NAWDEX (North Atlantic Wave Guide Experiment)

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Dynamical diagnoses

French deterministic global model ARPEGE

link to the french determistic global model outputs during the NAWDEX campaign.

EPS (ECMWF) & PEARP (MF)

Some outputs of two distinct ensemble prediction systems : PEARP (Arpege) and EPS (ECMWF)

Initial condition uncertainties

Update of the webpage at 0520UTC Analysis and Background error variances of the day in observation space LL for 1000-700 hPa, UTLS for 200-400 hPa Valid Time background LL analysis/LL background/UTLS analysis/UTLS D (...)

Estimation of the sensitivity of 2PVU theta to Z700 using Ensemble Sensitivity Analysis

Update of the webpage at 0435UTC The following plots show the sensitivity of Potential temperature of the 2PVU surface at tf (06UTC D+2) to Z700 at Ti (06 UTC D+1, 12UTC D+1, 18UTC D+1, 00UTC D+2) The computations are based on a a lagged ensemble of 4 consecutive (...)

Weather regime prediction using ECMWF EPS

Based on D-1 1200UTC EPS run, Update of the webpage at 0520UTC Correlation-based distance versus forecast range. Members with low value are close to the corresponding cluster. The four clusters :