Monthly Archives: November 2010

The 21 February 1997 Severe Weather Outbreak

1. Overview A persistent, shallow (i.e., storm tops less than 20.0 kft) quasi-linear convective system (QLCS) produced widespread straight line wind damage and several tornadoes (Appendix A) across northeast Georgia, Upstate South Carolina, and the Piedmont of North Carolina between … Continue reading

Posted in High Shear Low Cape Severe Wx | 2 Comments

A SREF perspective on the upcoming possible HSLC event Tuesday afternoon into early Wednesday morning

I am posting a new post as opposed to replying to Justin’s most recent post about the upcoming possible HSLC environment because I can’t seem to find a way to include images in a comment of an existing post (if … Continue reading

Posted in CSTAR, High Shear Low Cape Severe Wx | 8 Comments

Models suggest interesting HSLC situation Tues Night/Early Wednesday

The NAM continues to depict the potential for  a classic HSLC/QLCS/”broken-S” setup beginning across the western Carolinas during the evening, progressing across the remainder of the Carolinas/mid-Atlantic overnight. However, if anything, the model seems to have backed away ever so slightly … Continue reading

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HSLC mailing list

All, After much deliberation, we’ve decided that the most effective way to communicate day-to-day information (for the time being anyway) regarding the high shear/low CAPE topic is to create an e-mail list. The blog should still be utilized for more in-depth material, … Continue reading

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HSLC environment across the Carolinas and Mid-Atlantic Tuesday and Tuesday Night

It’s that time of year again when we grow suspicious of low pressure systems organizing over the northwest Gulf of Mexico and lifting northeast across the southeastern United States.  We’ve been watching how the models handle the system expected to move … Continue reading

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

TC Winds Group Conference Call Notes (11/8/10)

Representatives for the TC inland wind forecasts conducted a conference call on 11/8/10.  Below are the meeting notes, for other interested parties. Attendees: Dr. Anantha Aiyyer (NCSU), Bryce Tyner (NCSU), Reid Hawkins (ILM), Gail Hartfield (RAH), David Glenn (MHX), Lara … Continue reading

Posted in CSTAR, TC Inland and Marine Winds | 1 Comment

November 6, 2010 Shallow Convection / Graupel / TBSS’s

We had some interesting weather yesterday (11/06) as the deep upper level trough over the eastern US slowly progressed eastward through central NC. While there weren’t any significant operational implications, from a science perspective I thought this was worth looking … Continue reading

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Comparison of November 15, 2008 Killer Tornado Outbreak with the December 2, 2009 Non Tornado Event

These events featured similar patterns but with much different results in central NC. A PDF provides an initial comparison of the two events. An event summary of the November 15, 2008 Killer Tornado Outbreak is also available. In many aspects, the … Continue reading

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

Guide to getting started as an author on this blog

[FYI: This guide will also be distributed by email shortly.] Hi All, Thanks for a great meeting last week and for the enthusiastic exchange of ideas. I wanted to distribute some basic information about how to get going with the … Continue reading

Posted in CSTAR, General Information, High Shear Low Cape Severe Wx, TC and Boundary QPF, TC Improved Initial Conditions, TC Inland and Marine Winds | Leave a comment

2010 CSTAR Workshop

On October 28th and 29th over 30 meteorologists from the National Weather Service (NWS) as well as faculty and students from NC State University (NCSU) gathered in Raleigh to begin implementation of a 3 year Collaborative Science, Technology, and Applied … Continue reading

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