{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:37.328675", "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": "2020-Sep-27_to_2020-Sep-30_97.5_2.5"}, "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": 2020090002454}, "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 27 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 2020"}, "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": 71070.54804570245}, "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"]}, "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": ["Indian Ocean"]}, "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": 2.5}, "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": 97.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.82, 2.18], [95.97, 2.53], [96.32, 2.68], [96.47, 3.03], [97.0, 3.25], [97.25, 3.15], [97.5, 3.25], [98.03, 3.03], [98.18, 2.68], [98.25, 2.65], [98.5, 2.75], [99.03, 2.53], [99.25, 2.0], [99.15, 1.75], [99.18, 1.68], [99.53, 1.53], [99.75, 1.0], [99.65, 0.75], [99.75, 0.5], [99.53, -0.03], [99.18, -0.18], [99.03, -0.53], [98.5, -0.75], [97.97, -0.53], [97.82, -0.18], [97.47, -0.03], [97.32, 0.32], [97.25, 0.35], [97.0, 0.25], [96.75, 0.35], [96.5, 0.25], [96.25, 0.35], [96.0, 0.25], [95.75, 0.35], [95.5, 0.25], [94.97, 0.47], [94.75, 1.0], [94.97, 1.53], [95.32, 1.68], [95.47, 2.03], [95.82, 2.18]]]]}, "2020-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.82, 2.18], [95.97, 2.53], [96.32, 2.68], [96.47, 3.03], [97.0, 3.25], [97.25, 3.15], [97.5, 3.25], [98.03, 3.03], [98.18, 2.68], [98.25, 2.65], [98.5, 2.75], [99.03, 2.53], [99.25, 2.0], [99.15, 1.75], [99.18, 1.68], [99.53, 1.53], [99.75, 1.0], [99.65, 0.75], [99.75, 0.5], [99.53, -0.03], [99.18, -0.18], [99.03, -0.53], [98.5, -0.75], [97.97, -0.53], [97.82, -0.18], [97.47, -0.03], [97.32, 0.32], [97.25, 0.35], [97.0, 0.25], [96.75, 0.35], [96.5, 0.25], [96.25, 0.35], [96.0, 0.25], [95.75, 0.35], [95.5, 0.25], [94.97, 0.47], [94.75, 1.0], [94.97, 1.53], [95.32, 1.68], [95.47, 2.03], [95.82, 2.18]]]]}, "2020-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.82, 2.18], [95.97, 2.53], [96.32, 2.68], [96.47, 3.03], [97.0, 3.25], [97.25, 3.15], [97.5, 3.25], [98.03, 3.03], [98.18, 2.68], [98.25, 2.65], [98.5, 2.75], [99.03, 2.53], [99.25, 2.0], [99.15, 1.75], [99.18, 1.68], [99.53, 1.53], [99.75, 1.0], [99.65, 0.75], [99.75, 0.5], [99.53, -0.03], [99.18, -0.18], [99.03, -0.53], [98.5, -0.75], [97.97, -0.53], [97.82, -0.18], [97.47, -0.03], [97.32, 0.32], [97.25, 0.35], [97.0, 0.25], [96.75, 0.35], [96.5, 0.25], [96.25, 0.35], [96.0, 0.25], [95.75, 0.35], [95.5, 0.25], [94.97, 0.47], [94.75, 1.0], [94.97, 1.53], [95.32, 1.68], [95.47, 2.03], [95.82, 2.18]]]]}, "2020-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.5, 3.25], [98.03, 3.03], [98.25, 2.5], [98.03, 1.97], [97.5, 1.75], [96.97, 1.97], [96.75, 2.5], [96.97, 3.03], [97.5, 3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6701942825603737}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2208945592344531}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.663791036740065, 27.767721903248685, 27.705807416531115, 27.697910018758364]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.152529819181552, 28.215340710925716, 28.27471538340143, 27.697910018758364]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1558665547310922, 1.2811675177817985, 1.2288130979987855, 1.1481342246431723]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3426550369651977, 1.6701942825603737, 1.6170949592282113, 1.1481342246431723]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6653100270004506, 1.8426043785861863, 1.7592059180073187, 1.45481580473575]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1300209632328313, 2.334021710216567, 2.1385513318962364, 1.45481580473575]}}