{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:34.913741", "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": "2024-Oct-27_to_2024-Nov-03_102.5_37.5"}, "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": 2024100002293}, "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": "October 27 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 03 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 236762.17891280501}, "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", "Mongolia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "E.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": 37.5}, "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": 102.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "102.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 99.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.5, 38.25], [101.03, 38.03], [101.25, 37.5], [101.03, 36.97], [100.5, 36.75], [99.97, 36.97], [99.75, 37.5], [99.97, 38.03], [100.5, 38.25]]]]}, "2024-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.47, 36.47], [106.25, 37.0], [106.47, 37.53], [107.0, 37.75], [107.53, 37.53], [107.75, 37.0], [107.53, 36.47], [107.0, 36.25], [106.47, 36.47]]], [[[101.03, 38.53], [101.18, 38.18], [101.25, 38.15], [101.5, 38.25], [101.93, 38.07], [101.75, 38.5], [101.97, 39.03], [102.32, 39.18], [102.47, 39.53], [103.0, 39.75], [103.53, 39.53], [103.75, 39.0], [103.65, 38.75], [103.75, 38.5], [103.65, 38.25], [103.75, 38.0], [103.53, 37.47], [103.18, 37.32], [103.15, 37.25], [103.25, 37.0], [103.03, 36.47], [102.5, 36.25], [101.97, 36.47], [101.8, 36.88], [101.5, 36.75], [101.25, 36.85], [101.0, 36.75], [100.75, 36.85], [100.5, 36.75], [100.25, 36.85], [100.0, 36.75], [99.47, 36.97], [99.25, 37.5], [99.47, 38.03], [99.82, 38.18], [99.97, 38.53], [100.5, 38.75], [101.03, 38.53]]]]}, "2024-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.5, 38.75], [101.03, 38.53], [101.18, 38.18], [101.25, 38.15], [101.32, 38.18], [101.47, 38.53], [101.82, 38.68], [101.85, 38.75], [101.75, 39.0], [101.85, 39.25], [101.75, 39.5], [101.85, 39.75], [101.75, 40.0], [101.85, 40.25], [101.75, 40.5], [101.97, 41.03], [102.5, 41.25], [102.75, 41.15], [103.0, 41.25], [103.25, 41.15], [103.38, 41.2], [103.25, 41.5], [103.47, 42.03], [104.0, 42.25], [104.25, 42.15], [104.32, 42.18], [104.47, 42.53], [105.0, 42.75], [105.53, 42.53], [105.68, 42.18], [105.75, 42.15], [106.0, 42.25], [106.25, 42.15], [106.32, 42.18], [106.47, 42.53], [107.0, 42.75], [107.25, 42.65], [107.5, 42.75], [108.03, 42.53], [108.25, 42.0], [108.15, 41.75], [108.25, 41.5], [108.03, 40.97], [107.68, 40.82], [107.53, 40.47], [107.0, 40.25], [107.25, 40.15], [107.5, 40.25], [108.03, 40.03], [108.25, 39.5], [108.03, 38.97], [107.5, 38.75], [107.75, 38.65], [108.0, 38.75], [108.53, 38.53], [108.75, 38.0], [108.53, 37.47], [108.13, 37.3], [108.25, 37.0], [108.15, 36.75], [108.25, 36.5], [108.03, 35.97], [107.5, 35.75], [107.25, 35.85], [107.0, 35.75], [106.75, 35.85], [106.68, 35.82], [106.65, 35.75], [106.75, 35.5], [106.65, 35.25], [106.75, 35.0], [106.53, 34.47], [106.0, 34.25], [105.47, 34.47], [105.25, 35.0], [105.35, 35.25], [105.32, 35.32], [105.25, 35.35], [105.0, 35.25], [104.47, 35.47], [104.32, 35.82], [103.97, 35.97], [103.75, 36.5], [103.85, 36.75], [103.82, 36.82], [103.75, 36.85], [103.5, 36.75], [103.25, 36.85], [103.18, 36.82], [103.03, 36.47], [102.5, 36.25], [101.97, 36.47], [101.8, 36.88], [101.5, 36.75], [101.25, 36.85], [101.0, 36.75], [100.75, 36.85], [100.5, 36.75], [100.25, 36.85], [100.0, 36.75], [99.47, 36.97], [99.25, 37.5], [99.47, 38.03], [99.82, 38.18], [99.97, 38.53], [100.5, 38.75]], [[106.75, 40.35], [106.68, 40.32], [106.65, 40.25], [106.7, 40.13], [107.0, 40.25], [106.75, 40.35]], [[107.25, 38.85], [107.18, 38.82], [107.07, 38.57], [107.5, 38.75], [107.25, 38.85]], [[106.82, 38.18], [106.93, 38.43], [106.68, 38.32], [106.65, 38.25], [106.7, 38.13], [106.82, 38.18]], [[105.25, 40.5], [105.38, 40.8], [105.25, 40.85], [105.0, 40.75], [104.75, 40.85], [104.63, 40.8], [104.75, 40.5], [104.63, 40.2], [104.75, 40.15], [105.0, 40.25], [105.25, 40.15], [105.32, 40.18], [105.35, 40.25], [105.25, 40.5]]]]}, "2024-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.5, 38.75], [101.03, 38.53], [101.18, 38.18], [101.25, 38.15], [101.32, 38.18], [101.47, 38.53], [101.82, 38.68], [101.85, 38.75], [101.75, 39.0], [101.85, 39.25], [101.75, 39.5], [101.85, 39.75], [101.75, 40.0], [101.85, 40.25], [101.75, 40.5], [101.97, 41.03], [102.5, 41.25], [102.75, 41.15], [103.0, 41.25], [103.25, 41.15], [103.38, 41.2], [103.25, 41.5], [103.47, 42.03], [104.0, 42.25], [104.25, 42.15], [104.32, 42.18], [104.47, 42.53], [105.0, 42.75], [105.53, 42.53], [105.68, 42.18], [105.75, 42.15], [106.0, 42.25], [106.25, 42.15], [106.32, 42.18], [106.47, 42.53], [107.0, 42.75], [107.25, 42.65], [107.5, 42.75], [108.03, 42.53], [108.25, 42.0], [108.15, 41.75], [108.25, 41.5], [108.03, 40.97], [107.68, 40.82], [107.53, 40.47], [107.0, 40.25], [107.25, 40.15], [107.5, 40.25], [108.03, 40.03], [108.25, 39.5], [108.03, 38.97], [107.5, 38.75], [107.75, 38.65], [108.0, 38.75], [108.53, 38.53], [108.75, 38.0], [108.53, 37.47], [108.13, 37.3], [108.25, 37.0], [108.15, 36.75], [108.25, 36.5], [108.03, 35.97], [107.5, 35.75], [107.25, 35.85], [107.0, 35.75], [106.75, 35.85], [106.68, 35.82], [106.65, 35.75], [106.75, 35.5], [106.65, 35.25], [106.75, 35.0], [106.53, 34.47], [106.0, 34.25], [105.47, 34.47], [105.32, 34.82], [105.25, 34.85], [105.0, 34.75], [104.47, 34.97], [104.32, 35.32], [103.97, 35.47], [103.75, 36.0], [103.85, 36.25], [103.75, 36.5], [103.85, 36.75], [103.82, 36.82], [103.75, 36.85], [103.5, 36.75], [103.25, 36.85], [103.18, 36.82], [103.03, 36.47], [102.5, 36.25], [101.97, 36.47], [101.8, 36.88], [101.5, 36.75], [101.25, 36.85], [101.0, 36.75], [100.75, 36.85], [100.5, 36.75], [100.25, 36.85], [100.0, 36.75], [99.47, 36.97], [99.25, 37.5], [99.47, 38.03], [99.82, 38.18], [99.97, 38.53], [100.5, 38.75]], [[106.75, 40.35], [106.68, 40.32], [106.65, 40.25], [106.7, 40.13], [107.0, 40.25], [106.75, 40.35]], [[107.25, 38.85], [107.18, 38.82], [107.07, 38.57], [107.5, 38.75], [107.25, 38.85]], [[106.82, 38.18], [106.93, 38.43], [106.68, 38.32], [106.65, 38.25], [106.7, 38.13], [106.82, 38.18]], [[105.25, 40.5], [105.38, 40.8], [105.25, 40.85], [105.0, 40.75], [104.75, 40.85], [104.63, 40.8], [104.75, 40.5], [104.63, 40.2], [104.75, 40.15], [105.0, 40.25], [105.25, 40.15], [105.32, 40.18], [105.35, 40.25], [105.25, 40.5]]]]}, "2024-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 36.97], [100.25, 37.5], [100.47, 38.03], [101.0, 38.25], [101.25, 38.15], [101.32, 38.18], [101.47, 38.53], [101.82, 38.68], [101.85, 38.75], [101.75, 39.0], [101.85, 39.25], [101.75, 39.5], [101.85, 39.75], [101.75, 40.0], [101.85, 40.25], [101.75, 40.5], [101.97, 41.03], [102.5, 41.25], [102.75, 41.15], [103.0, 41.25], [103.25, 41.15], [103.38, 41.2], [103.25, 41.5], [103.47, 42.03], [104.0, 42.25], [104.25, 42.15], [104.32, 42.18], [104.47, 42.53], [105.0, 42.75], [105.53, 42.53], [105.68, 42.18], [105.75, 42.15], [106.0, 42.25], [106.25, 42.15], [106.32, 42.18], [106.47, 42.53], [107.0, 42.75], [107.25, 42.65], [107.5, 42.75], [108.03, 42.53], [108.25, 42.0], [108.15, 41.75], [108.25, 41.5], [108.03, 40.97], [107.68, 40.82], [107.54, 40.5], [107.68, 40.18], [108.03, 40.03], [108.25, 39.5], [108.03, 38.97], [107.5, 38.75], [107.75, 38.65], [108.0, 38.75], [108.53, 38.53], [108.75, 38.0], [108.53, 37.47], [108.13, 37.3], [108.25, 37.0], [108.15, 36.75], [108.25, 36.5], [108.03, 35.97], [107.5, 35.75], [107.25, 35.85], [107.0, 35.75], [106.75, 35.85], [106.68, 35.82], [106.65, 35.75], [106.75, 35.5], [106.65, 35.25], [106.75, 35.0], [106.53, 34.47], [106.0, 34.25], [105.47, 34.47], [105.32, 34.82], [105.25, 34.85], [105.0, 34.75], [104.47, 34.97], [104.32, 35.32], [103.97, 35.47], [103.75, 36.0], [103.85, 36.25], [103.75, 36.5], [103.85, 36.75], [103.82, 36.82], [103.75, 36.85], [103.5, 36.75], [103.25, 36.85], [103.18, 36.82], [103.03, 36.47], [102.5, 36.25], [101.97, 36.47], [101.8, 36.88], [101.5, 36.75], [101.25, 36.85], [101.0, 36.75], [100.47, 36.97]], [[107.25, 38.85], [107.18, 38.82], [107.07, 38.57], [107.5, 38.75], [107.25, 38.85]], [[106.82, 38.18], [106.93, 38.43], [106.68, 38.32], [106.65, 38.25], [106.7, 38.13], [106.82, 38.18]], [[105.25, 40.5], [105.38, 40.8], [105.25, 40.85], [105.0, 40.75], [104.75, 40.85], [104.63, 40.8], [104.75, 40.5], [104.63, 40.2], [104.75, 40.15], [105.0, 40.25], [105.25, 40.15], [105.32, 40.18], [105.35, 40.25], [105.25, 40.5]]]]}, "2024-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.5, 38.25], [103.03, 38.03], [103.25, 37.5], [103.15, 37.25], [103.25, 37.0], [103.03, 36.47], [102.5, 36.25], [101.97, 36.47], [101.75, 37.0], [101.85, 37.25], [101.75, 37.5], [101.97, 38.03], [102.5, 38.25]]], [[[103.97, 38.03], [104.5, 38.25], [104.75, 38.15], [104.82, 38.18], [104.85, 38.25], [104.75, 38.5], [104.85, 38.75], [104.82, 38.82], [104.47, 38.97], [104.25, 39.5], [104.47, 40.03], [105.0, 40.25], [105.3, 40.13], [105.47, 40.53], [105.82, 40.68], [105.97, 41.03], [106.32, 41.18], [106.47, 41.53], [106.82, 41.68], [106.97, 42.03], [107.5, 42.25], [108.03, 42.03], [108.25, 41.5], [108.03, 40.97], [107.68, 40.82], [107.54, 40.5], [107.68, 40.18], [108.03, 40.03], [108.25, 39.5], [108.03, 38.97], [107.5, 38.75], [107.25, 38.85], [107.18, 38.82], [107.03, 38.47], [106.68, 38.32], [106.65, 38.25], [106.7, 38.13], [107.0, 38.25], [107.53, 38.03], [107.75, 37.5], [107.65, 37.25], [107.75, 37.0], [107.53, 36.47], [107.18, 36.32], [107.03, 35.97], [106.68, 35.82], [106.65, 35.75], [106.75, 35.5], [106.53, 34.97], [106.0, 34.75], [105.75, 34.85], [105.5, 34.75], [105.25, 34.85], [105.0, 34.75], [104.47, 34.97], [104.32, 35.32], [103.97, 35.47], [103.75, 36.0], [103.85, 36.25], [103.75, 36.5], [103.96, 37.0], [103.75, 37.5], [103.97, 38.03]]], [[[102.25, 40.0], [102.47, 40.53], [103.0, 40.75], [103.53, 40.53], [103.75, 40.0], [103.53, 39.47], [103.0, 39.25], [102.47, 39.47], [102.25, 40.0]]]]}, "2024-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.5, 38.25], [103.03, 38.03], [103.25, 37.5], [103.15, 37.25], [103.25, 37.0], [103.03, 36.47], [102.5, 36.25], [101.97, 36.47], [101.75, 37.0], [101.85, 37.25], [101.75, 37.5], [101.97, 38.03], [102.5, 38.25]]], [[[103.97, 38.03], [104.5, 38.25], [104.75, 38.15], [104.82, 38.18], [104.85, 38.25], [104.75, 38.5], [104.85, 38.75], [104.82, 38.82], [104.47, 38.97], [104.25, 39.5], [104.47, 40.03], [105.0, 40.25], [105.3, 40.13], [105.47, 40.53], [105.82, 40.68], [105.97, 41.03], [106.32, 41.18], [106.47, 41.53], [107.0, 41.75], [107.53, 41.53], [107.75, 41.0], [107.54, 40.5], [107.68, 40.18], [108.03, 40.03], [108.25, 39.5], [108.03, 38.97], [107.5, 38.75], [107.25, 38.85], [107.18, 38.82], [107.03, 38.47], [106.68, 38.32], [106.65, 38.25], [106.7, 38.13], [107.0, 38.25], [107.53, 38.03], [107.75, 37.5], [107.65, 37.25], [107.75, 37.0], [107.53, 36.47], [107.18, 36.32], [107.03, 35.97], [106.68, 35.82], [106.65, 35.75], [106.75, 35.5], [106.53, 34.97], [106.0, 34.75], [105.75, 34.85], [105.5, 34.75], [105.25, 34.85], [105.0, 34.75], [104.47, 34.97], [104.32, 35.32], [103.97, 35.47], [103.75, 36.0], [103.85, 36.25], [103.75, 36.5], [103.96, 37.0], [103.75, 37.5], [103.97, 38.03]]], [[[102.25, 40.0], [102.47, 40.53], [103.0, 40.75], [103.53, 40.53], [103.75, 40.0], [103.53, 39.47], [103.0, 39.25], [102.47, 39.47], [102.25, 40.0]]]]}, "2024-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.5, 36.25], [106.03, 36.03], [106.25, 35.5], [106.03, 34.97], [105.5, 34.75], [104.97, 34.97], [104.75, 35.5], [104.97, 36.03], [105.5, 36.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.483734567523868}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.608506891800023}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-2.557713572184241, 3.076288265652181, 9.225110680911769, 8.721842278374595, 8.375689737420373, 8.318269093831361, 8.856855923905357, 7.74103953043624]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-2.557713572184241, 10.471504465738974, 13.029904937744163, 11.97113952636721, 11.444427744547568, 10.99699427286788, 12.496101633707724, 7.74103953043624]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9440061375155437, 4.598930270413841, 5.091181376295537, 4.792422240870301, 4.27947206647181, 3.8984270732543904, 4.596467875685393, 2.974349310364687]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.9440061375155437, 5.963405931174179, 7.483734567523868, 7.2338534148397, 5.716637361963535, 4.775192350661371, 6.689342158554496, 2.974349310364687]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2650875366642644, 1.4304305827909474, 1.6226871521371349, 1.5228573631994455, 1.3697120689989075, 1.2982482562743143, 1.555257851264815, 1.1929943468542286]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2650875366642644, 1.6996932001243614, 2.247772975246707, 2.152136471984285, 2.076050401792196, 1.5709377031876688, 2.180197071907106, 1.1929943468542286]}}