{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:56.970937", "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-Sep-13_to_2017-Sep-18_270.5_14.5"}, "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": 2017090001819}, "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 13 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 18 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 202370.26978057614}, "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": ["Belize", "El Salvador", "Guatemala", "Honduras", "Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Caribbean Sea", "North 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": 14.5}, "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": 270.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "270.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 265.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 272.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.03, 14.47], [-92.25, 15.0], [-92.03, 15.53], [-91.5, 15.75], [-91.25, 15.65], [-91.0, 15.75], [-90.47, 15.53], [-90.3, 15.12], [-90.0, 15.25], [-89.75, 15.15], [-89.5, 15.25], [-89.25, 15.15], [-89.0, 15.25], [-88.47, 15.03], [-88.25, 14.5], [-88.47, 13.97], [-89.0, 13.75], [-89.25, 13.85], [-89.5, 13.75], [-89.75, 13.85], [-90.0, 13.75], [-90.53, 13.97], [-90.7, 14.38], [-91.0, 14.25], [-91.25, 14.35], [-91.5, 14.25], [-92.03, 14.47]]]]}, "2017-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.75, 15.0], [-92.53, 15.53], [-92.0, 15.75], [-91.75, 15.65], [-91.68, 15.68], [-91.53, 16.03], [-91.18, 16.18], [-91.03, 16.53], [-90.5, 16.75], [-90.25, 16.65], [-90.0, 16.75], [-89.75, 16.65], [-89.68, 16.68], [-89.53, 17.03], [-89.0, 17.25], [-88.75, 17.15], [-88.5, 17.25], [-87.97, 17.03], [-87.82, 16.68], [-87.75, 16.65], [-87.5, 16.75], [-86.97, 16.53], [-86.75, 16.0], [-86.85, 15.75], [-86.75, 15.5], [-86.85, 15.25], [-86.75, 15.0], [-86.85, 14.75], [-86.75, 14.5], [-86.97, 13.97], [-87.5, 13.75], [-88.03, 13.97], [-88.18, 14.32], [-88.25, 14.35], [-88.32, 14.32], [-88.47, 13.97], [-88.87, 13.8], [-88.75, 13.5], [-88.97, 12.97], [-89.5, 12.75], [-90.03, 12.97], [-90.18, 13.32], [-90.25, 13.35], [-90.5, 13.25], [-91.03, 13.47], [-91.18, 13.82], [-91.25, 13.85], [-91.5, 13.75], [-92.03, 13.97], [-92.18, 14.32], [-92.53, 14.47], [-92.75, 15.0]]]]}, "2017-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.03, 17.53], [-93.68, 17.68], [-93.65, 17.75], [-93.75, 18.0], [-93.53, 18.53], [-93.0, 18.75], [-92.75, 18.65], [-92.5, 18.75], [-91.97, 18.53], [-91.75, 18.0], [-91.97, 17.47], [-92.32, 17.32], [-92.47, 16.97], [-92.82, 16.82], [-92.85, 16.75], [-92.75, 16.5], [-92.87, 16.2], [-92.47, 16.03], [-92.3, 15.62], [-92.12, 15.7], [-92.25, 16.0], [-92.15, 16.25], [-92.25, 16.5], [-92.03, 17.03], [-91.5, 17.25], [-91.25, 17.15], [-91.0, 17.25], [-90.75, 17.15], [-90.5, 17.25], [-89.97, 17.03], [-89.82, 16.68], [-89.75, 16.65], [-89.68, 16.68], [-89.53, 17.03], [-89.18, 17.18], [-89.03, 17.53], [-88.5, 17.75], [-87.97, 17.53], [-87.75, 17.0], [-87.85, 16.75], [-87.82, 16.68], [-87.75, 16.65], [-87.5, 16.75], [-86.97, 16.53], [-86.75, 16.0], [-86.85, 15.75], [-86.75, 15.5], [-86.85, 15.25], [-86.75, 15.0], [-86.85, 14.75], [-86.75, 14.5], [-86.97, 13.97], [-87.5, 13.75], [-88.0, 13.96], [-88.32, 13.82], [-88.47, 13.47], [-88.82, 13.32], [-88.97, 12.97], [-89.5, 12.75], [-90.03, 12.97], [-90.18, 13.32], [-90.25, 13.35], [-90.5, 13.25], [-90.75, 13.35], [-91.0, 13.25], [-91.53, 13.47], [-91.68, 13.82], [-92.03, 13.97], [-92.18, 14.32], [-92.3, 14.38], [-92.47, 13.97], [-93.0, 13.75], [-93.53, 13.97], [-93.68, 14.32], [-94.03, 14.47], [-94.25, 15.0], [-94.03, 15.53], [-93.68, 15.68], [-93.62, 15.8], [-94.03, 15.97], [-94.25, 16.5], [-94.15, 16.75], [-94.25, 17.0], [-94.03, 17.53]]]]}, "2017-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.68, 17.68], [-93.65, 17.75], [-93.75, 18.0], [-93.53, 18.53], [-93.0, 18.75], [-92.75, 18.65], [-92.5, 18.75], [-91.97, 18.53], [-91.75, 18.0], [-91.85, 17.75], [-91.82, 17.68], [-91.75, 17.65], [-91.5, 17.75], [-91.0, 17.54], [-90.5, 17.75], [-89.97, 17.53], [-89.75, 17.0], [-89.85, 16.75], [-89.82, 16.68], [-89.75, 16.65], [-89.68, 16.68], [-89.53, 17.03], [-89.18, 17.18], [-89.03, 17.53], [-88.5, 17.75], [-87.97, 17.53], [-87.75, 17.0], [-87.85, 16.75], [-87.82, 16.68], [-87.75, 16.65], [-87.5, 16.75], [-86.97, 16.53], [-86.75, 16.0], [-86.85, 15.75], [-86.75, 15.5], [-86.85, 15.25], [-86.75, 15.0], [-86.85, 14.75], [-86.75, 14.5], [-86.97, 13.97], [-87.5, 13.75], [-88.0, 13.96], [-88.32, 13.82], [-88.47, 13.47], [-88.82, 13.32], [-88.97, 12.97], [-89.5, 12.75], [-90.03, 12.97], [-90.18, 13.32], [-90.25, 13.35], [-90.5, 13.25], [-90.75, 13.35], [-91.0, 13.25], [-91.53, 13.47], [-91.68, 13.82], [-92.03, 13.97], [-92.18, 14.32], [-92.3, 14.38], [-92.47, 13.97], [-93.0, 13.75], [-93.53, 13.97], [-93.68, 14.32], [-94.03, 14.47], [-94.25, 15.0], [-94.03, 15.53], [-93.68, 15.68], [-93.65, 15.75], [-93.68, 15.82], [-93.75, 15.85], [-94.0, 15.75], [-94.53, 15.97], [-94.75, 16.5], [-94.53, 17.03], [-94.18, 17.18], [-94.03, 17.53], [-93.68, 17.68]]]]}, "2017-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.68, 17.68], [-93.65, 17.75], [-93.75, 18.0], [-93.53, 18.53], [-93.0, 18.75], [-92.75, 18.65], [-92.5, 18.75], [-91.97, 18.53], [-91.75, 18.0], [-91.85, 17.75], [-91.82, 17.68], [-91.75, 17.65], [-91.5, 17.75], [-91.0, 17.54], [-90.5, 17.75], [-89.97, 17.53], [-89.75, 17.0], [-89.85, 16.75], [-89.8, 16.62], [-89.68, 16.68], [-89.53, 17.03], [-89.18, 17.18], [-89.03, 17.53], [-88.5, 17.75], [-87.97, 17.53], [-87.75, 17.0], [-87.85, 16.75], [-87.75, 16.5], [-87.97, 15.97], [-88.32, 15.82], [-88.47, 15.47], [-88.82, 15.32], [-88.87, 15.2], [-88.75, 15.15], [-88.5, 15.25], [-87.97, 15.03], [-87.75, 14.5], [-87.97, 13.97], [-88.32, 13.82], [-88.47, 13.47], [-89.0, 13.25], [-89.25, 13.35], [-89.5, 13.25], [-89.75, 13.35], [-90.0, 13.25], [-90.25, 13.35], [-90.5, 13.25], [-90.75, 13.35], [-91.0, 13.25], [-91.53, 13.47], [-91.68, 13.82], [-92.03, 13.97], [-92.18, 14.32], [-92.3, 14.38], [-92.47, 13.97], [-93.0, 13.75], [-93.53, 13.97], [-93.68, 14.32], [-94.03, 14.47], [-94.25, 15.0], [-94.03, 15.53], [-93.68, 15.68], [-93.65, 15.75], [-93.68, 15.82], [-93.75, 15.85], [-94.0, 15.75], [-94.53, 15.97], [-94.75, 16.5], [-94.53, 17.03], [-94.18, 17.18], [-94.03, 17.53], [-93.68, 17.68]]]]}, "2017-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.53, 15.97], [-94.75, 16.5], [-94.53, 17.03], [-94.0, 17.25], [-93.75, 17.15], [-93.68, 17.18], [-93.53, 17.53], [-93.18, 17.68], [-93.03, 18.03], [-92.5, 18.25], [-91.97, 18.03], [-91.82, 17.68], [-91.75, 17.65], [-91.5, 17.75], [-91.0, 17.54], [-90.5, 17.75], [-89.97, 17.53], [-89.75, 17.0], [-89.97, 16.47], [-90.32, 16.32], [-90.35, 16.25], [-90.25, 16.0], [-90.35, 15.75], [-90.25, 15.5], [-90.35, 15.25], [-90.25, 15.0], [-90.35, 14.75], [-90.32, 14.68], [-89.97, 14.53], [-89.75, 14.0], [-89.97, 13.47], [-90.5, 13.25], [-91.03, 13.47], [-91.18, 13.82], [-91.53, 13.97], [-91.68, 14.32], [-91.75, 14.35], [-92.0, 14.25], [-92.53, 14.47], [-92.68, 14.82], [-93.03, 14.97], [-93.18, 15.32], [-93.53, 15.47], [-93.68, 15.82], [-93.75, 15.85], [-94.0, 15.75], [-94.53, 15.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7145648881538023}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.648582391495763}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.30895127061325, 24.873846756250828, 25.679635982834327, 25.238208133494027, 24.668825633177562, 22.783923612046863]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.923535501006484, 28.76964850551525, 29.41766867752966, 30.274326818272698, 30.16008421822636, 27.833440079711693]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1941169596020245, 1.4496955292672007, 1.7402484515917156, 1.7998657420863438, 1.6505799467154754, 1.4041129623062807]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.466945897862388, 2.231374096049592, 2.6581012905829198, 2.7145648881538023, 2.429108518833914, 1.9182997693942525]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.620587791156679, 1.6462925285066292, 1.9267022219591285, 2.0113819673215723, 1.865738307853489, 1.6782366661434613]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.883151307731814, 2.7944971361168114, 2.926459228615607, 3.00357589697377, 2.6516117795332312, 2.1724019834020383]}}