{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:34.852819", "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": "2019-Sep-13_to_2019-Sep-24_76.0_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": 2019090001926}, "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": "September 13 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 24 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 12}, "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": 105704.7767290005}, "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": ["Laccadive Sea"]}, "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": 76.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "76.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 78.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.96, 13.5], [74.75, 14.0], [74.97, 14.53], [75.5, 14.75], [75.75, 14.65], [76.0, 14.75], [76.5, 14.54], [77.0, 14.75], [77.5, 14.54], [78.0, 14.75], [78.53, 14.53], [78.75, 14.0], [78.65, 13.75], [78.75, 13.5], [78.53, 12.97], [78.0, 12.75], [77.75, 12.85], [77.68, 12.82], [77.53, 12.47], [77.0, 12.25], [76.75, 12.35], [76.68, 12.32], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.03, 10.47], [76.5, 10.25], [76.25, 10.35], [76.0, 10.25], [75.47, 10.47], [75.25, 11.0], [75.35, 11.25], [75.32, 11.32], [74.97, 11.47], [74.75, 12.0], [74.96, 12.5], [74.75, 13.0], [74.96, 13.5]]]]}, "2019-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.96, 13.5], [74.75, 14.0], [74.97, 14.53], [75.5, 14.75], [75.75, 14.65], [76.0, 14.75], [76.5, 14.54], [77.0, 14.75], [77.5, 14.54], [78.0, 14.75], [78.53, 14.53], [78.75, 14.0], [78.65, 13.75], [78.75, 13.5], [78.53, 12.97], [78.0, 12.75], [77.75, 12.85], [77.68, 12.82], [77.53, 12.47], [77.0, 12.25], [76.75, 12.35], [76.68, 12.32], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.03, 10.47], [76.5, 10.25], [76.25, 10.35], [76.0, 10.25], [75.47, 10.47], [75.25, 11.0], [75.35, 11.25], [75.32, 11.32], [74.97, 11.47], [74.75, 12.0], [74.96, 12.5], [74.75, 13.0], [74.96, 13.5]]]]}, "2019-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.96, 13.5], [74.75, 14.0], [74.97, 14.53], [75.5, 14.75], [75.75, 14.65], [76.0, 14.75], [76.5, 14.54], [77.0, 14.75], [77.5, 14.54], [78.0, 14.75], [78.53, 14.53], [78.75, 14.0], [78.65, 13.75], [78.75, 13.5], [78.53, 12.97], [78.0, 12.75], [77.75, 12.85], [77.68, 12.82], [77.53, 12.47], [77.0, 12.25], [76.75, 12.35], [76.68, 12.32], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.03, 10.47], [76.5, 10.25], [76.25, 10.35], [76.0, 10.25], [75.47, 10.47], [75.25, 11.0], [75.35, 11.25], [75.32, 11.32], [74.97, 11.47], [74.75, 12.0], [74.96, 12.5], [74.75, 13.0], [74.96, 13.5]]]]}, "2019-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 11.5], [74.97, 12.03], [75.5, 12.25], [75.75, 12.15], [76.0, 12.25], [76.53, 12.03], [76.68, 11.68], [77.03, 11.53], [77.25, 11.0], [77.03, 10.47], [76.5, 10.25], [76.25, 10.35], [76.0, 10.25], [75.47, 10.47], [75.32, 10.82], [74.97, 10.97], [74.75, 11.5]]]]}, "2019-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 11.5], [74.97, 12.03], [75.32, 12.18], [75.35, 12.25], [75.25, 12.5], [75.35, 12.75], [75.25, 13.0], [75.47, 13.53], [76.0, 13.75], [76.53, 13.53], [76.75, 13.0], [76.65, 12.75], [76.75, 12.5], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.03, 10.47], [76.5, 10.25], [76.25, 10.35], [76.0, 10.25], [75.47, 10.47], [75.32, 10.82], [74.97, 10.97], [74.75, 11.5]]]]}, "2019-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.97, 13.03], [75.32, 13.18], [75.47, 13.53], [76.0, 13.75], [76.53, 13.53], [76.75, 13.0], [76.65, 12.75], [76.75, 12.5], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.03, 10.47], [76.5, 10.25], [76.25, 10.35], [76.0, 10.25], [75.47, 10.47], [75.32, 10.82], [74.97, 10.97], [74.75, 11.5], [74.96, 12.0], [74.75, 12.5], [74.97, 13.03]]]]}, "2019-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 12.5], [74.97, 13.03], [75.32, 13.18], [75.47, 13.53], [76.0, 13.75], [76.53, 13.53], [76.75, 13.0], [76.65, 12.75], [76.75, 12.5], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.03, 10.97], [76.5, 10.75], [75.97, 10.97], [75.82, 11.32], [75.47, 11.47], [75.32, 11.82], [74.97, 11.97], [74.75, 12.5]]]]}, "2019-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.97, 13.03], [75.5, 13.25], [75.75, 13.15], [76.0, 13.25], [76.53, 13.03], [76.68, 12.68], [77.03, 12.53], [77.25, 12.0], [77.15, 11.75], [77.25, 11.5], [77.15, 11.25], [77.18, 11.18], [77.53, 11.03], [77.75, 10.5], [77.65, 10.25], [77.75, 10.0], [77.65, 9.75], [77.75, 9.5], [77.65, 9.25], [77.75, 9.0], [77.53, 8.47], [77.0, 8.25], [76.47, 8.47], [76.32, 8.82], [75.97, 8.97], [75.75, 9.5], [75.85, 9.75], [75.75, 10.0], [75.85, 10.25], [75.82, 10.32], [75.47, 10.47], [75.32, 10.82], [74.97, 10.97], [74.75, 11.5], [74.96, 12.0], [74.75, 12.5], [74.97, 13.03]]]]}, "2019-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.35, 13.25], [74.25, 13.5], [74.47, 14.03], [75.0, 14.25], [75.5, 14.04], [76.0, 14.25], [76.25, 14.15], [76.5, 14.25], [77.03, 14.03], [77.25, 13.5], [77.03, 12.97], [76.63, 12.8], [76.68, 12.68], [77.03, 12.53], [77.25, 12.0], [77.15, 11.75], [77.25, 11.5], [77.15, 11.25], [77.18, 11.18], [77.53, 11.03], [77.75, 10.5], [77.65, 10.25], [77.75, 10.0], [77.65, 9.75], [77.75, 9.5], [77.65, 9.25], [77.75, 9.0], [77.53, 8.47], [77.0, 8.25], [76.47, 8.47], [76.32, 8.82], [75.97, 8.97], [75.75, 9.5], [75.85, 9.75], [75.75, 10.0], [75.85, 10.25], [75.82, 10.32], [75.47, 10.47], [75.32, 10.82], [74.97, 10.97], [74.75, 11.5], [74.85, 11.75], [74.82, 11.82], [74.47, 11.97], [74.25, 12.5], [74.35, 12.75], [74.25, 13.0], [74.35, 13.25]]]]}, "2019-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 14.03], [74.5, 14.25], [74.75, 14.15], [75.0, 14.25], [75.5, 14.04], [76.0, 14.25], [76.25, 14.15], [76.5, 14.25], [77.03, 14.03], [77.25, 13.5], [77.03, 12.97], [76.63, 12.8], [76.68, 12.68], [77.03, 12.53], [77.25, 12.0], [77.15, 11.75], [77.25, 11.5], [77.15, 11.25], [77.18, 11.18], [77.53, 11.03], [77.75, 10.5], [77.65, 10.25], [77.75, 10.0], [77.65, 9.75], [77.75, 9.5], [77.65, 9.25], [77.75, 9.0], [77.53, 8.47], [77.0, 8.25], [76.47, 8.47], [76.32, 8.82], [75.97, 8.97], [75.75, 9.5], [75.85, 9.75], [75.75, 10.0], [75.85, 10.25], [75.82, 10.32], [75.47, 10.47], [75.32, 10.82], [74.97, 10.97], [74.75, 11.5], [74.85, 11.75], [74.82, 11.82], [74.47, 11.97], [74.32, 12.32], [73.97, 12.47], [73.75, 13.0], [73.85, 13.25], [73.75, 13.5], [73.97, 14.03]]]]}, "2019-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 14.03], [74.5, 14.25], [74.75, 14.15], [75.0, 14.25], [75.5, 14.04], [76.0, 14.25], [76.25, 14.15], [76.5, 14.25], [77.03, 14.03], [77.25, 13.5], [77.03, 12.97], [76.63, 12.8], [76.75, 12.5], [76.65, 12.25], [76.75, 12.0], [76.53, 11.47], [76.18, 11.32], [76.03, 10.97], [75.5, 10.75], [74.97, 10.97], [74.75, 11.5], [74.85, 11.75], [74.82, 11.82], [74.47, 11.97], [74.32, 12.32], [73.97, 12.47], [73.75, 13.0], [73.85, 13.25], [73.75, 13.5], [73.97, 14.03]]]]}, "2019-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 14.03], [74.5, 14.25], [75.03, 14.03], [75.18, 13.68], [75.53, 13.53], [75.75, 13.0], [75.65, 12.75], [75.75, 12.5], [75.53, 11.97], [75.0, 11.75], [74.47, 11.97], [74.32, 12.32], [73.97, 12.47], [73.75, 13.0], [73.85, 13.25], [73.75, 13.5], [73.97, 14.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8009659622750291}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1775640598504402}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.66765268017963, 24.88731819440767, 24.52191000571753, 25.59292263720721, 24.04060934932113, 23.996785574145065, 22.775607568557916, 25.10898015608683, 25.671664258977387, 25.833516871866777, 25.68806822838252, 27.116797104148816]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.300840205545853, 27.484038888081216, 27.162194670562883, 27.307113031374513, 27.512668708530157, 27.137505471467932, 24.221606511253185, 28.14630453807206, 28.39367905408568, 28.203162074750082, 27.42557293452404, 27.15728899908146]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1080652871649477, 1.3448564429693248, 0.9889672947235055, 0.8043486081515994, 0.9109884517038225, 0.8334744729362582, 0.8936999140154966, 1.103234857154785, 1.4771784997525204, 1.4415028192810837, 1.1006336489627853, 0.841918624449832]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.419192600776455, 1.5784912103146667, 1.2841012974184878, 0.9762179161187419, 1.2633495009984586, 1.076391120682615, 1.0517335095309477, 1.6065201778395135, 1.7578861604158078, 1.8009659622750291, 1.4198479292127786, 1.0103292470048473]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.493024952556332, 1.8585513593407341, 1.4021406797515907, 1.4595851730863432, 1.7204298263421034, 1.5437316641275174, 1.589513529826204, 1.7592258197019068, 2.3512710453971315, 2.2880458219950026, 1.7973635739517584, 1.5035668635252397]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8003835946620301, 2.307597282290151, 1.743811193040137, 1.6709887343630627, 2.334416639622972, 2.0693613159351463, 1.8630309838169927, 2.315216162434841, 2.863583854626149, 2.8728558066300542, 2.186802224150154, 1.780170483000597]}}