{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:22.137347", "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": "2026-Mar-05_to_2026-Mar-09_98.5_22.5"}, "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": 2026030001344}, "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": "March 05 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 09 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 51653.77105298221}, "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", "Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "S.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": 22.5}, "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": 98.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "98.5\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": 100.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.5, 23.25], [99.03, 23.03], [99.25, 22.5], [99.03, 21.97], [98.5, 21.75], [97.97, 21.97], [97.75, 22.5], [97.97, 23.03], [98.5, 23.25]]]]}, "2026-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 21.0], [96.97, 21.53], [97.32, 21.68], [97.35, 21.75], [97.25, 22.0], [97.47, 22.53], [97.82, 22.68], [97.97, 23.03], [98.5, 23.25], [98.75, 23.15], [99.0, 23.25], [99.3, 23.13], [99.47, 23.53], [100.0, 23.75], [100.53, 23.53], [100.75, 23.0], [100.65, 22.75], [100.75, 22.5], [100.53, 21.97], [100.18, 21.82], [100.03, 21.47], [99.5, 21.25], [99.2, 21.38], [99.15, 21.25], [99.25, 21.0], [99.03, 20.47], [98.68, 20.32], [98.53, 19.97], [98.0, 19.75], [97.47, 19.97], [97.32, 20.32], [96.97, 20.47], [96.75, 21.0]]]]}, "2026-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 21.0], [96.97, 21.53], [97.32, 21.68], [97.35, 21.75], [97.25, 22.0], [97.47, 22.53], [97.82, 22.68], [97.97, 23.03], [98.5, 23.25], [98.75, 23.15], [99.0, 23.25], [99.3, 23.13], [99.47, 23.53], [100.0, 23.75], [100.25, 23.65], [100.5, 23.75], [101.03, 23.53], [101.25, 23.0], [101.15, 22.75], [101.25, 22.5], [101.15, 22.25], [101.25, 22.0], [101.03, 21.47], [100.5, 21.25], [100.2, 21.38], [100.03, 20.97], [99.63, 20.8], [99.75, 20.5], [99.53, 19.97], [99.0, 19.75], [98.5, 19.96], [98.0, 19.75], [97.47, 19.97], [97.32, 20.32], [96.97, 20.47], [96.75, 21.0]]]]}, "2026-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 21.0], [96.97, 21.53], [97.32, 21.68], [97.35, 21.75], [97.25, 22.0], [97.47, 22.53], [97.82, 22.68], [97.97, 23.03], [98.5, 23.25], [98.75, 23.15], [99.0, 23.25], [99.3, 23.13], [99.47, 23.53], [100.0, 23.75], [100.25, 23.65], [100.5, 23.75], [101.03, 23.53], [101.25, 23.0], [101.15, 22.75], [101.25, 22.5], [101.15, 22.25], [101.25, 22.0], [101.03, 21.47], [100.5, 21.25], [100.2, 21.38], [100.03, 20.97], [99.63, 20.8], [99.75, 20.5], [99.53, 19.97], [99.0, 19.75], [98.5, 19.96], [98.0, 19.75], [97.47, 19.97], [97.32, 20.32], [96.97, 20.47], [96.75, 21.0]]]]}, "2026-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 21.0], [96.97, 21.53], [97.32, 21.68], [97.35, 21.75], [97.25, 22.0], [97.47, 22.53], [97.82, 22.68], [97.97, 23.03], [98.5, 23.25], [98.75, 23.15], [99.0, 23.25], [99.3, 23.13], [99.47, 23.53], [100.0, 23.75], [100.25, 23.65], [100.5, 23.75], [101.03, 23.53], [101.25, 23.0], [101.15, 22.75], [101.25, 22.5], [101.15, 22.25], [101.25, 22.0], [101.03, 21.47], [100.5, 21.25], [100.2, 21.38], [100.03, 20.97], [99.63, 20.8], [99.75, 20.5], [99.53, 19.97], [99.0, 19.75], [98.5, 19.96], [98.0, 19.75], [97.47, 19.97], [97.32, 20.32], [96.97, 20.47], [96.75, 21.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.5942746227760836}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4877973566869316}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.458921051025413, 22.98983858548678, 22.59946043226455, 23.060749732123497, 23.506437344021265]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.458921051025413, 25.250868733723962, 25.616211191813193, 25.74313634236654, 26.672995503743493]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8602135677327283, 2.433792293726666, 2.2088186304432327, 2.5255010459906058, 2.802941816262382]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8602135677327283, 3.1247317120839284, 2.6860314203919415, 3.439284967593494, 3.5942746227760836]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.276274656406676, 1.6822131691548365, 1.4765478291139484, 1.6980936068002492, 1.9610253527222268]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.276274656406676, 2.2569354104582358, 1.960012141350738, 2.0992795826233883, 2.5481935343780835]}}