Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
SEA showing area-weighted mean PDSI response over (a.) western Mediterranean (blue box - Figure 2) and (b.) northwestern Europe (red box - Figure 2). Uncertainty intervals are 10th and 90th percentile of the response. Dashed horizontal line indicates threshold required for statistically significant (p<0.05, one-tailed) epochal anomalies.
