{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:40.071010", "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": "2022-Jul-24_to_2022-Aug-11_270.5_21.5"}, "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": 2022070001054}, "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 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 11 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 19}, "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": 66540.54173170406}, "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": 21.5}, "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": 270.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "270.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 269.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 272.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-89.5, 18.75], [-90.0, 18.96], [-90.5, 18.75], [-91.03, 18.97], [-91.25, 19.5], [-91.03, 20.03], [-90.68, 20.18], [-90.65, 20.25], [-90.68, 20.32], [-90.75, 20.35], [-91.0, 20.25], [-91.53, 20.47], [-91.75, 21.0], [-91.65, 21.25], [-91.75, 21.5], [-91.53, 22.03], [-91.0, 22.25], [-90.75, 22.15], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-89.25, 22.15], [-89.0, 22.25], [-88.47, 22.03], [-88.32, 21.68], [-88.25, 21.65], [-88.0, 21.75], [-87.47, 21.53], [-87.25, 21.0], [-87.46, 20.5], [-87.25, 20.0], [-87.47, 19.47], [-88.0, 19.25], [-88.25, 19.35], [-88.32, 19.32], [-88.47, 18.97], [-89.0, 18.75], [-89.25, 18.85], [-89.5, 18.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.02999999999997, 21.03], [-89.5, 21.25], [-88.97000000000003, 21.03], [-88.75, 20.5], [-88.97000000000003, 19.97], [-89.5, 19.75], [-90.02999999999997, 19.97], [-90.25, 20.5], [-90.02999999999997, 21.03]]]]}, "2022-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 20.5], [-90.52999999999997, 21.03], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-88.97000000000003, 21.03], [-88.75, 20.5], [-88.85000000000002, 20.25], [-88.75, 20.0], [-88.97000000000003, 19.47], [-89.5, 19.25], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.75, 20.5]]]]}, "2022-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 20.5], [-90.64999999999998, 20.75], [-90.75, 21.0], [-90.52999999999997, 21.53], [-90.0, 21.75], [-89.75, 21.65], [-89.5, 21.75], [-88.97000000000003, 21.53], [-88.75, 21.0], [-88.85000000000002, 20.75], [-88.75, 20.5], [-88.85000000000002, 20.25], [-88.75, 20.0], [-88.97000000000003, 19.47], [-89.5, 19.25], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.75, 20.5]]]]}, "2022-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 20.5], [-90.64999999999998, 20.75], [-90.75, 21.0], [-90.52999999999997, 21.53], [-90.18, 21.68], [-90.02999999999997, 22.03], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.85000000000002, 21.25], [-88.75, 21.0], [-88.85000000000002, 20.75], [-88.75, 20.5], [-88.85000000000002, 20.25], [-88.75, 20.0], [-88.97000000000003, 19.47], [-89.5, 19.25], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.75, 20.5]]]]}, "2022-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 20.5], [-90.64999999999998, 20.75], [-90.75, 21.0], [-90.52999999999997, 21.53], [-90.18, 21.68], [-90.02999999999997, 22.03], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.85000000000002, 21.25], [-88.75, 21.0], [-88.85000000000002, 20.75], [-88.75, 20.5], [-88.85000000000002, 20.25], [-88.75, 20.0], [-88.97000000000003, 19.47], [-89.5, 19.25], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.75, 20.5]]]]}, "2022-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.5, 20.25], [-91.02999999999997, 20.47], [-91.25, 21.0], [-91.02999999999997, 21.53], [-90.5, 21.75], [-90.25, 21.65], [-90.18, 21.68], [-90.02999999999997, 22.03], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.85000000000002, 21.25], [-88.75, 21.0], [-88.85000000000002, 20.75], [-88.75, 20.5], [-88.97000000000003, 19.97], [-89.5, 19.75], [-90.02999999999997, 19.97], [-90.18, 20.32], [-90.25, 20.35], [-90.5, 20.25]]]]}, "2022-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.75, 21.5], [-91.52999999999997, 22.03], [-91.0, 22.25], [-90.75, 22.15], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.85000000000002, 21.25], [-88.75, 21.0], [-88.85000000000002, 20.75], [-88.75, 20.5], [-88.97000000000003, 19.97], [-89.5, 19.75], [-90.02999999999997, 19.97], [-90.18, 20.32], [-90.25, 20.35], [-90.5, 20.25], [-90.75, 20.35], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.64999999999998, 21.25], [-91.75, 21.5]]]]}, "2022-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.75, 21.5], [-91.52999999999997, 22.03], [-91.0, 22.25], [-90.75, 22.15], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.85000000000002, 21.25], [-88.75, 21.0], [-88.85000000000002, 20.75], [-88.75, 20.5], [-88.97000000000003, 19.97], [-89.5, 19.75], [-90.02999999999997, 19.97], [-90.18, 20.32], [-90.25, 20.35], [-90.5, 20.25], [-90.75, 20.35], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.64999999999998, 21.25], [-91.75, 21.5]]]]}, "2022-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.75, 21.5], [-91.52999999999997, 22.03], [-91.0, 22.25], [-90.75, 22.15], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.97000000000003, 20.97], [-89.5, 20.75], [-89.75, 20.85], [-89.82, 20.82], [-89.97000000000003, 20.47], [-90.5, 20.25], [-90.75, 20.35], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.64999999999998, 21.25], [-91.75, 21.5]]]]}, "2022-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.02999999999997, 22.03], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.97000000000003, 20.97], [-89.5, 20.75], [-89.75, 20.85], [-90.0, 20.75], [-90.25, 20.85], [-90.32, 20.82], [-90.47000000000003, 20.47], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.52999999999997, 21.53], [-91.18, 21.68], [-91.02999999999997, 22.03]]]]}, "2022-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.02999999999997, 22.03], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-89.25, 22.15], [-89.0, 22.25], [-88.47000000000003, 22.03], [-88.25, 21.5], [-88.47000000000003, 20.97], [-89.0, 20.75], [-89.25, 20.85], [-89.5, 20.75], [-89.75, 20.85], [-89.82, 20.82], [-89.97000000000003, 20.47], [-90.5, 20.25], [-90.75, 20.35], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.52999999999997, 21.53], [-91.18, 21.68], [-91.02999999999997, 22.03]]]]}, "2022-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.75, 21.5], [-91.52999999999997, 22.03], [-91.0, 22.25], [-90.75, 22.15], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-89.25, 22.15], [-89.0, 22.25], [-88.47000000000003, 22.03], [-88.25, 21.5], [-88.47000000000003, 20.97], [-89.0, 20.75], [-89.25, 20.85], [-89.5, 20.75], [-89.75, 20.85], [-89.82, 20.82], [-89.87, 20.7], [-89.47000000000003, 20.53], [-89.25, 20.0], [-89.47000000000003, 19.47], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.62, 20.3], [-90.75, 20.35], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.64999999999998, 21.25], [-91.75, 21.5]]]]}, "2022-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.75, 21.5], [-91.52999999999997, 22.03], [-91.0, 22.25], [-90.75, 22.15], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-89.25, 22.15], [-89.0, 22.25], [-88.47000000000003, 22.03], [-88.25, 21.5], [-88.47000000000003, 20.97], [-89.0, 20.75], [-89.25, 20.85], [-89.37, 20.8], [-89.32, 20.68], [-88.97000000000003, 20.53], [-88.75, 20.0], [-88.97000000000003, 19.47], [-89.5, 19.25], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.68, 20.32], [-90.75, 20.35], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.64999999999998, 21.25], [-91.75, 21.5]]]]}, "2022-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.75, 21.5], [-91.52999999999997, 22.03], [-91.0, 22.25], [-90.75, 22.15], [-90.5, 22.25], [-90.25, 22.15], [-90.0, 22.25], [-89.75, 22.15], [-89.5, 22.25], [-88.97000000000003, 22.03], [-88.75, 21.5], [-88.97000000000003, 20.97], [-89.37, 20.8], [-89.32, 20.68], [-88.97000000000003, 20.53], [-88.75, 20.0], [-88.85000000000002, 19.75], [-88.75, 19.5], [-88.97000000000003, 18.97], [-89.5, 18.75], [-90.0, 18.96], [-90.5, 18.75], [-91.02999999999997, 18.97], [-91.25, 19.5], [-91.02999999999997, 20.03], [-90.68, 20.18], [-90.64999999999998, 20.25], [-90.68, 20.32], [-90.75, 20.35], [-91.0, 20.25], [-91.52999999999997, 20.47], [-91.75, 21.0], [-91.64999999999998, 21.25], [-91.75, 21.5]]]]}, "2022-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.64999999999998, 20.25], [-90.75, 20.5], [-90.52999999999997, 21.03], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-89.25, 21.15], [-89.0, 21.25], [-88.47000000000003, 21.03], [-88.25, 20.5], [-88.35000000000002, 20.25], [-88.25, 20.0], [-88.47000000000003, 19.47], [-88.82, 19.32], [-88.97000000000003, 18.97], [-89.5, 18.75], [-90.0, 18.96], [-90.5, 18.75], [-91.02999999999997, 18.97], [-91.25, 19.5], [-91.02999999999997, 20.03], [-90.68, 20.18], [-90.64999999999998, 20.25]]]]}, "2022-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.64999999999998, 20.25], [-90.75, 20.5], [-90.52999999999997, 21.03], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-89.25, 21.15], [-89.18, 21.18], [-89.02999999999997, 21.53], [-88.5, 21.75], [-87.97000000000003, 21.53], [-87.75, 21.0], [-87.85000000000002, 20.75], [-87.75, 20.5], [-87.97000000000003, 19.97], [-88.32, 19.82], [-88.47000000000003, 19.47], [-88.82, 19.32], [-88.97000000000003, 18.97], [-89.5, 18.75], [-90.0, 18.96], [-90.5, 18.75], [-91.02999999999997, 18.97], [-91.25, 19.5], [-91.02999999999997, 20.03], [-90.68, 20.18], [-90.64999999999998, 20.25]]]]}, "2022-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 20.5], [-90.52999999999997, 21.03], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-89.25, 21.15], [-89.18, 21.18], [-89.02999999999997, 21.53], [-88.5, 21.75], [-88.25, 21.65], [-88.0, 21.75], [-87.47000000000003, 21.53], [-87.25, 21.0], [-87.45999999999998, 20.5], [-87.25, 20.0], [-87.47000000000003, 19.47], [-88.0, 19.25], [-88.25, 19.35], [-88.32, 19.32], [-88.47000000000003, 18.97], [-89.0, 18.75], [-89.52999999999997, 18.97], [-89.68, 19.32], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.75, 20.5]]]]}, "2022-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 20.5], [-90.52999999999997, 21.03], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-89.25, 21.15], [-89.18, 21.18], [-89.02999999999997, 21.53], [-88.5, 21.75], [-88.25, 21.65], [-88.0, 21.75], [-87.47000000000003, 21.53], [-87.25, 21.0], [-87.45999999999998, 20.5], [-87.25, 20.0], [-87.47000000000003, 19.47], [-88.0, 19.25], [-88.25, 19.35], [-88.32, 19.32], [-88.47000000000003, 18.97], [-89.0, 18.75], [-89.52999999999997, 18.97], [-89.68, 19.32], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.75, 20.5]]]]}, "2022-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 20.5], [-90.52999999999997, 21.03], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-89.25, 21.15], [-89.18, 21.18], [-89.02999999999997, 21.53], [-88.5, 21.75], [-88.25, 21.65], [-88.0, 21.75], [-87.47000000000003, 21.53], [-87.25, 21.0], [-87.45999999999998, 20.5], [-87.25, 20.0], [-87.47000000000003, 19.47], [-88.0, 19.25], [-88.25, 19.35], [-88.32, 19.32], [-88.47000000000003, 18.97], [-89.0, 18.75], [-89.52999999999997, 18.97], [-89.68, 19.32], [-89.75, 19.35], [-90.0, 19.25], [-90.52999999999997, 19.47], [-90.75, 20.0], [-90.64999999999998, 20.25], [-90.75, 20.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.569448334107676}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.7439022280204082}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.90125091310432, 26.687260473275387, 26.970107921895703, 26.17904075982608, 26.852777796941382, 27.09679996613943, 26.140584702198737, 26.282629518794806, 26.917509206544537, 26.886308237341837, 26.468201336550635, 26.701669458388153, 26.60936467806073, 26.811325354772237, 25.790256799147585, 26.118564040906847, 26.47835121705606, 25.517514413846698, 26.025265838416146]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.90125091310432, 26.162382458227796, 26.836558479712437, 25.966283519508636, 26.563394679715373, 26.689302328204292, 25.49629299091697, 25.90288493478471, 26.416331899231807, 26.538965273836993, 26.00360255678919, 26.10403002421606, 26.17373653735109, 26.411406528842576, 24.897898644844815, 25.55055196183855, 26.261140991545574, 24.886712210401754, 25.640961726778983]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6249188976045161, -1.9099125501850978, -1.5226281143753984, -2.167090163333382, -1.5343492991644976, -0.9435125930912249, -1.7245158635774942, -1.5946159147449004, -0.6784140111220912, -0.6627694857430697, -1.0827863646615015, -1.0738905659036462, -1.3105195328900094, -1.288589795595871, -2.8124248519157007, -2.3972358945086514, -1.8283016689698381, -2.767317211337622, -2.2287660330917114]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.6249188976045161, -2.3761368957839295, -1.8450415586987674, -2.709732217567762, -2.1375028657234907, -1.3349177712806295, -2.8963029748198323, -2.2143022020256353, -0.9703456252490241, -0.8743146502129662, -1.3549842445157765, -1.6489116511750694, -2.502230961881196, -2.2473513617968592, -3.5382211513828565, -3.189376268847525, -2.1949438268617882, -3.569448334107676, -2.859982104103267]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3795483115329867, -1.6101366645733293, -1.4841739268411385, -2.3812724189629906, -1.6874213747826592, -1.3610397519860498, -3.2536520806968605, -3.1927805801818714, -1.8615058722041107, -1.8064853232040408, -2.7681936873572446, -2.3927043490204176, -2.1598224764867195, -1.6713643719475846, -2.1898220751855653, -1.8372095895686251, -1.4430548700643648, -2.13128066191531, -1.7182025529537928]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3795483115329867, -1.9358533567501577, -1.796160126432156, -2.7157198870198163, -1.8166824690985777, -1.5701865225387828, -4.0198335723085155, -4.121956113350472, -2.7535289469767843, -2.4208908285823854, -3.593401512139951, -3.523148354111843, -3.10178427522076, -2.076150511013892, -2.831246009435229, -2.348903353338703, -1.6823714293236902, -2.3498207482529017, -1.9313812055254629]}}