{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:27.498835", "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": "2019-Mar-25_to_2019-Mar-28_283.5_3.5"}, "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": 2019030002461}, "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": "March 25 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 28 2019"}, "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": 61783.31399489747}, "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": ["Colombia", "Ecuador"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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": 3.5}, "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": 283.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 281.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 284.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.03, 1.03], [-78.5, 1.25], [-78.25, 1.15], [-78.0, 1.25], [-77.7, 1.12], [-77.53, 1.53], [-77.0, 1.75], [-76.47, 1.53], [-76.25, 1.0], [-76.47, 0.47], [-77.0, 0.25], [-77.3, 0.38], [-77.35, 0.25], [-77.25, 0.0], [-77.35, -0.25], [-77.25, -0.5], [-77.47, -1.03], [-78.0, -1.25], [-78.53, -1.03], [-78.75, -0.5], [-78.65, -0.25], [-78.68, -0.18], [-79.03, -0.03], [-79.25, 0.5], [-79.03, 1.03]]], [[[-77.03, 2.97], [-77.25, 3.5], [-77.03, 4.03], [-76.5, 4.25], [-75.97, 4.03], [-75.75, 3.5], [-75.97, 2.97], [-76.5, 2.75], [-77.03, 2.97]]]]}, "2019-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.03, 1.03], [-78.68, 1.18], [-78.65, 1.25], [-78.75, 1.5], [-78.53, 2.03], [-78.18, 2.18], [-78.03, 2.53], [-77.68, 2.68], [-77.53, 3.03], [-77.18, 3.18], [-77.15, 3.25], [-77.25, 3.5], [-77.03, 4.03], [-76.68, 4.18], [-76.53, 4.53], [-76.0, 4.75], [-75.47, 4.53], [-75.25, 4.0], [-75.46, 3.5], [-75.25, 3.0], [-75.47, 2.47], [-75.82, 2.32], [-75.85, 2.25], [-75.75, 2.0], [-75.97, 1.47], [-76.32, 1.32], [-76.35, 1.25], [-76.25, 1.0], [-76.47, 0.47], [-77.0, 0.25], [-77.25, 0.35], [-77.32, 0.32], [-77.35, 0.25], [-77.25, 0.0], [-77.35, -0.25], [-77.25, -0.5], [-77.47, -1.03], [-78.0, -1.25], [-78.53, -1.03], [-78.68, -0.68], [-79.03, -0.53], [-79.25, 0.0], [-79.15, 0.25], [-79.25, 0.5], [-79.03, 1.03]]]]}, "2019-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.03, 1.03], [-78.68, 1.18], [-78.65, 1.25], [-78.75, 1.5], [-78.53, 2.03], [-78.18, 2.18], [-78.03, 2.53], [-77.68, 2.68], [-77.53, 3.03], [-77.18, 3.18], [-77.15, 3.25], [-77.25, 3.5], [-77.03, 4.03], [-76.68, 4.18], [-76.53, 4.53], [-76.0, 4.75], [-75.47, 4.53], [-75.25, 4.0], [-75.46, 3.5], [-75.25, 3.0], [-75.47, 2.47], [-75.82, 2.32], [-75.85, 2.25], [-75.75, 2.0], [-75.97, 1.47], [-76.32, 1.32], [-76.35, 1.25], [-76.25, 1.0], [-76.47, 0.47], [-77.0, 0.25], [-77.25, 0.35], [-77.32, 0.32], [-77.35, 0.25], [-77.25, 0.0], [-77.35, -0.25], [-77.25, -0.5], [-77.47, -1.03], [-78.0, -1.25], [-78.53, -1.03], [-78.68, -0.68], [-79.03, -0.53], [-79.25, 0.0], [-79.15, 0.25], [-79.25, 0.5], [-79.03, 1.03]]]]}, "2019-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.03, 1.03], [-78.68, 1.18], [-78.65, 1.25], [-78.75, 1.5], [-78.53, 2.03], [-78.18, 2.18], [-78.03, 2.53], [-77.68, 2.68], [-77.53, 3.03], [-77.18, 3.18], [-77.15, 3.25], [-77.25, 3.5], [-77.03, 4.03], [-76.68, 4.18], [-76.53, 4.53], [-76.0, 4.75], [-75.47, 4.53], [-75.25, 4.0], [-75.46, 3.5], [-75.25, 3.0], [-75.47, 2.47], [-75.82, 2.32], [-75.85, 2.25], [-75.75, 2.0], [-75.97, 1.47], [-76.32, 1.32], [-76.35, 1.25], [-76.25, 1.0], [-76.47, 0.47], [-77.0, 0.25], [-77.25, 0.35], [-77.32, 0.32], [-77.35, 0.25], [-77.25, 0.0], [-77.35, -0.25], [-77.25, -0.5], [-77.47, -1.03], [-78.0, -1.25], [-78.53, -1.03], [-78.68, -0.68], [-79.03, -0.53], [-79.25, 0.0], [-79.15, 0.25], [-79.25, 0.5], [-79.03, 1.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.219543723516722}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.487633688998133}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.783234496855414, 17.433436349701708, 17.52431512486322, 17.54301810859863]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.142834608845078, 24.169415554905584, 24.038971901635534, 23.93860149479292]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1723238138498384, 1.4831634986219797, 1.5349686538359493, 1.539361877080958]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3327065476667599, 1.8743918931487542, 1.9900020568485388, 2.219543723516722]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4476796317954574, 1.784561060882791, 1.854122232265139, 1.8591034992613467]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6221572650953349, 2.223973816465299, 2.4007299970387734, 2.48960311741878]}}