{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:37.063358", "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": "2019-Apr-20_to_2019-Apr-23_63.0_28.5"}, "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": 2019040002300}, "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": "April 20 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 23 2019"}, "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": 91771.76826407993}, "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": ["Afghanistan", "Iran", "Pakistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "W.C.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": 28.5}, "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": 63.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "63.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 62.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 66.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.85, 28.25], [61.75, 28.5], [61.97, 29.03], [62.5, 29.25], [62.75, 29.15], [63.0, 29.25], [63.53, 29.03], [63.68, 28.68], [64.03, 28.53], [64.25, 28.0], [64.03, 27.47], [63.68, 27.32], [63.53, 26.97], [63.0, 26.75], [62.75, 26.85], [62.5, 26.75], [61.97, 26.97], [61.75, 27.5], [61.85, 27.75], [61.75, 28.0], [61.85, 28.25]]]]}, "2019-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.85, 28.25], [61.75, 28.5], [61.97, 29.03], [62.5, 29.25], [62.75, 29.15], [63.0, 29.25], [63.3, 29.13], [63.46, 29.5], [63.25, 30.0], [63.47, 30.53], [63.82, 30.68], [63.97, 31.03], [64.32, 31.18], [64.47, 31.53], [65.0, 31.75], [65.25, 31.65], [65.5, 31.75], [65.75, 31.65], [66.0, 31.75], [66.53, 31.53], [66.75, 31.0], [66.65, 30.75], [66.75, 30.5], [66.65, 30.25], [66.75, 30.0], [66.65, 29.75], [66.75, 29.5], [66.65, 29.25], [66.75, 29.0], [66.53, 28.47], [66.18, 28.32], [66.15, 28.25], [66.25, 28.0], [66.03, 27.47], [65.5, 27.25], [65.25, 27.35], [65.18, 27.32], [65.03, 26.97], [64.5, 26.75], [63.97, 26.97], [63.82, 27.32], [63.75, 27.35], [63.68, 27.32], [63.53, 26.97], [63.0, 26.75], [62.75, 26.85], [62.5, 26.75], [61.97, 26.97], [61.75, 27.5], [61.85, 27.75], [61.75, 28.0], [61.85, 28.25]]]]}, "2019-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.85, 28.25], [61.75, 28.5], [61.97, 29.03], [62.5, 29.25], [62.75, 29.15], [63.0, 29.25], [63.3, 29.13], [63.46, 29.5], [63.25, 30.0], [63.47, 30.53], [63.82, 30.68], [63.97, 31.03], [64.32, 31.18], [64.47, 31.53], [65.0, 31.75], [65.25, 31.65], [65.5, 31.75], [65.75, 31.65], [66.0, 31.75], [66.53, 31.53], [66.75, 31.0], [66.65, 30.75], [66.75, 30.5], [66.65, 30.25], [66.75, 30.0], [66.65, 29.75], [66.75, 29.5], [66.65, 29.25], [66.75, 29.0], [66.53, 28.47], [66.18, 28.32], [66.15, 28.25], [66.25, 28.0], [66.03, 27.47], [65.5, 27.25], [65.25, 27.35], [65.18, 27.32], [65.03, 26.97], [64.5, 26.75], [63.97, 26.97], [63.82, 27.32], [63.75, 27.35], [63.68, 27.32], [63.53, 26.97], [63.0, 26.75], [62.75, 26.85], [62.5, 26.75], [61.97, 26.97], [61.75, 27.5], [61.85, 27.75], [61.75, 28.0], [61.85, 28.25]]]]}, "2019-04-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.47, 27.97], [62.25, 28.5], [62.47, 29.03], [63.0, 29.25], [63.3, 29.13], [63.46, 29.5], [63.25, 30.0], [63.47, 30.53], [63.82, 30.68], [63.97, 31.03], [64.32, 31.18], [64.47, 31.53], [65.0, 31.75], [65.25, 31.65], [65.5, 31.75], [65.75, 31.65], [66.0, 31.75], [66.53, 31.53], [66.75, 31.0], [66.65, 30.75], [66.75, 30.5], [66.65, 30.25], [66.75, 30.0], [66.65, 29.75], [66.75, 29.5], [66.65, 29.25], [66.75, 29.0], [66.53, 28.47], [66.18, 28.32], [66.15, 28.25], [66.25, 28.0], [66.03, 27.47], [65.5, 27.25], [65.25, 27.35], [65.18, 27.32], [65.03, 26.97], [64.5, 26.75], [63.97, 26.97], [63.82, 27.32], [63.47, 27.47], [63.3, 27.88], [63.0, 27.75], [62.47, 27.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.005389298527746}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.2165092857796385}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.36803663817699, 30.512557014992296, 31.079325524507965, 30.51388242445637]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.04519777303648, 34.01946883893805, 34.768824044558755, 34.140532662776764]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7940805135365605, 4.164305200903215, 4.493395970643927, 4.049287607426574]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.319940464744548, 5.6537189116516515, 6.005389298527746, 4.893377081493213]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3308619444918393, 1.4329285511453944, 1.5821377686456155, 1.5012200418835282]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4372425423486888, 1.7608705292413358, 1.8720906452391217, 1.7817527988692903]}}