{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:48.351506", "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-Aug-25_to_2017-Aug-27_99.0_-1.0"}, "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": 2017080002738}, "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": "August 25 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 27 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": 55629.515934558105}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": ["Indian Ocean"]}, "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": -1.0}, "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": 99.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "99.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 97.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 100.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.35, 0.25], [97.25, 0.5], [97.47, 1.03], [98.0, 1.25], [98.25, 1.15], [98.5, 1.25], [99.0, 1.04], [99.5, 1.25], [100.03, 1.03], [100.25, 0.5], [100.15, 0.25], [100.18, 0.18], [100.53, 0.03], [100.68, -0.32], [101.03, -0.47], [101.25, -1.0], [101.03, -1.53], [100.5, -1.75], [100.2, -1.63], [100.15, -1.75], [100.25, -2.0], [100.03, -2.53], [99.5, -2.75], [99.25, -2.65], [99.0, -2.75], [98.75, -2.65], [98.5, -2.75], [97.97, -2.53], [97.75, -2.0], [97.85, -1.75], [97.75, -1.5], [97.88, -1.2], [97.47, -1.03], [97.25, -0.5], [97.35, -0.25], [97.25, 0.0], [97.35, 0.25]]]]}, "2017-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.35, 0.25], [97.25, 0.5], [97.47, 1.03], [98.0, 1.25], [98.25, 1.15], [98.5, 1.25], [99.0, 1.04], [99.5, 1.25], [100.03, 1.03], [100.25, 0.5], [100.15, 0.25], [100.18, 0.18], [100.53, 0.03], [100.68, -0.32], [101.03, -0.47], [101.25, -1.0], [101.03, -1.53], [100.5, -1.75], [100.2, -1.63], [100.15, -1.75], [100.25, -2.0], [100.03, -2.53], [99.5, -2.75], [99.25, -2.65], [99.0, -2.75], [98.75, -2.65], [98.5, -2.75], [97.97, -2.53], [97.75, -2.0], [97.85, -1.75], [97.75, -1.5], [97.88, -1.2], [97.47, -1.03], [97.25, -0.5], [97.35, -0.25], [97.25, 0.0], [97.35, 0.25]]]]}, "2017-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.35, 0.25], [97.25, 0.5], [97.47, 1.03], [98.0, 1.25], [98.25, 1.15], [98.5, 1.25], [99.0, 1.04], [99.5, 1.25], [100.03, 1.03], [100.25, 0.5], [100.15, 0.25], [100.18, 0.18], [100.53, 0.03], [100.68, -0.32], [101.03, -0.47], [101.25, -1.0], [101.03, -1.53], [100.5, -1.75], [100.2, -1.63], [100.15, -1.75], [100.25, -2.0], [100.03, -2.53], [99.5, -2.75], [99.25, -2.65], [99.0, -2.75], [98.75, -2.65], [98.5, -2.75], [97.97, -2.53], [97.75, -2.0], [97.85, -1.75], [97.75, -1.5], [97.88, -1.2], [97.47, -1.03], [97.25, -0.5], [97.35, -0.25], [97.25, 0.0], [97.35, 0.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.881035977518934}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.285683058257388}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.228988876109838, 27.738571656526858, 27.357926084365943]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.99752332930609, 28.583136062490496, 28.041902681626937]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.06058789614796, 1.5856921025294293, 1.2107691760947747]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3626905914695158, 1.881035977518934, 1.4164811995120772]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.583061049806937, 2.3930691225405876, 1.827448319952624]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9404517976499704, 2.9869598305238614, 2.171395045376489]}}