{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:15.898851", "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-Jul-05_to_2018-Jul-08_249.5_30.0"}, "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": 2018070001827}, "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": "July 05 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 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": 99905.35954299808}, "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": ["Gulf of California"]}, "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": 30.0}, "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": 249.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "249.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 247.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 250.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.65, 29.75], [-112.75, 30.0], [-112.53, 30.53], [-112.12, 30.7], [-112.25, 31.0], [-112.03, 31.53], [-111.5, 31.75], [-111.25, 31.65], [-111.0, 31.75], [-110.75, 31.65], [-110.5, 31.75], [-109.97, 31.53], [-109.82, 31.18], [-109.47, 31.03], [-109.32, 30.68], [-108.97, 30.53], [-108.75, 30.0], [-108.96, 29.5], [-108.75, 29.0], [-108.97, 28.47], [-109.32, 28.32], [-109.35, 28.25], [-109.25, 28.0], [-109.35, 27.75], [-109.32, 27.68], [-108.97, 27.53], [-108.75, 27.0], [-108.97, 26.47], [-109.5, 26.25], [-109.75, 26.35], [-110.0, 26.25], [-110.25, 26.35], [-110.5, 26.25], [-111.03, 26.47], [-111.18, 26.82], [-111.53, 26.97], [-111.75, 27.5], [-111.65, 27.75], [-111.68, 27.82], [-112.03, 27.97], [-112.18, 28.32], [-112.53, 28.47], [-112.75, 29.0], [-112.65, 29.25], [-112.75, 29.5], [-112.65, 29.75]]]]}, "2018-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.65, 29.75], [-112.75, 30.0], [-112.53, 30.53], [-112.12, 30.7], [-112.25, 31.0], [-112.03, 31.53], [-111.5, 31.75], [-111.25, 31.65], [-111.0, 31.75], [-110.75, 31.65], [-110.5, 31.75], [-109.97, 31.53], [-109.82, 31.18], [-109.47, 31.03], [-109.32, 30.68], [-108.97, 30.53], [-108.75, 30.0], [-108.85, 29.75], [-108.75, 29.5], [-108.85, 29.25], [-108.75, 29.0], [-108.97, 28.47], [-109.32, 28.32], [-109.35, 28.25], [-109.25, 28.0], [-109.35, 27.75], [-109.32, 27.68], [-108.97, 27.53], [-108.75, 27.0], [-108.97, 26.47], [-109.5, 26.25], [-109.75, 26.35], [-110.0, 26.25], [-110.25, 26.35], [-110.5, 26.25], [-111.03, 26.47], [-111.18, 26.82], [-111.53, 26.97], [-111.75, 27.5], [-111.65, 27.75], [-111.68, 27.82], [-112.03, 27.97], [-112.18, 28.32], [-112.53, 28.47], [-112.75, 29.0], [-112.65, 29.25], [-112.75, 29.5], [-112.65, 29.75]]]]}, "2018-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.65, 29.75], [-112.75, 30.0], [-112.53, 30.53], [-112.12, 30.7], [-112.25, 31.0], [-112.03, 31.53], [-111.5, 31.75], [-111.25, 31.65], [-111.0, 31.75], [-110.75, 31.65], [-110.5, 31.75], [-109.97, 31.53], [-109.82, 31.18], [-109.47, 31.03], [-109.32, 30.68], [-108.97, 30.53], [-108.75, 30.0], [-108.85, 29.75], [-108.75, 29.5], [-108.85, 29.25], [-108.75, 29.0], [-108.97, 28.47], [-109.32, 28.32], [-109.35, 28.25], [-109.25, 28.0], [-109.35, 27.75], [-109.32, 27.68], [-108.97, 27.53], [-108.75, 27.0], [-108.97, 26.47], [-109.5, 26.25], [-109.75, 26.35], [-110.0, 26.25], [-110.25, 26.35], [-110.5, 26.25], [-111.03, 26.47], [-111.18, 26.82], [-111.53, 26.97], [-111.75, 27.5], [-111.65, 27.75], [-111.68, 27.82], [-112.03, 27.97], [-112.18, 28.32], [-112.53, 28.47], [-112.75, 29.0], [-112.65, 29.25], [-112.75, 29.5], [-112.65, 29.75]]]]}, "2018-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-111.03, 29.47], [-111.25, 30.0], [-111.03, 30.53], [-110.5, 30.75], [-110.0, 30.54], [-109.5, 30.75], [-108.97, 30.53], [-108.75, 30.0], [-108.85, 29.75], [-108.75, 29.5], [-108.85, 29.25], [-108.75, 29.0], [-108.97, 28.47], [-109.5, 28.25], [-110.03, 28.47], [-110.25, 29.0], [-110.15, 29.25], [-110.2, 29.38], [-110.5, 29.25], [-111.03, 29.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.185419631234367}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6081443303557252}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.98412313366913, 34.29406608017621, 33.47456795638118, 31.667415702750418]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.26612233640168, 37.73737905471461, 36.55110710017965, 32.268932361556324]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.901287783989605, 4.35573376249902, 3.583806940582415, 3.279771855728441]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", 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