{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:03.030047", "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": "2018-Sep-02_to_2018-Sep-05_126.5_-7.5"}, "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": 2018090001362}, "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 02 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 67452.93927111651}, "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": ["Timor-Leste"]}, "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": ["Banda 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": -7.5}, "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": 126.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "126.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 126.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, -8.0], [122.47, -7.47], [123.0, -7.25], [123.25, -7.35], [123.5, -7.25], [124.03, -7.47], [124.25, -8.0], [124.03, -8.53], [123.5, -8.75], [123.25, -8.65], [123.0, -8.75], [122.47, -8.53], [122.25, -8.0]]], [[[125.47, -5.97], [126.0, -5.75], [126.53, -5.97], [126.68, -6.32], [127.03, -6.47], [127.25, -7.0], [127.15, -7.25], [127.25, -7.5], [127.03, -8.03], [126.63, -8.2], [126.75, -8.5], [126.53, -9.03], [126.0, -9.25], [125.47, -9.03], [125.25, -8.5], [125.47, -7.97], [125.88, -7.8], [125.75, -7.5], [125.85, -7.25], [125.82, -7.18], [125.47, -7.03], [125.25, -6.5], [125.47, -5.97]]]]}, "2018-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.47, -7.03], [122.25, -6.5], [122.47, -5.97], [123.0, -5.75], [123.25, -5.85], [123.5, -5.75], [123.75, -5.85], [124.0, -5.75], [124.25, -5.85], [124.5, -5.75], [124.75, -5.85], [125.0, -5.75], [125.5, -5.96], [126.0, -5.75], [126.53, -5.97], [126.68, -6.32], [127.03, -6.47], [127.25, -7.0], [127.15, -7.25], [127.25, -7.5], [127.03, -8.03], [126.63, -8.2], [126.75, -8.5], [126.53, -9.03], [126.0, -9.25], [125.47, -9.03], [125.32, -8.68], [125.25, -8.65], [125.0, -8.75], [124.47, -8.53], [124.32, -8.18], [124.25, -8.15], [124.18, -8.18], [124.03, -8.53], [123.5, -8.75], [123.25, -8.65], [123.0, -8.75], [122.47, -8.53], [122.25, -8.0], [122.47, -7.47], [122.82, -7.32], [122.88, -7.2], [122.47, -7.03]]]]}, "2018-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.47, -7.03], [122.25, -6.5], [122.47, -5.97], [123.0, -5.75], [123.25, -5.85], [123.5, -5.75], [123.75, -5.85], [124.0, -5.75], [124.25, -5.85], [124.5, -5.75], [124.75, -5.85], [125.0, -5.75], [125.5, -5.96], [126.0, -5.75], [126.53, -5.97], [126.68, -6.32], [127.03, -6.47], [127.25, -7.0], [127.15, -7.25], [127.25, -7.5], [127.03, -8.03], [126.63, -8.2], [126.75, -8.5], [126.53, -9.03], [126.0, -9.25], [125.47, -9.03], [125.32, -8.68], [125.25, -8.65], [125.0, -8.75], [124.47, -8.53], [124.32, -8.18], [124.25, -8.15], [124.18, -8.18], [124.03, -8.53], [123.5, -8.75], [123.25, -8.65], [123.0, -8.75], [122.47, -8.53], [122.25, -8.0], [122.47, -7.47], [122.82, -7.32], [122.88, -7.2], [122.47, -7.03]]]]}, "2018-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, -6.5], [122.47, -5.97], [123.0, -5.75], [123.25, -5.85], [123.5, -5.75], [123.75, -5.85], [124.0, -5.75], [124.25, -5.85], [124.5, -5.75], [124.75, -5.85], [125.0, -5.75], [125.53, -5.97], [125.75, -6.5], [125.65, -6.75], [125.68, -6.82], [125.75, -6.85], [126.0, -6.75], [126.53, -6.97], [126.75, -7.5], [126.53, -8.03], [126.18, -8.18], [126.03, -8.53], [125.5, -8.75], [125.25, -8.65], [125.0, -8.75], [124.47, -8.53], [124.32, -8.18], [124.25, -8.15], [124.0, -8.25], [123.75, -8.15], [123.5, -8.25], [122.97, -8.03], [122.75, -7.5], [122.88, -7.2], [122.47, -7.03], [122.25, -6.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.549458153378282}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.972059405534887}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.736099905945537, 27.05655235382534, 27.300981596241115, 27.214518430902558]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.212740551031004, 27.36056290480036, 27.5846466812107, 27.378311312407504]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9028581091348636, 0.8927757861355743, 1.1198626945203345, 0.9037953460039603]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.360990402857226, 1.549458153378282, 1.3324270044788022, 1.0679577874244046]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4542794819505662, 1.5153018984936828, 1.9215710507875188, 1.5864615832309708]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5592135488233754, 2.0697184104597266, 2.273911054057421, 1.8507623948584673]}}