{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:05.239073", "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-Jun-26_to_2022-Jun-29_122.0_16.5"}, "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": 2022060001174}, "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 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 29 2022"}, "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": "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": 76979.91624024356}, "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": ["Philippines"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Philippine Sea"]}, "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": 16.5}, "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": 122.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "122.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 124.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[121.97, 19.03], [122.5, 19.25], [123.03, 19.03], [123.18, 18.68], [123.53, 18.53], [123.75, 18.0], [123.63, 17.7], [124.03, 17.53], [124.18, 17.18], [124.53, 17.03], [124.75, 16.5], [124.65, 16.25], [124.75, 16.0], [124.53, 15.47], [124.18, 15.32], [124.15, 15.25], [124.25, 15.0], [124.03, 14.47], [123.5, 14.25], [122.97, 14.47], [122.82, 14.82], [122.75, 14.85], [122.5, 14.75], [121.97, 14.97], [121.82, 15.32], [121.47, 15.47], [121.32, 15.82], [120.97, 15.97], [120.75, 16.5], [120.85, 16.75], [120.75, 17.0], [120.85, 17.25], [120.75, 17.5], [120.97, 18.03], [121.32, 18.18], [121.47, 18.53], [121.82, 18.68], [121.97, 19.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, 18.0], [121.47, 18.53], [121.82, 18.68], [121.97, 19.03], [122.5, 19.25], [123.03, 19.03], [123.18, 18.68], [123.53, 18.53], [123.75, 18.0], [123.63, 17.7], [124.03, 17.53], [124.18, 17.18], [124.53, 17.03], [124.75, 16.5], [124.65, 16.25], [124.75, 16.0], [124.53, 15.47], [124.18, 15.32], [124.15, 15.25], [124.25, 15.0], [124.03, 14.47], [123.5, 14.25], [122.97, 14.47], [122.82, 14.82], [122.75, 14.85], [122.5, 14.75], [121.97, 14.97], [121.75, 15.5], [121.85, 15.75], [121.82, 15.82], [121.75, 15.85], [121.5, 15.75], [120.97, 15.97], [120.75, 16.5], [120.97, 17.03], [121.38, 17.2], [121.25, 17.5], [121.35, 17.75], [121.25, 18.0]]]]}, "2022-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.75, 17.0], [120.85, 17.25], [120.75, 17.5], [120.97, 18.03], [121.32, 18.18], [121.47, 18.53], [121.82, 18.68], [121.97, 19.03], [122.5, 19.25], [123.03, 19.03], [123.18, 18.68], [123.53, 18.53], [123.75, 18.0], [123.63, 17.7], [124.03, 17.53], [124.18, 17.18], [124.53, 17.03], [124.75, 16.5], [124.65, 16.25], [124.75, 16.0], [124.53, 15.47], [124.18, 15.32], [124.15, 15.25], [124.25, 15.0], [124.03, 14.47], [123.5, 14.25], [122.97, 14.47], [122.82, 14.82], [122.75, 14.85], [122.5, 14.75], [121.97, 14.97], [121.82, 15.32], [121.47, 15.47], [121.32, 15.82], [120.97, 15.97], [120.75, 16.5], [120.85, 16.75], [120.75, 17.0]]]]}, "2022-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.75, 17.0], [120.85, 17.25], [120.75, 17.5], [120.97, 18.03], [121.32, 18.18], [121.47, 18.53], [121.82, 18.68], [121.97, 19.03], [122.5, 19.25], [123.03, 19.03], [123.18, 18.68], [123.53, 18.53], [123.75, 18.0], [123.63, 17.7], [124.03, 17.53], [124.18, 17.18], [124.53, 17.03], [124.75, 16.5], [124.65, 16.25], [124.75, 16.0], [124.53, 15.47], [124.18, 15.32], [124.15, 15.25], [124.25, 15.0], [124.03, 14.47], [123.5, 14.25], [122.97, 14.47], [122.82, 14.82], [122.75, 14.85], [122.5, 14.75], [121.97, 14.97], [121.82, 15.32], [121.47, 15.47], [121.32, 15.82], [120.97, 15.97], [120.75, 16.5], [120.85, 16.75], [120.75, 17.0]]]]}, "2022-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.75, 17.0], [120.85, 17.25], [120.75, 17.5], [120.97, 18.03], [121.32, 18.18], [121.47, 18.53], [122.0, 18.75], [122.53, 18.53], [122.75, 18.0], [122.54, 17.5], [122.75, 17.0], [122.65, 16.75], [122.75, 16.5], [122.65, 16.25], [122.75, 16.0], [122.53, 15.47], [122.0, 15.25], [121.47, 15.47], [121.32, 15.82], [120.97, 15.97], [120.75, 16.5], [120.85, 16.75], [120.75, 17.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.5380979305448363}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.1799360572710618}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.77314989980107, 26.50091889063839, 26.58843612402285, 26.114782459232288]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.04162318585469, 24.375902882617424, 24.332213281092436, 24.93356943922595]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.0264697473673772, -1.275800580811003, -1.154016076567018, -1.4024647292921648]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.4766440312288296, -2.4136058085175023, -2.5380979305448363, -1.7536733216738867]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5629002833461094, -1.8033474924117487, -1.610925899932186, -1.5402709852389918]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.1988430587069807, -2.338510836935687, -2.4657881798716432, -1.7272584789949186]}}