{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:55.369505", "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": "2020-Jul-22_to_2020-Jul-25_103.5_27.5"}, "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": 2020070002764}, "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": "July 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 2020"}, "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": 66191.96726287491}, "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": ["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": []}, "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": 27.5}, "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": 103.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "103.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 102.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 28.0], [102.47, 28.53], [103.0, 28.75], [103.53, 28.53], [103.68, 28.18], [103.75, 28.15], [104.0, 28.25], [104.53, 28.03], [104.68, 27.68], [105.03, 27.53], [105.25, 27.0], [105.03, 26.47], [104.5, 26.25], [103.97, 26.47], [103.82, 26.82], [103.75, 26.85], [103.5, 26.75], [102.97, 26.97], [102.82, 27.32], [102.47, 27.47], [102.25, 28.0]]]]}, "2020-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.85, 27.75], [101.75, 28.0], [101.97, 28.53], [102.5, 28.75], [102.75, 28.65], [103.0, 28.75], [103.53, 28.53], [103.68, 28.18], [103.75, 28.15], [104.0, 28.25], [104.25, 28.15], [104.5, 28.25], [104.75, 28.15], [105.0, 28.25], [105.25, 28.15], [105.5, 28.25], [106.03, 28.03], [106.25, 27.5], [106.04, 27.0], [106.25, 26.5], [106.15, 26.25], [106.25, 26.0], [106.15, 25.75], [106.25, 25.5], [106.03, 24.97], [105.5, 24.75], [105.25, 24.85], [105.0, 24.75], [104.75, 24.85], [104.5, 24.75], [103.97, 24.97], [103.75, 25.5], [103.85, 25.75], [103.8, 25.88], [103.5, 25.75], [102.97, 25.97], [102.8, 26.38], [102.5, 26.25], [101.97, 26.47], [101.75, 27.0], [101.85, 27.25], [101.75, 27.5], [101.85, 27.75]]]]}, "2020-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.85, 27.75], [101.75, 28.0], [101.97, 28.53], [102.5, 28.75], [102.75, 28.65], [103.0, 28.75], [103.53, 28.53], [103.68, 28.18], [103.75, 28.15], [104.0, 28.25], [104.25, 28.15], [104.5, 28.25], [104.75, 28.15], [105.0, 28.25], [105.25, 28.15], [105.5, 28.25], [106.03, 28.03], [106.25, 27.5], [106.04, 27.0], [106.25, 26.5], [106.15, 26.25], [106.25, 26.0], [106.15, 25.75], [106.25, 25.5], [106.03, 24.97], [105.5, 24.75], [105.25, 24.85], [105.0, 24.75], [104.75, 24.85], [104.5, 24.75], [103.97, 24.97], [103.75, 25.5], [103.85, 25.75], [103.8, 25.88], [103.5, 25.75], [102.97, 25.97], [102.8, 26.38], [102.5, 26.25], [101.97, 26.47], [101.75, 27.0], [101.85, 27.25], [101.75, 27.5], [101.85, 27.75]]]]}, "2020-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.85, 27.75], [101.75, 28.0], [101.97, 28.53], [102.5, 28.75], [102.75, 28.65], [103.0, 28.75], [103.53, 28.53], [103.68, 28.18], [103.75, 28.15], [104.0, 28.25], [104.25, 28.15], [104.5, 28.25], [104.75, 28.15], [105.0, 28.25], [105.25, 28.15], [105.5, 28.25], [106.03, 28.03], [106.25, 27.5], [106.04, 27.0], [106.25, 26.5], [106.15, 26.25], [106.25, 26.0], [106.15, 25.75], [106.25, 25.5], [106.03, 24.97], [105.5, 24.75], [105.25, 24.85], [105.0, 24.75], [104.75, 24.85], [104.5, 24.75], [103.97, 24.97], [103.75, 25.5], [103.85, 25.75], [103.8, 25.88], [103.5, 25.75], [102.97, 25.97], [102.8, 26.38], [102.5, 26.25], [101.97, 26.47], [101.75, 27.0], [101.85, 27.25], [101.75, 27.5], [101.85, 27.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7538911380955824}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7494014618022207}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.27019396560388, 22.71204900621393, 23.460004952161114, 23.473852599436952]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.669710748431044, 25.991963677991805, 26.79862520255557, 27.460102855197363]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.243513351755368, 2.262647527619078, 3.03330877594694, 3.0365627668484527]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4719706378130013, 3.255412674462889, 3.6960462930132394, 3.7538911380955824]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.45729506121149, 1.5442625222357522, 2.1049598436491874, 2.2011742699222663]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5382621139822228, 1.9875877772128296, 2.3914932503208735, 3.0110780608987504]}}