{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:13.835140", "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": "2018-Feb-04_to_2018-Feb-07_260.0_23.5"}, "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": 2018020001428}, "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 04 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 2018"}, "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": 51490.358922216765}, "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": 23.5}, "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": 260.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "260.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 259.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 262.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "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": {"2018-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.25, 22.5], [-101.03, 23.03], [-100.68, 23.18], [-100.65, 23.25], [-100.75, 23.5], [-100.53, 24.03], [-100.0, 24.25], [-99.5, 24.04], [-99.0, 24.25], [-98.47, 24.03], [-98.25, 23.5], [-98.47, 22.97], [-98.82, 22.82], [-98.85, 22.75], [-98.75, 22.5], [-98.97, 21.97], [-99.32, 21.82], [-99.47, 21.47], [-100.0, 21.25], [-100.53, 21.47], [-100.68, 21.82], [-101.03, 21.97], [-101.25, 22.5]]]]}, "2018-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.25, 22.5], [-101.03, 23.03], [-100.68, 23.18], [-100.65, 23.25], [-100.75, 23.5], [-100.53, 24.03], [-100.0, 24.25], [-99.5, 24.04], [-99.0, 24.25], [-98.47, 24.03], [-98.32, 23.68], [-97.97, 23.53], [-97.75, 23.0], [-97.85, 22.75], [-97.75, 22.5], [-97.85, 22.25], [-97.75, 22.0], [-97.85, 21.75], [-97.82, 21.68], [-97.47, 21.53], [-97.25, 21.0], [-97.35, 20.75], [-97.25, 20.5], [-97.47, 19.97], [-98.0, 19.75], [-98.53, 19.97], [-98.68, 20.32], [-98.75, 20.35], [-99.0, 20.25], [-99.53, 20.47], [-99.75, 21.0], [-99.57, 21.43], [-100.0, 21.25], [-100.53, 21.47], [-100.68, 21.82], [-101.03, 21.97], [-101.25, 22.5]], [[-99.18, 21.68], [-99.15, 21.75], [-99.18, 21.82], [-99.25, 21.85], [-99.32, 21.82], [-99.43, 21.57], [-99.18, 21.68]]]]}, "2018-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.25, 22.5], [-101.03, 23.03], [-100.68, 23.18], [-100.65, 23.25], [-100.75, 23.5], [-100.53, 24.03], [-100.0, 24.25], [-99.5, 24.04], [-99.0, 24.25], [-98.47, 24.03], [-98.32, 23.68], [-97.97, 23.53], [-97.75, 23.0], [-97.85, 22.75], [-97.75, 22.5], [-97.85, 22.25], [-97.75, 22.0], [-97.85, 21.75], [-97.82, 21.68], [-97.47, 21.53], [-97.25, 21.0], [-97.35, 20.75], [-97.25, 20.5], [-97.47, 19.97], [-98.0, 19.75], [-98.53, 19.97], [-98.68, 20.32], [-98.75, 20.35], [-99.0, 20.25], [-99.53, 20.47], [-99.75, 21.0], [-99.57, 21.43], [-100.0, 21.25], [-100.53, 21.47], [-100.68, 21.82], [-101.03, 21.97], [-101.25, 22.5]], [[-99.18, 21.68], [-99.15, 21.75], [-99.18, 21.82], [-99.25, 21.85], [-99.32, 21.82], [-99.43, 21.57], [-99.18, 21.68]]]]}, "2018-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-100.53, 22.97], [-100.75, 23.5], [-100.53, 24.03], [-100.0, 24.25], [-99.47, 24.03], [-99.3, 23.62], [-99.0, 23.75], [-98.75, 23.65], [-98.5, 23.75], [-97.97, 23.53], [-97.75, 23.0], [-97.85, 22.75], [-97.75, 22.5], [-97.85, 22.25], [-97.75, 22.0], [-97.85, 21.75], [-97.82, 21.68], [-97.47, 21.53], [-97.25, 21.0], [-97.35, 20.75], [-97.25, 20.5], [-97.47, 19.97], [-98.0, 19.75], [-98.53, 19.97], [-98.68, 20.32], [-98.75, 20.35], [-99.0, 20.25], [-99.53, 20.47], [-99.75, 21.0], [-99.53, 21.53], [-99.18, 21.68], [-99.15, 21.75], [-99.18, 21.82], [-99.53, 21.97], [-99.75, 22.5], [-99.65, 22.75], [-99.7, 22.88], [-100.0, 22.75], [-100.53, 22.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.142936399934797}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.585944990268449}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.21268021005585, 21.38602468415064, 21.60805267470704, 22.216902365104204]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.485083778074852, 24.648316135732216, 25.291849782411532, 24.817326990972845]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.514795635547891, 4.687159490714951, 4.793287646110621, 4.132778265229206]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.29341479569365, 7.142936399934797, 6.234048720245596, 4.53479616642926]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4167860004529738, 1.4611010481221927, 1.5143553019722862, 1.396445806632233]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6879243772644827, 1.8034685527773875, 1.637146699798832, 1.4799857305811157]}}