{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:58.470913", "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": "2010-Jun-26_to_2010-Jun-30_273.0_13.5"}, "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": 2010060000969}, "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": "June 26 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 30 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 95998.319095078}, "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": ["El Salvador", "Guatemala", "Honduras", "Mexico", "Nicaragua"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": ["North Pacific Ocean"]}, "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": 13.5}, "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": 273.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "273.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 266.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 274.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.75, 13.5], [-88.53, 14.03], [-88.18, 14.18], [-88.03, 14.53], [-87.5, 14.75], [-86.97, 14.53], [-86.82, 14.18], [-86.47, 14.03], [-86.32, 13.68], [-85.97, 13.53], [-85.82, 13.18], [-85.47, 13.03], [-85.25, 12.5], [-85.47, 11.97], [-86.0, 11.75], [-86.25, 11.85], [-86.5, 11.75], [-86.75, 11.85], [-87.0, 11.75], [-87.53, 11.97], [-87.68, 12.32], [-88.03, 12.47], [-88.18, 12.82], [-88.53, 12.97], [-88.75, 13.5]]]]}, "2010-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.25, 15.0], [-93.03, 15.53], [-92.5, 15.75], [-91.97, 15.53], [-91.82, 15.18], [-91.75, 15.15], [-91.5, 15.25], [-90.97, 15.03], [-90.82, 14.68], [-90.75, 14.65], [-90.5, 14.75], [-90.25, 14.65], [-90.0, 14.75], [-89.75, 14.65], [-89.5, 14.75], [-89.25, 14.65], [-89.0, 14.75], [-88.75, 14.65], [-88.5, 14.75], [-88.25, 14.65], [-88.0, 14.75], [-87.75, 14.65], [-87.5, 14.75], [-86.97, 14.53], [-86.82, 14.18], [-86.47, 14.03], [-86.32, 13.68], [-85.97, 13.53], [-85.82, 13.18], [-85.47, 13.03], [-85.25, 12.5], [-85.47, 11.97], [-86.0, 11.75], [-86.25, 11.85], [-86.5, 11.75], [-86.75, 11.85], [-87.0, 11.75], [-87.53, 11.97], [-87.68, 12.32], [-88.03, 12.47], [-88.18, 12.82], [-88.25, 12.85], [-88.5, 12.75], [-88.75, 12.85], [-89.0, 12.75], [-89.25, 12.85], [-89.5, 12.75], [-89.75, 12.85], [-90.0, 12.75], [-90.53, 12.97], [-90.68, 13.32], [-90.75, 13.35], [-91.0, 13.25], [-91.53, 13.47], [-91.68, 13.82], [-91.75, 13.85], [-92.0, 13.75], [-92.53, 13.97], [-92.68, 14.32], [-93.03, 14.47], [-93.25, 15.0]]]]}, "2010-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.03, 16.53], [-93.5, 16.75], [-92.97, 16.53], [-92.82, 16.18], [-92.47, 16.03], [-92.32, 15.68], [-91.97, 15.53], [-91.82, 15.18], [-91.75, 15.15], [-91.5, 15.25], [-91.25, 15.15], [-91.0, 15.25], [-90.47, 15.03], [-90.32, 14.68], [-90.25, 14.65], [-90.0, 14.75], [-89.75, 14.65], [-89.5, 14.75], [-89.25, 14.65], [-89.0, 14.75], [-88.75, 14.65], [-88.5, 14.75], [-88.25, 14.65], [-88.0, 14.75], [-87.75, 14.65], [-87.5, 14.75], [-86.97, 14.53], [-86.82, 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"description": "Mean t2m anomaly over entire duration", "value": -1.9129193602682386}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.84032455915144, 24.54947527330461, 24.313886346724985, 24.20271999586606, 24.695669228090424]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.304509657610026, 20.807715239952756, 18.950807738370088, 19.334266282893623, 19.338561811613033]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.991091914108233, -1.8453955011160705, -2.040244084373139, -1.9376749090765242, -1.6818193922249018]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.519147133906756, -2.5487270761615832, -2.6882305802340625, -2.7807538309181723, -2.127238106519883]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7290711361882565, -1.6003886735919413, -1.7878607594294698, -1.6985266795165812, -1.6128834348025523]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.1940559078329995, -2.1811548690112743, -2.416350253289131, -2.006231694865873, -1.9515933858284367]}}