{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:41.517779", "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": "2012-Feb-07_to_2012-Feb-10_93.0_32.0"}, "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": 2012020001995}, "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": "February 07 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 10 2012"}, "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": 52319.31630490463}, "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"]}, "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": 32.0}, "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": 93.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "93.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 96.25}, "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": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.75, 30.5], [91.97, 31.03], [92.32, 31.18], [92.35, 31.25], 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34.03], [95.32, 34.18], [95.47, 34.53], [96.0, 34.75], [96.53, 34.53], [96.75, 34.0], [96.65, 33.75], [96.75, 33.5], [96.53, 32.97], [96.18, 32.82], [96.03, 32.47], [95.68, 32.32], [95.53, 31.97], [95.13, 31.8], [95.25, 31.5], [95.03, 30.97], [94.5, 30.75], [94.25, 30.85], [94.0, 30.75], [93.75, 30.85], [93.68, 30.82], [93.54, 30.5], [93.75, 30.0], [93.53, 29.47], [93.0, 29.25], [92.47, 29.47], [92.32, 29.82], [91.97, 29.97], [91.75, 30.5]]]]}, "2012-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.75, 30.5], [91.97, 31.03], [92.32, 31.18], [92.35, 31.25], [92.25, 31.5], [92.35, 31.75], [92.25, 32.0], [92.47, 32.53], [92.82, 32.68], [92.97, 33.03], [93.5, 33.25], [93.75, 33.15], [93.82, 33.18], [93.97, 33.53], [94.5, 33.75], [94.75, 33.65], [94.82, 33.68], [94.97, 34.03], [95.32, 34.18], [95.47, 34.53], [96.0, 34.75], [96.53, 34.53], [96.75, 34.0], [96.65, 33.75], [96.75, 33.5], [96.53, 32.97], [96.18, 32.82], [96.03, 32.47], [95.68, 32.32], [95.53, 31.97], [95.13, 31.8], [95.25, 31.5], [95.03, 30.97], [94.5, 30.75], [94.25, 30.85], [94.0, 30.75], [93.75, 30.85], [93.68, 30.82], [93.54, 30.5], [93.75, 30.0], [93.53, 29.47], [93.0, 29.25], [92.47, 29.47], [92.32, 29.82], [91.97, 29.97], [91.75, 30.5]]]]}, "2012-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.47, 30.97], [93.25, 31.5], [93.47, 32.03], [94.0, 32.25], [94.25, 32.15], [94.5, 32.25], [95.03, 32.03], [95.25, 31.5], [95.03, 30.97], [94.5, 30.75], [94.25, 30.85], [94.0, 30.75], [93.47, 30.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.88882245817905}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.305942875114123}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-10.155878978280043, -9.142159147043685, -9.840369524248104, -12.450009658794727]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-6.3601755279636905, -5.533487804147569, -7.98089170749455, -12.40898803777219]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.999868049393105, 6.977543050801484, 6.0940909972112305, 4.463133328758602]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.185110127194548, 10.88882245817905, 9.600399243548281, 4.9293096063406665]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.886013307891014, 2.1774098028290387, 1.9395309436728119, 1.4128409634396188]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7865541480944467, 2.9632545621191126, 2.936898666703737, 1.5263210706661907]}}