Monthly Archives: April 2012

Classic Severe MCS “Not-crossing” Case this morning

Posted on April 26, 2012 by

No detailed review here, but thought I’d just take this opportunity since we had a strong MCS (mature bow echo) approaching the west side of the southern Appalachians this morning, with a history of severe weather (see below), to remind … Continue reading →

Posted in Convection | 1 Comment

Update on the Observations of mergers between Squall Lines and Isolated Supercell Thunderstorms

Posted on April 26, 2012 by

This is an update to a previous blog post – Convective Storm Evolution Following Mergers between Squall Lines and Isolated Supercell Thunderstorms Last fall, Dr. Adam French, provided WFO Raleigh with a presentation on his research that examined mergers between … Continue reading →

Posted in Convection | Leave a comment

Update on ASOS Outages from Tropical Cyclones

Posted on April 23, 2012 by

This is an update to a previous blog post – Missing ASOS Observations during Hurricane Irene across eastern NC, VA, and MD Several NWS Service Assessments including those for Hurricanes Isabel (2003), Charley (2004) and Katrina (2005) noted that ASOS … Continue reading →

Posted in TC Inland Winds | 3 Comments

Orographic Cirrus Event during Red Flag Warning

Posted on April 19, 2012 by

On 10 April 2012, an orographic cirrus event manifested itself over central and eastern North Carolina. Climatologically this was a late season event as April is typically the last month we see a deep northwest flow aloft to support the … Continue reading →

Posted in Satellite | Leave a comment

Presentation on the Climatology of Convective Modes and the Near Storm Environment

Posted on April 18, 2012 by

A few weeks ago, SPC Lead Forecaster Rich Thompson lead a webinar and shared some of the research he has been working on with colleagues at the SPC/NSSL that identifies the convective modes and near-storm environments associated with nearly all … Continue reading →

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

TC Winds Conference Call Notes 4/11/12

Posted on April 12, 2012 by

Attended the call:  Bryce Tyner (NCSU), Frank Alsheimer (CHS), John Billet (AKQ), Mike Brennan (NHC), Jonathan Blaes (RAH), and Reid Hawkins, (ILM). Notes: Bryce presented a rough draft of the training slides to be used in the upcoming CHS Tropical … Continue reading →

Posted in TC Inland Winds | Leave a comment

HSLC Case Study Methodology

Posted on April 12, 2012 by

1. Consult the “Case Study Responsibility” list to see your case studies. Start with the case that you think will be most beneficial to the success of the project. 2. Your home WFO or other WFOs that were involved in … Continue reading →

Posted in High Shear Low Cape Severe Wx | Leave a comment

Notes from monthly HSLC Conference Call: 5 April 2012

Posted on April 12, 2012 by

1. Attendees: Matt Parker (NCSU), Jason Davis (NCSU), Keith Sherburn (NCSU), Mike Cammarata (CAE), Frank Alsheimer (CHS), Doug Berry (CHS), Wendy Moen (CHS), Trisha Palmer (FFC), Justin Lane (GSP), Bob Frederick (MHX), Steve Keighton (RNK) 2. Critical Action Item: As … Continue reading →

Posted in High Shear Low Cape Severe Wx | Leave a comment

Notes from 4/4/2012 CSTAR TC Boundary/QPF conference call

Posted on April 11, 2012 by

Notes from 4/4/2012 CSTAR TC Boundary/QPF conference call 5 participants Barrett Smith (RAH) Gary Lackmann (NCSU) Jordan Dale (NCSU) Eric Seymour (AKQ) Frank Alsheimer (CHS) Notes: In early March, Jordan Dale was able to spend some time at the WFO … Continue reading →

Posted in TC and Boundary QPF | Leave a comment

NC State CSTAR Projects Deliver Large Numbers of Skilled NOAA Employees

Posted on April 11, 2012 by

NC State has collaborated with numerous WFOs across the Southeast in several Collaborative Science, Technology, and Applied Research (CSTAR) projects dating back to the late 1990s. These projects have focused on topics such as topographically-forced weather systems, tropical cyclones, warm … Continue reading →

Posted in CSTAR | Leave a comment