{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:20.400147", "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": "2018-Mar-12_to_2018-Mar-15_98.0_22.5"}, "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": 2018030000451}, "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": "March 12 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2018"}, "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": 77162.87429985272}, "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": ["Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia"]}, "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": []}, "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": 22.5}, "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": 98.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "98.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 94.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.5, 23.75], [95.75, 23.65], [95.82, 23.68], [95.97, 24.03], 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20.96], [97.0, 20.75], [96.75, 20.85], [96.5, 20.75], [95.97, 20.97], [95.82, 21.32], [95.47, 21.47], [95.32, 21.82], [95.25, 21.85], [95.0, 21.75], [94.47, 21.97], [94.25, 22.5], [94.47, 23.03], [94.82, 23.18], [94.97, 23.53], [95.5, 23.75]]]]}, "2018-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.5, 23.75], [95.75, 23.65], [95.82, 23.68], [95.97, 24.03], [96.5, 24.25], [96.75, 24.15], [96.82, 24.18], [96.97, 24.53], [97.5, 24.75], [98.03, 24.53], [98.25, 24.0], [98.13, 23.7], [98.53, 23.53], [98.68, 23.18], [99.03, 23.03], [99.18, 22.68], [99.53, 22.53], [99.68, 22.18], [100.03, 22.03], [100.25, 21.5], [100.03, 20.97], [99.5, 20.75], [99.0, 20.96], [98.5, 20.75], [98.25, 20.85], [98.0, 20.75], [97.5, 20.96], [97.0, 20.75], [96.75, 20.85], [96.5, 20.75], [95.97, 20.97], [95.82, 21.32], [95.47, 21.47], [95.32, 21.82], [95.25, 21.85], [95.0, 21.75], [94.47, 21.97], [94.25, 22.5], [94.47, 23.03], [94.82, 23.18], [94.97, 23.53], [95.5, 23.75]]]]}, "2018-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.0, 23.75], [96.3, 23.63], [96.47, 24.03], [96.82, 24.18], [96.97, 24.53], [97.5, 24.75], [98.03, 24.53], [98.25, 24.0], [98.13, 23.7], [98.53, 23.53], [98.68, 23.18], [99.03, 23.03], [99.18, 22.68], [99.53, 22.53], [99.68, 22.18], [100.03, 22.03], [100.25, 21.5], [100.03, 20.97], [99.5, 20.75], [99.0, 20.96], [98.5, 20.75], [98.25, 20.85], [98.0, 20.75], [97.5, 20.96], [97.0, 20.75], [96.75, 20.85], [96.5, 20.75], [95.97, 20.97], [95.75, 21.5], [95.85, 21.75], [95.82, 21.82], [95.75, 21.85], [95.5, 21.75], [94.97, 21.97], [94.75, 22.5], [94.97, 23.03], [95.32, 23.18], [95.47, 23.53], [96.0, 23.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.5352172438536513}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.6933719380725685}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.69532439508754, 21.036743162952348, 20.945059386518608, 21.041504224334517]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.692256516459395, 17.57387892754167, 17.297949825324906, 18.470274863167162]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.484146534837597, -2.7555485227338203, -2.9724442790040246, -2.452372561919134]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.33899494148892, -3.5352172438536513, -3.488383018351385, -2.93860822507321]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6487311004061975, -1.7682239219624167, -1.8595598202156671, -1.5116372321175884]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.004439232971412, -2.319444920425614, -2.177214064111696, -1.735042772199732]}}