{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:07.603528", "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": "2014-Apr-06_to_2014-Apr-09_90.0_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": 2014040001523}, "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": "April 06 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 09 2014"}, "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": "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": 53762.90589243241}, "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": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 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": 90.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "90.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 88.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 92.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.25}, "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": {"2014-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[88.47, 30.53], [88.82, 30.68], [88.97, 31.03], [89.5, 31.25], [89.75, 31.15], [90.0, 31.25], [90.53, 31.03], [90.68, 30.68], [91.03, 30.53], [91.25, 30.0], [91.15, 29.75], [91.18, 29.68], [91.25, 29.65], [91.5, 29.75], [91.75, 29.65], [92.0, 29.75], [92.53, 29.53], [92.75, 29.0], [92.53, 28.47], [92.0, 28.25], [91.75, 28.35], [91.5, 28.25], [91.25, 28.35], [91.18, 28.32], [91.03, 27.97], [90.5, 27.75], [90.25, 27.85], [90.0, 27.75], [89.47, 27.97], [89.32, 28.32], [88.97, 28.47], [88.82, 28.82], [88.47, 28.97], [88.25, 29.5], [88.35, 29.75], [88.25, 30.0], [88.47, 30.53]]]]}, "2014-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[88.47, 30.53], [88.82, 30.68], [88.97, 31.03], [89.5, 31.25], [89.75, 31.15], [90.0, 31.25], [90.25, 31.15], [90.32, 31.18], [90.47, 31.53], [91.0, 31.75], [91.53, 31.53], [91.75, 31.0], [91.53, 30.47], [91.18, 30.32], [91.15, 30.25], [91.25, 30.0], [91.15, 29.75], [91.18, 29.68], [91.25, 29.65], [91.5, 29.75], [91.75, 29.65], [92.0, 29.75], [92.53, 29.53], [92.75, 29.0], [92.53, 28.47], [92.0, 28.25], [91.75, 28.35], [91.5, 28.25], [91.25, 28.35], [91.18, 28.32], [91.03, 27.97], [90.5, 27.75], [90.25, 27.85], [90.0, 27.75], [89.47, 27.97], [89.32, 28.32], [88.97, 28.47], [88.82, 28.82], [88.47, 28.97], [88.25, 29.5], [88.35, 29.75], [88.25, 30.0], [88.47, 30.53]]]]}, "2014-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[88.47, 30.53], [88.82, 30.68], [88.97, 31.03], [89.5, 31.25], [89.75, 31.15], [90.0, 31.25], [90.25, 31.15], [90.32, 31.18], [90.47, 31.53], [91.0, 31.75], [91.53, 31.53], [91.75, 31.0], [91.53, 30.47], [91.18, 30.32], [91.15, 30.25], [91.25, 30.0], [91.15, 29.75], [91.18, 29.68], [91.25, 29.65], [91.5, 29.75], [91.75, 29.65], [92.0, 29.75], [92.53, 29.53], [92.75, 29.0], [92.53, 28.47], [92.0, 28.25], [91.75, 28.35], [91.5, 28.25], [91.25, 28.35], [91.18, 28.32], [91.03, 27.97], [90.5, 27.75], [90.25, 27.85], [90.0, 27.75], [89.47, 27.97], [89.32, 28.32], [88.97, 28.47], [88.82, 28.82], [88.47, 28.97], [88.25, 29.5], [88.35, 29.75], [88.25, 30.0], [88.47, 30.53]]]]}, "2014-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.0, 31.75], [91.53, 31.53], [91.75, 31.0], [91.53, 30.47], [91.18, 30.32], [91.03, 29.97], [90.5, 29.75], [89.97, 29.97], [89.75, 30.5], [89.97, 31.03], [90.32, 31.18], [90.47, 31.53], [91.0, 31.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.128989278294682}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.986270023357599}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.602655959721119, 2.530264072445334, 1.6220238858477387, -1.1630895528152223]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.299069229211398, 7.045323709446052, 6.0094767860747424, -0.07072925477683611]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.557877350756371, 4.709428169584816, 3.659676801664395, 3.876154831428522]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.466362864513144, 6.128989278294682, 4.822998051914453, 3.8883330365341635]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.40000783672753, 1.854268454333911, 1.4338802880717736, 1.335230423408956]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6196312778829296, 2.207286712655526, 1.6318247232230705, 1.408660541029198]}}