{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:07.378141", "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-Jul-05_to_2010-Jul-07_75.0_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": 2010070000296}, "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 05 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 07 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 56329.698058123904}, "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": ["India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Tibetan-Plateau", "W.C.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": 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": 75.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "75.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 72.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 76.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.82, 28.68], [72.96, 29.0], [72.75, 29.5], [72.97, 30.03], [73.32, 30.18], [73.47, 30.53], [73.82, 30.68], [73.97, 31.03], [74.32, 31.18], [74.47, 31.53], [75.0, 31.75], [75.25, 31.65], [75.5, 31.75], [75.75, 31.65], [76.0, 31.75], [76.53, 31.53], [76.75, 31.0], [76.65, 30.75], [76.75, 30.5], [76.65, 30.25], [76.75, 30.0], [76.53, 29.47], [76.18, 29.32], [76.03, 28.97], [75.5, 28.75], [75.25, 28.85], [75.0, 28.75], [74.75, 28.85], [74.68, 28.82], [74.53, 28.47], [74.18, 28.32], [74.03, 27.97], [73.68, 27.82], [73.53, 27.47], [73.18, 27.32], [73.03, 26.97], [72.5, 26.75], [71.97, 26.97], [71.75, 27.5], [71.97, 28.03], [72.32, 28.18], [72.47, 28.53], [72.82, 28.68]]]]}, "2010-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.82, 28.68], [72.96, 29.0], [72.75, 29.5], [72.97, 30.03], [73.32, 30.18], [73.47, 30.53], [73.82, 30.68], [73.97, 31.03], [74.32, 31.18], [74.47, 31.53], [75.0, 31.75], [75.25, 31.65], [75.5, 31.75], [75.75, 31.65], [76.0, 31.75], [76.53, 31.53], [76.75, 31.0], [76.65, 30.75], [76.75, 30.5], [76.65, 30.25], [76.75, 30.0], [76.53, 29.47], [76.18, 29.32], [76.03, 28.97], [75.5, 28.75], [75.25, 28.85], [75.0, 28.75], [74.75, 28.85], [74.68, 28.82], [74.53, 28.47], [74.18, 28.32], [74.03, 27.97], [73.68, 27.82], [73.53, 27.47], [73.18, 27.32], [73.03, 26.97], [72.5, 26.75], [71.97, 26.97], [71.75, 27.5], [71.97, 28.03], [72.32, 28.18], [72.47, 28.53], [72.82, 28.68]]]]}, "2010-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.82, 28.68], [72.96, 29.0], [72.75, 29.5], [72.97, 30.03], [73.32, 30.18], [73.47, 30.53], [73.82, 30.68], [73.97, 31.03], [74.32, 31.18], [74.47, 31.53], [75.0, 31.75], [75.25, 31.65], [75.5, 31.75], [75.75, 31.65], [76.0, 31.75], [76.53, 31.53], [76.75, 31.0], [76.65, 30.75], [76.75, 30.5], [76.65, 30.25], [76.75, 30.0], [76.53, 29.47], [76.18, 29.32], [76.03, 28.97], [75.5, 28.75], [75.25, 28.85], [75.0, 28.75], [74.75, 28.85], [74.68, 28.82], [74.53, 28.47], [74.18, 28.32], [74.03, 27.97], [73.68, 27.82], [73.53, 27.47], [73.18, 27.32], [73.03, 26.97], [72.5, 26.75], [71.97, 26.97], [71.75, 27.5], [71.97, 28.03], [72.32, 28.18], [72.47, 28.53], [72.82, 28.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.1157640351870555}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.600211156739517}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.42100277082477, 27.56246694858379, 29.10558612919698]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.90422870452096, 25.309772901558517, 27.704282309298037]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.572167901432148, -5.4136718275251825, -3.8147937412612203]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.921069848986065, -6.1157640351870555, -4.691457816946922]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.9437170755762916, -2.342699334808063, -1.6639720329536327]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.3798838049219637, -2.809721371934569, -1.9320920482256805]}}