Category Archives: Uncategorized

Increasing Threat for HSLC Severe Weather on Tuesday Morning across Portions of Virginia and North Carolina

A quick look at some of the forecast products on the NC State HLSC web page suggests an increasing threat for severe weather on Tuesday morning. While the overall thermodynamic environment appears marginal, recent forecast trends suggest boundary layer moisture and … Continue reading

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HSLC Products and Feedback Form

Given that Friday has at least some low-end HSLC potential in the Southeastern U.S., I took the opportunity to update the HSLC products feedback form so that it now includes questions about the so-called Modified SHERB (MOSH) and SHERBE (MOSHE).  … Continue reading

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Winter 2017 Mid-Atlantic and Southeast Sub-regional SOO and Northwest Flow Project Virtual Workshop

On December 13, a winter weather oriented sub-regional SOO and Northwest Flow Project virtual workshop was held. The workshop was organized following the Spring 2017 CSTAR Workshop and Mid-Atlantic and Southeast Sub-regional SOO meeting held in Raleigh where participants suggested … Continue reading

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Late Spring HSLC Tornadoes across the Carolinas and Virginia: 4-5 May 2017

In association with a high amplitude closed upper low over the Mississsippi Valley, and a retreating wedge front at the surface, a mainly late night outbreak of wind damage and tornadoes occurred in a classic high shear, low CAPE (HSLC) … Continue reading

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Modified SHERB forecast plots now available

Forecast graphics for the modified SHERB (MOSH) and SHERBE (MOSHE) parameters are now available at the following links for the RAP, NAM, and GFS: http://storms.meas.ncsu.edu/users/mdparker/rap/hslc.html http://storms.meas.ncsu.edu/users/mdparker/nam/hslc.html http://storms.meas.ncsu.edu/users/mdparker/gfs/hslc.html We have noticed that the calculated values show relative consistency between models, and … Continue reading

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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

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Updated List of NC State-NWS CSTAR Publications

Shown below is a list of publications and abstracts developed as a part of the most recent NC State-NWS CSTAR project entitled “Understanding and Prediction of High Impact Weather Associated with Low-Topped Severe Convection in the Southeastern U.S.” Note that additional … Continue reading

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