{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:38.003258", "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": "2012-Oct-01_to_2012-Oct-04_274.0_9.0"}, "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": 2012100001384}, "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": "October 01 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 04 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 85515.95415545603}, "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": ["Costa Rica"]}, "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": 9.0}, "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": 274.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "274.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 273.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 277.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.25, 9.5], [-85.03, 10.03], [-84.5, 10.25], [-84.25, 10.15], [-84.0, 10.25], [-83.47, 10.03], [-83.25, 9.5], [-83.35, 9.25], [-83.25, 9.0], [-83.35, 8.75], [-83.25, 8.5], [-83.47, 7.97], [-84.0, 7.75], [-84.53, 7.97], [-84.75, 8.5], [-84.65, 8.75], [-84.68, 8.82], [-85.03, 8.97], [-85.25, 9.5]]]]}, "2012-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.15, 9.75], [-87.25, 10.0], [-87.03, 10.53], [-86.5, 10.75], [-86.25, 10.65], [-86.0, 10.75], [-85.5, 10.54], [-85.0, 10.75], [-84.47, 10.53], [-84.32, 10.18], [-84.25, 10.15], [-84.0, 10.25], [-83.47, 10.03], [-83.25, 9.5], [-83.35, 9.25], [-83.32, 9.18], [-82.97, 9.03], [-82.82, 8.68], [-82.47, 8.53], [-82.25, 8.0], [-82.35, 7.75], [-82.25, 7.5], [-82.47, 6.97], [-83.0, 6.75], [-83.53, 6.97], [-83.68, 7.32], [-83.75, 7.35], [-84.0, 7.25], [-84.25, 7.35], [-84.5, 7.25], [-84.75, 7.35], [-85.0, 7.25], [-85.25, 7.35], [-85.5, 7.25], [-86.03, 7.47], [-86.18, 7.82], [-86.53, 7.97], [-86.68, 8.32], [-87.03, 8.47], [-87.25, 9.0], [-87.15, 9.25], [-87.25, 9.5], [-87.15, 9.75]]]]}, "2012-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.15, 9.75], [-87.25, 10.0], [-87.03, 10.53], [-86.5, 10.75], [-86.25, 10.65], [-86.0, 10.75], [-85.5, 10.54], [-85.0, 10.75], [-84.47, 10.53], [-84.32, 10.18], [-84.25, 10.15], [-84.0, 10.25], [-83.47, 10.03], [-83.25, 9.5], [-83.35, 9.25], [-83.32, 9.18], [-82.97, 9.03], [-82.82, 8.68], [-82.47, 8.53], [-82.25, 8.0], [-82.35, 7.75], [-82.25, 7.5], [-82.47, 6.97], [-83.0, 6.75], [-83.53, 6.97], [-83.68, 7.32], [-83.75, 7.35], [-84.0, 7.25], [-84.25, 7.35], [-84.5, 7.25], [-84.75, 7.35], [-85.0, 7.25], [-85.25, 7.35], [-85.5, 7.25], [-86.03, 7.47], [-86.18, 7.82], [-86.53, 7.97], [-86.68, 8.32], [-87.03, 8.47], [-87.25, 9.0], [-87.15, 9.25], [-87.25, 9.5], [-87.15, 9.75]]]]}, "2012-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.15, 9.75], [-87.25, 10.0], [-87.03, 10.53], [-86.5, 10.75], [-86.25, 10.65], [-86.0, 10.75], [-85.5, 10.54], [-85.0, 10.75], [-84.47, 10.53], [-84.32, 10.18], [-84.25, 10.15], [-84.0, 10.25], [-83.47, 10.03], [-83.25, 9.5], [-83.35, 9.25], [-83.32, 9.18], [-82.97, 9.03], [-82.82, 8.68], [-82.47, 8.53], [-82.25, 8.0], [-82.35, 7.75], [-82.25, 7.5], [-82.47, 6.97], [-83.0, 6.75], [-83.53, 6.97], [-83.68, 7.32], [-83.75, 7.35], [-84.0, 7.25], [-84.25, 7.35], [-84.5, 7.25], [-84.75, 7.35], [-85.0, 7.25], [-85.25, 7.35], [-85.5, 7.25], [-86.03, 7.47], [-86.18, 7.82], [-86.53, 7.97], [-86.68, 8.32], [-87.03, 8.47], [-87.25, 9.0], [-87.15, 9.25], [-87.25, 9.5], [-87.15, 9.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.80878033052727}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1083274127346456}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.45330224014981, 26.92925083359404, 27.174042587409815, 26.945727402181774]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.811164413628433, 27.750860661736965, 28.170450037494504, 28.086794953183755]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7693392770597995, 1.031055887924751, 1.2809220502352596, 1.0614311765689044]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8158231985707971, 1.4962604934144679, 1.80878033052727, 1.623503013250513]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.413728920207201, 1.8134849566855595, 2.264906896190459, 1.9147181806449136]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4642246713088978, 2.598968074055235, 3.0649807536049045, 2.3429931745869688]}}