Tornadic  Thunderstorm Types in the Northeastern United States

Summary

Tornadic Thunderstorm Types in the Northeastern United States

Introduction

Supercells

Appendages

Bow Echoes

Boundary Interaction

Miscellaneous Types

 Summary Table

References

 

  

Frequency of occurrence of various tornadic thunderstorm characteristics.  Some tornadoes exhibited multiple characteristics.

 

 Characteristic  Percent of the 86 tornadic storms exhibiting a given characteristic
Supercell 49%
Cell on line 29%
Bowing cell or line 34%
Percent of bow cases with tornado at bow apex 67%
Tornado associated with wind max 29%
Hook or appendage present 41%
Boundary interaction 19%