Monthly Archives: September 2011

September 28, 2011 Early Morning Severe Weather Event

An interesting severe weather event unfolded across central North Carolina during the early morning hours of September 28, 2011. Synoptic Overview: Prior to and during the severe weather event, a stalled upper level low was centered in vicinity of southern … Continue reading

Posted in Convection | 1 Comment

Economic consequences of weather events and CSTAR

The societal impacts statistics web site created by NOAA’s Office of Program Planning and Integration (PPI) has been updated. While the web site is intended to document the value of NOAA/NWS activities, it also contains updated research and statistics on the … Continue reading

Posted in CSTAR | Leave a comment

CAE Local Hail Study

We were encouraged to post some recent work done by a forecaster within our office as others might find it interesting and be able to use it operationally as well.  Tony Petrolito derived local probability of severe hail equations using … Continue reading

Posted in Uncategorized | Leave a comment

CSTAR Update – notes from the quarterly conference call with project PI’s, CI’s, and students on 09 September

A conference call with the principal investigators, the collaborative investigators, and students participating in the ongoing CSTAR project was held on 09 September. Some notes from the call are shown below. Participants included Dr Lackmann, Dr Parker, Dr Aiyyer, Bryce … Continue reading

Posted in CSTAR, General Information | 1 Comment

CIFLOW and Hurricane Irene

The Coastal and Inland Flooding Observation and Warning (CI-FLOW) project began producing real-time 84-hour simulations of total water level in coastal North Carolina from Hurricane Irene on August 23, 2011.  An example of this can be found at the web … Continue reading

Posted in Uncategorized | Leave a comment

Irene winds at points vs gust factor

Larry Brown at our office put together some interesting statistics from Irene here is his post. While not comprehensive, I plotted hourly wind speed, wind gust speed, and peak gust wind speed (in this case for the previous hour), and … Continue reading

Posted in TC Inland and Marine Winds | 3 Comments

HSLC Conference Call notes from 25 August

I. In attendance… Matt Parker, Keith Sherburn, Jason Davis (NCSU), Pat Moore, Justin Lane (GSP), Hunter Coleman, Mike Cammarata, Shawn Smith (CAE), Steve Nelson (FFC), Andy Kula, Stephen Latimer (HUN), Jonathan Blaes (RAH), Steve Zubrick (LWX) II. Status of SPC … Continue reading

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

Fun with the TDWR and Tropical Cyclone Tornadoes

Tornadoes associated with tropical cyclones (TC) typically develop rapidly, with no classical descending mesocyclone. The rotational signatures may last for only 1 or 2 WSR-88D volume scans and require a quick warning decision. Situational awareness along with knowing the environment … Continue reading

Posted in TC Tornadoes | 1 Comment

HSLC Project Status

Steady progress continues on the High Shear/Low CAPE convection project. The case identification process has been completed, while WFO FFC continues to spearhead the effort to identify null cases. The most recent developments are identification of 25 “high priority” cases … Continue reading

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