{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:41.930016", "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": "2011-Oct-14_to_2011-Oct-24_79.0_16.0"}, "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": 2011100002246}, "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": "October 14 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 24 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 137212.88016816165}, "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"]}, "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": 16.0}, "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": 79.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "79.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 76.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.0, 16.75], [81.53, 16.53], [81.75, 16.0], [81.53, 15.47], [81.0, 15.25], [80.47, 15.47], [80.25, 16.0], [80.47, 16.53], [81.0, 16.75]]]]}, "2011-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.0, 16.75], [81.53, 16.53], [81.75, 16.0], [81.53, 15.47], [81.0, 15.25], [80.47, 15.47], [80.25, 16.0], [80.47, 16.53], [81.0, 16.75]]]]}, "2011-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.47, 15.47], [78.25, 16.0], [78.47, 16.53], [79.0, 16.75], [79.25, 16.65], [79.32, 16.68], [79.47, 17.03], [80.0, 17.25], [80.53, 17.03], [80.68, 16.68], [80.75, 16.65], [81.0, 16.75], [81.53, 16.53], [81.75, 16.0], [81.53, 15.47], [81.0, 15.25], [80.75, 15.35], [80.5, 15.25], [80.0, 15.46], [79.5, 15.25], [79.25, 15.35], [79.0, 15.25], [78.47, 15.47]]]]}, "2011-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 13.97], [76.25, 14.5], [76.47, 15.03], [77.0, 15.25], [77.53, 15.03], [77.75, 14.5], [77.53, 13.97], [77.0, 13.75], [76.47, 13.97]]], [[[78.25, 16.0], [78.47, 16.53], [79.0, 16.75], [79.25, 16.65], [79.32, 16.68], [79.47, 17.03], [80.0, 17.25], [80.53, 17.03], [80.68, 16.68], [80.75, 16.65], [81.0, 16.75], [81.53, 16.53], [81.7, 16.13], [82.0, 16.25], [82.25, 16.15], [82.32, 16.18], [82.47, 16.53], [83.0, 16.75], [83.53, 16.53], [83.75, 16.0], [83.53, 15.47], [83.18, 15.32], [83.03, 14.97], [82.5, 14.75], [82.25, 14.85], [82.0, 14.75], [81.47, 14.97], [81.3, 15.37], [81.0, 15.25], [80.75, 15.35], [80.5, 15.25], [80.0, 15.46], [79.5, 15.25], [79.25, 15.35], [79.0, 15.25], [78.47, 15.47], [78.25, 16.0]]]]}, "2011-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 13.97], [76.25, 14.5], [76.47, 15.03], [77.0, 15.25], [77.53, 15.03], [77.75, 14.5], [77.53, 13.97], [77.0, 13.75], [76.47, 13.97]]], [[[78.25, 16.0], [78.47, 16.53], [79.0, 16.75], [79.25, 16.65], [79.32, 16.68], [79.47, 17.03], [80.0, 17.25], [80.53, 17.03], [80.68, 16.68], [80.75, 16.65], [81.0, 16.75], [81.53, 16.53], [81.68, 16.18], [81.75, 16.15], [82.0, 16.25], [82.25, 16.15], [82.32, 16.18], [82.47, 16.53], [83.0, 16.75], [83.53, 16.53], [83.75, 16.0], [83.53, 15.47], [83.18, 15.32], [83.03, 14.97], [82.5, 14.75], [82.25, 14.85], [82.18, 14.82], [82.03, 14.47], [81.5, 14.25], [80.97, 14.47], [80.75, 15.0], [80.85, 15.25], [80.82, 15.32], [80.75, 15.35], [80.5, 15.25], [80.0, 15.46], [79.5, 15.25], [79.25, 15.35], [79.0, 15.25], [78.47, 15.47], [78.25, 16.0]]]]}, "2011-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 15.03], [77.0, 15.25], [77.25, 15.15], [77.5, 15.25], [78.0, 15.04], [78.32, 15.18], [78.35, 15.25], [78.3, 15.37], [78.0, 15.25], [77.47, 15.47], [77.25, 16.0], [77.47, 16.53], [78.0, 16.75], [78.5, 16.54], [79.0, 16.75], [79.25, 16.65], [79.5, 16.75], [79.75, 16.65], [80.0, 16.75], [80.5, 16.54], [81.0, 16.75], [81.53, 16.53], [81.68, 16.18], [81.75, 16.15], [82.0, 16.25], [82.25, 16.15], [82.32, 16.18], [82.47, 16.53], [83.0, 16.75], [83.53, 16.53], [83.75, 16.0], [83.53, 15.47], [83.18, 15.32], [83.03, 14.97], [82.5, 14.75], [82.25, 14.85], [82.18, 14.82], [82.03, 14.47], [81.5, 14.25], [80.97, 14.47], [80.75, 15.0], [80.85, 15.25], [80.82, 15.32], [80.7, 15.37], [80.53, 14.97], [80.0, 14.75], [79.7, 14.87], [79.65, 14.75], [79.75, 14.5], [79.65, 14.25], [79.75, 14.0], [79.53, 13.47], [79.18, 13.32], [79.03, 12.97], [78.68, 12.82], [78.53, 12.47], [78.0, 12.25], [77.47, 12.47], [77.25, 13.0], [77.35, 13.25], [77.32, 13.32], [77.25, 13.35], [77.0, 13.25], [76.47, 13.47], [76.25, 14.0], [76.35, 14.25], [76.25, 14.5], [76.47, 15.03]]]]}, "2011-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 14.53], [76.82, 14.68], [76.85, 14.75], [76.75, 15.0], [76.97, 15.53], [77.32, 15.68], [77.35, 15.75], [77.25, 16.0], [77.35, 16.25], [77.25, 16.5], [77.47, 17.03], [78.0, 17.25], [78.25, 17.15], [78.5, 17.25], [78.75, 17.15], [79.0, 17.25], [79.25, 17.15], [79.5, 17.25], [79.75, 17.15], [80.0, 17.25], [80.53, 17.03], [80.75, 16.5], [80.65, 16.25], [80.75, 16.0], [80.65, 15.75], [80.75, 15.5], [80.53, 14.97], [80.13, 14.8], [80.25, 14.5], [80.15, 14.25], [80.25, 14.0], [80.03, 13.47], [79.5, 13.25], [79.25, 13.35], [79.18, 13.32], [79.03, 12.97], [78.68, 12.82], [78.53, 12.47], [78.0, 12.25], [77.47, 12.47], [77.32, 12.82], [76.97, 12.97], [76.82, 13.32], [76.47, 13.47], [76.25, 14.0], [76.47, 14.53]]], [[[82.03, 16.03], [82.25, 15.5], [82.15, 15.25], [82.25, 15.0], [82.03, 14.47], [81.5, 14.25], [80.97, 14.47], [80.75, 15.0], [80.85, 15.25], [80.75, 15.5], [80.97, 16.03], [81.5, 16.25], [82.03, 16.03]]]]}, "2011-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 16.53], [76.82, 16.68], [76.97, 17.03], [77.5, 17.25], [77.75, 17.15], [78.0, 17.25], [78.25, 17.15], [78.5, 17.25], [78.75, 17.15], [79.0, 17.25], [79.25, 17.15], [79.5, 17.25], [79.75, 17.15], [80.0, 17.25], [80.53, 17.03], [80.75, 16.5], [80.65, 16.25], [80.75, 16.0], [80.65, 15.75], [80.75, 15.5], [80.53, 14.97], [80.13, 14.8], [80.25, 14.5], [80.15, 14.25], [80.25, 14.0], [80.03, 13.47], [79.5, 13.25], [79.25, 13.35], [79.18, 13.32], [79.03, 12.97], [78.68, 12.82], [78.53, 12.47], [78.0, 12.25], [77.47, 12.47], [77.32, 12.82], [76.97, 12.97], [76.82, 13.32], [76.47, 13.47], [76.25, 14.0], [76.47, 14.53], [76.82, 14.68], [76.85, 14.75], [76.82, 14.82], [76.47, 14.97], [76.25, 15.5], [76.35, 15.75], [76.25, 16.0], [76.47, 16.53]]]]}, "2011-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 16.53], [76.82, 16.68], [76.97, 17.03], [77.5, 17.25], [77.75, 17.15], [78.0, 17.25], [78.25, 17.15], [78.5, 17.25], [78.75, 17.15], [79.0, 17.25], [79.25, 17.15], [79.5, 17.25], [79.75, 17.15], [80.0, 17.25], [80.53, 17.03], [80.75, 16.5], [80.53, 15.97], [80.0, 15.75], [79.75, 15.85], [79.68, 15.82], [79.53, 15.47], [79.18, 15.32], [79.15, 15.25], [79.18, 15.18], [79.25, 15.15], [79.5, 15.25], [80.03, 15.03], [80.25, 14.5], [80.15, 14.25], [80.25, 14.0], [80.03, 13.47], [79.5, 13.25], [79.25, 13.35], [79.18, 13.32], [79.03, 12.97], [78.5, 12.75], [78.25, 12.85], [78.0, 12.75], [77.75, 12.85], [77.5, 12.75], [76.97, 12.97], [76.82, 13.32], [76.47, 13.47], [76.25, 14.0], [76.47, 14.53], [76.82, 14.68], [76.85, 14.75], [76.82, 14.82], [76.47, 14.97], [76.25, 15.5], [76.35, 15.75], [76.25, 16.0], [76.47, 16.53]]]]}, "2011-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.03, 13.47], [77.5, 13.25], [76.97, 13.47], [76.75, 14.0], [76.97, 14.53], [77.5, 14.75], [78.03, 14.53], [78.25, 14.0], [78.03, 13.47]]], [[[76.82, 16.68], [76.97, 17.03], [77.5, 17.25], [77.75, 17.15], [78.0, 17.25], [78.25, 17.15], [78.5, 17.25], [78.75, 17.15], [79.0, 17.25], [79.25, 17.15], [79.5, 17.25], [79.75, 17.15], [80.0, 17.25], [80.53, 17.03], [80.75, 16.5], [80.53, 15.97], [80.0, 15.75], [79.75, 15.85], [79.5, 15.75], [79.25, 15.85], [79.18, 15.82], [79.03, 15.47], [78.68, 15.32], [78.53, 14.97], [78.0, 14.75], [77.75, 14.85], [77.5, 14.75], [77.25, 14.85], [77.0, 14.75], [76.47, 14.97], [76.25, 15.5], [76.35, 15.75], [76.25, 16.0], [76.47, 16.53], [76.82, 16.68]]]]}, "2011-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.5, 17.25], [77.75, 17.15], [78.0, 17.25], [78.25, 17.15], [78.5, 17.25], [79.03, 17.03], [79.25, 16.5], [79.03, 15.97], [78.68, 15.82], [78.65, 15.75], [78.75, 15.5], [78.53, 14.97], [78.0, 14.75], [77.47, 14.97], [77.32, 15.32], [77.25, 15.35], [77.0, 15.25], [76.47, 15.47], [76.25, 16.0], [76.47, 16.53], [76.82, 16.68], [76.97, 17.03], [77.5, 17.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.995819675469022}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2400559893739844}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.95697516039496, 29.7129669751493, 29.348628188578402, 29.005959530947564, 29.01983996425747, 28.49388775833063, 28.785963457680623, 29.224615983323076, 28.545165559604527, 28.637725327120734, 28.681624459408283]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.95697516039496, 29.7129669751493, 29.764560200301673, 29.677450958967995, 29.542694716502353, 30.8695760041648, 31.55314969832108, 31.64508210234584, 30.818567404793328, 29.687681910131403, 29.41444243584766]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4121197401309473, 1.2619326353345173, 1.6618141092947099, 1.4780478046163745, 1.4976055831543094, 1.9582719562958573, 2.3304077612638157, 2.8622575238442436, 2.308602869889379, 2.103702877424642, 2.193823278895585]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4121197401309473, 1.2619326353345173, 2.202702457490716, 1.952808814208197, 2.0131927523450486, 3.1171957326037045, 3.5989782564940924, 3.995819675469022, 3.0897033304788124, 2.827763655838112, 2.5484646738175343]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3840303733115713, 1.245408218828526, 1.4891241401875133, 1.4120188003456056, 1.4728840507256764, 1.5760253767707118, 1.7712565638566158, 2.1912453761304236, 1.7785946301765314, 1.6617199378965977, 1.742476688055879]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3840303733115713, 1.245408218828526, 1.8207772720415252, 1.6226234537604651, 1.650594852350543, 2.155014882220757, 2.357991756195281, 2.9993084660551745, 2.535211450473186, 1.9643538677754442, 2.061092394988273]}}