CSU hurricane forecast team: prediction track record

Colorado State University's seasonal Atlantic hurricane outlook, led by Phil Klotzbach

Credibility 66% Mostly right 10 years half-life
All-time
67%no decay
Resolved
4
Right
3
Wrong
1
Last resolved
30 Nov 2024

Credibility half-life

CSU hurricane forecast team: credibility half-life chartCredibility of CSU hurricane forecast team from 1 Jun 2005 to 14 Oct 2026, with a 10 years half-life. 4 resolved predictions marked on the line. Now 66%.0%25%50%75%100%201020152020202530 Nov 2005: The 2005 Atlantic hurricane season will be more active than average (April outlook). (right)30 Nov 2013: The 2013 Atlantic season will be active: 18 named storms, 9 hurricanes, 4 major (April outlook). (wrong)30 Nov 2020: The 2020 Atlantic season will be more active than average: 16 named storms, 8 hurricanes (April outlook). (right)30 Nov 2024: The 2024 Atlantic season will be extremely active: 23 named storms, 11 hurricanes, 5 major (April outlook). (right)66%coin flip

Scored 14 Oct 2026. How the score works

Resolved predictions

PredictionMadeResolvedOutcomeEffect on score

The 2024 Atlantic season will be extremely active: 23 named storms, 11 hurricanes, 5 major (April outlook).

2024 had 18 named storms, 11 hurricanes and 5 major hurricanes.

Source: CSU predicts 23 named storms and 11 hurricanes for 2024 (WUSF)

Right 58% → 67% (+9.3 pts)

The 2020 Atlantic season will be more active than average: 16 named storms, 8 hurricanes (April outlook).

2020 set a record with 30 named storms, so the direction was right and the counts far too low.

Source: 2020 Atlantic hurricane season (Wikipedia)

Right 46% → 59% (+13.7 pts)

The 2013 Atlantic season will be active: 18 named storms, 9 hurricanes, 4 major (April outlook).

2013 had 14 named storms, 2 hurricanes and no major hurricanes.

Source: 2013 season much quieter than predicted (Colorado State University)

Wrong 61% → 44% (−17.1 pts)

The 2005 Atlantic hurricane season will be more active than average (April outlook).

2005 produced 15 hurricanes, a record at the time, including Katrina.

Source: 2005 Atlantic hurricane season (Wikipedia)

Right 50% → 67% (+16.7 pts)

Atom feed of CSU hurricane forecast team's resolutions · Compare with another figure · Report an error or a missing prediction