Monthly Archives: November 2015

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 | 5 Comments

CIMMSE Collaborators Participate in the VORTEX Southeast Project

This week, several CIMMSE collaborators travelled to Huntsville, Alabama, for the first VORTEX-SE Workshop. The Verification of the Origins of Rotation in Tornadoes EXperiment-Southeast (VORTEX-SE) is a research program to understand how environmental factors characteristic of the southeastern United States … Continue reading

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

An Examination of Preliminary Local Storm Reports during the Historic South Carolina Rainfall Event September 30th, 2015 – October 6th, 2015

It is interesting to observe that law enforcement cited LSRs outnumbered LSRs from traditional sources (trained spotters and HAMs) by a ratio of 17:1. Continue reading

Posted in General Information, Hydrology | Tagged , | 2 Comments

Using MRMS rainfall estimates at ILM

A minor flooding event this morning (Nov 3, 2015) in the Wilmington, NC forecast area was the first time I utilized MRMS (Multi-Radar Multi-Sensor) data operationally. Sustained isentropic lift across a stalled front over eastern Georgia led to widespread moderate … Continue reading

Posted in Hydrology | 4 Comments

SREF-SHERB upgrades, and a reminder about HSLC event feedback form

Item 1: The SREF ensemble members have recently been updated (thanks to Jonathan Blaes for bringing this to my attention).  The upgrades include the following: – The seven Weather Research and Forecast (WRF) Nonhydrostatic Mesoscale Model (NMM) members will be eliminated.  … Continue reading

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