{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:07.240072", "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-04_to_2010-Jul-13_80.0_12.0"}, "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": 2010070000235}, "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 04 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 13 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 375667.52449244936}, "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": ["Bay-of-Bengal", "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": ["Bay of Bengal"]}, "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": 12.0}, "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": 80.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "80.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 78.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 87.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.0, 19.25], [83.53, 19.03], [83.75, 18.5], [83.65, 18.25], [83.75, 18.0], [83.53, 17.47], [83.0, 17.25], [82.47, 17.47], [82.25, 18.0], [82.35, 18.25], [82.25, 18.5], [82.47, 19.03], [83.0, 19.25]]], [[[84.47, 19.53], [84.82, 19.68], [84.97, 20.03], [85.5, 20.25], [85.75, 20.15], [86.0, 20.25], [86.25, 20.15], [86.32, 20.18], [86.47, 20.53], [86.82, 20.68], [86.97, 21.03], [87.5, 21.25], [88.03, 21.03], [88.25, 20.5], [88.03, 19.97], [87.68, 19.82], [87.54, 19.5], [87.75, 19.0], [87.65, 18.75], [87.75, 18.5], [87.53, 17.97], [87.18, 17.82], [87.15, 17.75], [87.25, 17.5], [87.04, 17.0], [87.25, 16.5], [87.03, 15.97], [86.5, 15.75], [86.25, 15.85], [86.0, 15.75], [85.75, 15.85], [85.5, 15.75], [85.25, 15.85], [85.0, 15.75], [84.47, 15.97], [84.32, 16.32], [83.97, 16.47], [83.75, 17.0], [83.97, 17.53], [84.32, 17.68], [84.35, 17.75], [84.32, 17.82], [83.97, 17.97], [83.75, 18.5], [83.97, 19.03], [84.32, 19.18], [84.47, 19.53]]]]}, "2010-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.47, 13.47], [79.25, 14.0], [79.47, 14.53], [80.0, 14.75], [80.53, 14.53], [80.75, 14.0], [80.53, 13.47], [80.0, 13.25], [79.47, 13.47]]], [[[80.47, 17.53], [81.0, 17.75], [81.25, 17.65], [81.32, 17.68], [81.47, 18.03], [81.82, 18.18], [81.97, 18.53], [82.32, 18.68], [82.47, 19.03], [82.82, 19.18], [82.97, 19.53], [83.5, 19.75], [83.75, 19.65], [84.0, 19.75], [84.25, 19.65], [84.5, 19.75], [84.75, 19.65], [84.82, 19.68], [84.97, 20.03], [85.5, 20.25], [85.75, 20.15], [86.0, 20.25], [86.25, 20.15], [86.32, 20.18], [86.47, 20.53], [86.82, 20.68], [86.97, 21.03], [87.5, 21.25], [88.03, 21.03], [88.25, 20.5], [88.03, 19.97], [87.68, 19.82], [87.54, 19.5], [87.75, 19.0], [87.65, 18.75], [87.75, 18.5], [87.65, 18.25], [87.75, 18.0], [87.65, 17.75], [87.75, 17.5], [87.53, 16.97], [87.13, 16.8], [87.25, 16.5], [87.03, 15.97], [86.68, 15.82], [86.53, 15.47], [86.18, 15.32], [86.03, 14.97], [85.68, 14.82], [85.53, 14.47], [85.0, 14.25], [84.47, 14.47], [84.32, 14.82], [84.25, 14.85], [84.0, 14.75], [83.47, 14.97], [83.32, 15.32], [82.97, 15.47], [82.75, 16.0], [82.85, 16.25], [82.82, 16.32], [82.75, 16.35], [82.68, 16.32], [82.53, 15.97], [82.0, 15.75], [81.75, 15.85], [81.5, 15.75], [80.97, 15.97], [80.82, 16.32], [80.47, 16.47], [80.25, 17.0], [80.47, 17.53]]]]}, "2010-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.35, 13.75], [78.25, 14.0], [78.47, 14.53], [78.82, 14.68], [78.96, 15.0], [78.75, 15.5], [78.85, 15.75], [78.75, 16.0], [78.85, 16.25], [78.75, 16.5], [78.85, 16.75], [78.75, 17.0], [78.85, 17.25], [78.82, 17.32], [78.47, 17.47], [78.25, 18.0], [78.35, 18.25], [78.25, 18.5], [78.47, 19.03], [79.0, 19.25], [79.25, 19.15], [79.5, 19.25], [79.75, 19.15], [80.0, 19.25], [80.25, 19.15], [80.32, 19.18], [80.47, 19.53], [81.0, 19.75], [81.5, 19.54], [82.0, 19.75], [82.53, 19.53], [82.7, 19.13], [82.82, 19.18], [82.85, 19.25], [82.75, 19.5], [82.97, 20.03], [83.5, 20.25], [84.03, 20.03], [84.18, 19.68], [84.25, 19.65], [84.5, 19.75], [84.75, 19.65], [84.82, 19.68], [84.97, 20.03], [85.5, 20.25], [85.75, 20.15], [86.0, 20.25], [86.25, 20.15], [86.32, 20.18], [86.47, 20.53], [86.82, 20.68], [86.97, 21.03], [87.5, 21.25], [88.03, 21.03], [88.25, 20.5], [88.03, 19.97], [87.68, 19.82], [87.54, 19.5], [87.75, 19.0], [87.65, 18.75], [87.75, 18.5], [87.65, 18.25], [87.75, 18.0], [87.65, 17.75], [87.75, 17.5], [87.53, 16.97], [87.13, 16.8], [87.25, 16.5], [87.03, 15.97], [86.68, 15.82], [86.53, 15.47], [86.18, 15.32], [86.03, 14.97], [85.68, 14.82], [85.53, 14.47], [85.0, 14.25], [84.47, 14.47], [84.32, 14.82], [84.25, 14.85], [84.0, 14.75], [83.47, 14.97], [83.32, 15.32], [82.97, 15.47], [82.75, 16.0], [82.85, 16.25], [82.82, 16.32], [82.75, 16.35], [82.68, 16.32], [82.53, 15.97], [82.0, 15.75], [81.75, 15.85], [81.5, 15.75], [81.25, 15.85], [81.18, 15.82], [81.03, 15.47], [80.68, 15.32], [80.65, 15.25], [80.75, 15.0], [80.65, 14.75], [80.75, 14.5], [80.65, 14.25], [80.75, 14.0], [80.65, 13.75], [80.75, 13.5], [80.65, 13.25], [80.75, 13.0], [80.53, 12.47], [80.0, 12.25], [79.75, 12.35], [79.5, 12.25], [79.25, 12.35], [79.0, 12.25], [78.47, 12.47], [78.25, 13.0], [78.35, 13.25], [78.25, 13.5], [78.35, 13.75]]]]}, "2010-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.35, 13.75], [78.25, 14.0], [78.47, 14.53], [78.82, 14.68], [78.96, 15.0], [78.75, 15.5], [78.85, 15.75], [78.75, 16.0], [78.85, 16.25], [78.75, 16.5], [78.85, 16.75], [78.75, 17.0], [78.85, 17.25], [78.82, 17.32], [78.47, 17.47], [78.25, 18.0], [78.35, 18.25], [78.25, 18.5], [78.47, 19.03], [79.0, 19.25], [79.25, 19.15], [79.5, 19.25], [79.75, 19.15], [80.0, 19.25], [80.25, 19.15], [80.32, 19.18], [80.47, 19.53], [81.0, 19.75], [81.5, 19.54], [82.0, 19.75], [82.53, 19.53], [82.7, 19.13], [82.82, 19.18], [82.85, 19.25], [82.75, 19.5], [82.97, 20.03], [83.5, 20.25], [84.03, 20.03], [84.18, 19.68], [84.25, 19.65], [84.5, 19.75], [84.75, 19.65], [84.82, 19.68], [84.97, 20.03], [85.5, 20.25], [86.03, 20.03], [86.25, 19.5], [86.15, 19.25], [86.18, 19.18], [86.53, 19.03], [86.7, 18.63], [87.0, 18.75], [87.53, 18.53], [87.75, 18.0], [87.65, 17.75], [87.75, 17.5], [87.53, 16.97], [87.0, 16.75], [86.7, 16.88], [86.54, 16.5], [86.75, 16.0], [86.53, 15.47], [86.18, 15.32], [86.03, 14.97], [85.68, 14.82], [85.53, 14.47], [85.0, 14.25], [84.47, 14.47], [84.32, 14.82], [84.25, 14.85], [84.0, 14.75], [83.47, 14.97], [83.32, 15.32], [82.97, 15.47], [82.75, 16.0], [82.85, 16.25], [82.82, 16.32], [82.75, 16.35], [82.68, 16.32], [82.53, 15.97], [82.0, 15.75], [81.75, 15.85], [81.5, 15.75], [81.25, 15.85], [81.18, 15.82], [81.03, 15.47], [80.68, 15.32], [80.65, 15.25], [80.75, 15.0], [80.65, 14.75], [80.75, 14.5], [80.65, 14.25], [80.75, 14.0], [80.65, 13.75], [80.75, 13.5], [80.65, 13.25], [80.75, 13.0], [80.57, 12.57], [81.0, 12.75], [81.53, 12.53], [81.75, 12.0], [81.53, 11.47], [81.0, 11.25], [80.47, 11.47], [80.25, 12.0], [80.43, 12.43], [80.0, 12.25], [79.75, 12.35], [79.5, 12.25], [79.25, 12.35], [79.0, 12.25], [78.47, 12.47], [78.25, 13.0], [78.35, 13.25], [78.25, 13.5], [78.35, 13.75]]]]}, "2010-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.25, 14.0], [78.47, 14.53], [78.82, 14.68], [78.96, 15.0], [78.75, 15.5], [78.85, 15.75], [78.75, 16.0], [78.85, 16.25], [78.75, 16.5], [78.85, 16.75], [78.75, 17.0], [78.85, 17.25], [78.82, 17.32], [78.47, 17.47], [78.25, 18.0], [78.35, 18.25], [78.25, 18.5], [78.47, 19.03], [79.0, 19.25], [79.25, 19.15], [79.5, 19.25], [79.75, 19.15], [80.0, 19.25], [80.25, 19.15], [80.32, 19.18], [80.47, 19.53], [81.0, 19.75], [81.5, 19.54], [82.0, 19.75], [82.53, 19.53], [82.75, 19.0], [82.63, 18.7], [82.75, 18.65], [83.0, 18.75], [83.53, 18.53], [83.75, 18.0], [83.65, 17.75], [83.75, 17.5], [83.53, 16.97], [83.18, 16.82], [83.03, 16.47], [82.68, 16.32], [82.53, 15.97], [82.0, 15.75], [81.75, 15.85], [81.5, 15.75], [81.25, 15.85], [81.18, 15.82], [81.03, 15.47], [80.68, 15.32], [80.65, 15.25], [80.75, 15.0], [80.65, 14.75], [80.75, 14.5], [80.65, 14.25], [80.68, 14.18], [81.03, 14.03], [81.25, 13.5], [81.15, 13.25], [81.25, 13.0], [81.15, 12.75], [81.18, 12.68], [81.53, 12.53], [81.75, 12.0], [81.53, 11.47], [81.0, 11.25], [80.75, 11.35], [80.68, 11.32], [80.65, 11.25], [80.75, 11.0], [80.53, 10.47], [80.0, 10.25], [79.47, 10.47], [79.32, 10.82], [78.97, 10.97], [78.75, 11.5], [78.97, 12.03], [79.32, 12.18], [79.35, 12.25], [79.32, 12.32], [79.25, 12.35], [79.0, 12.25], [78.47, 12.47], [78.25, 13.0], [78.35, 13.25], [78.25, 13.5], [78.35, 13.75], [78.25, 14.0]]], [[[82.97, 18.97], [82.75, 19.5], [82.97, 20.03], [83.5, 20.25], [84.03, 20.03], [84.25, 19.5], [84.03, 18.97], [83.5, 18.75], [82.97, 18.97]]]]}, "2010-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.47, 14.03], [78.82, 14.18], [78.97, 14.53], [79.5, 14.75], [79.75, 14.65], [80.0, 14.75], [80.53, 14.53], [80.68, 14.18], [81.03, 14.03], [81.25, 13.5], [81.15, 13.25], [81.25, 13.0], [81.15, 12.75], [81.18, 12.68], [81.53, 12.53], [81.75, 12.0], [81.53, 11.47], [81.0, 11.25], [80.75, 11.35], [80.68, 11.32], [80.65, 11.25], [80.75, 11.0], [80.53, 10.47], [80.0, 10.25], [79.47, 10.47], [79.32, 10.82], [78.97, 10.97], [78.75, 11.5], [78.97, 12.03], [79.32, 12.18], [79.35, 12.25], [79.32, 12.32], [79.25, 12.35], [79.0, 12.25], [78.47, 12.47], [78.25, 13.0], [78.35, 13.25], [78.25, 13.5], [78.47, 14.03]]]]}, "2010-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.75, 11.5], [78.97, 12.03], [79.32, 12.18], [79.35, 12.25], [79.25, 12.5], [79.47, 13.03], [79.82, 13.18], [79.85, 13.25], [79.75, 13.5], [79.97, 14.03], [80.5, 14.25], [81.03, 14.03], [81.25, 13.5], [81.15, 13.25], [81.25, 13.0], [81.15, 12.75], [81.25, 12.5], [81.15, 12.25], [81.25, 12.0], [81.03, 11.47], [80.68, 11.32], [80.65, 11.25], [80.75, 11.0], [80.53, 10.47], [80.0, 10.25], [79.47, 10.47], [79.32, 10.82], [78.97, 10.97], [78.75, 11.5]]]]}, "2010-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 13.0], [79.97, 13.53], [80.5, 13.75], [81.03, 13.53], [81.25, 13.0], [81.15, 12.75], [81.25, 12.5], [81.03, 11.97], [80.68, 11.82], [80.53, 11.47], [80.0, 11.25], [79.47, 11.47], [79.25, 12.0], [79.47, 12.53], [79.82, 12.68], [79.85, 12.75], [79.75, 13.0]]]]}, "2010-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 13.0], [79.97, 13.53], [80.5, 13.75], [81.03, 13.53], [81.25, 13.0], [81.15, 12.75], [81.25, 12.5], [81.03, 11.97], [80.68, 11.82], [80.53, 11.47], [80.0, 11.25], [79.47, 11.47], [79.25, 12.0], [79.47, 12.53], [79.82, 12.68], [79.85, 12.75], [79.75, 13.0]]]]}, "2010-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 13.0], [79.97, 13.53], [80.5, 13.75], [81.03, 13.53], [81.25, 13.0], [81.15, 12.75], [81.25, 12.5], [81.03, 11.97], [80.68, 11.82], [80.53, 11.47], [80.0, 11.25], [79.47, 11.47], [79.25, 12.0], [79.47, 12.53], [79.82, 12.68], [79.85, 12.75], [79.75, 13.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.502294311295941}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.9419639646918188}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.451415355984352, 26.93794032891492, 26.78225016921766, 26.471471541868198, 26.467118500251843, 27.782436670104346, 28.228907162980477, 28.205598625347022, 27.955643378590025, 28.053797907997136]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.27627872085594, 22.057177534789332, 21.98455274262136, 21.635683822288343, 21.805310369384472, 26.169798895686654, 27.821612258085054, 28.19030327616406, 27.867245257577338, 27.902671985464224]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.108644898907043, -1.6301409045036963, -1.9828355500391583, -2.262978031147604, -2.4456882458107545, -1.791443780334185, -1.0922425456351386, -0.8469594180767027, -1.0971673664369632, -0.9983075714390756]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.3598103125822263, -3.1299072960920853, -3.939323227506577, -4.502294311295941, -3.5231139566778893, -2.57017168139663, -1.63049845649698, -0.9155426027549538, -1.1520662064543785, -1.1991164715374225]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5687063418416727, -1.8673438478058795, -1.6786434861154413, -1.7454353905999644, -1.700726181862368, -1.8786754138435076, -1.577632001717169, -1.4103249271683378, -1.8104351057723143, -1.6371386270808275]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.941748588152205, -2.6629571590692853, -2.3003514996478005, -2.3379574066623596, -2.78027426093266, -2.5353331136054225, -1.9152128738976293, -1.5279780783416572, -1.8950155068755656, -1.8243302284206382]}}