{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:04.655188", "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": "2023-Jun-19_to_2023-Jun-24_108.0_17.0"}, "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": 2023060002368}, "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": "June 19 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 24 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 191327.07534411957}, "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": ["Lao People's Democratic Republic", "Thailand", "Viet Nam"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia", "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": ["South China Sea"]}, "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": 17.0}, "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": 108.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "108.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 102.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 110.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[110.75, 17.0], [110.65, 16.75], [110.75, 16.5], [110.53, 15.97], [110.0, 15.75], [109.75, 15.85], [109.68, 15.82], [109.65, 15.75], [109.75, 15.5], [109.53, 14.97], [109.0, 14.75], [108.47, 14.97], [108.32, 15.32], [107.97, 15.47], [107.82, 15.82], [107.47, 15.97], [107.32, 16.32], [107.25, 16.35], [107.0, 16.25], [106.47, 16.47], [106.32, 16.82], [106.25, 16.85], [106.18, 16.82], [106.03, 16.47], [105.5, 16.25], [105.25, 16.35], [105.0, 16.25], [104.75, 16.35], [104.5, 16.25], [103.97, 16.47], [103.82, 16.82], [103.75, 16.85], [103.5, 16.75], [103.25, 16.85], [103.0, 16.75], [102.75, 16.85], [102.68, 16.82], [102.53, 16.47], [102.0, 16.25], [101.47, 16.47], [101.25, 17.0], [101.47, 17.53], [101.82, 17.68], [101.85, 17.75], [101.75, 18.0], [101.85, 18.25], [101.75, 18.5], [101.97, 19.03], [102.5, 19.25], [102.75, 19.15], [103.0, 19.25], [103.25, 19.15], [103.5, 19.25], [104.03, 19.03], [104.18, 18.68], [104.25, 18.65], [104.32, 18.68], [104.35, 18.75], [104.25, 19.0], [104.47, 19.53], [105.0, 19.75], [105.3, 19.63], [105.47, 20.03], [105.82, 20.18], [105.97, 20.53], [106.5, 20.75], [107.03, 20.53], [107.18, 20.18], [107.25, 20.15], [107.5, 20.25], [108.03, 20.03], [108.25, 19.5], [108.15, 19.25], [108.18, 19.18], [108.53, 19.03], [108.68, 18.68], [108.75, 18.65], [109.0, 18.75], [109.25, 18.65], [109.5, 18.75], [110.03, 18.53], [110.25, 18.0], [110.15, 17.75], [110.18, 17.68], [110.53, 17.53], [110.75, 17.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.47, 18.03], [108.0, 18.25], [108.53, 18.03], [108.7, 17.63], [109.0, 17.75], [109.25, 17.65], [109.5, 17.75], [109.75, 17.65], [110.0, 17.75], [110.53, 17.53], [110.75, 17.0], [110.65, 16.75], [110.75, 16.5], [110.53, 15.97], [110.0, 15.75], [109.7, 15.87], [109.65, 15.75], [109.75, 15.5], [109.53, 14.97], [109.0, 14.75], [108.47, 14.97], [108.32, 15.32], [107.97, 15.47], [107.75, 16.0], [107.85, 16.25], [107.82, 16.32], [107.5, 16.46], [107.0, 16.25], [106.47, 16.47], [106.25, 17.0], [106.47, 17.53], [107.0, 17.75], [107.3, 17.63], [107.47, 18.03]]]]}, "2023-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.25, 19.5], [105.47, 20.03], [105.82, 20.18], [105.97, 20.53], [106.5, 20.75], [107.03, 20.53], [107.25, 20.0], [107.13, 19.7], [107.53, 19.53], [107.68, 19.18], [107.75, 19.15], [108.0, 19.25], [108.53, 19.03], [108.68, 18.68], [109.03, 18.53], [109.18, 18.18], [109.25, 18.15], [109.5, 18.25], [110.03, 18.03], [110.18, 17.68], [110.53, 17.53], [110.75, 17.0], [110.65, 16.75], [110.75, 16.5], [110.53, 15.97], [110.0, 15.75], [109.7, 15.87], [109.65, 15.75], [109.75, 15.5], [109.53, 14.97], [109.0, 14.75], [108.47, 14.97], [108.32, 15.32], [107.97, 15.47], [107.82, 15.82], [107.47, 15.97], [107.32, 16.32], [107.25, 16.35], [107.0, 16.25], [106.47, 16.47], [106.32, 16.82], [105.97, 16.97], [105.82, 17.32], [105.47, 17.47], [105.25, 18.0], [105.46, 18.5], [105.25, 19.0], [105.35, 19.25], [105.25, 19.5]]]]}, "2023-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.75, 18.0], [101.85, 18.25], [101.75, 18.5], [101.97, 19.03], [102.5, 19.25], [102.75, 19.15], [103.0, 19.25], [103.25, 19.15], [103.5, 19.25], [104.03, 19.03], [104.18, 18.68], [104.25, 18.65], [104.32, 18.68], [104.35, 18.75], [104.25, 19.0], [104.47, 19.53], [105.0, 19.75], [105.3, 19.63], [105.47, 20.03], [105.82, 20.18], [105.97, 20.53], [106.5, 20.75], [107.03, 20.53], [107.18, 20.18], [107.25, 20.15], [107.5, 20.25], [108.03, 20.03], [108.25, 19.5], [108.15, 19.25], [108.18, 19.18], [108.53, 19.03], [108.68, 18.68], [108.75, 18.65], [109.0, 18.75], [109.25, 18.65], [109.5, 18.75], [110.03, 18.53], [110.25, 18.0], [110.15, 17.75], [110.18, 17.68], [110.53, 17.53], [110.75, 17.0], [110.65, 16.75], [110.75, 16.5], [110.53, 15.97], [110.0, 15.75], [109.75, 15.85], [109.68, 15.82], [109.65, 15.75], [109.75, 15.5], [109.53, 14.97], [109.0, 14.75], [108.47, 14.97], [108.32, 15.32], [107.97, 15.47], [107.82, 15.82], [107.47, 15.97], [107.32, 16.32], [107.25, 16.35], [107.0, 16.25], [106.47, 16.47], [106.32, 16.82], [106.25, 16.85], [106.18, 16.82], [106.03, 16.47], [105.5, 16.25], [105.25, 16.35], [105.0, 16.25], [104.75, 16.35], [104.5, 16.25], [103.97, 16.47], [103.82, 16.82], [103.75, 16.85], [103.5, 16.75], [103.25, 16.85], [103.0, 16.75], [102.75, 16.85], [102.5, 16.75], [101.97, 16.97], [101.75, 17.5], [101.85, 17.75], [101.75, 18.0]]]]}, "2023-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.85, 17.75], [101.75, 18.0], [101.85, 18.25], [101.75, 18.5], [101.97, 19.03], [102.5, 19.25], [102.75, 19.15], [103.0, 19.25], [103.25, 19.15], [103.5, 19.25], [104.03, 19.03], [104.18, 18.68], [104.25, 18.65], [104.32, 18.68], [104.35, 18.75], [104.25, 19.0], [104.47, 19.53], [105.0, 19.75], [105.3, 19.63], [105.47, 20.03], [105.82, 20.18], [105.97, 20.53], [106.5, 20.75], [107.03, 20.53], [107.18, 20.18], [107.25, 20.15], [107.5, 20.25], [108.03, 20.03], [108.25, 19.5], [108.15, 19.25], [108.18, 19.18], [108.53, 19.03], [108.68, 18.68], [108.75, 18.65], [109.0, 18.75], [109.25, 18.65], [109.5, 18.75], [110.03, 18.53], [110.25, 18.0], [110.15, 17.75], [110.18, 17.68], [110.53, 17.53], [110.75, 17.0], [110.65, 16.75], [110.75, 16.5], [110.53, 15.97], [110.0, 15.75], [109.75, 15.85], [109.68, 15.82], [109.65, 15.75], [109.75, 15.5], [109.53, 14.97], [109.0, 14.75], [108.47, 14.97], [108.32, 15.32], [107.97, 15.47], [107.82, 15.82], [107.47, 15.97], [107.32, 16.32], [107.25, 16.35], [107.0, 16.25], [106.47, 16.47], [106.32, 16.82], [106.25, 16.85], [106.18, 16.82], [106.03, 16.47], [105.5, 16.25], [105.25, 16.35], [105.0, 16.25], [104.75, 16.35], [104.5, 16.25], [103.97, 16.47], [103.82, 16.82], [103.75, 16.85], [103.5, 16.75], [103.25, 16.85], [103.0, 16.75], [102.75, 16.85], [102.68, 16.82], [102.53, 16.47], [102.0, 16.25], [101.47, 16.47], [101.25, 17.0], [101.47, 17.53], [101.82, 17.68], [101.85, 17.75]]]]}, "2023-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.85, 17.75], [101.75, 18.0], [101.85, 18.25], [101.75, 18.5], [101.97, 19.03], [102.5, 19.25], [102.75, 19.15], [103.0, 19.25], [103.25, 19.15], [103.5, 19.25], [104.03, 19.03], [104.18, 18.68], [104.25, 18.65], [104.32, 18.68], [104.35, 18.75], [104.25, 19.0], [104.47, 19.53], [105.0, 19.75], [105.53, 19.53], [105.68, 19.18], [105.8, 19.13], [105.97, 19.53], [106.32, 19.68], [106.47, 20.03], [107.0, 20.25], [107.25, 20.15], [107.5, 20.25], [108.03, 20.03], [108.25, 19.5], [108.15, 19.25], [108.18, 19.18], [108.53, 19.03], [108.68, 18.68], [108.75, 18.65], [109.0, 18.75], [109.25, 18.65], [109.5, 18.75], [110.03, 18.53], [110.25, 18.0], [110.15, 17.75], [110.18, 17.68], [110.53, 17.53], [110.75, 17.0], [110.53, 16.47], [110.18, 16.32], [110.03, 15.97], [109.5, 15.75], [109.25, 15.85], [109.18, 15.82], [109.03, 15.47], [108.5, 15.25], [107.97, 15.47], [107.82, 15.82], [107.47, 15.97], [107.32, 16.32], [107.25, 16.35], [107.0, 16.25], [106.47, 16.47], [106.32, 16.82], [106.25, 16.85], [106.18, 16.82], [106.03, 16.47], [105.5, 16.25], [105.25, 16.35], [105.0, 16.25], [104.75, 16.35], [104.5, 16.25], [103.97, 16.47], [103.82, 16.82], [103.75, 16.85], [103.5, 16.75], [103.25, 16.85], [103.0, 16.75], [102.75, 16.85], [102.68, 16.82], [102.53, 16.47], [102.0, 16.25], [101.47, 16.47], [101.25, 17.0], [101.47, 17.53], [101.82, 17.68], [101.85, 17.75]]]]}, "2023-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.0, 16.25], [101.47, 16.47], [101.25, 17.0], [101.47, 17.53], [102.0, 17.75], [102.53, 17.53], [102.75, 17.0], [102.53, 16.47], [102.0, 16.25]]], [[[105.97, 19.53], [106.5, 19.75], [106.75, 19.65], [107.0, 19.75], [107.25, 19.65], [107.5, 19.75], [108.03, 19.53], [108.25, 19.0], [108.15, 18.75], [108.25, 18.5], [108.15, 18.25], [108.18, 18.18], [108.53, 18.03], [108.75, 17.5], [108.65, 17.25], [108.75, 17.0], [108.65, 16.75], [108.75, 16.5], [108.53, 15.97], [108.0, 15.75], [107.47, 15.97], [107.32, 16.32], [106.97, 16.47], [106.82, 16.82], [106.47, 16.97], [106.25, 17.5], [106.35, 17.75], [106.32, 17.82], [105.97, 17.97], [105.75, 18.5], [105.85, 18.75], [105.75, 19.0], [105.97, 19.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6582359868829712}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.612692292562871}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.3511335880184, 30.51158000969889, 30.314334798341633, 30.645329369524745, 30.50611324691579, 30.506739508288717]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.908593218044928, 32.14083188771639, 32.514643512743476, 33.46237074891417, 32.892799878149106, 30.822162194693192]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0950403960579205, 1.1875797211068175, 1.5850013724769827, 1.8873918054417276, 1.8211418595457767, 1.1266248829229388]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8148383992127606, 2.0496565759950727, 2.6863546862131784, 3.5862538781942703, 3.6582359868829712, 1.964574955241062]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3434714064798345, 1.3730108441824334, 1.6064031571825443, 1.827590963584553, 1.7280110787633225, 1.4446587084604012]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5271632745307233, 1.845909838190671, 2.183887965372553, 2.337680063300309, 2.520618775812263, 1.8854896243159305]}}