Monthly Archives: September 2013

High-Shear, Low-CAPE Environment Yields EF1 Tornado in King, NC on 21 Sept 2013

Posted by Steve Keighton, WFO Blacksburg, VA Often, High-Shear Low CAPE (HSLC) events have clear signals of a severe weather threat due to strong frontal scale forcing, very high low-level wind shear, and/or weak but obvious instability.  Other times, these … Continue reading

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Special Invitation to Attend a Research to Operations Webinar or Forecasting Severe Weather in HSLC Environments from the WDTB

In a great research to operations (R2O) activity and in collaboration with the WDTB, the NWS-NC State CSTAR High Shear Low CAPE project will be presenting its research results on Improving the Forecasting of Severe Weather in High Shear, Low … Continue reading

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CIMMSE Turns 3 and Celebrates with a Word Cloud!

A little more than 3 years ago, we started the CIMMSE blog to share applied research findings, training materials, and other collaborative meteorological information. During the past 3 years CIMMSE has featured 260 posts in 16 categories, a total of … Continue reading

Posted in CIMMSE | 1 Comment

A Wind Gust Factor Database of Marine Observations from 10 Tropical Cyclones

In support of the CSTAR tropical cyclone wind project, David Glenn from WFO Newport, NC collected observations from marine locations off the coast of the mid-Atlantic and Southeast during ten tropical cyclones that impacted the Carolinas and Virginia. From this … Continue reading

Posted in TC Inland and Marine Winds | 1 Comment

Research Triangle Park Boundary Layer Profiler Joins Four Other Profilers to Observe the Lower Portions of the Atmosphere

During the past couple of months, a number of new and refurbished boundary layer profilers have become available in North Carolina. Most recently, a 915MHz boundary layer profiler managed by the U.S. EPA in Research Triangle Park (site ID: RTPNC) … Continue reading

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NCSU Partners with WFO Raleigh to Investigate Extreme Lightning Days in NC

Lightning is recognized as a significant weather threat to life and property, responsible for multiple deaths and injuries as well as billions of dollars in damage per year. Given these potential dangers, accurate predictions of lightning activity, particularly excessive cloud-to-ground … Continue reading

Posted in Convection, Lightning | Leave a comment

Transitioning the SHERB into AWIPS D2D and GFE

One of the key outcomes of a recent Collaborative Science, Technology, and Applied Research (CSTAR) project is a new experimental parameter (SHERB) geared toward identifying the potential for tornadoes and significant severe wind events in High Shear Low CAPE (HSLC) … Continue reading

Posted in High Shear Low Cape Severe Wx | 3 Comments