{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:17.850381", "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-Jul-11_to_2018-Jul-17_147.5_-8.5"}, "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": 2018070002131}, "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": "July 11 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 58057.463061878676}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "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": ["Solomon 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": -8.5}, "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": 147.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "147.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 146.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 151.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.25, -7.5], [146.47, -6.97], [147.0, -6.75], [147.53, -6.97], [147.68, -7.32], [148.03, -7.47], [148.25, -8.0], [148.15, -8.25], [148.18, -8.32], [148.25, -8.35], [148.5, -8.25], [149.03, -8.47], [149.25, -9.0], [149.03, -9.53], [148.5, -9.75], [148.25, -9.65], [148.0, -9.75], [147.47, -9.53], [147.32, -9.18], [146.97, -9.03], [146.75, -8.5], [146.85, -8.25], [146.82, -8.18], [146.47, -8.03], [146.25, -7.5]]]]}, "2018-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -11.03], [149.75, -10.5], [149.97, -9.97], [150.5, -9.75], [151.03, -9.97], [151.25, -10.5], [151.03, -11.03], [150.5, -11.25], [149.97, -11.03]]], [[[145.97, -5.47], [146.5, -5.25], [147.03, -5.47], [147.18, -5.82], [147.25, -5.85], [147.5, -5.75], [148.03, -5.97], [148.25, -6.5], [148.03, -7.03], [147.63, -7.2], [147.68, -7.32], [148.03, -7.47], [148.25, -8.0], [148.15, -8.25], [148.18, -8.32], [148.25, -8.35], [148.5, -8.25], [149.03, -8.47], [149.18, -8.82], [149.53, -8.97], [149.75, -9.5], [149.53, -10.03], [149.0, -10.25], [148.47, -10.03], [148.32, -9.68], [148.25, -9.65], [148.0, -9.75], [147.47, -9.53], [147.32, -9.18], [146.97, -9.03], [146.75, -8.5], [146.85, -8.25], [146.82, -8.18], [146.47, -8.03], [146.25, -7.5], [146.46, -7.0], [146.32, -6.68], [145.97, -6.53], [145.75, -6.0], [145.97, -5.47]]]]}, "2018-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.03, -8.97], [151.25, -9.5], [151.04, -10.0], [151.25, -10.5], [151.03, -11.03], [150.5, -11.25], [149.97, -11.03], [149.75, -10.5], [149.96, -10.0], [149.75, -9.5], [149.97, -8.97], [150.5, -8.75], [151.03, -8.97]]], [[[145.97, -5.47], [146.5, -5.25], [147.03, -5.47], [147.18, -5.82], [147.25, -5.85], [147.5, -5.75], [148.03, -5.97], [148.25, -6.5], [148.04, -7.0], [148.25, -7.5], [148.15, -7.75], [148.25, -8.0], [148.15, -8.25], [148.18, -8.32], [148.25, -8.35], [148.5, -8.25], [149.03, -8.47], [149.18, -8.82], [149.53, -8.97], [149.75, -9.5], [149.53, -10.03], [149.0, -10.25], [148.47, -10.03], [148.32, -9.68], [148.25, -9.65], [148.0, -9.75], [147.47, -9.53], [147.32, -9.18], [146.97, -9.03], [146.75, -8.5], [146.85, -8.25], [146.82, -8.18], [146.47, -8.03], [146.25, -7.5], [146.35, -7.25], [146.25, -7.0], [146.35, -6.75], [146.32, -6.68], [145.97, -6.53], [145.75, -6.0], [145.97, -5.47]]]]}, "2018-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.75, -6.0], [145.97, -5.47], [146.5, -5.25], [147.03, -5.47], [147.18, -5.82], [147.25, -5.85], [147.5, -5.75], [148.03, -5.97], [148.25, -6.5], [148.04, -7.0], [148.25, -7.5], [148.04, -8.0], [148.18, -8.32], [148.5, -8.46], [149.0, -8.25], [149.53, -8.47], [149.68, -8.82], [149.75, -8.85], [150.0, -8.75], [150.25, -8.85], [150.5, -8.75], [151.03, -8.97], [151.18, -9.32], [151.53, -9.47], [151.75, -10.0], [151.53, -10.53], [151.18, -10.68], [151.03, -11.03], [150.5, -11.25], [149.97, -11.03], [149.8, -10.63], [149.5, -10.75], [148.97, -10.53], [148.82, -10.18], [148.47, -10.03], [148.3, -9.63], [148.0, -9.75], [147.47, -9.53], [147.32, -9.18], [146.97, -9.03], [146.75, -8.5], [146.96, -8.0], [146.82, -7.68], [146.47, -7.53], [146.25, -7.0], [146.35, -6.75], [146.32, -6.68], [145.97, -6.53], [145.75, -6.0]]]]}, "2018-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.25, -7.0], [146.47, -6.47], [147.0, -6.25], [147.53, -6.47], [147.68, -6.82], [148.03, -6.97], [148.25, -7.5], [148.04, -8.0], [148.18, -8.32], [148.25, -8.35], [148.5, -8.25], [148.75, -8.35], [149.0, -8.25], [149.53, -8.47], [149.68, -8.82], [149.75, -8.85], [150.0, -8.75], [150.25, -8.85], [150.5, -8.75], [151.03, -8.97], [151.18, -9.32], [151.53, -9.47], [151.75, -10.0], [151.53, -10.53], [151.18, -10.68], [151.03, -11.03], [150.5, -11.25], [149.97, -11.03], [149.8, -10.63], [149.5, -10.75], [148.97, -10.53], [148.82, -10.18], [148.47, -10.03], [148.32, -9.68], [148.25, -9.65], [148.0, -9.75], [147.47, -9.53], [147.32, -9.18], [146.97, -9.03], [146.75, -8.5], [146.96, -8.0], [146.82, -7.68], [146.47, -7.53], [146.25, -7.0]]]]}, "2018-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -7.97], [147.5, -7.75], [148.03, -7.97], [148.18, -8.32], [148.25, -8.35], [148.5, -8.25], [148.75, -8.35], [149.0, -8.25], [149.53, -8.47], [149.68, -8.82], [149.75, -8.85], [150.0, -8.75], [150.25, -8.85], [150.5, -8.75], [151.03, -8.97], [151.18, -9.32], [151.53, -9.47], [151.75, -10.0], [151.53, -10.53], [151.18, -10.68], [151.03, -11.03], [150.5, -11.25], [149.97, -11.03], [149.8, -10.63], [149.5, -10.75], [148.97, -10.53], [148.82, -10.18], [148.47, -10.03], [148.32, -9.68], [148.25, -9.65], [148.0, -9.75], [147.47, -9.53], [147.32, -9.18], [146.97, -9.03], [146.75, -8.5], [146.97, -7.97]]], [[[146.47, -7.53], [146.25, -7.0], [146.47, -6.47], [147.0, -6.25], [147.53, -6.47], [147.75, -7.0], [147.53, -7.53], [147.0, -7.75], [146.47, -7.53]]]]}, "2018-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.53, -9.47], [151.75, -10.0], [151.53, -10.53], [151.18, -10.68], [151.03, -11.03], [150.5, -11.25], [149.97, -11.03], [149.75, -10.5], [149.97, -9.97], [150.32, -9.82], [150.47, -9.47], [151.0, -9.25], [151.53, -9.47]]], [[[147.97, -9.53], [147.75, -9.0], [147.97, -8.47], [148.5, -8.25], [149.03, -8.47], [149.25, -9.0], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7743034262559831}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9194683317500576}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.286138627121716, 21.503129653038513, 22.038063804610033, 23.043720394386582, 23.948897130448188, 23.825940399910223, 25.14908242252477]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.325652083522925, 25.285973819564276, 25.78898107775609, 26.305713521593873, 26.14342359919732, 26.140512196181533, 25.604231760665925]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9105192899510257, 1.1277716799593918, 0.8670414395938425, 0.888678328135704, 0.8821129392837699, 0.9157213755905917, 0.8219974342045097]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1304215622643596, 1.4295965667730002, 1.1515954766152845, 1.3187313418251279, 1.7743034262559831, 1.416621019952231, 0.8957087903765455]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6413281488043787, 1.9264514729150886, 1.5689778830418686, 1.6102930992654128, 1.56391969316172, 1.5469496240774585, 1.333805611407423]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.957443827885156, 2.4406227288270124, 1.893708615547287, 2.1558195480970146, 1.9682533273771678, 2.0798602919329947, 1.3870238157049941]}}