{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:25.896813", "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": "2021-Feb-17_to_2021-Feb-26_95.0_27.0"}, "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": 2021020001948}, "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": "February 17 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 26 2021"}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 63277.88572048237}, "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", "Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Tibetan-Plateau"]}, "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": 27.0}, "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": 95.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "95.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 91.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 95.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.97, 26.47], [93.75, 27.0], [93.97, 27.53], [94.5, 27.75], [94.75, 27.65], [95.0, 27.75], [95.53, 27.53], [95.75, 27.0], [95.53, 26.47], [95.0, 26.25], [94.75, 26.35], [94.5, 26.25], [93.97, 26.47]]]]}, "2021-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.97, 26.47], [93.75, 27.0], [93.97, 27.53], [94.5, 27.75], [94.75, 27.65], [95.0, 27.75], [95.53, 27.53], [95.75, 27.0], [95.53, 26.47], [95.0, 26.25], [94.75, 26.35], [94.5, 26.25], [93.97, 26.47]]]]}, "2021-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.97, 26.47], [93.75, 27.0], [93.97, 27.53], [94.5, 27.75], [94.75, 27.65], [95.0, 27.75], [95.25, 27.65], [95.5, 27.75], [96.03, 27.53], [96.25, 27.0], [96.03, 26.47], [95.5, 26.25], [95.25, 26.35], [95.0, 26.25], [94.75, 26.35], [94.5, 26.25], [93.97, 26.47]]]]}, "2021-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.97, 26.47], [93.75, 27.0], [93.97, 27.53], [94.5, 27.75], [95.0, 27.54], [95.5, 27.75], [96.03, 27.53], [96.25, 27.0], [96.03, 26.47], [95.5, 26.25], [95.0, 26.46], [94.5, 26.25], [93.97, 26.47]]]]}, "2021-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.88, 27.2], [92.75, 27.5], [92.85, 27.75], [92.75, 28.0], [92.97, 28.53], [93.5, 28.75], [94.0, 28.54], [94.5, 28.75], [94.75, 28.65], [95.0, 28.75], [95.53, 28.53], [95.75, 28.0], [95.63, 27.7], [96.03, 27.53], [96.25, 27.0], [96.15, 26.75], [96.25, 26.5], [96.03, 25.97], [95.5, 25.75], [95.2, 25.88], [95.03, 25.47], [94.68, 25.32], [94.53, 24.97], [94.0, 24.75], [93.47, 24.97], [93.25, 25.5], [93.38, 25.8], [93.25, 25.85], [93.0, 25.75], [92.7, 25.88], [92.53, 25.47], [92.0, 25.25], [91.47, 25.47], [91.25, 26.0], [91.47, 26.53], [92.0, 26.75], [92.3, 26.63], [92.47, 27.03], [92.88, 27.2]]]]}, "2021-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.5, 27.25], [92.75, 27.15], [92.88, 27.2], [92.75, 27.5], [92.85, 27.75], [92.75, 28.0], [92.97, 28.53], [93.5, 28.75], [94.0, 28.54], [94.32, 28.68], [94.47, 29.03], [95.0, 29.25], [95.53, 29.03], [95.75, 28.5], [95.65, 28.25], [95.75, 28.0], [95.63, 27.7], [96.03, 27.53], [96.25, 27.0], [96.15, 26.75], [96.25, 26.5], [96.03, 25.97], [95.5, 25.75], [95.2, 25.88], [95.03, 25.47], [94.68, 25.32], [94.53, 24.97], [94.0, 24.75], [93.47, 24.97], [93.25, 25.5], [93.38, 25.8], [93.25, 25.85], [93.0, 25.75], [92.75, 25.85], [92.68, 25.82], [92.53, 25.47], [92.0, 25.25], [91.47, 25.47], [91.25, 26.0], [91.47, 26.53], [91.82, 26.68], [91.97, 27.03], [92.5, 27.25]]]]}, "2021-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.5, 27.25], [92.75, 27.15], [92.88, 27.2], [92.75, 27.5], [92.85, 27.75], [92.75, 28.0], [92.97, 28.53], [93.5, 28.75], [94.0, 28.54], [94.32, 28.68], [94.35, 28.75], [94.25, 29.0], [94.47, 29.53], [95.0, 29.75], [95.53, 29.53], [95.75, 29.0], [95.65, 28.75], [95.75, 28.5], [95.65, 28.25], [95.68, 28.18], [96.03, 28.03], [96.25, 27.5], [96.15, 27.25], [96.25, 27.0], [96.15, 26.75], [96.25, 26.5], [96.03, 25.97], [95.5, 25.75], [95.2, 25.88], [95.03, 25.47], [94.68, 25.32], [94.53, 24.97], [94.0, 24.75], [93.47, 24.97], [93.25, 25.5], [93.38, 25.8], [93.25, 25.85], [93.0, 25.75], [92.75, 25.85], [92.68, 25.82], [92.53, 25.47], [92.0, 25.25], [91.47, 25.47], [91.25, 26.0], [91.47, 26.53], [91.82, 26.68], [91.97, 27.03], [92.5, 27.25]]]]}, "2021-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.97, 25.97], [91.75, 26.5], [91.97, 27.03], [92.5, 27.25], [92.75, 27.15], [93.0, 27.25], [93.25, 27.15], [93.32, 27.18], [93.35, 27.25], [93.25, 27.5], [93.47, 28.03], [93.82, 28.18], [93.97, 28.53], [94.32, 28.68], [94.35, 28.75], [94.25, 29.0], [94.47, 29.53], [95.0, 29.75], [95.53, 29.53], [95.75, 29.0], [95.65, 28.75], [95.75, 28.5], [95.65, 28.25], [95.68, 28.18], [96.03, 28.03], [96.25, 27.5], [96.15, 27.25], [96.25, 27.0], [96.03, 26.47], [95.5, 26.25], [95.25, 26.35], [95.18, 26.32], [95.03, 25.97], [94.5, 25.75], [94.25, 25.85], [94.0, 25.75], [93.75, 25.85], [93.5, 25.75], [93.25, 25.85], [93.0, 25.75], [92.75, 25.85], [92.5, 25.75], [91.97, 25.97]]]]}, "2021-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.97, 28.03], [94.32, 28.18], [94.35, 28.25], [94.25, 28.5], [94.35, 28.75], [94.25, 29.0], [94.47, 29.53], [95.0, 29.75], [95.53, 29.53], [95.75, 29.0], [95.65, 28.75], [95.75, 28.5], [95.65, 28.25], [95.68, 28.18], [96.03, 28.03], [96.25, 27.5], [96.03, 26.97], [95.68, 26.82], [95.53, 26.47], [95.18, 26.32], [95.03, 25.97], [94.5, 25.75], [93.97, 25.97], [93.75, 26.5], [93.96, 27.0], [93.75, 27.5], [93.97, 28.03]]]]}, "2021-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.75, 27.5], [93.97, 28.03], [94.38, 28.2], [94.25, 28.5], [94.47, 29.03], [95.0, 29.25], [95.53, 29.03], [95.75, 28.5], [95.63, 28.2], [96.03, 28.03], [96.25, 27.5], [96.03, 26.97], [95.68, 26.82], [95.53, 26.47], [95.0, 26.25], [94.47, 26.47], [94.32, 26.82], [93.97, 26.97], [93.75, 27.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.10579989524615}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8066702412876245}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.285188507593375, 21.4305871207485, 20.361751810480087, 20.327795584160526, 18.592657875334282, 19.061039373118206, 19.334444593504884, 20.305392912413083, 19.24348185716849, 20.821520000276166]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.89381069967658, 22.14675580929412, 22.047609826448536, 21.980007274180025, 22.753385784709224, 23.121016167183086, 23.473970553535594, 23.421973698500096, 22.97113506652488, 23.08163668437834]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.43236109009311, 2.4911772240745904, 2.301064824691385, 2.37939348738837, 2.761717249044832, 2.869577848511932, 3.0190932847773855, 2.8547098127763944, 2.66611516804803, 2.546073301961292]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4415812813767843, 2.5939673287130063, 2.4362930770071216, 2.453829501117923, 4.061435787321386, 5.10579989524615, 3.8656367669138945, 3.3300754002576127, 2.9827499130599335, 2.8789336186434866]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4388151808042604, 1.4591128245020137, 1.3021494329971028, 1.2986313689579065, 1.4611914286219188, 1.530000545728016, 1.627840430399733, 1.5716545313540422, 1.4690898025246897, 1.471278047093167]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4884687695108056, 1.4769555652579927, 1.3755247823473837, 1.3127788704810643, 1.7872155365190705, 2.2610525392682352, 1.957979731330419, 1.911675916517714, 1.6853282443509894, 1.6520687102353013]}}