{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:11.032236", "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": "2017-Jan-19_to_2017-Jan-23_55.5_25.0"}, "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": 2017010002093}, "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": "January 19 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 23 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 136005.81017468622}, "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": ["Oman", "Saudi Arabia", "United Arab Emirates"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "W.C.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": ["Gulf of Oman", "Persian Gulf"]}, "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": 25.0}, "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": 55.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "55.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 53.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 58.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 22.97], [57.75, 23.5], [57.97, 24.03], [58.5, 24.25], [59.03, 24.03], [59.25, 23.5], [59.03, 22.97], [58.5, 22.75], [57.97, 22.97]]], [[[56.25, 24.0], [56.47, 24.53], [57.0, 24.75], [57.53, 24.53], [57.75, 24.0], [57.53, 23.47], [57.0, 23.25], [56.47, 23.47], [56.25, 24.0]]], [[[56.03, 26.03], [56.25, 25.5], [56.15, 25.25], [56.25, 25.0], [56.03, 24.47], [55.5, 24.25], [54.97, 24.47], [54.75, 25.0], [54.85, 25.25], [54.75, 25.5], [54.97, 26.03], [55.5, 26.25], [56.03, 26.03]]]]}, "2017-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 22.97], [57.75, 23.5], [57.97, 24.03], [58.5, 24.25], [59.03, 24.03], [59.25, 23.5], [59.03, 22.97], [58.5, 22.75], [57.97, 22.97]]], [[[54.0, 26.25], [54.53, 26.03], [54.7, 25.63], [54.82, 25.68], [54.97, 26.03], [55.32, 26.18], [55.47, 26.53], [56.0, 26.75], [56.53, 26.53], [56.75, 26.0], [56.65, 25.75], [56.75, 25.5], [56.65, 25.25], [56.75, 25.0], [56.65, 24.75], [56.68, 24.68], [56.75, 24.65], [57.0, 24.75], [57.53, 24.53], [57.75, 24.0], [57.53, 23.47], [57.0, 23.25], [56.75, 23.35], [56.68, 23.32], [56.53, 22.97], [56.0, 22.75], [55.75, 22.85], [55.5, 22.75], [54.97, 22.97], [54.82, 23.32], [54.47, 23.47], [54.32, 23.82], [53.97, 23.97], [53.82, 24.32], [53.47, 24.47], [53.25, 25.0], [53.35, 25.25], [53.25, 25.5], [53.47, 26.03], [54.0, 26.25]]]]}, "2017-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.35, 22.25], [53.25, 22.5], [53.35, 22.75], [53.25, 23.0], [53.35, 23.25], [53.25, 23.5], [53.47, 24.03], [53.82, 24.18], [53.85, 24.25], [53.82, 24.32], [53.47, 24.47], [53.25, 25.0], [53.35, 25.25], [53.25, 25.5], [53.47, 26.03], [54.0, 26.25], [54.53, 26.03], [54.68, 25.68], [54.75, 25.65], [54.82, 25.68], [54.97, 26.03], [55.32, 26.18], [55.47, 26.53], [56.0, 26.75], [56.53, 26.53], [56.75, 26.0], [56.65, 25.75], [56.75, 25.5], [56.65, 25.25], [56.75, 25.0], [56.65, 24.75], [56.68, 24.68], [56.75, 24.65], [57.0, 24.75], [57.25, 24.65], [57.5, 24.75], [58.03, 24.53], [58.18, 24.18], [58.25, 24.15], [58.5, 24.25], [59.03, 24.03], [59.25, 23.5], [59.03, 22.97], [58.5, 22.75], [58.25, 22.85], [58.0, 22.75], [57.47, 22.97], [57.32, 23.32], [57.25, 23.35], [57.18, 23.32], [57.15, 23.25], [57.25, 23.0], [57.15, 22.75], [57.25, 22.5], [57.15, 22.25], [57.25, 22.0], [57.15, 21.75], [57.25, 21.5], [57.03, 20.97], [56.5, 20.75], [55.97, 20.97], [55.82, 21.32], [55.75, 21.35], [55.5, 21.25], [55.25, 21.35], [55.0, 21.25], [54.75, 21.35], [54.68, 21.32], [54.53, 20.97], [54.0, 20.75], [53.47, 20.97], [53.25, 21.5], [53.35, 21.75], [53.25, 22.0], [53.35, 22.25]]]]}, "2017-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.35, 22.25], [53.25, 22.5], [53.35, 22.75], [53.25, 23.0], [53.35, 23.25], [53.25, 23.5], [53.47, 24.03], [53.82, 24.18], [53.85, 24.25], [53.82, 24.32], [53.47, 24.47], [53.25, 25.0], [53.35, 25.25], [53.25, 25.5], [53.47, 26.03], [54.0, 26.25], [54.53, 26.03], [54.68, 25.68], [54.75, 25.65], [54.82, 25.68], [54.97, 26.03], [55.32, 26.18], [55.47, 26.53], [56.0, 26.75], [56.53, 26.53], [56.75, 26.0], [56.65, 25.75], [56.75, 25.5], [56.65, 25.25], [56.75, 25.0], [56.65, 24.75], [56.68, 24.68], [56.75, 24.65], [57.0, 24.75], [57.25, 24.65], [57.5, 24.75], [58.03, 24.53], [58.18, 24.18], [58.25, 24.15], [58.5, 24.25], [59.03, 24.03], [59.25, 23.5], [59.03, 22.97], [58.5, 22.75], [58.25, 22.85], [58.0, 22.75], [57.47, 22.97], [57.32, 23.32], [57.25, 23.35], [57.18, 23.32], [57.15, 23.25], [57.25, 23.0], [57.15, 22.75], [57.25, 22.5], [57.15, 22.25], [57.25, 22.0], [57.15, 21.75], [57.25, 21.5], [57.03, 20.97], [56.5, 20.75], [55.97, 20.97], [55.82, 21.32], [55.75, 21.35], [55.5, 21.25], [55.25, 21.35], [55.0, 21.25], [54.75, 21.35], [54.68, 21.32], [54.53, 20.97], [54.0, 20.75], [53.47, 20.97], [53.25, 21.5], [53.35, 21.75], [53.25, 22.0], [53.35, 22.25]]]]}, "2017-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.35, 22.25], [53.25, 22.5], [53.35, 22.75], [53.25, 23.0], [53.35, 23.25], [53.25, 23.5], [53.47, 24.03], [53.82, 24.18], [53.85, 24.25], [53.75, 24.5], [53.85, 24.75], [53.75, 25.0], [53.97, 25.53], [54.5, 25.75], [54.75, 25.65], [54.82, 25.68], [54.97, 26.03], [55.5, 26.25], [55.75, 26.15], [56.0, 26.25], [56.53, 26.03], [56.75, 25.5], [56.65, 25.25], [56.75, 25.0], [56.65, 24.75], [56.68, 24.68], [56.75, 24.65], [57.0, 24.75], [57.25, 24.65], [57.5, 24.75], [58.03, 24.53], [58.18, 24.18], [58.25, 24.15], [58.5, 24.25], [59.03, 24.03], [59.25, 23.5], [59.03, 22.97], [58.5, 22.75], [58.25, 22.85], [58.0, 22.75], [57.47, 22.97], [57.32, 23.32], [57.25, 23.35], [57.18, 23.32], [57.15, 23.25], [57.25, 23.0], [57.15, 22.75], [57.25, 22.5], [57.15, 22.25], [57.25, 22.0], [57.15, 21.75], [57.25, 21.5], [57.03, 20.97], [56.5, 20.75], [55.97, 20.97], [55.82, 21.32], [55.75, 21.35], [55.5, 21.25], [55.25, 21.35], [55.0, 21.25], [54.75, 21.35], [54.68, 21.32], [54.53, 20.97], [54.0, 20.75], [53.47, 20.97], [53.25, 21.5], [53.35, 21.75], [53.25, 22.0], [53.35, 22.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.778901424510821}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9632349162034552}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.138095918751787, 21.97962875378147, 22.487832673043044, 23.43679630792286, 23.043830916519084]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.635487350652056, 23.008901374998175, 23.760010184110683, 24.705136227036917, 25.526449507040695]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5068423746538855, 3.2558890827666147, 3.5970179029251277, 4.5505250259687235, 4.171256654060385]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.1206235746842594, 4.442214512725627, 5.217026314480165, 5.778901424510821, 5.049957722305521]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4999796543711716, 1.708476009921574, 1.7360142892948607, 2.1944292232270426, 1.9633574955850979]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6064710018527835, 2.276268134918481, 2.7979258947723857, 3.1391484870909525, 3.1193564871148944]}}