{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:08.191657", "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": "2010-Feb-07_to_2010-Feb-10_106.0_-72.0"}, "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": 2010020001296}, "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 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 10 2010"}, "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": 133831.21955920724}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": -72.0}, "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": 106.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.0\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": 119.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -73.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -69.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.25, -72.0], [112.47, -71.47], [112.82, -71.32], [112.97, -70.97], [113.5, -70.75], [113.75, -70.85], [114.0, -70.75], [114.25, -70.85], [114.5, -70.75], [114.75, -70.85], [115.0, -70.75], [115.25, -70.85], [115.5, -70.75], [116.03, -70.97], [116.18, -71.32], [116.25, -71.35], [116.5, -71.25], [116.75, -71.35], [117.0, -71.25], [117.25, -71.35], [117.32, -71.32], [117.47, -70.97], [118.0, -70.75], [118.53, -70.97], [118.68, -71.32], [119.03, -71.47], [119.18, -71.82], [119.25, -71.85], [119.5, -71.75], [120.03, -71.97], [120.25, -72.5], [120.03, -73.03], [119.5, -73.25], [119.25, -73.15], [119.0, -73.25], [118.75, -73.15], [118.68, -73.18], [118.53, -73.53], [118.0, -73.75], [117.75, -73.65], [117.5, -73.75], [117.25, -73.65], [117.0, -73.75], [116.47, -73.53], [116.32, -73.18], [116.25, -73.15], [116.0, -73.25], [115.47, -73.03], [115.32, -72.68], [115.25, -72.65], [115.18, -72.68], [115.03, -73.03], [114.5, -73.25], [114.25, -73.15], [114.0, -73.25], [113.75, -73.15], [113.5, -73.25], [112.97, -73.03], [112.82, -72.68], [112.47, -72.53], [112.25, -72.0]]]]}, "2010-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.97, -69.47], [102.5, -69.25], [102.75, -69.35], [103.0, -69.25], [103.25, -69.35], [103.5, -69.25], [103.75, -69.35], [104.0, -69.25], [104.25, -69.35], [104.5, -69.25], [104.75, -69.35], [105.0, -69.25], [105.25, -69.35], [105.5, -69.25], [105.75, -69.35], [106.0, -69.25], [106.25, -69.35], [106.5, -69.25], [107.03, -69.47], [107.18, -69.82], [107.25, -69.85], [107.5, -69.75], [107.75, -69.85], [108.0, -69.75], [108.25, -69.85], [108.5, -69.75], [109.03, -69.97], [109.18, -70.32], [109.25, -70.35], [109.5, -70.25], [109.75, -70.35], [110.0, -70.25], [110.25, -70.35], [110.5, -70.25], [111.03, -70.47], [111.18, -70.82], [111.25, -70.85], [111.5, -70.75], [112.03, -70.97], [112.18, -71.32], [112.5, -71.46], [112.82, -71.32], [112.97, -70.97], [113.5, -70.75], [113.75, -70.85], [114.0, -70.75], [114.25, -70.85], [114.5, -70.75], [114.75, -70.85], [115.0, -70.75], [115.25, -70.85], [115.5, -70.75], [116.03, -70.97], [116.18, -71.32], [116.25, -71.35], [116.5, -71.25], [116.75, -71.35], [117.0, -71.25], [117.25, -71.35], [117.32, -71.32], [117.47, -70.97], [118.0, -70.75], [118.53, -70.97], [118.68, -71.32], [119.03, -71.47], [119.18, -71.82], [119.25, -71.85], [119.5, -71.75], [120.03, -71.97], [120.25, -72.5], [120.03, -73.03], [119.5, -73.25], [119.25, -73.15], [119.0, -73.25], [118.75, -73.15], [118.68, -73.18], [118.53, -73.53], [118.0, -73.75], [117.75, -73.65], [117.5, -73.75], [117.25, -73.65], [117.0, -73.75], [116.47, -73.53], [116.32, -73.18], [116.25, -73.15], [116.0, -73.25], [115.47, -73.03], [115.32, -72.68], [115.25, -72.65], [115.18, -72.68], [115.03, -73.03], [114.5, -73.25], [114.25, -73.15], [114.0, -73.25], [113.75, -73.15], [113.5, -73.25], [113.0, -73.04], [112.5, -73.25], [112.25, -73.15], [112.0, -73.25], [111.75, -73.15], [111.68, -73.18], [111.65, -73.25], [111.75, -73.5], [111.53, -74.03], [111.0, -74.25], [110.75, -74.15], [110.5, -74.25], [110.0, -74.04], [109.5, -74.25], [109.0, -74.04], [108.5, -74.25], [108.25, -74.15], [108.0, -74.25], [107.75, -74.15], [107.5, -74.25], [107.25, -74.15], [107.0, -74.25], [106.75, -74.15], [106.5, -74.25], [106.25, -74.15], [106.0, -74.25], [105.47, -74.03], [105.32, -73.68], [104.97, -73.53], [104.82, -73.18], [104.47, -73.03], [104.32, -72.68], [104.25, -72.65], [104.0, -72.75], [103.75, -72.65], [103.5, -72.75], [102.97, -72.53], [102.75, -72.0], [102.85, -71.75], [102.82, -71.68], [102.75, -71.65], [102.5, -71.75], [101.97, -71.53], [101.75, -71.0], [101.96, -70.5], [101.75, -70.0], [101.97, -69.47]]]]}, "2010-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.97, -69.47], [102.5, -69.25], [102.75, -69.35], [103.0, -69.25], [103.25, -69.35], [103.5, -69.25], [103.75, -69.35], [104.0, -69.25], [104.25, -69.35], [104.5, -69.25], [104.75, -69.35], [105.0, -69.25], [105.25, -69.35], [105.5, -69.25], [105.75, -69.35], [106.0, -69.25], [106.25, -69.35], [106.5, -69.25], [107.03, -69.47], [107.18, -69.82], [107.25, -69.85], [107.5, -69.75], [107.75, -69.85], [108.0, -69.75], [108.25, -69.85], [108.5, -69.75], [109.03, -69.97], [109.18, -70.32], [109.25, -70.35], [109.5, -70.25], [109.75, -70.35], [110.0, -70.25], [110.25, -70.35], [110.5, -70.25], [111.03, -70.47], [111.18, -70.82], [111.25, -70.85], [111.5, -70.75], [112.03, -70.97], [112.18, -71.32], [112.5, -71.46], [112.82, -71.32], [112.97, -70.97], [113.5, -70.75], [113.75, -70.85], [114.0, -70.75], [114.25, -70.85], [114.5, -70.75], [114.75, -70.85], [115.0, -70.75], [115.25, -70.85], [115.5, -70.75], [116.03, -70.97], [116.18, -71.32], [116.25, -71.35], [116.5, -71.25], [116.75, -71.35], [117.0, -71.25], [117.25, -71.35], [117.32, -71.32], [117.47, -70.97], [118.0, -70.75], [118.53, -70.97], [118.68, -71.32], [119.03, -71.47], [119.18, -71.82], [119.25, -71.85], [119.5, -71.75], [120.03, -71.97], [120.25, -72.5], [120.03, -73.03], [119.5, -73.25], [119.25, -73.15], [119.0, -73.25], [118.75, -73.15], [118.68, -73.18], [118.53, -73.53], [118.0, -73.75], [117.75, -73.65], [117.5, -73.75], [117.25, -73.65], [117.0, -73.75], [116.47, -73.53], [116.32, -73.18], [116.25, -73.15], [116.0, -73.25], [115.47, -73.03], [115.32, -72.68], [115.25, -72.65], [115.18, -72.68], [115.03, -73.03], [114.5, -73.25], [114.25, -73.15], [114.0, -73.25], [113.75, -73.15], [113.5, -73.25], [113.0, -73.04], [112.5, -73.25], [112.25, -73.15], [112.0, -73.25], [111.75, -73.15], [111.68, -73.18], [111.65, -73.25], [111.75, -73.5], [111.53, -74.03], [111.0, -74.25], [110.75, -74.15], [110.5, -74.25], [110.0, -74.04], [109.5, -74.25], [109.0, -74.04], [108.5, -74.25], [108.25, -74.15], [108.0, -74.25], [107.75, -74.15], [107.5, -74.25], [107.25, -74.15], [107.0, -74.25], [106.75, -74.15], [106.5, -74.25], [106.25, -74.15], [106.0, -74.25], [105.47, -74.03], [105.32, -73.68], [104.97, -73.53], [104.82, -73.18], [104.47, -73.03], [104.32, -72.68], [104.25, -72.65], [104.0, -72.75], [103.75, -72.65], [103.5, -72.75], [102.97, -72.53], [102.75, -72.0], [102.85, -71.75], [102.82, -71.68], [102.75, -71.65], [102.5, -71.75], [101.97, -71.53], [101.75, -71.0], [101.96, -70.5], [101.75, -70.0], [101.97, -69.47]]]]}, "2010-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.97, -69.47], [102.5, -69.25], [102.75, -69.35], [103.0, -69.25], [103.25, -69.35], [103.5, -69.25], [103.75, -69.35], [104.0, -69.25], [104.25, -69.35], [104.5, -69.25], [104.75, -69.35], [105.0, -69.25], [105.25, -69.35], [105.5, -69.25], [105.75, -69.35], [106.0, -69.25], [106.25, -69.35], [106.5, -69.25], [107.03, -69.47], [107.18, -69.82], [107.25, -69.85], [107.5, -69.75], [107.75, -69.85], [108.0, -69.75], [108.25, -69.85], [108.5, -69.75], [109.03, -69.97], [109.18, -70.32], [109.25, -70.35], [109.5, -70.25], [109.75, -70.35], [110.0, -70.25], [110.25, -70.35], [110.5, -70.25], [111.03, -70.47], [111.18, -70.82], [111.25, -70.85], [111.5, -70.75], [112.03, -70.97], [112.18, -71.32], [112.53, -71.47], [112.68, -71.82], [113.03, -71.97], [113.25, -72.5], [113.03, -73.03], [112.5, -73.25], [112.25, -73.15], [112.0, -73.25], [111.75, -73.15], [111.68, -73.18], [111.65, -73.25], [111.75, -73.5], [111.53, -74.03], [111.0, -74.25], [110.75, -74.15], [110.5, -74.25], [110.0, -74.04], [109.5, -74.25], [109.0, -74.04], [108.5, -74.25], [108.25, -74.15], [108.0, -74.25], [107.75, -74.15], [107.5, -74.25], [107.25, -74.15], [107.0, -74.25], [106.75, -74.15], [106.5, -74.25], [106.25, -74.15], [106.0, -74.25], [105.47, -74.03], [105.32, -73.68], [104.97, -73.53], [104.82, -73.18], [104.47, -73.03], [104.32, -72.68], [104.25, -72.65], [104.0, -72.75], [103.75, -72.65], [103.5, -72.75], [102.97, -72.53], [102.75, -72.0], [102.85, -71.75], [102.82, -71.68], [102.75, -71.65], [102.5, -71.75], [101.97, -71.53], [101.75, -71.0], [101.96, -70.5], [101.75, -70.0], [101.97, -69.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.111306693270734}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.577132564085622}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-26.66087364011392, -21.16705248781534, -22.94518969338685, -27.20733443464121]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-24.244892316828896, -17.957915110740288, -19.585436198660176, -22.936284434526073]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.7435027975848225, 11.812876654382977, 10.450577297296562, 6.667331156079828]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.02343800909901, 13.111306693270734, 11.834704739866993, 7.7967938161645804]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3097666261676024, 2.675938501355567, 2.3412356383337163, 1.4854161181765477]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3354483141375246, 2.9460681563440323, 2.6436159365984544, 1.648314758286976]}}