{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:39.394259", "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-Jun-27_to_2014-Jul-04_61.5_26.5"}, "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": 2014060001053}, "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": "June 27 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 04 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 58223.361178032545}, "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": ["Iran", "Pakistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "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": []}, "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": 26.5}, "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": 61.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "61.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 58.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 64.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 25.97], [57.75, 26.5], [57.97, 27.03], [58.5, 27.25], [58.75, 27.15], [59.0, 27.25], [59.25, 27.15], [59.5, 27.25], [59.75, 27.15], [60.0, 27.25], [60.25, 27.15], [60.5, 27.25], [60.75, 27.15], [61.0, 27.25], [61.25, 27.15], [61.5, 27.25], [61.75, 27.15], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [63.0, 27.25], [63.25, 27.15], [63.5, 27.25], [64.03, 27.03], [64.25, 26.5], [64.03, 25.97], [63.5, 25.75], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.5, 25.75], [62.25, 25.85], [62.0, 25.75], [61.75, 25.85], [61.68, 25.82], [61.53, 25.47], [61.0, 25.25], [60.75, 25.35], [60.5, 25.25], [60.25, 25.35], [60.18, 25.32], [60.03, 24.97], [59.5, 24.75], [58.97, 24.97], [58.75, 25.5], [58.85, 25.75], [58.82, 25.82], [58.75, 25.85], [58.5, 25.75], [57.97, 25.97]]]]}, "2014-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 25.97], [57.75, 26.5], [57.97, 27.03], [58.5, 27.25], [58.75, 27.15], [59.0, 27.25], [59.25, 27.15], [59.5, 27.25], [59.75, 27.15], [60.0, 27.25], [60.25, 27.15], [60.5, 27.25], [60.75, 27.15], [61.0, 27.25], [61.25, 27.15], [61.5, 27.25], [61.75, 27.15], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [63.0, 27.25], [63.25, 27.15], [63.5, 27.25], [63.75, 27.15], [64.0, 27.25], [64.53, 27.03], [64.75, 26.5], [64.65, 26.25], [64.75, 26.0], [64.53, 25.47], [64.0, 25.25], [63.47, 25.47], [63.32, 25.82], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.68, 25.82], [62.53, 25.47], [62.0, 25.25], [61.75, 25.35], [61.68, 25.32], [61.53, 24.97], [61.0, 24.75], [60.47, 24.97], [60.32, 25.32], [60.25, 25.35], [60.18, 25.32], [60.03, 24.97], [59.5, 24.75], [58.97, 24.97], [58.75, 25.5], [58.85, 25.75], [58.82, 25.82], [58.75, 25.85], [58.5, 25.75], [57.97, 25.97]]]]}, "2014-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 25.97], [57.75, 26.5], [57.97, 27.03], [58.5, 27.25], [58.75, 27.15], [59.0, 27.25], [59.25, 27.15], [59.5, 27.25], [59.75, 27.15], [60.0, 27.25], [60.25, 27.15], [60.5, 27.25], [60.75, 27.15], [61.0, 27.25], [61.25, 27.15], [61.5, 27.25], [61.75, 27.15], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [63.0, 27.25], [63.25, 27.15], [63.5, 27.25], [63.75, 27.15], [64.0, 27.25], [64.53, 27.03], [64.75, 26.5], [64.65, 26.25], [64.75, 26.0], [64.53, 25.47], [64.0, 25.25], [63.47, 25.47], [63.32, 25.82], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.68, 25.82], [62.53, 25.47], [62.0, 25.25], [61.75, 25.35], [61.68, 25.32], [61.53, 24.97], [61.0, 24.75], [60.47, 24.97], [60.32, 25.32], [60.25, 25.35], [60.18, 25.32], [60.03, 24.97], [59.5, 24.75], [58.97, 24.97], [58.75, 25.5], [58.85, 25.75], [58.82, 25.82], [58.75, 25.85], [58.5, 25.75], [57.97, 25.97]]]]}, "2014-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[59.47, 25.47], [59.25, 26.0], [59.47, 26.53], [60.0, 26.75], [60.25, 26.65], [60.32, 26.68], [60.47, 27.03], [61.0, 27.25], [61.25, 27.15], [61.5, 27.25], [61.75, 27.15], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [63.0, 27.25], [63.25, 27.15], [63.5, 27.25], [63.75, 27.15], [64.0, 27.25], [64.53, 27.03], [64.75, 26.5], [64.65, 26.25], [64.75, 26.0], [64.53, 25.47], [64.0, 25.25], [63.47, 25.47], [63.32, 25.82], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.68, 25.82], [62.53, 25.47], [62.0, 25.25], [61.75, 25.35], [61.68, 25.32], [61.53, 24.97], [61.0, 24.75], [60.47, 24.97], [60.32, 25.32], [60.25, 25.35], [60.0, 25.25], [59.47, 25.47]]]]}, "2014-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.47, 25.97], [61.25, 26.5], [61.47, 27.03], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [63.0, 27.25], [63.25, 27.15], [63.5, 27.25], [63.75, 27.15], [64.0, 27.25], [64.53, 27.03], [64.75, 26.5], [64.53, 25.97], [64.0, 25.75], [63.75, 25.85], [63.5, 25.75], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.5, 25.75], [62.25, 25.85], [62.0, 25.75], [61.47, 25.97]]]]}, "2014-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.75, 26.5], [60.97, 27.03], [61.5, 27.25], [61.75, 27.15], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [63.0, 27.25], [63.25, 27.15], [63.5, 27.25], [63.75, 27.15], [64.0, 27.25], [64.53, 27.03], [64.75, 26.5], [64.53, 25.97], [64.0, 25.75], [63.75, 25.85], [63.5, 25.75], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.68, 25.82], [62.53, 25.47], [62.0, 25.25], [61.47, 25.47], [61.32, 25.82], [60.97, 25.97], [60.75, 26.5]]]]}, "2014-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.75, 26.5], [60.97, 27.03], [61.5, 27.25], [61.75, 27.15], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [63.0, 27.25], [63.53, 27.03], [63.75, 26.5], [63.53, 25.97], [63.0, 25.75], [62.75, 25.85], [62.68, 25.82], [62.53, 25.47], [62.0, 25.25], [61.47, 25.47], [61.32, 25.82], [60.97, 25.97], [60.75, 26.5]]]]}, "2014-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.75, 26.5], [60.97, 27.03], [61.5, 27.25], [62.03, 27.03], [62.18, 26.68], [62.53, 26.53], [62.75, 26.0], [62.53, 25.47], [62.0, 25.25], [61.47, 25.47], [61.32, 25.82], [60.97, 25.97], [60.75, 26.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.804222612887486}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.8797318038657123}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.00041377796356, 30.75010406441521, 30.666660674425202, 30.58040323323081, 29.862181256350368, 29.871312027752992, 30.07761463290649, 30.704325367165325]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.36705809108463, 29.411063381107795, 28.711718987418635, 28.54217616445692, 29.333317553243603, 28.873316571754742, 29.117267843668742, 29.481487342501055]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.8549533526691278, -2.9724645359355413, -3.016147743154309, -2.863553960659528, -2.6235116403189864, -2.7961180391012186, -2.632746343625217, -2.3358055027619855]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.4747938912849463, -3.53671792908591, -3.804222612887486, -3.7181010884339685, -2.766333837144998, -3.148156072009442, -3.2969712734583823, -2.7838980866630436]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4217825775988155, -1.512705239521237, -1.559173473589075, -1.4747198784324191, -1.35770700755645, -1.4178621207750428, -1.2584716072939972, -1.1316391236371346]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7284644993564684, -1.8360835316289612, -1.8533704662252246, -1.9757762429606012, -1.4774856652939075, -1.5847797344458316, -1.511615758567655, -1.2415768624491212]}}