{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:42.950739", "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": "2017-Aug-04_to_2017-Aug-13_149.5_-5.0"}, "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": 2017080001429}, "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": "August 04 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 13 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 101643.7549762305}, "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": ["Equatorial.Pacific-Ocean", "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": ["Bismarck Sea", "Solomon Sea", "South Pacific 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": -5.0}, "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": 149.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "149.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 152.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.25, -4.5], [146.47, -3.97], [147.0, -3.75], [147.25, -3.85], [147.32, -3.82], [147.47, -3.47], [148.0, -3.25], [148.53, -3.47], [148.75, -4.0], [148.65, -4.25], [148.75, -4.5], [148.65, -4.75], [148.75, -5.0], [148.53, -5.53], [148.0, -5.75], [147.47, -5.53], [147.32, -5.18], [147.25, -5.15], [147.0, -5.25], [146.47, -5.03], [146.25, -4.5]]], [[[150.97, -4.53], [150.75, -4.0], [150.97, -3.47], [151.5, -3.25], [152.03, -3.47], [152.25, -4.0], [152.03, -4.53], [151.5, -4.75], [150.97, -4.53]]]]}, "2017-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.25, -4.5], [145.47, -3.97], [146.0, -3.75], [146.25, -3.85], [146.5, -3.75], [146.75, -3.85], [147.0, -3.75], [147.25, -3.85], [147.32, -3.82], [147.47, -3.47], [148.0, -3.25], [148.53, -3.47], [148.75, -4.0], [148.65, -4.25], [148.68, -4.32], [149.03, -4.47], [149.18, -4.82], [149.53, -4.97], [149.68, -5.32], [150.03, -5.47], [150.25, -6.0], [150.03, -6.53], [149.5, -6.75], [149.25, -6.65], [149.0, -6.75], [148.75, -6.65], [148.5, -6.75], [147.97, -6.53], [147.82, -6.18], [147.47, -6.03], [147.32, -5.68], [146.97, -5.53], [146.82, -5.18], [146.75, -5.15], [146.5, -5.25], [146.25, -5.15], [146.0, -5.25], [145.47, -5.03], [145.25, -4.5]]], [[[150.97, -4.53], [150.75, -4.0], [150.97, -3.47], [151.5, -3.25], [152.03, -3.47], [152.25, -4.0], [152.03, -4.53], [151.5, -4.75], [150.97, -4.53]]]]}, "2017-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.25, -4.5], [145.47, -3.97], [146.0, -3.75], [146.25, -3.85], [146.5, -3.75], [146.75, -3.85], [147.0, -3.75], [147.25, -3.85], [147.32, -3.82], [147.47, -3.47], [148.0, -3.25], [148.53, -3.47], [148.68, -3.82], [148.75, -3.85], [149.0, -3.75], [149.25, -3.85], [149.5, -3.75], [149.75, -3.85], [150.0, -3.75], [150.25, -3.85], [150.5, -3.75], [150.8, -3.87], [150.97, -3.47], [151.5, -3.25], [152.0, -3.46], [152.5, -3.25], [153.03, -3.47], [153.25, -4.0], [153.03, -4.53], [152.5, -4.75], [152.0, -4.54], [151.5, -4.75], [151.2, -4.63], [151.15, -4.75], [151.25, -5.0], [151.03, -5.53], [150.5, -5.75], [150.25, -5.65], [150.13, -5.7], [150.25, -6.0], [150.03, -6.53], [149.5, -6.75], [149.25, -6.65], [149.0, -6.75], [148.75, -6.65], [148.5, -6.75], [147.97, -6.53], [147.82, -6.18], [147.47, -6.03], [147.32, -5.68], [147.0, -5.54], [146.5, -5.75], [145.97, -5.53], [145.82, -5.18], [145.47, -5.03], [145.25, -4.5]]]]}, "2017-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.25, -4.5], [145.47, -3.97], [146.0, -3.75], [146.25, -3.85], [146.5, -3.75], [146.75, -3.85], [147.0, -3.75], [147.25, -3.85], [147.5, -3.75], [147.75, -3.85], [148.0, -3.75], [148.25, -3.85], [148.5, -3.75], [148.75, -3.85], [149.0, -3.75], [149.25, -3.85], [149.5, -3.75], [149.75, -3.85], [150.0, -3.75], [150.25, -3.85], [150.32, -3.82], [150.47, -3.47], [151.0, -3.25], [151.25, -3.35], [151.5, -3.25], [151.8, -3.37], [151.97, -2.97], [152.5, -2.75], [153.03, -2.97], [153.25, -3.5], [153.15, -3.75], [153.25, -4.0], [153.03, -4.53], [152.5, -4.75], [152.0, -4.54], [151.5, -4.75], [151.25, -4.65], [151.18, -4.68], [151.15, -4.75], [151.25, -5.0], [151.03, -5.53], [150.5, -5.75], [150.25, -5.65], [150.13, -5.7], [150.25, -6.0], [150.03, -6.53], [149.5, -6.75], [149.25, -6.65], [149.0, -6.75], [148.75, -6.65], [148.5, -6.75], [147.97, -6.53], [147.82, -6.18], [147.47, -6.03], [147.32, -5.68], [147.0, -5.54], [146.5, -5.75], [145.97, -5.53], [145.82, -5.18], [145.47, -5.03], [145.25, -4.5]]]]}, "2017-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.47, -3.97], [146.0, -3.75], [146.53, -3.97], [146.68, -4.32], [147.03, -4.47], [147.25, -5.0], [147.03, -5.53], [146.5, -5.75], [145.97, -5.53], [145.82, -5.18], [145.47, -5.03], [145.25, -4.5], [145.47, -3.97]]], [[[147.47, -3.97], [148.0, -3.75], [148.25, -3.85], [148.5, -3.75], [148.75, -3.85], [149.0, -3.75], [149.25, -3.85], [149.5, -3.75], [149.75, -3.85], [150.0, -3.75], [150.25, -3.85], [150.32, -3.82], [150.47, -3.47], [151.0, -3.25], [151.25, -3.35], [151.5, -3.25], [151.8, -3.37], [151.97, -2.97], [152.5, -2.75], [153.03, -2.97], [153.25, -3.5], [153.15, -3.75], [153.25, -4.0], [153.03, -4.53], [152.5, -4.75], [152.0, -4.54], [151.5, -4.75], [151.25, -4.65], [151.18, -4.68], [151.15, -4.75], [151.25, -5.0], [151.03, -5.53], [150.5, -5.75], [150.25, -5.65], [150.13, -5.7], [150.25, -6.0], [150.03, -6.53], [149.5, -6.75], [148.97, -6.53], [148.75, -6.0], [148.88, -5.7], [148.75, -5.65], [148.5, -5.75], [147.97, -5.53], [147.82, -5.18], [147.47, -5.03], [147.25, -4.5], [147.47, -3.97]]]]}, "2017-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.97, -5.53], [148.75, -5.0], [148.97, -4.47], [149.5, -4.25], [149.75, -4.35], [150.0, -4.25], [150.43, -4.43], [150.25, -4.0], [150.47, -3.47], [151.0, -3.25], [151.25, -3.35], [151.5, -3.25], [151.8, -3.37], [151.97, -2.97], [152.5, -2.75], [153.03, -2.97], [153.25, -3.5], [153.03, -4.03], [152.5, -4.25], [152.2, -4.13], [152.15, -4.25], [152.25, -4.5], [152.03, -5.03], [151.5, -5.25], [150.97, -5.03], [150.82, -4.68], [150.57, -4.57], [150.75, -5.0], [150.53, -5.53], [150.0, -5.75], [149.75, -5.65], [149.5, -5.75], [148.97, -5.53]]]]}, "2017-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.97, -4.47], [149.5, -4.25], [149.75, -4.35], [150.0, -4.25], [150.53, -4.47], [150.75, -5.0], [150.65, -5.25], [150.75, -5.5], [150.53, -6.03], [150.0, -6.25], [149.47, -6.03], [149.32, -5.68], [148.97, -5.53], [148.75, -5.0], [148.97, -4.47]]], [[[150.85, -4.25], [150.75, -4.0], [150.97, -3.47], [151.5, -3.25], [151.75, -3.35], [152.0, -3.25], [152.53, -3.47], [152.75, -4.0], [152.53, -4.53], [152.18, -4.68], [152.15, -4.75], [152.25, -5.0], [152.03, -5.53], [151.5, -5.75], [150.97, -5.53], [150.75, -5.0], [150.85, -4.75], [150.75, -4.5], [150.85, -4.25]]]]}, "2017-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.97, -4.47], [149.5, -4.25], [150.03, -4.47], [150.18, -4.82], [150.53, -4.97], [150.75, -5.5], [150.53, -6.03], [150.0, -6.25], [149.47, -6.03], [149.32, -5.68], [148.97, -5.53], [148.75, -5.0], [148.97, -4.47]]], [[[151.32, -3.82], [151.47, -3.47], [152.0, -3.25], [152.53, -3.47], [152.75, -4.0], [152.53, -4.53], [152.18, -4.68], [152.15, -4.75], [152.25, -5.0], [152.03, -5.53], [151.5, -5.75], [150.97, -5.53], [150.75, -5.0], [150.85, -4.75], [150.75, -4.5], [150.97, -3.97], [151.32, -3.82]]]]}, "2017-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.97, -4.47], [149.5, -4.25], [150.03, -4.47], [150.18, -4.82], [150.53, -4.97], [150.75, -5.5], [150.53, -6.03], [150.0, -6.25], [149.47, -6.03], [149.32, -5.68], [148.97, -5.53], [148.75, -5.0], [148.97, -4.47]]], [[[151.32, -3.82], [151.47, -3.47], [152.0, -3.25], [152.53, -3.47], [152.75, -4.0], [152.53, -4.53], [152.18, -4.68], [152.15, -4.75], [152.25, -5.0], [152.03, -5.53], [151.5, -5.75], [150.97, -5.53], [150.75, -5.0], [150.85, -4.75], [150.75, -4.5], [150.97, -3.97], [151.32, -3.82]]]]}, "2017-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.0, -4.75], [150.53, -4.97], [150.75, -5.5], [150.53, -6.03], [150.0, -6.25], [149.47, -6.03], [149.25, -5.5], [149.47, -4.97], [150.0, -4.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3883529454803352}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8986360640232622}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.749840027520293, 27.177595526264042, 27.340460109326102, 27.474921394996727, 27.554870165242164, 27.76361899157115, 27.448779418198683, 27.145472217654287, 27.235934699990196, 27.01914927146862]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.960283616846823, 27.934808083704525, 28.005474291879125, 28.33584490001533, 28.121574571899544, 28.214795551454642, 28.03127435410596, 27.688977302110118, 28.066891421142202, 27.01914927146862]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7771837077222775, 0.898420052336661, 0.8594471159880965, 0.9606806166827206, 0.8686615060460414, 0.844805229143598, 0.9774929388076592, 0.8847212805953746, 0.9762999491594769, 0.9434439321349828]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.021400314312075, 1.3883529454803352, 1.148944870174489, 1.2749679049710494, 1.041689597522577, 1.0441903885028978, 1.2874891913958209, 1.146960584630392, 1.1398608727231476, 0.9434439321349828]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5990120430404742, 1.741851010116206, 1.6127136215783082, 1.766825173962684, 1.58015895143238, 1.4731456686751752, 1.6728817949219779, 1.522354641407269, 1.7138740896123614, 1.4312162323443107]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8779495264258543, 2.277828044166707, 2.0645051776384276, 2.2011137252492885, 1.8776075893357018, 1.6706961081733904, 2.0660244428370445, 1.8342442650166748, 2.230065902503656, 1.4312162323443107]}}