{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:25.890124", "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": "2026-Jan-11_to_2026-Jan-16_22.5_4.5"}, "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": 2026010001562}, "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 11 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 16 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 104881.70258098422}, "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": ["Central African Republic", "Congo", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 4.5}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 17.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.0, 3.75], [20.53, 3.53], [20.75, 3.0], [20.53, 2.47], [20.0, 2.25], [19.47, 2.47], [19.25, 3.0], [19.47, 3.53], [20.0, 3.75]]]]}, "2026-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, 2.5], [17.47, 3.03], [18.0, 3.25], [18.25, 3.15], [18.5, 3.25], [18.75, 3.15], [18.82, 3.18], [18.96, 3.5], [18.75, 4.0], [18.97, 4.53], [19.32, 4.68], [19.47, 5.03], [20.0, 5.25], [20.53, 5.03], [20.75, 4.5], [20.53, 3.97], [20.18, 3.82], [20.13, 3.7], [20.5, 3.54], [20.82, 3.68], [20.97, 4.03], [21.32, 4.18], [21.47, 4.53], [21.82, 4.68], [21.97, 5.03], [22.5, 5.25], [22.8, 5.13], [22.97, 5.53], [23.5, 5.75], [24.03, 5.53], [24.25, 5.0], [24.04, 4.5], [24.25, 4.0], [24.03, 3.47], [23.5, 3.25], [23.25, 3.35], [23.18, 3.32], [23.03, 2.97], [22.5, 2.75], [22.2, 2.88], [22.03, 2.47], [21.5, 2.25], [21.25, 2.35], [21.0, 2.25], [20.7, 2.38], [20.53, 1.97], [20.0, 1.75], [19.7, 1.87], [19.53, 1.47], [19.0, 1.25], [18.75, 1.35], [18.5, 1.25], [17.97, 1.47], [17.82, 1.82], [17.47, 1.97], [17.25, 2.5]]]]}, "2026-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, 2.5], [17.47, 3.03], [18.0, 3.25], [18.25, 3.15], [18.5, 3.25], [18.75, 3.15], [18.82, 3.18], [18.96, 3.5], [18.75, 4.0], [18.97, 4.53], [19.32, 4.68], [19.47, 5.03], [20.0, 5.25], [20.25, 5.15], [20.5, 5.25], [21.03, 5.03], [21.18, 4.68], [21.25, 4.65], [21.32, 4.68], [21.35, 4.75], [21.25, 5.0], [21.47, 5.53], [21.82, 5.68], [21.97, 6.03], [22.5, 6.25], [23.03, 6.03], [23.2, 5.63], [23.5, 5.75], [24.03, 5.53], [24.18, 5.18], [24.53, 5.03], [24.75, 4.5], [24.53, 3.97], [24.18, 3.82], [24.03, 3.47], [23.5, 3.25], [23.25, 3.35], [23.18, 3.32], [23.15, 3.25], [23.25, 3.0], [23.03, 2.47], [22.5, 2.25], [22.25, 2.35], [22.13, 2.3], [22.25, 2.0], [22.03, 1.47], [21.5, 1.25], [20.97, 1.47], [20.82, 1.82], [20.5, 1.96], [20.0, 1.75], [19.7, 1.87], [19.53, 1.47], [19.0, 1.25], [18.75, 1.35], [18.5, 1.25], [17.97, 1.47], [17.82, 1.82], [17.47, 1.97], [17.25, 2.5]]]]}, "2026-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, 2.5], [17.47, 3.03], [18.0, 3.25], [18.25, 3.15], [18.5, 3.25], [18.75, 3.15], [18.82, 3.18], [18.96, 3.5], [18.75, 4.0], [18.97, 4.53], [19.32, 4.68], [19.47, 5.03], [20.0, 5.25], [20.25, 5.15], [20.5, 5.25], [21.03, 5.03], [21.18, 4.68], [21.25, 4.65], [21.32, 4.68], [21.35, 4.75], [21.25, 5.0], [21.47, 5.53], [21.82, 5.68], [21.97, 6.03], [22.5, 6.25], [23.03, 6.03], [23.2, 5.63], [23.5, 5.75], [24.03, 5.53], [24.18, 5.18], [24.53, 5.03], [24.75, 4.5], [24.53, 3.97], [24.18, 3.82], [24.03, 3.47], [23.5, 3.25], [23.25, 3.35], [23.18, 3.32], [23.15, 3.25], [23.25, 3.0], [23.03, 2.47], [22.5, 2.25], [22.25, 2.35], [22.13, 2.3], [22.25, 2.0], [22.03, 1.47], [21.5, 1.25], [20.97, 1.47], [20.82, 1.82], [20.5, 1.96], [20.0, 1.75], [19.7, 1.87], [19.53, 1.47], [19.0, 1.25], [18.75, 1.35], [18.5, 1.25], [17.97, 1.47], [17.82, 1.82], [17.47, 1.97], [17.25, 2.5]]]]}, "2026-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.96, 4.0], [19.75, 4.5], [19.97, 5.03], [20.5, 5.25], [21.03, 5.03], [21.18, 4.68], [21.25, 4.65], [21.32, 4.68], [21.35, 4.75], [21.25, 5.0], [21.47, 5.53], [21.82, 5.68], [21.97, 6.03], [22.5, 6.25], [23.03, 6.03], [23.2, 5.63], [23.5, 5.75], [24.03, 5.53], [24.18, 5.18], [24.53, 5.03], [24.75, 4.5], [24.53, 3.97], [24.18, 3.82], [24.03, 3.47], [23.5, 3.25], [23.25, 3.35], [23.18, 3.32], [23.15, 3.25], [23.25, 3.0], [23.03, 2.47], [22.5, 2.25], [22.25, 2.35], [22.13, 2.3], [22.25, 2.0], [22.03, 1.47], [21.5, 1.25], [20.97, 1.47], [20.82, 1.82], [20.47, 1.97], [20.32, 2.32], [19.97, 2.47], [19.75, 3.0], [19.85, 3.25], [19.75, 3.5], [19.96, 4.0]]]]}, "2026-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.5, 5.25], [23.03, 5.03], [23.25, 4.5], [23.03, 3.97], [22.5, 3.75], [21.97, 3.97], [21.75, 4.5], [21.97, 5.03], [22.5, 5.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3463781570933975}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2486129429591757}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.900254821777366, 27.563055928548238, 28.02138896268957, 28.097267704384024, 28.322907172309044, 27.936704254150413]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.900254821777366, 28.91693776448568, 28.848125712076865, 29.429385121663415, 29.089532470703148, 27.936704254150413]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7443053367168204, 1.9770018972831338, 2.2648605994897415, 2.3009662182693527, 2.3973581060518043, 2.282825865914049]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7443053367168204, 2.5460359626587206, 2.7108997613244696, 3.1882751504024327, 3.3463781570933975, 2.282825865914049]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3006973921790446, 1.402649465484045, 1.604187538557745, 1.606672727296936, 1.5823133393717155, 1.4489598128821093]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3006973921790446, 1.5470684026026733, 1.9750331269393309, 1.9248062585983752, 2.146644931993761, 1.4489598128821093]}}