5.786580851577018, 4.774777755158544, 4.609499719891076, 4.921086912938577]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.107622338377041, 8.690526179584992, 7.5132413922229375, 6.0159238400109984, 5.8426923992627735]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4472453189370018, 1.633092708781351, 1.3994344494136437, 1.3366665402321316, 1.5192230514771965]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9511871187946757, 1.9867551131190473, 1.7761908313114043, 1.41220679077508, 1.646423961576948]}}