Discussed in the following Daily reports:
Material from: Linus
Discussed in the following Daily reports: |
During the last days of June and beginning of July, Argentina (and Uruguay) were hit but unusually cold temperatures.
https://www.infobae.com/sociedad/2025/07/01/como-sigue-la-ola-polar-rigen-nuevas-alertas-por-bajas-temperaturas-en-todo-el-pais/
https://www.lanacion.com.ar/clima/ola-polar-en-argentina-hasta-cuando-durara-nid30062025/
https://www.infobae.com/america/ciencia-america/2025/06/30/alerta-por-frio-intenso-manana-podria-registrarsla-temperatura-mas-baja-del-ano-en-el-amba/
https://www.independent.co.uk/news/world/americas/uruguay-cold-snap-state-emergency-b2778071.html
Currently based on the 3-day mean temperature 30 June - 2 July in a 0.25 degree box in Buenos Aires (34.7S, 58.75W).
The plots below show analyses of T850 and z500 from 27 June to 1 July.
Observations and analysis for the event
(Do be added after the event.)
Control forecast (IFS 9-km resolution)
DestinE (IFS 4.4km resolution)
AIFS-single (AIFSv1.0 ~0.25 resolution)
AIFS-CRPS ensemble (~0.25 degree resolution)
EFI (based on IFS 9-km ensemble)
Forecast Evolution plot
Legend:
Observation - green hourglass
Analysis - green dot
ENS CF - red dot
AIFS-single - cyan dot
ENS distribution - blue
AIFS-ENS distribution - pink
ENS m-climate - cyan
ENS m-climate maximum - black triangle
The plots below show ensemble mean weekly average of 2-metre temperature 30 June - 6 July in forecasts from different initial dates (all Mondays).
