{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:04.035683", "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": "2022-Sep-01_to_2022-Sep-07_122.5_17.5"}, "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": 2022090001277}, "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": "September 01 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 07 2022"}, "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": 52744.14067878942}, "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": ["Philippines"]}, "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": ["Philippine Sea", "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": 17.5}, "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": 122.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "122.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[123.75, 19.15], [123.82, 19.18], [123.97, 19.53], [124.5, 19.75], [124.75, 19.65], [125.0, 19.75], [125.25, 19.65], [125.5, 19.75], [126.03, 19.53], [126.25, 19.0], [126.03, 18.47], [125.5, 18.25], [125.25, 18.35], [125.0, 18.25], [124.75, 18.35], [124.68, 18.32], [124.53, 17.97], [124.18, 17.82], [124.03, 17.47], [123.68, 17.32], [123.53, 16.97], [123.0, 16.75], [122.75, 16.85], [122.5, 16.75], [121.97, 16.97], [121.82, 17.32], [121.47, 17.47], [121.25, 18.0], [121.35, 18.25], [121.32, 18.32], [120.97, 18.47], [120.75, 19.0], [120.97, 19.53], [121.5, 19.75], [121.75, 19.65], [121.82, 19.68], [121.97, 20.03], [122.5, 20.25], [122.75, 20.15], [123.0, 20.25], [123.53, 20.03], [123.75, 19.5], [123.63, 19.2], [123.75, 19.15]]]]}}, "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": {"2022-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.75, 18.0], [121.97, 18.53], [122.5, 18.75], [122.75, 18.65], [123.0, 18.75], [123.25, 18.65], [123.5, 18.75], [124.03, 18.53], [124.25, 18.0], [124.03, 17.47], [123.68, 17.32], [123.53, 16.97], [123.0, 16.75], [122.75, 16.85], [122.5, 16.75], [121.97, 16.97], [121.75, 17.5], [121.85, 17.75], [121.75, 18.0]]]]}, "2022-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.75, 18.0], [121.97, 18.53], [122.5, 18.75], [122.75, 18.65], [123.0, 18.75], [123.25, 18.65], [123.5, 18.75], [124.03, 18.53], [124.25, 18.0], [124.03, 17.47], [123.68, 17.32], [123.53, 16.97], [123.0, 16.75], [122.75, 16.85], [122.5, 16.75], [121.97, 16.97], [121.75, 17.5], [121.85, 17.75], [121.75, 18.0]]]]}, "2022-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.47, 17.97], [121.25, 18.5], [121.47, 19.03], [122.0, 19.25], [122.53, 19.03], [122.68, 18.68], [122.75, 18.65], [122.82, 18.68], [122.97, 19.03], [123.5, 19.25], [123.75, 19.15], [124.0, 19.25], [124.3, 19.13], [124.47, 19.53], [125.0, 19.75], [125.25, 19.65], [125.5, 19.75], [126.03, 19.53], [126.25, 19.0], [126.03, 18.47], [125.5, 18.25], [125.25, 18.35], [125.0, 18.25], [124.7, 18.38], [124.53, 17.97], [124.18, 17.82], [124.03, 17.47], [123.68, 17.32], [123.53, 16.97], [123.0, 16.75], [122.75, 16.85], [122.5, 16.75], [121.97, 16.97], [121.75, 17.5], [121.85, 17.75], [121.82, 17.82], [121.47, 17.97]]]]}, "2022-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, 18.47], [120.75, 19.0], [120.97, 19.53], [121.5, 19.75], [121.75, 19.65], [121.82, 19.68], [121.97, 20.03], [122.5, 20.25], [122.75, 20.15], [123.0, 20.25], [123.53, 20.03], [123.75, 19.5], [123.63, 19.2], [123.75, 19.15], [123.82, 19.18], [123.97, 19.53], [124.5, 19.75], [124.75, 19.65], [125.0, 19.75], [125.25, 19.65], [125.5, 19.75], [126.03, 19.53], [126.25, 19.0], [126.03, 18.47], [125.5, 18.25], [125.25, 18.35], [125.0, 18.25], [124.75, 18.35], [124.68, 18.32], [124.53, 17.97], [124.18, 17.82], [124.03, 17.47], [123.68, 17.32], [123.53, 16.97], [123.0, 16.75], [122.75, 16.85], [122.5, 16.75], [121.97, 16.97], [121.82, 17.32], [121.47, 17.47], [121.25, 18.0], [121.35, 18.25], [121.32, 18.32], [120.97, 18.47]]]]}, "2022-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, 18.47], [120.75, 19.0], [120.97, 19.53], [121.5, 19.75], [121.75, 19.65], [121.82, 19.68], [121.97, 20.03], [122.5, 20.25], [122.75, 20.15], [123.0, 20.25], [123.53, 20.03], [123.75, 19.5], [123.63, 19.2], [123.75, 19.15], [123.82, 19.18], [123.97, 19.53], [124.5, 19.75], [124.75, 19.65], [125.0, 19.75], [125.25, 19.65], [125.5, 19.75], [126.03, 19.53], [126.25, 19.0], [126.03, 18.47], [125.5, 18.25], [125.25, 18.35], [125.0, 18.25], [124.75, 18.35], [124.68, 18.32], [124.53, 17.97], [124.18, 17.82], [124.03, 17.47], [123.68, 17.32], [123.53, 16.97], [123.0, 16.75], [122.75, 16.85], [122.5, 16.75], [121.97, 16.97], [121.82, 17.32], [121.47, 17.47], [121.25, 18.0], [121.35, 18.25], [121.32, 18.32], [120.97, 18.47]]]]}, "2022-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, 18.47], [120.75, 19.0], [120.97, 19.53], [121.5, 19.75], [121.75, 19.65], [121.82, 19.68], [121.97, 20.03], [122.5, 20.25], [122.75, 20.15], [123.0, 20.25], [123.53, 20.03], [123.75, 19.5], [123.63, 19.2], [123.75, 19.15], [123.82, 19.18], [123.97, 19.53], [124.5, 19.75], [124.75, 19.65], [125.0, 19.75], [125.53, 19.53], [125.75, 19.0], [125.53, 18.47], [125.0, 18.25], [124.75, 18.35], [124.68, 18.32], [124.53, 17.97], [124.0, 17.75], [123.75, 17.85], [123.5, 17.75], [123.07, 17.93], [123.25, 17.5], [123.03, 16.97], [122.5, 16.75], [121.97, 16.97], [121.82, 17.32], [121.47, 17.47], [121.25, 18.0], [121.35, 18.25], [121.32, 18.32], [120.97, 18.47]]]]}, "2022-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, 18.47], [120.75, 19.0], [120.97, 19.53], [121.5, 19.75], [121.75, 19.65], [121.82, 19.68], [121.97, 20.03], [122.5, 20.25], [122.75, 20.15], [123.0, 20.25], [123.53, 20.03], [123.75, 19.5], [123.63, 19.2], [123.75, 19.15], [123.82, 19.18], [123.97, 19.53], [124.5, 19.75], [124.75, 19.65], [125.0, 19.75], [125.53, 19.53], [125.75, 19.0], [125.53, 18.47], [125.0, 18.25], [124.75, 18.35], [124.68, 18.32], [124.53, 17.97], [124.0, 17.75], [123.75, 17.85], [123.5, 17.75], [123.07, 17.93], [123.25, 17.5], [123.03, 16.97], [122.5, 16.75], [121.97, 16.97], [121.82, 17.32], [121.47, 17.47], [121.25, 18.0], [121.35, 18.25], [121.32, 18.32], [120.97, 18.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.757177140768647}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0861464405485828}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.224294983856737, 29.405269362808326, 28.96031277525259, 28.992350455193616, 28.775164144172663, 28.70899673814597, 28.75433894385901]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.40868243312059, 29.58562318352125, 29.32221254171577, 29.609302379467806, 29.112774136188534, 29.07635716587066, 28.89223100428626]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3294753967277075, 1.5102638459756919, 1.0506942368601357, 1.162113347206378, 0.9726024812870074, 0.957709497993007, 1.0371739350827232]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.529514668248055, 1.6694478192590623, 1.4427517283893394, 1.754215007768039, 1.2953806839410618, 1.1637612965586186, 1.757177140768647]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7752774346618736, 2.079379242673617, 1.5362625744521516, 1.769967971541239, 1.5315095007785198, 1.5180674247036412, 1.651306687915881]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0469111528636663, 2.3202898751197365, 1.8734116972443766, 2.5489706462511688, 1.8782435771077939, 1.8901217574056781, 2.292043145460318]}}