{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:51.846697", "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-May-05_to_2017-May-17_314.5_-17.0"}, "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": 2017050001291}, "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": "May 05 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 17 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 13}, "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": 59163.06070697921}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": []}, "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": -17.0}, "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": 314.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "314.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 316.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -16.47], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.25, -16.5], [-44.35, -16.75], [-44.25, -17.0], [-44.35, -17.25], [-44.25, -17.5], [-44.47, -18.03], [-45.0, -18.25], [-45.25, -18.15], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.53, -18.03], [-46.75, -17.5], [-46.65, -17.25], [-46.75, -17.0], [-46.53, -16.47]]]]}, "2017-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.65, -16.75], [-46.75, -16.5], [-46.65, -16.25], [-46.75, -16.0], [-46.53, -15.47], [-46.0, -15.25], [-45.47, -15.47], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.82, -16.82], [-43.47, -16.97], [-43.25, -17.5], [-43.47, -18.03], [-44.0, -18.25], [-44.25, -18.15], [-44.5, -18.25], [-44.75, -18.15], [-45.0, -18.25], [-45.25, -18.15], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.53, -18.03], [-46.75, -17.5], [-46.65, -17.25], [-46.75, -17.0], [-46.65, -16.75]]]]}, "2017-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.25, -17.0], [-47.03, -16.47], [-46.68, -16.32], [-46.65, -16.25], [-46.68, -16.18], [-47.03, -16.03], [-47.25, -15.5], [-47.03, -14.97], [-46.5, -14.75], [-46.25, -14.85], [-46.0, -14.75], [-45.47, -14.97], [-45.25, -15.5], [-45.35, -15.75], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.82, -16.82], [-43.47, -16.97], [-43.25, -17.5], [-43.47, -18.03], [-44.0, -18.25], [-44.25, -18.15], [-44.5, -18.25], [-44.75, -18.15], [-45.0, -18.25], [-45.25, -18.15], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.53, -18.03], [-46.68, -17.68], [-47.03, -17.53], [-47.25, -17.0]]]]}, "2017-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.25, -17.0], [-47.03, -16.47], [-46.68, -16.32], [-46.65, -16.25], [-46.68, -16.18], [-47.03, -16.03], [-47.25, -15.5], [-47.03, -14.97], [-46.5, -14.75], [-46.25, -14.85], [-46.0, -14.75], [-45.47, -14.97], [-45.25, -15.5], [-45.35, -15.75], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.82, -16.82], [-43.47, -16.97], [-43.25, -17.5], [-43.47, -18.03], [-44.0, -18.25], [-44.25, -18.15], [-44.5, -18.25], [-44.75, -18.15], [-45.0, -18.25], [-45.25, -18.15], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.53, -18.03], [-46.68, -17.68], [-47.03, -17.53], [-47.25, -17.0]]]]}, "2017-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.25, -15.5], [-47.03, -14.97], [-46.5, -14.75], [-46.25, -14.85], [-46.0, -14.75], [-45.47, -14.97], [-45.25, -15.5], [-45.35, -15.75], [-45.32, -15.82], [-45.0, -15.96], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.87, -16.8], [-43.47, -16.97], [-43.25, -17.5], [-43.47, -18.03], [-44.0, -18.25], [-44.5, -18.04], [-45.0, -18.25], [-45.25, -18.15], [-45.5, -18.25], [-46.03, -18.03], [-46.18, -17.68], [-46.25, -17.65], [-46.5, -17.75], [-47.03, -17.53], [-47.25, -17.0], [-47.03, -16.47], [-46.62, -16.3], [-46.68, -16.18], [-47.03, -16.03], [-47.25, -15.5]]]]}, "2017-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.25, -15.5], [-47.03, -14.97], [-46.5, -14.75], [-45.97, -14.97], [-45.82, -15.32], [-45.75, -15.35], [-45.5, -15.25], [-44.97, -15.47], [-44.82, -15.82], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.87, -16.8], [-43.47, -16.97], [-43.25, -17.5], [-43.47, -18.03], [-44.0, -18.25], [-44.5, -18.04], [-45.0, -18.25], [-45.25, -18.15], [-45.5, -18.25], [-46.03, -18.03], [-46.18, -17.68], [-46.53, -17.53], [-46.75, -17.0], [-46.54, -16.5], [-46.68, -16.18], [-47.03, -16.03], [-47.25, -15.5]]]]}, "2017-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.75, -16.0], [-46.53, -15.47], [-46.0, -15.25], [-45.75, -15.35], [-45.5, -15.25], [-44.97, -15.47], [-44.82, -15.82], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.87, -16.8], [-43.47, -16.97], [-43.25, -17.5], [-43.47, -18.03], [-44.0, -18.25], [-44.5, -18.04], [-45.0, -18.25], [-45.25, -18.15], [-45.5, -18.25], [-46.03, -18.03], [-46.25, -17.5], [-46.15, -17.25], [-46.25, -17.0], [-46.15, -16.75], [-46.18, -16.68], [-46.53, -16.53], [-46.75, -16.0]]]]}, "2017-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.15, -16.75], [-46.25, -16.5], [-46.15, -16.25], [-46.25, -16.0], [-46.03, -15.47], [-45.5, -15.25], [-44.97, -15.47], [-44.82, -15.82], [-44.47, -15.97], [-44.25, -16.5], [-44.35, -16.75], [-44.25, -17.0], [-44.47, -17.53], [-44.82, -17.68], [-44.97, -18.03], [-45.5, -18.25], [-46.03, -18.03], [-46.25, -17.5], [-46.15, -17.25], [-46.25, -17.0], [-46.15, -16.75]]]]}, "2017-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.5, -16.25], [-44.97, -16.47], [-44.75, -17.0], [-44.97, -17.53], [-45.5, -17.75], [-46.03, -17.53], [-46.25, -17.0], [-46.03, -16.47], [-45.5, -16.25]]]]}, "2017-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -15.47], [-46.0, -15.25], [-45.47, -15.47], [-45.32, -15.82], [-45.0, -15.96], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.97, -17.03], [-44.32, -17.18], [-44.47, -17.53], [-44.82, -17.68], [-44.97, -18.03], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.03, -16.97], [-46.62, -16.8], [-46.75, -16.5], [-46.65, -16.25], [-46.75, -16.0], [-46.53, -15.47]]]]}, "2017-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -15.47], [-46.0, -15.25], [-45.47, -15.47], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.87, -16.8], [-43.47, -16.97], [-43.25, -17.5], [-43.35, -17.75], [-43.25, -18.0], [-43.47, -18.53], [-44.0, -18.75], [-44.53, -18.53], [-44.68, -18.18], [-45.0, -18.04], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.03, -16.97], [-46.62, -16.8], [-46.75, -16.5], [-46.65, -16.25], [-46.75, -16.0], [-46.53, -15.47]]]]}, "2017-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -15.47], [-46.0, -15.25], [-45.47, -15.47], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.87, -16.8], [-43.47, -16.97], [-43.25, -17.5], [-43.35, -17.75], [-43.25, -18.0], [-43.47, -18.53], [-44.0, -18.75], [-44.53, -18.53], [-44.68, -18.18], [-45.0, -18.04], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.03, -16.97], [-46.62, -16.8], [-46.75, -16.5], [-46.65, -16.25], [-46.75, -16.0], [-46.53, -15.47]]]]}, "2017-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -18.03], [-47.25, -17.5], [-47.03, -16.97], [-46.5, -16.75], [-46.25, -16.85], [-46.18, -16.82], [-46.15, -16.75], [-46.25, -16.5], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.25, -16.5], [-44.35, -16.75], [-44.32, -16.82], [-44.25, -16.85], [-44.0, -16.75], [-43.47, -16.97], [-43.25, -17.5], [-43.35, -17.75], [-43.25, -18.0], [-43.47, -18.53], [-44.0, -18.75], [-44.53, -18.53], [-44.68, -18.18], [-45.0, -18.04], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.260062386525533}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.284984751811232}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.995763323122333, 25.709826850937247, 25.796836901731865, 25.701069860106372, 25.524229248703193, 25.99308215183015, 26.19788707712314, 25.905463369780648, 25.715560611189687, 25.320868725453124, 24.964095171039162, 25.46731789854664, 24.852426574157164]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.90916932188253, 27.566218783687248, 27.436303847440684, 27.395436297139327, 26.54184885485904, 27.38918023079094, 27.92947686996507, 26.566466882177792, 25.715560611189687, 26.460601239945674, 27.07653940860422, 27.099938721699175, 26.577760300650766]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.891564770046628, 2.107714087731966, 2.2719927707626386, 2.263821675435067, 2.1157086069924183, 2.507141752803212, 2.747497757851471, 2.162664015037668, 1.888718718961627, 2.1262844831453864, 2.162739064354696, 2.7051432234003547, 2.2485558988839385]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2730733767641595, 2.786417355054482, 2.8187017210864838, 2.8563886592701238, 2.4918652498639062, 3.136011818646182, 3.260062386525533, 2.708383726958573, 1.888718718961627, 2.6654948645388004, 2.687026658167781, 3.2371925296912423, 2.7984066801366225]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5045610584899416, 1.6382089980747578, 1.7132141690450116, 1.677586359612791, 1.5265803382778371, 1.7765225287749764, 1.9217351154722864, 1.5208024284203632, 1.3130364464673603, 1.5265374541355925, 1.514471442847283, 1.8617192629541255, 1.5104577805118158]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7808212539320711, 2.113582841742182, 2.0273726012525373, 2.0585883906313494, 1.7614507150618293, 2.1154144629666107, 2.367822743377899, 1.8576520225810789, 1.3130364464673603, 1.9130504976022424, 1.9133733344160475, 2.226240450377822, 1.8625510044645743]}}