{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:33.640727", "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-Jan-30_to_2012-Feb-08_98.0_19.5"}, "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": 2012010002732}, "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": "January 30 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 08 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 92941.25682069457}, "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", "Laos", "Myanmar", "Thailand"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "S.Asia", "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": []}, "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": 19.5}, "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": 98.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "98.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 97.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 101.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.5, 20.75], [99.03, 20.53], [99.25, 20.0], [99.04, 19.5], [99.25, 19.0], [99.03, 18.47], [98.5, 18.25], [97.97, 18.47], [97.75, 19.0], [97.96, 19.5], [97.75, 20.0], [97.97, 20.53], [98.5, 20.75]]], [[[99.97, 20.97], [99.75, 21.5], [99.97, 22.03], [100.5, 22.25], [101.03, 22.03], [101.25, 21.5], [101.03, 20.97], [100.5, 20.75], [99.97, 20.97]]]]}, "2012-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.97, 20.03], [97.32, 20.18], [97.47, 20.53], [97.82, 20.68], [97.97, 21.03], [98.5, 21.25], [98.75, 21.15], [98.82, 21.18], [98.97, 21.53], [99.32, 21.68], [99.47, 22.03], [100.0, 22.25], [100.25, 22.15], [100.5, 22.25], [101.03, 22.03], [101.25, 21.5], [101.15, 21.25], [101.18, 21.18], [101.25, 21.15], [101.5, 21.25], [102.03, 21.03], [102.25, 20.5], [102.15, 20.25], [102.25, 20.0], [102.03, 19.47], [101.5, 19.25], [101.25, 19.35], [101.0, 19.25], [100.75, 19.35], [100.68, 19.32], [100.53, 18.97], [100.0, 18.75], [99.5, 18.96], [99.18, 18.82], [99.03, 18.47], [98.5, 18.25], [98.25, 18.35], [98.0, 18.25], [97.75, 18.35], [97.5, 18.25], [96.97, 18.47], [96.75, 19.0], [96.85, 19.25], [96.75, 19.5], [96.97, 20.03]]]]}, "2012-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.97, 20.03], [97.32, 20.18], [97.47, 20.53], [97.82, 20.68], [97.97, 21.03], [98.5, 21.25], [98.75, 21.15], [98.82, 21.18], [98.97, 21.53], [99.32, 21.68], [99.47, 22.03], [100.0, 22.25], [100.25, 22.15], [100.5, 22.25], [101.03, 22.03], [101.25, 21.5], [101.15, 21.25], [101.18, 21.18], [101.25, 21.15], [101.5, 21.25], [102.03, 21.03], [102.25, 20.5], [102.15, 20.25], [102.25, 20.0], [102.03, 19.47], [101.5, 19.25], [101.25, 19.35], [101.0, 19.25], [100.75, 19.35], [100.68, 19.32], [100.53, 18.97], [100.0, 18.75], [99.5, 18.96], [99.18, 18.82], [99.03, 18.47], [98.5, 18.25], [98.25, 18.35], [98.0, 18.25], [97.75, 18.35], [97.5, 18.25], [96.97, 18.47], [96.75, 19.0], [96.85, 19.25], [96.75, 19.5], [96.97, 20.03]]]]}, "2012-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.97, 20.03], [97.32, 20.18], [97.47, 20.53], [97.82, 20.68], [97.97, 21.03], [98.5, 21.25], [98.75, 21.15], [98.82, 21.18], [98.97, 21.53], [99.32, 21.68], [99.47, 22.03], [100.0, 22.25], [100.53, 22.03], [100.68, 21.68], [101.03, 21.53], [101.18, 21.18], [101.25, 21.15], [101.5, 21.25], [102.03, 21.03], [102.25, 20.5], [102.15, 20.25], [102.25, 20.0], [102.03, 19.47], [101.5, 19.25], [101.25, 19.35], [101.0, 19.25], [100.75, 19.35], [100.68, 19.32], [100.53, 18.97], [100.0, 18.75], [99.5, 18.96], [99.18, 18.82], [99.03, 18.47], [98.5, 18.25], [98.25, 18.35], [98.0, 18.25], [97.75, 18.35], [97.5, 18.25], [96.97, 18.47], [96.75, 19.0], [96.85, 19.25], [96.75, 19.5], [96.97, 20.03]]]]}, "2012-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.47, 20.53], [97.82, 20.68], [97.97, 21.03], [98.5, 21.25], [98.75, 21.15], [98.82, 21.18], [98.97, 21.53], [99.32, 21.68], [99.47, 22.03], [100.0, 22.25], [100.53, 22.03], [100.68, 21.68], [101.03, 21.53], [101.2, 21.13], [101.5, 21.25], [102.03, 21.03], [102.25, 20.5], [102.03, 19.97], [101.5, 19.75], [101.0, 19.96], [100.68, 19.82], [100.53, 19.47], [100.0, 19.25], [99.75, 19.35], [99.68, 19.32], [99.53, 18.97], [99.18, 18.82], [99.03, 18.47], [98.5, 18.25], [97.97, 18.47], [97.82, 18.82], [97.47, 18.97], [97.25, 19.5], [97.35, 19.75], [97.25, 20.0], [97.47, 20.53]]]]}, "2012-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.35, 19.25], [97.25, 19.5], [97.47, 20.03], [98.0, 20.25], [98.25, 20.15], [98.32, 20.18], [98.47, 20.53], [98.82, 20.68], [98.97, 21.03], [99.5, 21.25], [99.75, 21.15], [100.0, 21.25], [100.25, 21.15], [100.5, 21.25], [101.0, 21.04], [101.5, 21.25], [102.03, 21.03], [102.25, 20.5], [102.03, 19.97], [101.63, 19.8], [101.75, 19.5], [101.53, 18.97], [101.0, 18.75], [100.47, 18.97], [100.32, 19.32], [100.25, 19.35], [100.0, 19.25], [99.75, 19.35], [99.68, 19.32], [99.65, 19.25], [99.75, 19.0], [99.53, 18.47], [99.0, 18.25], [98.75, 18.35], [98.68, 18.32], [98.53, 17.97], [98.0, 17.75], [97.47, 17.97], [97.25, 18.5], [97.35, 18.75], [97.25, 19.0], [97.35, 19.25]]]]}, "2012-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.25, 19.5], [97.47, 20.03], [98.0, 20.25], [98.25, 20.15], [98.32, 20.18], [98.47, 20.53], [99.0, 20.75], [99.53, 20.53], [99.75, 20.0], [99.65, 19.75], [99.75, 19.5], [99.65, 19.25], [99.75, 19.0], [99.53, 18.47], [99.0, 18.25], [98.7, 18.38], [98.53, 17.97], [98.0, 17.75], [97.47, 17.97], [97.25, 18.5], [97.35, 18.75], [97.25, 19.0], [97.35, 19.25], [97.25, 19.5]]], [[[100.8, 20.63], [100.97, 21.03], [101.5, 21.25], [102.03, 21.03], [102.25, 20.5], [102.03, 19.97], [101.63, 19.8], [101.75, 19.5], [101.65, 19.25], [101.75, 19.0], [101.53, 18.47], [101.0, 18.25], [100.47, 18.47], [100.25, 19.0], [100.35, 19.25], [100.32, 19.32], [99.97, 19.47], [99.75, 20.0], [99.97, 20.53], [100.5, 20.75], [100.8, 20.63]]]]}, "2012-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.0, 19.75], [98.3, 19.63], [98.47, 20.03], [99.0, 20.25], [99.53, 20.03], [99.75, 19.5], [99.65, 19.25], [99.75, 19.0], [99.53, 18.47], [99.0, 18.25], [98.7, 18.38], [98.53, 17.97], [98.0, 17.75], [97.47, 17.97], [97.25, 18.5], [97.35, 18.75], [97.25, 19.0], [97.47, 19.53], [98.0, 19.75]]], [[[99.97, 20.53], [100.5, 20.75], [101.03, 20.53], [101.18, 20.18], [101.53, 20.03], [101.75, 19.5], [101.65, 19.25], [101.75, 19.0], [101.53, 18.47], [101.0, 18.25], [100.47, 18.47], [100.25, 19.0], [100.35, 19.25], [100.32, 19.32], [99.97, 19.47], [99.75, 20.0], [99.97, 20.53]]]]}, "2012-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.0, 19.75], [101.53, 19.53], [101.75, 19.0], [101.53, 18.47], [101.0, 18.25], [100.47, 18.47], [100.25, 19.0], [100.47, 19.53], [101.0, 19.75]]]]}, "2012-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.0, 19.75], [101.53, 19.53], [101.75, 19.0], [101.53, 18.47], [101.0, 18.25], [100.47, 18.47], [100.25, 19.0], [100.47, 19.53], [101.0, 19.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.256508973826385}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3417493594438836}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.557643664070895, 21.486828293739393, 21.370047563070898, 21.693023717188566, 21.03834778702742, 22.066248130116662, 22.47480960309349, 23.047952736046284, 23.379577879166618, 23.690367688518563]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.309508508629904, 24.886724421239933, 24.20152474148432, 24.639791048909274, 23.631633682174936, 24.31563464394327, 24.795844406571007, 24.531080460934675, 23.379577879166618, 23.690367688518563]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0122615241838275, 2.4858005426001677, 2.2845131976154227, 2.4304341328921377, 2.164102501756741, 2.28273154085867, 2.349363414296239, 2.3914136442086993, 2.264159987206085, 2.4706635538694286]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1671850173227085, 2.9839426054530804, 3.256508973826385, 3.1724702891842185, 2.6672546183026498, 2.604312656862305, 2.9313408099226876, 2.8152432936923333, 2.264159987206085, 2.4706635538694286]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2059819555151385, 1.5149482887132206, 1.4441759553965035, 1.5558029719833608, 1.4466336714240224, 1.4838480963887557, 1.5047611356787975, 1.4987510056166884, 1.3201515909915533, 1.4913509778542806]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.301172403201396, 2.0788096347272504, 2.2735384169481803, 2.036732812331002, 1.8102732342361154, 1.8486120051991504, 1.9166301435985724, 1.624355320184357, 1.3201515909915533, 1.4913509778542806]}}