{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:20.206996", "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": "2021-Oct-31_to_2021-Nov-03_255.5_27.0"}, "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": 2021100002824}, "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 31 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 03 2021"}, "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": 71282.5069958513}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 27.0}, "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": 255.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "255.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 254.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 257.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-105.68, 28.32], [-106.03, 28.47], [-106.25, 29.0], [-106.03, 29.53], [-105.68, 29.68], [-105.53, 30.03], [-105.0, 30.25], [-104.47, 30.03], [-104.3, 29.63], [-104.0, 29.75], [-103.75, 29.65], [-103.5, 29.75], [-102.97, 29.53], [-102.82, 29.18], [-102.47, 29.03], [-102.25, 28.5], [-102.47, 27.97], [-102.82, 27.82], [-102.85, 27.75], [-102.75, 27.5], [-102.96, 27.0], [-102.75, 26.5], [-102.97, 25.97], [-103.32, 25.82], [-103.35, 25.75], [-103.32, 25.68], [-102.97, 25.53], [-102.75, 25.0], [-102.97, 24.47], [-103.5, 24.25], [-103.75, 24.35], [-104.0, 24.25], [-104.53, 24.47], [-104.75, 25.0], [-104.65, 25.25], [-104.68, 25.32], [-105.03, 25.47], [-105.25, 26.0], [-105.15, 26.25], [-105.25, 26.5], [-105.15, 26.75], [-105.25, 27.0], [-105.15, 27.25], [-105.18, 27.32], [-105.53, 27.47], [-105.75, 28.0], [-105.65, 28.25], [-105.68, 28.32]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.03, 28.47], [-106.25, 29.0], [-106.03, 29.53], [-105.68, 29.68], [-105.53, 30.03], [-105.0, 30.25], [-104.47, 30.03], [-104.30000000000001, 29.63], [-104.0, 29.75], [-103.75, 29.65], [-103.5, 29.75], [-102.97000000000003, 29.53], [-102.82, 29.18], [-102.47000000000003, 29.03], [-102.25, 28.5], [-102.47000000000003, 27.97], [-102.82, 27.82], [-102.85000000000002, 27.75], [-102.75, 27.5], [-102.97000000000003, 26.97], [-103.5, 26.75], [-103.80000000000001, 26.88], [-103.85000000000002, 26.75], [-103.75, 26.5], [-103.97000000000003, 25.97], [-104.5, 25.75], [-105.03, 25.97], [-105.25, 26.5], [-105.15, 26.75], [-105.25, 27.0], [-105.03999999999999, 27.5], [-105.18, 27.82], [-105.53, 27.97], [-105.68, 28.32], [-106.03, 28.47]]]]}, "2021-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.03, 28.47], [-106.25, 29.0], [-106.03, 29.53], [-105.68, 29.68], [-105.53, 30.03], [-105.0, 30.25], 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"value": 4.001659647169239}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.943707540394428, 22.287866525530774, 22.421894457178666, 22.625726167478263]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.192208126031403, 23.922562513629487, 24.23553399031522, 23.96369701645483]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9429237842412364, 3.9301485690188303, 4.159030557626813, 3.8977121320872223]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.986916704591522, 4.895405607389819, 4.900137785711024, 4.375658083200221]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2258158572291684, 1.2888386784390562, 1.3407369877209256, 1.3465349762681695]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4290940004080244, 1.5134667412680722, 1.4985647858223317, 1.4803683127094085]}}