{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:21.430025", "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-May-02_to_2022-May-06_110.0_-6.0"}, "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": 2022050001482}, "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 02 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 06 2022"}, "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": 52275.73795568872}, "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": ["Indonesia"]}, "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": ["Java 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": -6.0}, "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": 110.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 110.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[109.25, -5.5], [109.47, -4.97], [110.0, -4.75], [110.25, -4.85], [110.32, -4.82], [110.47, -4.47], [111.0, -4.25], [111.53, -4.47], [111.68, -4.82], [111.75, -4.85], [112.0, -4.75], [112.25, -4.85], [112.5, -4.75], [112.75, -4.85], [113.0, -4.75], [113.53, -4.97], [113.75, -5.5], [113.53, -6.03], [113.18, -6.18], [113.03, -6.53], [112.5, -6.75], [112.25, -6.65], [112.18, -6.68], [112.03, -7.03], [111.5, -7.25], [111.25, -7.15], [111.0, -7.25], [110.75, -7.15], [110.5, -7.25], [109.97, -7.03], [109.82, -6.68], [109.47, -6.53], [109.25, -6.0], [109.35, -5.75], [109.25, -5.5]]]]}}, "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": {"2022-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, -6.53], [109.25, -6.0], [109.47, -5.47], [110.0, -5.25], [110.25, -5.35], [110.5, -5.25], [110.75, -5.35], [111.0, -5.25], [111.25, -5.35], [111.5, -5.25], [111.75, -5.35], [111.82, -5.32], [111.97, -4.97], [112.5, -4.75], [112.75, -4.85], [113.0, -4.75], [113.53, -4.97], [113.75, -5.5], [113.53, -6.03], [113.18, -6.18], [113.03, -6.53], [112.5, -6.75], [112.25, -6.65], [112.18, -6.68], [112.03, -7.03], [111.5, -7.25], [111.25, -7.15], [111.0, -7.25], [110.75, -7.15], [110.5, -7.25], [109.97, -7.03], [109.82, -6.68], [109.47, -6.53]]]]}, "2022-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -5.5], [109.47, -4.97], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.25, -4.85], [111.5, -4.75], [111.75, -4.85], [112.0, -4.75], [112.25, -4.85], [112.5, -4.75], [112.75, -4.85], [113.0, -4.75], [113.53, -4.97], [113.75, -5.5], [113.53, -6.03], [113.18, -6.18], [113.03, -6.53], [112.5, -6.75], [112.25, -6.65], [112.18, -6.68], [112.03, -7.03], [111.5, -7.25], [111.25, -7.15], [111.0, -7.25], [110.75, -7.15], [110.5, -7.25], [109.97, -7.03], [109.82, -6.68], [109.47, -6.53], [109.25, -6.0], [109.35, -5.75], [109.25, -5.5]]]]}, "2022-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -5.5], [109.47, -4.97], [110.0, -4.75], [110.25, -4.85], [110.32, -4.82], [110.47, -4.47], [111.0, -4.25], [111.53, -4.47], [111.68, -4.82], [111.75, -4.85], [112.0, -4.75], [112.25, -4.85], [112.5, -4.75], [112.75, -4.85], [113.0, -4.75], [113.53, -4.97], [113.75, -5.5], [113.53, -6.03], [113.18, -6.18], [113.03, -6.53], [112.5, -6.75], [112.25, -6.65], [112.18, -6.68], [112.03, -7.03], [111.5, -7.25], [111.25, -7.15], [111.0, -7.25], [110.75, -7.15], [110.5, -7.25], [109.97, -7.03], [109.82, -6.68], [109.47, -6.53], [109.25, -6.0], [109.35, -5.75], [109.25, -5.5]]]]}, "2022-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -5.5], [109.47, -4.97], [110.0, -4.75], [110.25, -4.85], [110.32, -4.82], [110.47, -4.47], [111.0, -4.25], [111.53, -4.47], [111.68, -4.82], [111.75, -4.85], [112.0, -4.75], [112.53, -4.97], [112.75, -5.5], [112.65, -5.75], [112.75, -6.0], [112.53, -6.53], [112.18, -6.68], [112.03, -7.03], [111.5, -7.25], [111.25, -7.15], [111.0, -7.25], [110.75, -7.15], [110.5, -7.25], [109.97, -7.03], [109.82, -6.68], [109.47, -6.53], [109.25, -6.0], [109.35, -5.75], [109.25, -5.5]]]]}, "2022-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -5.5], [109.47, -4.97], [110.0, -4.75], [110.25, -4.85], [110.32, -4.82], [110.47, -4.47], [111.0, -4.25], [111.53, -4.47], [111.75, -5.0], [111.53, -5.53], [111.18, -5.68], [111.15, -5.75], [111.18, -5.82], [111.53, -5.97], [111.75, -6.5], [111.53, -7.03], [111.0, -7.25], [110.75, -7.15], [110.5, -7.25], [109.97, -7.03], [109.82, -6.68], [109.47, -6.53], [109.25, -6.0], [109.35, -5.75], [109.25, -5.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6214917613476132}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1336581836940591}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.837737495616807, 29.018877665418415, 28.774710889902167, 28.805848990923323, 28.559998233286592]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.21005364053059, 29.443654033671407, 29.149163304216643, 29.085943390392117, 28.86599914127936]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1497153310194117, 1.3166570562870916, 1.0614512538625183, 1.104211169562644, 0.9243961012524308]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4161772061520992, 1.6214917613476132, 1.3960502793186151, 1.3388341892160156, 1.1127054976529962]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8268865990472896, 2.073722680214368, 1.6421369520745823, 1.7256800835939072, 1.4916290742064884]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1486120166457856, 2.6160065922489477, 2.1832704186600274, 2.095082653952401, 1.7655363134256523]}}