{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:11.887768", "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-Feb-04_to_2023-Feb-08_121.5_5.5"}, "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": 2023020001428}, "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": "February 04 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 08 2023"}, "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": 67726.61378041295}, "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": ["Malaysia", "Philippines"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Celebes Sea", "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": 5.5}, "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": 121.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "121.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 122.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[117.47, 5.53], [118.0, 5.75], [118.25, 5.65], [118.32, 5.68], [118.46, 6.0], [118.25, 6.5], [118.47, 7.03], [119.0, 7.25], [119.25, 7.15], [119.5, 7.25], [120.03, 7.03], [120.18, 6.68], [120.53, 6.53], [120.7, 6.13], [121.0, 6.25], [121.25, 6.15], [121.5, 6.25], [121.75, 6.15], [122.0, 6.25], [122.53, 6.03], [122.75, 5.5], [122.53, 4.97], [122.18, 4.82], [122.03, 4.47], [121.68, 4.32], [121.53, 3.97], [121.0, 3.75], [120.75, 3.85], [120.68, 3.82], [120.53, 3.47], [120.0, 3.25], [119.47, 3.47], [119.32, 3.82], [119.25, 3.85], [119.0, 3.75], [118.47, 3.97], [118.32, 4.32], [118.25, 4.35], [118.0, 4.25], [117.47, 4.47], [117.25, 5.0], [117.47, 5.53]]]]}}, "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": {"2023-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.5, 4.75], [120.97, 4.97], [120.75, 5.5], [120.97, 6.03], [121.5, 6.25], [121.75, 6.15], [122.0, 6.25], [122.53, 6.03], [122.75, 5.5], [122.53, 4.97], [122.0, 4.75], [121.75, 4.85], [121.5, 4.75]]]]}, "2023-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.0, 4.25], [117.47, 4.47], [117.25, 5.0], [117.47, 5.53], [118.0, 5.75], [118.25, 5.65], [118.32, 5.68], [118.47, 6.03], [119.0, 6.25], [119.25, 6.15], [119.5, 6.25], [120.03, 6.03], [120.18, 5.68], [120.25, 5.65], [120.32, 5.68], [120.47, 6.03], [121.0, 6.25], [121.25, 6.15], [121.5, 6.25], [121.75, 6.15], [122.0, 6.25], [122.53, 6.03], [122.75, 5.5], [122.53, 4.97], [122.18, 4.82], [122.03, 4.47], [121.68, 4.32], [121.53, 3.97], [121.0, 3.75], [120.75, 3.85], [120.68, 3.82], [120.53, 3.47], [120.0, 3.25], [119.47, 3.47], [119.32, 3.82], [119.25, 3.85], [119.0, 3.75], [118.47, 3.97], [118.32, 4.32], [118.25, 4.35], [118.0, 4.25]]]]}, "2023-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.0, 4.25], [117.47, 4.47], [117.25, 5.0], [117.47, 5.53], [118.0, 5.75], [118.25, 5.65], [118.32, 5.68], [118.46, 6.0], [118.25, 6.5], [118.47, 7.03], [119.0, 7.25], [119.25, 7.15], [119.5, 7.25], [120.03, 7.03], [120.18, 6.68], [120.53, 6.53], [120.7, 6.13], [121.0, 6.25], [121.25, 6.15], [121.5, 6.25], [121.75, 6.15], [122.0, 6.25], [122.53, 6.03], [122.75, 5.5], [122.53, 4.97], [122.18, 4.82], [122.03, 4.47], [121.68, 4.32], [121.53, 3.97], [121.0, 3.75], [120.75, 3.85], [120.68, 3.82], [120.53, 3.47], [120.0, 3.25], [119.47, 3.47], [119.32, 3.82], [119.25, 3.85], [119.0, 3.75], [118.47, 3.97], [118.32, 4.32], [118.25, 4.35], [118.0, 4.25]]]]}, "2023-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.0, 4.25], [117.47, 4.47], [117.25, 5.0], [117.47, 5.53], [118.0, 5.75], [118.25, 5.65], [118.32, 5.68], [118.46, 6.0], [118.25, 6.5], [118.47, 7.03], [119.0, 7.25], [119.25, 7.15], [119.5, 7.25], [120.03, 7.03], [120.18, 6.68], [120.53, 6.53], [120.7, 6.13], [121.0, 6.25], [121.25, 6.15], [121.5, 6.25], [122.03, 6.03], [122.25, 5.5], [122.15, 5.25], [122.25, 5.0], [122.03, 4.47], [121.68, 4.32], [121.53, 3.97], [121.0, 3.75], [120.75, 3.85], [120.68, 3.82], [120.53, 3.47], [120.0, 3.25], [119.47, 3.47], [119.32, 3.82], [119.25, 3.85], [119.0, 3.75], [118.47, 3.97], [118.32, 4.32], [118.25, 4.35], [118.0, 4.25]]]]}, "2023-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.0, 5.75], [118.47, 5.97], [118.25, 6.5], [118.47, 7.03], [119.0, 7.25], [119.25, 7.15], [119.5, 7.25], [120.03, 7.03], [120.18, 6.68], [120.53, 6.53], [120.75, 6.0], [120.53, 5.47], [120.0, 5.25], [119.47, 5.47], [119.32, 5.82], [119.25, 5.85], [119.0, 5.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3002575196695147}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9021785994424304}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.609855544013158, 27.348852361889556, 27.499563093808547, 27.20595668115368, 27.23278793253911]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.68817802880028, 27.76214372143994, 28.089668065466924, 27.63855715945749, 27.378612980648086]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7376952883512331, 0.9012628087472374, 1.0560134817053728, 0.7768525079275638, 0.7667943185819391]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7633849166580262, 1.249315061414734, 1.3002575196695147, 0.9455979067159888, 0.8712242144569586]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.498737980405617, 1.8104276127330847, 2.158863980056507, 1.5747435266325331, 1.6842016429065005]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.512883750100801, 2.1698577593084343, 2.4734990864850106, 1.8187377579779271, 1.9279000971409168]}}