Summary / Conclusions

  • Storms with strong low-level rotation developed along a warm front during the evening of May 22, 2004.

  • The low-level thermodynamic environment improved from marginal to favorable south of the front, but remained unfavorable north of the front through-out the event.

  • Mid-level storm relative flow was weak to marginal for tornadoes throughout the course of the event along and south of the front.

  • LCL heights were near the top end of the range of values typically associated with significant tornadoes along and south of the front.

  • At least two of the storms that developed, exhibited low-level rotation often associated with tornadoes in our area.

  • Accurate, real-time evaluation of the storm environment remains a critical, yet extremely difficult challenge for tornado warning forecasters.

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