{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:05.929520", "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": "2013-Jul-29_to_2013-Aug-03_260.0_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": 2013070003138}, "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 29 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 53577.76492651019}, "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", "United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-America", "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": 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": 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": 256.75}, "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": 28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.03, 30.03], [-100.68, 30.18], [-100.53, 30.53], [-100.0, 30.75], [-99.47, 30.53], [-99.25, 30.0], [-99.35, 29.75], [-99.25, 29.5], [-99.47, 28.97], [-99.82, 28.82], [-99.97, 28.47], [-100.5, 28.25], [-101.03, 28.47], [-101.25, 29.0], [-101.15, 29.25], [-101.25, 29.5], [-101.03, 30.03]]]]}, "2013-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.75, 29.5], [-101.53, 30.03], [-101.0, 30.25], [-100.75, 30.15], [-100.68, 30.18], [-100.53, 30.53], [-100.0, 30.75], [-99.47, 30.53], [-99.25, 30.0], [-99.35, 29.75], [-99.25, 29.5], [-99.47, 28.97], [-99.82, 28.82], [-99.97, 28.47], [-100.5, 28.25], [-101.03, 28.47], [-101.18, 28.82], [-101.53, 28.97], [-101.75, 29.5]]]]}, "2013-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.03, 29.47], [-103.25, 30.0], [-103.03, 30.53], [-102.5, 30.75], [-102.25, 30.65], [-102.0, 30.75], [-101.5, 30.54], [-101.18, 30.68], [-101.03, 31.03], [-100.5, 31.25], [-100.25, 31.15], [-100.0, 31.25], [-99.75, 31.15], [-99.5, 31.25], [-98.97, 31.03], [-98.75, 30.5], [-98.85, 30.25], [-98.75, 30.0], [-98.97, 29.47], [-99.32, 29.32], [-99.47, 28.97], [-99.82, 28.82], [-99.97, 28.47], [-100.5, 28.25], [-101.03, 28.47], [-101.18, 28.82], [-101.25, 28.85], [-101.5, 28.75], [-102.03, 28.97], [-102.18, 29.32], [-102.25, 29.35], [-102.5, 29.25], [-103.03, 29.47]]]]}, "2013-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.53, 29.47], [-103.75, 30.0], [-103.53, 30.53], [-103.0, 30.75], [-102.75, 30.65], [-102.5, 30.75], [-102.25, 30.65], [-102.0, 30.75], [-101.75, 30.65], [-101.5, 30.75], [-101.25, 30.65], [-101.18, 30.68], [-101.03, 31.03], [-100.5, 31.25], [-100.25, 31.15], [-100.0, 31.25], [-99.75, 31.15], [-99.5, 31.25], [-99.25, 31.15], [-99.0, 31.25], [-98.75, 31.15], [-98.5, 31.25], [-97.97, 31.03], [-97.75, 30.5], [-97.97, 29.97], [-98.32, 29.82], [-98.47, 29.47], [-99.0, 29.25], [-99.25, 29.35], [-99.32, 29.32], [-99.47, 28.97], [-99.82, 28.82], [-99.97, 28.47], [-100.5, 28.25], [-100.75, 28.35], [-101.0, 28.25], [-101.53, 28.47], [-101.68, 28.82], [-102.03, 28.97], [-102.18, 29.32], [-102.25, 29.35], [-102.5, 29.25], [-102.75, 29.35], [-103.0, 29.25], [-103.53, 29.47]]]]}, "2013-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.53, 29.47], [-103.75, 30.0], [-103.53, 30.53], [-103.0, 30.75], [-102.75, 30.65], [-102.5, 30.75], [-102.25, 30.65], [-102.0, 30.75], [-101.75, 30.65], [-101.5, 30.75], [-101.25, 30.65], [-101.18, 30.68], [-101.03, 31.03], [-100.5, 31.25], [-100.25, 31.15], [-100.0, 31.25], [-99.75, 31.15], [-99.5, 31.25], [-99.25, 31.15], [-99.0, 31.25], [-98.75, 31.15], [-98.5, 31.25], [-97.97, 31.03], [-97.75, 30.5], [-97.97, 29.97], [-98.32, 29.82], [-98.47, 29.47], [-99.0, 29.25], [-99.25, 29.35], [-99.32, 29.32], [-99.47, 28.97], [-99.82, 28.82], [-99.97, 28.47], [-100.5, 28.25], [-100.75, 28.35], [-101.0, 28.25], [-101.53, 28.47], [-101.68, 28.82], [-102.03, 28.97], [-102.18, 29.32], [-102.25, 29.35], [-102.5, 29.25], [-102.75, 29.35], [-103.0, 29.25], [-103.53, 29.47]]]]}, "2013-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.53, 29.47], [-103.75, 30.0], [-103.53, 30.53], [-103.0, 30.75], [-102.75, 30.65], [-102.5, 30.75], [-102.25, 30.65], [-102.0, 30.75], [-101.75, 30.65], [-101.5, 30.75], [-101.25, 30.65], [-101.0, 30.75], [-100.75, 30.65], [-100.68, 30.68], [-100.53, 31.03], [-100.0, 31.25], [-99.75, 31.15], [-99.5, 31.25], [-99.25, 31.15], [-99.0, 31.25], [-98.75, 31.15], [-98.5, 31.25], [-97.97, 31.03], [-97.75, 30.5], [-97.97, 29.97], [-98.32, 29.82], [-98.47, 29.47], [-99.0, 29.25], [-99.25, 29.35], [-99.32, 29.32], [-99.47, 28.97], [-99.82, 28.82], [-99.97, 28.47], [-100.5, 28.25], [-100.75, 28.35], [-101.0, 28.25], [-101.53, 28.47], [-101.68, 28.82], [-102.03, 28.97], [-102.18, 29.32], [-102.25, 29.35], [-102.5, 29.25], [-102.75, 29.35], [-103.0, 29.25], [-103.53, 29.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4644229605160604}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.604642365848686}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.102114340323055, 32.197779220296525, 31.803520250505528, 31.999939755252626, 32.097479953096126, 31.914435272046376]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.97450744875101, 33.85899266234969, 33.87217276515855, 34.35369618965791, 34.33695250036135, 33.89365511854311]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.530305003005111, 2.4027636589513124, 2.535222380396184, 2.688830766015775, 2.750346678594096, 2.48257755131954]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.69776427579302, 2.549222894681293, 2.807748558593744, 3.3246143846542395, 3.00891402525383, 3.4644229605160604]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3056466482408706, 1.2706397205001174, 1.3637415673639024, 1.5137443226134615, 1.5596038703368045, 1.3879951591826538]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.412995608467304, 1.370610505827859, 1.651196066573312, 2.078516164475448, 1.8851491232936297, 1.648485135031084]}}