{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:27.398430", "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": "2015-Feb-28_to_2015-Mar-04_270.5_13.5"}, "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": 2015020002516}, "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": "February 28 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 63216.86917775542}, "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": ["El Salvador", "Guatemala", "Honduras", "Nicaragua"]}, "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": ["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": 13.5}, "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": 268.25}, "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": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-88.97, 14.03], [-88.75, 13.5], [-88.97, 12.97], [-89.5, 12.75], [-90.03, 12.97], [-90.18, 13.32], [-90.53, 13.47], [-90.75, 14.0]]]]}, "2015-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.03, 12.47], [-92.25, 13.0], [-92.03, 13.53], [-91.5, 13.75], [-91.25, 13.65], [-91.18, 13.68], [-91.03, 14.03], [-90.68, 14.18], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.85, 13.25], [-86.75, 13.0], [-86.97, 12.47], [-87.5, 12.25], [-87.75, 12.35], [-87.82, 12.32], [-87.97, 11.97], [-88.5, 11.75], [-88.75, 11.85], [-89.0, 11.75], [-89.25, 11.85], [-89.5, 11.75], [-89.75, 11.85], [-90.0, 11.75], [-90.53, 11.97], [-90.68, 12.32], [-90.75, 12.35], [-91.0, 12.25], [-91.25, 12.35], [-91.5, 12.25], [-92.03, 12.47]]]]}, "2015-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.03, 12.47], [-92.25, 13.0], [-92.03, 13.53], [-91.5, 13.75], [-91.25, 13.65], [-91.18, 13.68], [-91.03, 14.03], [-90.68, 14.18], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.85, 13.25], [-86.75, 13.0], [-86.97, 12.47], [-87.5, 12.25], [-87.75, 12.35], [-87.82, 12.32], [-87.97, 11.97], [-88.5, 11.75], [-88.75, 11.85], [-89.0, 11.75], [-89.25, 11.85], [-89.5, 11.75], [-89.75, 11.85], [-90.0, 11.75], [-90.53, 11.97], [-90.68, 12.32], [-90.75, 12.35], [-91.0, 12.25], [-91.25, 12.35], [-91.5, 12.25], [-92.03, 12.47]]]]}, "2015-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.03, 12.47], [-92.25, 13.0], [-92.03, 13.53], [-91.5, 13.75], [-91.25, 13.65], [-91.18, 13.68], [-91.03, 14.03], [-90.68, 14.18], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.85, 13.25], [-86.75, 13.0], [-86.97, 12.47], [-87.5, 12.25], [-87.75, 12.35], [-87.82, 12.32], [-87.97, 11.97], [-88.5, 11.75], [-88.75, 11.85], [-89.0, 11.75], [-89.25, 11.85], [-89.5, 11.75], [-89.75, 11.85], [-90.0, 11.75], [-90.53, 11.97], [-90.68, 12.32], [-90.75, 12.35], [-91.0, 12.25], [-91.25, 12.35], [-91.5, 12.25], [-92.03, 12.47]]]]}, "2015-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.25, 13.5], [-91.03, 14.03], [-90.5, 14.25], [-90.25, 14.15], [-90.0, 14.25], [-89.75, 14.15], [-89.5, 14.25], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.47, 14.03], [-87.25, 13.5], [-87.47, 12.97], [-87.82, 12.82], [-87.97, 12.47], [-88.5, 12.25], [-88.75, 12.35], [-89.0, 12.25], [-89.25, 12.35], [-89.5, 12.25], [-89.75, 12.35], [-90.0, 12.25], [-90.53, 12.47], [-90.68, 12.82], [-91.03, 12.97], [-91.25, 13.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3385463645694813}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3164006524196807}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.717451493528188, 28.59872655709762, 28.887156644645017, 28.82180615072963, 28.75819383788604]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.225443881479407, 31.03195630329202, 31.045232398197243, 30.684987800488386, 30.530000580190517]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2788970057589495, 1.2039797220139419, 1.4415549953354256, 1.3389259181400728, 1.2498581574679917]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.56416969266661, 2.3195425111115355, 2.3385463645694813, 2.2146449806688224, 1.928242741469603]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5092298607751915, 1.7055562639539683, 1.9621604963038384, 1.7469823365499875, 1.5177612756783865]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5821207708308724, 2.3823774844667223, 2.410851812499967, 2.3430290674796717, 1.689135177864158]}}