{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:45.750535", "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-May-23_to_2026-May-29_100.5_13.5"}, "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": 2026050002222}, "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": "May 23 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 29 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 60214.400196369665}, "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": ["Cambodia", "Thailand"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": ["Gulf of Thailand"]}, "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": 13.5}, "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": 100.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "100.5\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": 103.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.0, 13.25], [103.53, 13.03], [103.75, 12.5], [103.65, 12.25], [103.75, 12.0], [103.53, 11.47], [103.0, 11.25], [102.47, 11.47], [102.25, 12.0], [102.35, 12.25], [102.25, 12.5], [102.47, 13.03], [103.0, 13.25]]], [[[99.97, 12.97], [99.75, 13.5], [99.97, 14.03], [100.5, 14.25], [101.03, 14.03], [101.25, 13.5], [101.03, 12.97], [100.5, 12.75], [99.97, 12.97]]]]}, "2026-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.03, 14.03], [101.25, 13.5], [101.03, 12.97], [100.68, 12.82], [100.53, 12.47], [100.0, 12.25], [99.47, 12.47], [99.25, 13.0], [99.47, 13.53], [99.82, 13.68], [99.97, 14.03], [100.5, 14.25], [101.03, 14.03]]], [[[102.25, 13.5], [102.35, 13.75], [102.25, 14.0], [102.35, 14.25], [102.25, 14.5], [102.47, 15.03], [103.0, 15.25], [103.53, 15.03], [103.75, 14.5], [103.65, 14.25], [103.75, 14.0], [103.65, 13.75], [103.75, 13.5], [103.54, 13.0], [103.75, 12.5], [103.65, 12.25], [103.75, 12.0], [103.53, 11.47], [103.0, 11.25], [102.47, 11.47], [102.25, 12.0], [102.35, 12.25], [102.25, 12.5], [102.46, 13.0], [102.25, 13.5]]]]}, "2026-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.75, 14.15], [101.0, 14.25], [101.53, 14.03], [101.75, 13.5], [101.53, 12.97], [101.0, 12.75], [100.75, 12.85], [100.68, 12.82], [100.53, 12.47], [100.0, 12.25], [99.47, 12.47], [99.25, 13.0], [99.47, 13.53], [99.82, 13.68], [99.97, 14.03], [100.5, 14.25], [100.75, 14.15]]], [[[101.97, 13.03], [102.38, 13.2], [102.25, 13.5], [102.35, 13.75], [102.25, 14.0], [102.35, 14.25], [102.25, 14.5], [102.47, 15.03], [103.0, 15.25], [103.53, 15.03], [103.75, 14.5], [103.65, 14.25], [103.75, 14.0], [103.65, 13.75], [103.75, 13.5], [103.54, 13.0], [103.75, 12.5], [103.65, 12.25], [103.75, 12.0], [103.53, 11.47], [103.0, 11.25], [102.47, 11.47], [102.32, 11.82], [101.97, 11.97], [101.75, 12.5], [101.97, 13.03]]]]}, "2026-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.5, 14.25], [100.75, 14.15], [101.0, 14.25], [101.25, 14.15], [101.5, 14.25], [101.75, 14.15], [101.82, 14.18], [101.97, 14.53], [102.32, 14.68], [102.47, 15.03], [103.0, 15.25], [103.53, 15.03], [103.75, 14.5], [103.65, 14.25], [103.75, 14.0], [103.65, 13.75], [103.75, 13.5], [103.54, 13.0], [103.75, 12.5], [103.53, 11.97], [103.0, 11.75], [102.75, 11.85], [102.5, 11.75], [102.25, 11.85], [102.0, 11.75], [101.5, 11.96], [101.0, 11.75], [100.47, 11.97], [100.3, 12.37], [100.0, 12.25], [99.47, 12.47], [99.25, 13.0], [99.47, 13.53], [99.82, 13.68], [99.97, 14.03], [100.5, 14.25]]]]}, "2026-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.5, 14.25], [100.75, 14.15], [101.0, 14.25], [101.25, 14.15], [101.5, 14.25], [101.75, 14.15], [101.82, 14.18], [101.97, 14.53], [102.32, 14.68], [102.47, 15.03], [103.0, 15.25], [103.53, 15.03], [103.75, 14.5], [103.65, 14.25], [103.75, 14.0], [103.65, 13.75], [103.75, 13.5], [103.54, 13.0], [103.75, 12.5], [103.53, 11.97], [103.18, 11.82], [103.03, 11.47], [102.5, 11.25], [102.25, 11.35], [102.0, 11.25], [101.47, 11.47], [101.3, 11.87], [101.0, 11.75], [100.47, 11.97], [100.3, 12.37], [100.0, 12.25], [99.47, 12.47], [99.25, 13.0], [99.47, 13.53], [99.82, 13.68], [99.97, 14.03], [100.5, 14.25]]]]}, "2026-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.5, 14.25], [100.75, 14.15], [101.0, 14.25], [101.25, 14.15], [101.5, 14.25], [101.75, 14.15], [101.82, 14.18], [101.97, 14.53], [102.32, 14.68], [102.47, 15.03], [103.0, 15.25], [103.53, 15.03], [103.75, 14.5], [103.65, 14.25], [103.75, 14.0], [103.65, 13.75], [103.75, 13.5], [103.53, 12.97], [103.13, 12.8], [103.25, 12.5], [103.15, 12.25], [103.25, 12.0], [103.03, 11.47], [102.5, 11.25], [102.25, 11.35], [102.0, 11.25], [101.47, 11.47], [101.3, 11.87], [101.0, 11.75], [100.47, 11.97], [100.3, 12.37], [100.0, 12.25], [99.47, 12.47], [99.25, 13.0], [99.47, 13.53], [99.82, 13.68], [99.97, 14.03], [100.5, 14.25]]]]}, "2026-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.03, 11.47], [102.5, 11.25], [102.25, 11.35], [102.0, 11.25], [101.47, 11.47], [101.25, 12.0], [101.47, 12.53], [102.0, 12.75], [102.25, 12.65], [102.5, 12.75], [103.03, 12.53], [103.25, 12.0], [103.03, 11.47]]], [[[102.5, 14.75], [103.03, 14.53], [103.25, 14.0], [103.15, 13.75], [103.25, 13.5], [103.03, 12.97], [102.5, 12.75], [101.97, 12.97], [101.75, 13.5], [101.85, 13.75], [101.75, 14.0], [101.97, 14.53], [102.5, 14.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.831198249777856}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5767433026389994}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.167011091444294, 29.98314219883514, 29.92226025616685, 30.062256113688136, 30.121913561904705, 30.205548717357487, 29.371223704020224]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.87081425984701, 31.52950566609701, 31.47688446044924, 31.678543345133505, 31.9832588195801, 32.09418894449874, 30.365120188395224]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.158064916211913, 1.6825391821143643, 1.5845874564390858, 1.51527464413547, 1.6515177269101227, 1.6300009214133757, 1.3389967915688175]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2169888508870486, 2.3315972162158687, 2.0637672687848863, 2.2273969369941256, 2.599326743084305, 2.831198249777856, 1.764778030621244]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2916850260577293, 1.5541719952900626, 1.5063826088673062, 1.5064849350619396, 1.703167892260765, 1.6821175639139028, 1.5099645380549314]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3390326660949219, 1.7502964592526737, 1.653634856446542, 1.6621633708921977, 2.0290468227636125, 2.084175113996202, 1.5579996144598078]}}