Peak Tornado Season: Active or Quiet?
Late May is typically considered the peak of tornado chase season in the Plains. What makes this period more or less active than usual?
Category: Weather Info
Violent Tornado Parameter
The Storm Prediction Center released a new composite severe weather parameter in 2018, known as the Violent Tornado Parameter, or VTP. In order to better understand VTP, it is helpful to first consider the...
Florence: Clues from the Past
Tropical Storm Florence is tracking west toward the United States, but its westward movement alone is not the most interesting aspect of this storm. In fact, most tropical systems move from east to west...
Analysis of 3/30 Tulsa Tornado Environment
A tornado affected the north and northeast suburbs of Tulsa, Oklahoma early yesterday evening. Despite the conditions in place, a Tornado Watch was not in effect, as instead, a Severe Thunderstorm Watch had been...
Supercell Composite Parameter
Multiple variables are important to consider when it comes to supercell thunderstorm development. The Supercell Composite Parameter (SCP) was created to factor three important ingredients to determine how favorable an environment is to produce supercells. SCP...
Connecticut Snowfall: Feb. 5, 2016
Spotty light rain impacted portions of Connecticut on February 4th as a frontal boundary slowly advanced east through the area. As the front became nearly stationary near the coast, a wave of low pressure...
Connecticut Snowfall: Jan. 23-24, 2016
Snow reached southern Connecticut during the predawn hours on January 23rd. The snow gradually moved inland, dropping the most persistent bands of moderate to heavy snow on an axis from Fairfield County, northeastward into...
Severe Watches Lacking in 2015
For the fourth year in a row, overall severe thunderstorm activity, including tornadoes, finished below average across the Lower 48. This graphic shows the severe thunderstorm watch departure from the 13-year average. The vast...
Supercells in Massachusetts
Multiple supercell thunderstorms moved through central and eastern Massachusetts this afternoon. Some of the storms prompted tornado warnings and there were multiple significant severe weather reports as a result. Some of the thunderstorms originated...
Snowfall: Mar. 20-21, 2015
Snow developed during the afternoon on March 20th across Connecticut. Snow overspread the state, but the snow was heaviest across southwestern sections. The snow continued overnight as low pressure developed east of New Jersey....
Violent Tornadoes: 1962-2011
Over a 50-year span from 1962 to 2011, the most violent (F/EF-4 and F/EF-5) tornadoes occurred over Oklahoma and Mississippi. The maximum grid-points reported 16 over that period, with two of those grid-points in...
Snowfall: Mar. 4-5, 2015
Light rain developed during the evening hours on March 4th. As colder air moved in from the northwest, rain changed to snow overnight. By the pre-dawn hours on March 5th, steady snow was falling...
Snowfall: Mar. 1-2, 2015
Periods of light snow developed across Connecticut between late morning and early afternoon on March 1st. The snow became moderate to briefly heavy at times during the evening hours. Snow tapered off across northwestern...
Snowfall: Feb. 21-22, 2015
Areas of weak low pressure moved through the Ohio Valley along a frontal boundary on February 21st and periods of light snow moved into Connecticut during the afternoon. The snow gradually became moderate to...
Snowfall: Feb. 17, 2015
Periods of light snow and flurries impacted Connecticut on the morning of February 17th, 2015. An area of locally heavier snow fell across southeastern Connecticut from mid to late morning. The snow ended during...
Snowfall: Feb. 14-15, 2015
As low pressure moved east from the Great Lakes, some modest warm advection light snow developed around Connecticut during the morning and afternoon on February 14th. The snow was intermittent and amounts were generally...