Known Issue 162

Analyses using legacy CLFs for Verisk Severe Thunderstorm Model for Australia will have losses from event 1 excluded.

Issue ID	162
Summary	Analyses using legacy CLFs for Verisk Severe Thunderstorm Model for Australia will have losses from event 1 excluded.
Description	When running analysis using any World All Perils event set using a CLF with Verisk Severe Thunderstorm Model for Australia (M44) generated in Touchstone v12 or earlier, the losses from the first event in the 10K catalog are dropped. Analyses using the World All Perils Archive event sets in 13.0/13.1/13.2 are unaffected.
Resolved in	Touchstone Re v13.3
Date posted	07/09/2026
Software versions affected	13.0, 13.1, 13.2
Feature set	Program Analysis, Portfolio Analysis
Models	Verisk Severe Thunderstorm Model for Australia
Potential for loss numbers impact	Yes
Workaround