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Category Archives: Convection
A pair of HSLC-related presentations: NOAA VLab Forum and AMS Mesoscale Conference
Over the last few months, I have provided two presentations on recent HSLC-related research. In June, I was the presenter at NOAA’s VLab Forum, where I provided an overview of the ongoing HSLC CSTAR project based at NC State University. … Continue reading
Posted in CIMMSE, Convection, CSTAR, High Shear Low Cape Severe Wx
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Operational NWP Resolution and Sensitivities Study Using HSLC Event Hindcasts Summary
At last month’s CSTAR workshop, I shared the results and analysis of my thesis project as well as some thoughts on related future work. I would like to provide a summary of my and Dr. Lackmann’s work with this post … Continue reading
Posted in CIMMSE, Convection, CSTAR, High Shear Low Cape Severe Wx, NWP, Uncategorized
Tagged CSTAR, HSLC
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MOSHE now available in beta form on SPC Mesoanalysis
The effective version of the Modified Severe Hazards in Environments with Reduced Buoyancy parameter (i.e., modified SHERBE or MOSHE), detailed in Sherburn et al. (2016), is now available in beta form on the SPC Mesoanalysis page. In observing the parameter’s … Continue reading
Posted in Convection, CSTAR, High Shear Low Cape Severe Wx
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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
Posted in CIMMSE, Convection, CSTAR, High Shear Low Cape Severe Wx
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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
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
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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
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
Posted in Convection, High Shear Low Cape Severe Wx, NWP, Satellite
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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
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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
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