{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:32.741397", "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": "2025-Apr-01_to_2025-Apr-11_124.5_8.0"}, "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": 2025040000944}, "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": "April 01 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 11 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 70376.32727567022}, "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": ["Bohol Sea", "Sulu", "Sulu 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": 8.0}, "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": 124.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[121.03, 8.53], [121.18, 8.18], [121.25, 8.15], [121.32, 8.18], [121.47, 8.53], [121.82, 8.68], [121.97, 9.03], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.5, 9.75], [123.75, 9.65], [123.82, 9.68], [123.85, 9.75], [123.75, 10.0], [123.97, 10.53], [124.5, 10.75], [125.03, 10.53], [125.18, 10.18], [125.53, 10.03], [125.75, 9.5], [125.53, 8.97], [125.0, 8.75], [124.75, 8.85], [124.68, 8.82], [124.65, 8.75], [124.68, 8.68], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25], [123.97, 7.47], [123.82, 7.82], [123.5, 7.96], [123.0, 7.75], [122.75, 7.85], [122.68, 7.82], [122.53, 7.47], [122.18, 7.32], [122.15, 7.25], [122.25, 7.0], [122.03, 6.47], [121.5, 6.25], [121.25, 6.35], [121.0, 6.25], [120.75, 6.35], [120.5, 6.25], [120.25, 6.35], [120.0, 6.25], [119.47, 6.47], [119.32, 6.82], [118.97, 6.97], [118.75, 7.5], [118.85, 7.75], [118.75, 8.0], [118.85, 8.25], [118.75, 8.5], [118.97, 9.03], [119.5, 9.25], [120.03, 9.03], [120.18, 8.68], [120.25, 8.65], [120.5, 8.75], [121.03, 8.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.97, 9.03], [119.5, 9.25], [120.03, 9.03], [120.18, 8.68], [120.25, 8.65], [120.5, 8.75], [121.03, 8.53], [121.18, 8.18], [121.25, 8.15], [121.5, 8.25], [122.03, 8.03], [122.25, 7.5], [122.15, 7.25], [122.25, 7.0], [122.03, 6.47], [121.5, 6.25], [121.25, 6.35], [121.0, 6.25], [120.47, 6.47], [120.32, 6.82], [120.25, 6.85], [120.0, 6.75], [119.47, 6.97], [119.32, 7.32], [118.97, 7.47], [118.75, 8.0], [118.85, 8.25], [118.75, 8.5], [118.97, 9.03]]], [[[124.5, 7.25], [123.97, 7.47], [123.75, 8.0], [123.97, 8.53], [124.5, 8.75], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25]]]]}, "2025-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.85, 8.25], [118.75, 8.5], [118.97, 9.03], [119.5, 9.25], [120.03, 9.03], [120.18, 8.68], [120.25, 8.65], [120.5, 8.75], [121.03, 8.53], [121.18, 8.18], [121.25, 8.15], [121.5, 8.25], [122.03, 8.03], [122.25, 7.5], [122.15, 7.25], [122.25, 7.0], [122.03, 6.47], [121.5, 6.25], [121.25, 6.35], [121.0, 6.25], [120.75, 6.35], [120.5, 6.25], [119.97, 6.47], [119.82, 6.82], [119.75, 6.85], [119.5, 6.75], [118.97, 6.97], [118.75, 7.5], [118.85, 7.75], [118.75, 8.0], [118.85, 8.25]]], [[[124.5, 7.25], [123.97, 7.47], [123.75, 8.0], [123.97, 8.53], [124.5, 8.75], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25]]]]}, "2025-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, 8.0], [118.85, 8.25], [118.75, 8.5], [118.97, 9.03], [119.5, 9.25], [120.03, 9.03], [120.18, 8.68], [120.25, 8.65], [120.5, 8.75], [121.03, 8.53], [121.18, 8.18], [121.25, 8.15], [121.32, 8.18], [121.47, 8.53], [121.82, 8.68], [121.97, 9.03], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.5, 9.75], [123.75, 9.65], [124.0, 9.75], [124.53, 9.53], [124.75, 9.0], [124.65, 8.75], [124.68, 8.68], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25], [123.97, 7.47], [123.82, 7.82], [123.5, 7.96], [123.0, 7.75], [122.75, 7.85], [122.68, 7.82], [122.53, 7.47], [122.18, 7.32], [122.15, 7.25], [122.25, 7.0], [122.03, 6.47], [121.5, 6.25], [121.25, 6.35], [121.0, 6.25], [120.75, 6.35], [120.5, 6.25], [120.25, 6.35], [120.0, 6.25], [119.47, 6.47], [119.32, 6.82], [118.97, 6.97], [118.75, 7.5], [118.85, 7.75], [118.75, 8.0]]]]}, "2025-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, 7.5], [118.97, 8.03], [119.32, 8.18], [119.47, 8.53], [120.0, 8.75], [120.25, 8.65], [120.5, 8.75], [121.03, 8.53], [121.25, 8.0], [121.04, 7.5], [121.25, 7.0], [121.03, 6.47], [120.5, 6.25], [120.25, 6.35], [120.0, 6.25], [119.47, 6.47], [119.32, 6.82], [118.97, 6.97], [118.75, 7.5]]], [[[121.82, 8.68], [121.97, 9.03], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.5, 9.75], [123.75, 9.65], [124.0, 9.75], [124.53, 9.53], [124.75, 9.0], [124.65, 8.75], [124.75, 8.5], [124.53, 7.97], [124.0, 7.75], [123.5, 7.96], [123.0, 7.75], [122.75, 7.85], [122.68, 7.82], [122.53, 7.47], [122.0, 7.25], [121.47, 7.47], [121.25, 8.0], [121.47, 8.53], [121.82, 8.68]]]]}, "2025-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, 7.5], [118.97, 8.03], [119.32, 8.18], [119.47, 8.53], [120.0, 8.75], [120.25, 8.65], [120.5, 8.75], [121.03, 8.53], [121.25, 8.0], [121.04, 7.5], [121.25, 7.0], [121.03, 6.47], [120.5, 6.25], [120.25, 6.35], [120.0, 6.25], [119.47, 6.47], [119.32, 6.82], [118.97, 6.97], [118.75, 7.5]]], [[[121.82, 8.68], [121.97, 9.03], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.5, 9.75], [123.75, 9.65], [123.82, 9.68], [123.97, 10.03], [124.5, 10.25], [125.03, 10.03], [125.25, 9.5], [125.03, 8.97], [124.68, 8.82], [124.65, 8.75], [124.75, 8.5], [124.53, 7.97], [124.0, 7.75], [123.5, 7.96], [123.0, 7.75], [122.75, 7.85], [122.68, 7.82], [122.53, 7.47], [122.0, 7.25], [121.47, 7.47], [121.25, 8.0], [121.47, 8.53], [121.82, 8.68]]]]}, "2025-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.5, 7.75], [121.97, 7.97], [121.75, 8.5], [121.97, 9.03], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.5, 9.75], [123.75, 9.65], [123.82, 9.68], [123.85, 9.75], [123.75, 10.0], [123.97, 10.53], [124.5, 10.75], [125.03, 10.53], [125.18, 10.18], [125.53, 10.03], [125.75, 9.5], [125.53, 8.97], [125.0, 8.75], [124.75, 8.85], [124.68, 8.82], [124.65, 8.75], [124.75, 8.5], [124.53, 7.97], [124.0, 7.75], [123.5, 7.96], [123.0, 7.75], [122.75, 7.85], [122.5, 7.75]]]]}, "2025-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.5, 7.75], [121.97, 7.97], [121.75, 8.5], [121.97, 9.03], [122.5, 9.25], [123.03, 9.03], [123.25, 8.5], [123.03, 7.97], [122.5, 7.75]]], [[[123.25, 9.0], [123.47, 9.53], [123.82, 9.68], [123.85, 9.75], [123.75, 10.0], [123.97, 10.53], [124.5, 10.75], [125.03, 10.53], [125.18, 10.18], [125.53, 10.03], [125.75, 9.5], [125.53, 8.97], [125.0, 8.75], [124.75, 8.85], [124.68, 8.82], [124.65, 8.75], [124.75, 8.5], [124.53, 7.97], [124.0, 7.75], [123.47, 7.97], [123.25, 8.5], [123.35, 8.75], [123.25, 9.0]]]]}, "2025-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.5, 7.25], [123.97, 7.47], [123.75, 8.0], [123.97, 8.53], [124.5, 8.75], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25]]], [[[123.75, 10.0], [123.97, 10.53], [124.5, 10.75], [125.03, 10.53], [125.18, 10.18], [125.53, 10.03], [125.75, 9.5], [125.53, 8.97], [125.0, 8.75], [124.47, 8.97], [124.32, 9.32], [123.97, 9.47], [123.75, 10.0]]]]}, "2025-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.5, 7.25], [123.97, 7.47], [123.75, 8.0], [123.97, 8.53], [124.5, 8.75], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25]]], [[[123.75, 10.0], [123.97, 10.53], [124.5, 10.75], [125.03, 10.53], [125.18, 10.18], [125.53, 10.03], [125.75, 9.5], [125.53, 8.97], [125.0, 8.75], [124.47, 8.97], [124.32, 9.32], [123.97, 9.47], [123.75, 10.0]]]]}, "2025-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, 8.53], [124.5, 8.75], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25], [123.97, 7.47], [123.75, 8.0], [123.97, 8.53]]]]}, "2025-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, 8.53], [124.5, 8.75], [125.03, 8.53], [125.25, 8.0], [125.03, 7.47], [124.5, 7.25], [123.97, 7.47], [123.75, 8.0], [123.97, 8.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3863487082140864}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.6970895313479366}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.465306507457342, 27.586315018091454, 27.666091918945312, 27.67810635036892, 27.774667456211205, 27.719670867919888, 27.664302232530417, 26.474939388699, 26.561163414849204, 23.563771820068382, 23.525813039143884]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.000166829427087, 28.038194274902366, 28.1318349202474, 28.037698364257835, 28.12314376831057, 28.090764617919945, 27.819263712565146, 27.923398590087913, 28.15860265096029, 23.563771820068382, 23.525813039143884]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6495179940331365, 0.6690635550392279, 0.7356027912989276, 0.5657816937440003, 0.6467432278820936, 0.7619295128912711, 0.6256837021587577, 0.8852012874133189, 0.9257955895206654, 1.22805625761913, 1.1729398849101926]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.04923404785103, 1.3067143375467936, 1.059101195955293, 0.6367173616801551, 0.8258633776252964, 1.0118195895873328, 0.7473540811136559, 1.3863487082140864, 1.0684452511457039, 1.22805625761913, 1.1729398849101926]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.453690457051177, 1.4665589266320587, 1.7221488080307026, 1.335886452622226, 1.5167749691735275, 1.757703162185525, 1.3964372957460824, 1.52516392346197, 1.6991498872197024, 1.6011127018429676, 1.484612926513976]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8445946586681097, 1.7835753387536202, 2.2161504523555227, 1.4969351579320342, 2.0130315986044978, 2.4371170276494856, 1.7376864978840039, 1.8649666312127289, 1.8815661386220466, 1.6011127018429676, 1.484612926513976]}}