{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:48.277203", "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": "2017-Dec-24_to_2017-Dec-26_75.5_45.5"}, "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": 2017120002471}, "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 24 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 26 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 61935.463744070665}, "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": ["Kazakhstan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "W.C.Asia", "W.Siberia"]}, "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": 45.5}, "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": 75.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "75.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 78.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.82, 45.68], [74.97, 46.03], [75.5, 46.25], [75.75, 46.15], [76.0, 46.25], [76.53, 46.03], [76.68, 45.68], [77.0, 45.54], [77.5, 45.75], [78.03, 45.53], [78.18, 45.18], [78.25, 45.15], [78.5, 45.25], [79.03, 45.03], [79.25, 44.5], [79.03, 43.97], [78.68, 43.82], [78.65, 43.75], [78.75, 43.5], [78.53, 42.97], [78.0, 42.75], [77.75, 42.85], [77.5, 42.75], [77.25, 42.85], [77.0, 42.75], [76.75, 42.85], [76.68, 42.82], [76.53, 42.47], [76.0, 42.25], [75.75, 42.35], [75.5, 42.25], [74.97, 42.47], [74.75, 43.0], [74.96, 43.5], [74.82, 43.82], [74.75, 43.85], [74.5, 43.75], [73.97, 43.97], [73.75, 44.5], [73.97, 45.03], [74.32, 45.18], [74.47, 45.53], [74.82, 45.68]]]]}, "2017-12-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.82, 45.68], [74.97, 46.03], [75.5, 46.25], [75.75, 46.15], [76.0, 46.25], [76.53, 46.03], [76.68, 45.68], [77.0, 45.54], [77.5, 45.75], [78.03, 45.53], [78.18, 45.18], [78.25, 45.15], [78.5, 45.25], [79.03, 45.03], [79.25, 44.5], [79.03, 43.97], [78.68, 43.82], [78.65, 43.75], [78.75, 43.5], [78.53, 42.97], [78.0, 42.75], [77.75, 42.85], [77.5, 42.75], [77.25, 42.85], [77.0, 42.75], [76.75, 42.85], [76.68, 42.82], [76.53, 42.47], [76.0, 42.25], [75.75, 42.35], [75.5, 42.25], [74.97, 42.47], [74.75, 43.0], [74.96, 43.5], [74.82, 43.82], [74.75, 43.85], [74.5, 43.75], [73.97, 43.97], [73.75, 44.5], [73.97, 45.03], [74.32, 45.18], [74.47, 45.53], [74.82, 45.68]]]]}, "2017-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.82, 45.68], [74.97, 46.03], [75.5, 46.25], [75.75, 46.15], [76.0, 46.25], [76.53, 46.03], [76.68, 45.68], [77.0, 45.54], [77.5, 45.75], [78.03, 45.53], [78.18, 45.18], [78.25, 45.15], [78.5, 45.25], [79.03, 45.03], [79.25, 44.5], [79.03, 43.97], [78.68, 43.82], [78.65, 43.75], [78.75, 43.5], [78.53, 42.97], [78.0, 42.75], [77.75, 42.85], [77.5, 42.75], [77.25, 42.85], [77.0, 42.75], [76.75, 42.85], [76.68, 42.82], [76.53, 42.47], [76.0, 42.25], [75.75, 42.35], [75.5, 42.25], [74.97, 42.47], [74.75, 43.0], [74.96, 43.5], [74.82, 43.82], [74.75, 43.85], [74.5, 43.75], [73.97, 43.97], [73.75, 44.5], [73.97, 45.03], [74.32, 45.18], [74.47, 45.53], [74.82, 45.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.838666813689656}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.25757247170009}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.6775320513581846, 4.925734216537023, 2.239797505821059]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [3.942235502570668, 9.012203396046232, 4.31537811320203]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.950398591187776, 11.261242392651724, 8.561076431260775]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.774712860682314, 14.838666813689656, 11.653759492878976]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3531707455181239, 1.946328993259728, 1.4394659488650612]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6473185364797835, 2.3111583850008492, 1.8147163463903435]}}