{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:30.970535", "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": "2024-Mar-31_to_2024-Apr-03_260.5_21.5"}, "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": 2024030002068}, "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 31 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 03 2024"}, "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": 71489.97871750126}, "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": ["Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": []}, "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": 21.5}, "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": 260.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "260.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 258.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 261.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.65, 22.75], [-101.75, 23.0], [-101.53, 23.53], [-101.18, 23.68], [-101.03, 24.03], [-100.5, 24.25], [-100.25, 24.15], [-100.0, 24.25], [-99.75, 24.15], [-99.5, 24.25], [-99.25, 24.15], [-99.0, 24.25], [-98.75, 24.15], [-98.5, 24.25], [-97.97, 24.03], [-97.75, 23.5], [-97.97, 22.97], [-98.37, 22.8], [-98.32, 22.68], [-97.97, 22.53], [-97.75, 22.0], [-97.85, 21.75], [-97.75, 21.5], [-97.97, 20.97], [-98.5, 20.75], [-98.8, 20.88], [-98.97, 20.47], [-99.5, 20.25], [-99.75, 20.35], [-100.0, 20.25], [-100.53, 20.47], [-100.68, 20.82], [-101.03, 20.97], [-101.18, 21.32], [-101.53, 21.47], [-101.75, 22.0], [-101.65, 22.25], [-101.75, 22.5], [-101.65, 22.75]]]]}, "2024-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.65, 22.75], [-101.75, 23.0], [-101.53, 23.53], [-101.18, 23.68], [-101.03, 24.03], [-100.5, 24.25], [-100.25, 24.15], [-100.0, 24.25], [-99.75, 24.15], [-99.5, 24.25], [-99.25, 24.15], [-99.0, 24.25], [-98.75, 24.15], [-98.5, 24.25], [-97.97, 24.03], [-97.75, 23.5], [-97.97, 22.97], [-98.37, 22.8], [-98.32, 22.68], [-97.97, 22.53], [-97.75, 22.0], [-97.85, 21.75], [-97.75, 21.5], [-97.97, 20.97], [-98.5, 20.75], [-98.8, 20.88], [-98.97, 20.47], [-99.5, 20.25], [-99.75, 20.35], [-100.0, 20.25], [-100.25, 20.35], [-100.5, 20.25], [-101.03, 20.47], [-101.25, 21.0], [-101.15, 21.25], [-101.18, 21.32], [-101.53, 21.47], [-101.75, 22.0], [-101.65, 22.25], [-101.75, 22.5], [-101.65, 22.75]]]]}, "2024-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.65, 22.75], [-101.75, 23.0], [-101.53, 23.53], [-101.18, 23.68], [-101.03, 24.03], [-100.5, 24.25], [-100.25, 24.15], [-100.0, 24.25], [-99.75, 24.15], [-99.5, 24.25], [-99.25, 24.15], [-99.0, 24.25], [-98.75, 24.15], [-98.5, 24.25], [-97.97, 24.03], [-97.75, 23.5], [-97.97, 22.97], [-98.37, 22.8], [-98.32, 22.68], [-97.97, 22.53], [-97.75, 22.0], [-97.85, 21.75], [-97.75, 21.5], [-97.97, 20.97], [-98.5, 20.75], [-98.8, 20.88], [-98.97, 20.47], [-99.5, 20.25], [-99.75, 20.35], [-100.0, 20.25], [-100.25, 20.35], [-100.5, 20.25], [-101.03, 20.47], [-101.25, 21.0], [-101.15, 21.25], [-101.18, 21.32], [-101.53, 21.47], [-101.75, 22.0], [-101.65, 22.25], [-101.75, 22.5], [-101.65, 22.75]]]]}, "2024-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-100.5, 21.75], [-99.97, 21.53], [-99.75, 21.0], [-99.97, 20.47], [-100.5, 20.25], [-101.03, 20.47], [-101.25, 21.0], [-101.03, 21.53], [-100.5, 21.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.739814538476139}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.607676613168539}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.590823245230297, 25.44230324529957, 26.816310097047904, 22.002711892588934]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.300111316765935, 30.565857276522422, 33.287298728252836, 22.002711892588934]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5875381435533313, 4.479867059823409, 5.793001952819004, 2.653105226300113]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.9709132575594595, 5.88289658207691, 7.739814538476139, 2.653105226300113]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3049501925894247, 1.6352680711640175, 2.118577035686974, 1.224371735231678]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7215600493588141, 2.124939481984496, 2.8408124251296027, 1.224371735231678]}}