WeatherBlend

Multi-model forecast blending for Sennen, Cornwall

Skill — dry window

Predicted vs observed dry-block verdict per (day × window). Observed blank for dates past the last full gauge day.

2-hour dry window

Phase 3q (copula MC/3c)
Target date (UTC) +24h +48h +72h Observed
100%100%99%
100%100%100%
100%100%99%
100%100%100%
100%100%100%
100%100%100%
99%99%98%

3-hour dry window

Phase 3b (lean)
Target date (UTC) +24h +48h +72h Observed
99%97%97%
99%97%97%
99%97%97%
99%97%97%
99%97%97%
99%97%97%
99%97%97%
Phase 3q (copula MC/3c)
Target date (UTC) +24h +48h +72h Observed
100%99%97%
98%99%99%
98%99%96%
100%99%99%
99%99%98%
100%99%99%
97%98%94%

4-hour dry window

Phase 3b (lean)
Target date (UTC) +24h +48h +72h Observed
98%97%99%
98%97%98%
96%97%98%
98%97%98%
98%97%98%
98%97%98%
98%97%98%
Phase 3q (copula MC/3c)
Target date (UTC) +24h +48h +72h Observed
98%98%94%
96%97%96%
94%96%89%
98%98%96%
98%97%96%
98%98%96%
92%94%88%

5-hour dry window

Phase 3q (copula MC/3c)
Target date (UTC) +24h +48h +72h Observed
96%95%88%
91%93%92%
85%89%80%
96%95%91%
95%94%91%
96%95%92%
87%88%82%

6-hour dry window

Phase 3b (lean)
Target date (UTC) +24h +48h +72h Observed
90%93%92%
89%94%91%
82%68%90%
88%93%90%
88%92%90%
88%93%90%
85%92%92%
Phase 3q (copula MC/3c)
Target date (UTC) +24h +48h +72h Observed
92%91%81%
87%89%86%
78%84%71%
92%91%86%
92%90%86%
93%91%87%
79%83%74%