Category Archives: Convection

HSLC materials from Severe Local Storms Conference available, HSLC composite maps manuscript published

In November, CSTAR student Keith Sherburn traveled to the AMS Severe Local Storms Conference in Portland, OR to present recent research involving HSLC idealized simulations (via a talk) and composite environments (via a poster). Materials for this conference are now … Continue reading

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HSLC/SHERB Presentation to NWS Central Region Southeast SOO Group

On August 31st, 2016, I was invited to attend and speak at the NWS Central Region (CR) Southeast SOO Group Meeting at WFO Indianapolis on the topic of our (WFO ILN — Wilmington, OH)¬†experiences/research with non-supercell HSLC tornadoes and the … Continue reading

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Webinar on the Environmental Conditioning of Cool Season, Low Instability Thunderstorm Environments in the Tennessee and Ohio Valleys and Southeastern U.S.

In late April, Jessica King, presented a summary of much of her CSTAR research simulating severe and non-severe high shear, low CAPE convective events. The presentation focused on the examination of the rapid destabilization that occurs in the few hours … Continue reading

Posted in Convection, CSTAR, High Shear Low Cape Severe Wx, Uncategorized | 1 Comment

Interesting Findings from Two Fall HSLC Cases (23 Nov. 2014 & 18 Nov. 2015)

CSTAR folks, We wanted to post a review of several HSLC cases that had some significant operational utility here at FFC to garner further insight, comments, or discussion you may have (included some discussion points at the end).¬† Both happen … Continue reading

Posted in CIMMSE, Convection, CSTAR, General Information, High Shear Low Cape Severe Wx | 3 Comments

Observational Resources for the Potential Severe Weather on Wednesday 24 February 2016

  The latest Severe Weather Outlook from the SPC indicates an enhanced risk of severe weather on Wednesday, 24 February, across central and eastern NC with a slight risk across much of the mid and south-Atlantic with a region of … Continue reading

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December 23, 2015 Severe Weather Potential

Contrary to other potential severe high-shear, low-CAPE (HSLC)¬†setups so far this autumn and winter, tomorrow’s setup appears to have the majority of pieces in place. The main story may be the high-CAPE setup during the afternoon and early evening across … Continue reading

Posted in CIMMSE, Convection, CSTAR, High Shear Low Cape Severe Wx, Uncategorized | 3 Comments

Thoughts on 11 November 2015 HSLC severe event in Midwest

On November 11, 2015, a generally well-forecast (Figure 1) high-shear, low-to-moderate CAPE severe event affected portions of the Midwest. Convection initially developed during the late morning in the vicinity of the triple point of an intense surface cyclone across northeastern … Continue reading

Posted in Convection, CSTAR, High Shear Low Cape Severe Wx | 5 Comments