{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:21.070122", "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-Jun-12_to_2017-Jun-22_45.5_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": 2017060001993}, "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": "June 12 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 22 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 160515.81002535223}, "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": ["Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "S.Eastern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 45.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "45.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 47.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "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": {"2017-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.25, 3.5], [44.47, 4.03], [44.82, 4.18], [44.97, 4.53], [45.5, 4.75], [46.03, 4.53], [46.25, 4.0], [46.15, 3.75], [46.18, 3.68], [46.53, 3.53], [46.75, 3.0], [46.53, 2.47], [46.18, 2.32], [46.03, 1.97], [45.5, 1.75], [44.97, 1.97], [44.75, 2.5], [44.85, 2.75], [44.82, 2.82], [44.47, 2.97], [44.25, 3.5]]]]}, "2017-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.25, 3.5], [44.47, 4.03], [44.82, 4.18], [44.97, 4.53], [45.5, 4.75], [46.03, 4.53], [46.25, 4.0], [46.15, 3.75], [46.18, 3.68], [46.53, 3.53], [46.75, 3.0], [46.53, 2.47], [46.18, 2.32], [46.03, 1.97], [45.5, 1.75], [44.97, 1.97], [44.75, 2.5], [44.85, 2.75], [44.82, 2.82], [44.47, 2.97], [44.25, 3.5]]]]}, "2017-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.46, 3.0], [44.25, 3.5], [44.47, 4.03], [44.82, 4.18], [44.97, 4.53], [45.5, 4.75], [46.03, 4.53], [46.25, 4.0], [46.15, 3.75], [46.18, 3.68], [46.53, 3.53], [46.75, 3.0], [46.65, 2.75], [46.75, 2.5], [46.53, 1.97], [46.18, 1.82], [46.03, 1.47], [45.5, 1.25], [45.25, 1.35], [45.0, 1.25], [44.47, 1.47], [44.25, 2.0], [44.35, 2.25], [44.25, 2.5], [44.46, 3.0]]]]}, "2017-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.47, 3.03], [44.82, 3.18], [44.96, 3.5], [44.75, 4.0], [44.97, 4.53], [45.5, 4.75], [46.03, 4.53], [46.25, 4.0], [46.13, 3.7], [46.25, 3.65], [46.32, 3.68], [46.47, 4.03], [47.0, 4.25], [47.53, 4.03], [47.75, 3.5], [47.53, 2.97], [47.18, 2.82], [47.03, 2.47], [46.68, 2.32], [46.53, 1.97], [46.18, 1.82], [46.03, 1.47], [45.5, 1.25], [45.25, 1.35], [45.0, 1.25], [44.47, 1.47], [44.25, 2.0], [44.35, 2.25], [44.25, 2.5], [44.47, 3.03]]]]}, "2017-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.47, 3.03], [44.82, 3.18], [44.96, 3.5], [44.75, 4.0], [44.97, 4.53], [45.5, 4.75], [46.03, 4.53], [46.25, 4.0], [46.13, 3.7], [46.25, 3.65], [46.32, 3.68], [46.47, 4.03], [47.0, 4.25], [47.53, 4.03], [47.75, 3.5], [47.53, 2.97], [47.18, 2.82], [47.03, 2.47], [46.68, 2.32], [46.65, 2.25], [46.75, 2.0], [46.53, 1.47], [46.0, 1.25], [45.75, 1.35], [45.5, 1.25], [45.25, 1.35], [45.0, 1.25], [44.47, 1.47], [44.25, 2.0], [44.35, 2.25], [44.25, 2.5], [44.47, 3.03]]]]}, "2017-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.35, 1.25], [44.25, 1.5], [44.47, 2.03], [44.82, 2.18], [44.85, 2.25], [44.75, 2.5], [44.97, 3.03], [45.32, 3.18], [45.47, 3.53], [46.0, 3.75], [46.25, 3.65], [46.32, 3.68], [46.47, 4.03], [47.0, 4.25], [47.53, 4.03], [47.75, 3.5], [47.65, 3.25], [47.75, 3.0], [47.53, 2.47], [47.0, 2.25], [46.75, 2.35], [46.68, 2.32], [46.65, 2.25], [46.75, 2.0], [46.53, 1.47], [46.18, 1.32], [46.03, 0.97], [45.68, 0.82], [45.65, 0.75], [45.75, 0.5], [45.53, -0.03], [45.0, -0.25], [44.47, -0.03], [44.25, 0.5], [44.35, 0.75], [44.25, 1.0], [44.35, 1.25]]]]}, "2017-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.35, -3.75], [43.25, -3.5], [43.35, -3.25], [43.25, -3.0], [43.35, -2.75], [43.25, -2.5], [43.35, -2.25], [43.25, -2.0], [43.35, -1.75], [43.25, -1.5], [43.35, -1.25], [43.25, -1.0], [43.35, -0.75], [43.25, -0.5], [43.47, 0.03], [43.82, 0.18], [43.85, 0.25], [43.75, 0.5], [43.85, 0.75], [43.75, 1.0], [43.85, 1.25], [43.75, 1.5], [43.97, 2.03], [44.32, 2.18], [44.47, 2.53], [44.82, 2.68], [44.97, 3.03], [45.5, 3.25], [45.75, 3.15], [45.82, 3.18], [45.97, 3.53], [46.32, 3.68], [46.47, 4.03], [47.0, 4.25], [47.53, 4.03], [47.75, 3.5], [47.65, 3.25], [47.75, 3.0], [47.53, 2.47], [47.18, 2.32], [47.03, 1.97], [46.68, 1.82], [46.65, 1.75], [46.75, 1.5], [46.53, 0.97], [46.18, 0.82], [46.03, 0.47], [45.68, 0.32], [45.65, 0.25], [45.75, 0.0], [45.53, -0.53], [45.18, -0.68], [45.15, -0.75], [45.25, -1.0], [45.15, -1.25], [45.25, -1.5], [45.15, -1.75], [45.25, -2.0], [45.03, -2.53], [44.68, -2.68], [44.65, -2.75], [44.75, -3.0], [44.65, -3.25], [44.75, -3.5], [44.65, -3.75], [44.75, -4.0], [44.65, -4.25], [44.75, -4.5], [44.53, -5.03], [44.0, -5.25], [43.47, -5.03], [43.25, -4.5], [43.35, -4.25], [43.25, -4.0], [43.35, -3.75]]]]}, "2017-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.35, -3.75], [43.25, -3.5], [43.35, -3.25], [43.25, -3.0], [43.35, -2.75], [43.25, -2.5], [43.35, -2.25], [43.25, -2.0], [43.35, -1.75], [43.25, -1.5], [43.35, -1.25], [43.25, -1.0], [43.35, -0.75], [43.25, -0.5], [43.47, 0.03], [43.82, 0.18], [43.85, 0.25], [43.75, 0.5], [43.85, 0.75], [43.75, 1.0], [43.85, 1.25], [43.75, 1.5], [43.97, 2.03], [44.32, 2.18], [44.47, 2.53], [44.82, 2.68], [44.97, 3.03], [45.5, 3.25], [45.75, 3.15], [45.82, 3.18], [45.97, 3.53], [46.5, 3.75], [46.75, 3.65], [47.0, 3.75], [47.53, 3.53], [47.75, 3.0], [47.53, 2.47], [47.18, 2.32], [47.03, 1.97], [46.68, 1.82], [46.65, 1.75], [46.75, 1.5], [46.53, 0.97], [46.18, 0.82], [46.03, 0.47], [45.68, 0.32], [45.65, 0.25], [45.75, 0.0], [45.53, -0.53], [45.18, -0.68], [45.15, -0.75], [45.25, -1.0], [45.15, -1.25], [45.25, -1.5], [45.15, -1.75], [45.25, -2.0], [45.15, -2.25], [45.25, -2.5], [45.03, -3.03], [44.68, -3.18], [44.65, -3.25], [44.75, -3.5], [44.65, -3.75], [44.68, -3.82], [45.03, -3.97], [45.25, -4.5], [45.03, -5.03], [44.5, -5.25], [44.25, -5.15], [44.0, -5.25], [43.47, -5.03], [43.25, -4.5], [43.35, -4.25], [43.25, -4.0], [43.35, -3.75]]]]}, "2017-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.35, -3.75], [43.25, -3.5], [43.35, -3.25], [43.25, -3.0], [43.35, -2.75], [43.25, -2.5], [43.35, -2.25], [43.25, -2.0], [43.35, -1.75], [43.25, -1.5], [43.35, -1.25], [43.25, -1.0], [43.35, -0.75], [43.25, -0.5], [43.47, 0.03], [43.82, 0.18], [43.85, 0.25], [43.75, 0.5], [43.85, 0.75], [43.75, 1.0], [43.85, 1.25], [43.75, 1.5], [43.97, 2.03], [44.32, 2.18], [44.35, 2.25], [44.25, 2.5], [44.47, 3.03], [44.82, 3.18], [44.85, 3.25], [44.75, 3.5], [44.85, 3.75], [44.75, 4.0], [44.85, 4.25], [44.75, 4.5], [44.97, 5.03], [45.32, 5.18], [45.35, 5.25], [45.25, 5.5], [45.47, 6.03], [45.82, 6.18], [45.97, 6.53], [46.5, 6.75], [47.03, 6.53], [47.25, 6.0], [47.03, 5.47], [46.68, 5.32], [46.65, 5.25], [46.7, 5.12], [47.0, 5.25], [47.53, 5.03], [47.75, 4.5], [47.65, 4.25], [47.75, 4.0], [47.54, 3.5], [47.75, 3.0], [47.53, 2.47], [47.18, 2.32], [47.03, 1.97], [46.68, 1.82], [46.65, 1.75], [46.75, 1.5], [46.53, 0.97], [46.18, 0.82], [46.03, 0.47], [45.68, 0.32], [45.65, 0.25], [45.75, 0.0], [45.53, -0.53], [45.18, -0.68], [45.15, -0.75], [45.25, -1.0], [45.15, -1.25], [45.25, -1.5], [45.15, -1.75], [45.25, -2.0], [45.15, -2.25], [45.25, -2.5], [45.03, -3.03], [44.68, -3.18], [44.65, -3.25], [44.75, -3.5], [44.65, -3.75], [44.68, -3.82], [45.03, -3.97], [45.25, -4.5], [45.03, -5.03], [44.5, -5.25], [44.25, -5.15], [44.0, -5.25], [43.47, -5.03], [43.25, -4.5], [43.35, -4.25], [43.25, -4.0], [43.35, -3.75]]]]}, "2017-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, -5.03], [43.75, -4.5], [43.97, -3.97], [44.5, -3.75], [45.03, -3.97], [45.25, -4.5], [45.03, -5.03], [44.5, -5.25], [43.97, -5.03]]], [[[43.97, -0.97], [44.5, -0.75], [45.03, -0.97], [45.25, -1.5], [45.15, -1.75], [45.25, -2.0], [45.15, -2.25], [45.25, -2.5], [45.03, -3.03], [44.5, -3.25], [43.97, -3.03], [43.75, -2.5], [43.85, -2.25], [43.75, -2.0], [43.85, -1.75], [43.75, -1.5], [43.97, -0.97]]], [[[43.75, 0.5], [43.85, 0.75], [43.75, 1.0], [43.85, 1.25], [43.75, 1.5], [43.97, 2.03], [44.32, 2.18], [44.35, 2.25], [44.25, 2.5], [44.47, 3.03], [44.82, 3.18], [44.85, 3.25], [44.75, 3.5], [44.85, 3.75], [44.75, 4.0], [44.85, 4.25], [44.75, 4.5], [44.97, 5.03], [45.32, 5.18], [45.35, 5.25], [45.25, 5.5], [45.47, 6.03], [45.82, 6.18], [45.97, 6.53], [46.5, 6.75], [47.03, 6.53], [47.25, 6.0], [47.03, 5.47], [46.68, 5.32], [46.65, 5.25], [46.7, 5.12], [47.0, 5.25], [47.53, 5.03], [47.75, 4.5], [47.65, 4.25], [47.75, 4.0], [47.53, 3.47], [47.18, 3.32], [47.15, 3.25], [47.25, 3.0], [47.15, 2.75], [47.25, 2.5], [47.03, 1.97], [46.68, 1.82], [46.53, 1.47], [46.18, 1.32], [46.03, 0.97], [45.68, 0.82], [45.65, 0.75], [45.75, 0.5], [45.53, -0.03], [45.18, -0.18], [45.03, -0.53], [44.5, -0.75], [43.97, -0.53], [43.75, 0.0], [43.85, 0.25], [43.75, 0.5]]]]}, "2017-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.75, 1.5], [43.97, 2.03], [44.32, 2.18], [44.35, 2.25], [44.25, 2.5], [44.47, 3.03], [44.82, 3.18], [44.85, 3.25], [44.75, 3.5], [44.85, 3.75], [44.75, 4.0], [44.85, 4.25], [44.75, 4.5], [44.97, 5.03], [45.32, 5.18], [45.35, 5.25], [45.25, 5.5], [45.47, 6.03], [45.82, 6.18], [45.97, 6.53], [46.5, 6.75], [47.03, 6.53], [47.25, 6.0], [47.03, 5.47], [46.68, 5.32], [46.65, 5.25], [46.7, 5.12], [47.0, 5.25], [47.53, 5.03], [47.75, 4.5], [47.65, 4.25], [47.75, 4.0], [47.53, 3.47], [47.18, 3.32], [47.15, 3.25], [47.25, 3.0], [47.15, 2.75], [47.25, 2.5], [47.03, 1.97], [46.68, 1.82], [46.53, 1.47], [46.18, 1.32], [46.03, 0.97], [45.68, 0.82], [45.53, 0.47], [45.0, 0.25], [44.47, 0.47], [44.32, 0.82], [43.97, 0.97], [43.75, 1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5037945211282135}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9465755072749632}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.999751788707897, 27.95100391252248, 27.778200323617966, 27.40396619708781, 27.268485268520692, 26.820609143277295, 26.725023661942032, 26.664259167339992, 27.189548922760366, 27.361451295131815, 27.49352791324071]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.827205325094894, 28.70604283593792, 29.08515875207968, 28.81863488550124, 28.71494937120184, 27.416527772766756, 27.309901421351924, 26.967251885441897, 29.430833149022703, 29.697272991683633, 29.34286010731165]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0281471847338726, 1.0400888364222947, 1.1822696636451553, 0.9814269271723959, 0.915097017835654, 0.8095731511453721, 0.8208608689696272, 0.8335002300140539, 0.9939066557923718, 1.0182813796144485, 0.9966201512849032]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.124757542477198, 1.079493097191289, 1.5037945211282135, 1.311405971898182, 1.259615823588149, 0.9649042827863354, 0.973691632330997, 1.0548970666901027, 1.460869370070725, 1.3962221363758545, 1.286638464971361]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4759193124911347, 1.447991418180387, 1.746716641361235, 1.568349742859392, 1.4777772665583833, 1.4825646407895692, 1.6169800797424265, 1.6372020655381636, 1.7113581359519763, 1.6053334751235684, 1.4790387423658535]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7110582250915527, 1.5764164794711373, 1.9602989566561184, 1.8960292289968719, 1.67882489651976, 1.6660985665978216, 1.8754277419293737, 1.9908000323420745, 2.069084448984756, 1.9583833365775454, 1.7905464807081526]}}