Meteorologists say warm weather from the Gulf of Mexico collided with a cold front from the west, creating volatile conditions.
Similarly, a heatwave which leads to swimming in rivers and drownings, a cold front which leads to a larger than usual number of half frozen people.
FORBES: How to Lie With Numbers: Alcohol and Health Care Edition
On Monday morning, the storm was blowing out to the Atlantic with only isolated thunderstorms and localized heavy rain as a cold front began moving in and clearing the region.
One thing is certain: The chances for severe weather are on the decline as a cold front moves through the region, said weather service meteorologist Gene Hatch in Springfield, Mo.
Unstable means that if an imaginary balloon filled with air from near the ground were to be lifted upward, colliding with some weather feature such as a cold front, the "balloon" would become warmer than the surrounding air at that level.
The remnants of Tropical Storm Allison -- which had stalled over Houston, Texas, for several days before starting a long, slow journey over southern Louisiana, through Georgia and northern Florida and up the East Coast -- slammed into a cold front moving east over Pennsylvania.
The Oklahoma City area, including Moore, could continue to face storms during the morning due to a strong cold front positioned through the state and a strong low-level jet stream "plowing into it from the south, " Van Dillen said.
CNN: Bracing for Round 3: 53 million under severe weather threat
Thursday will bring more in the way of cloud (compared to Wednesday), courtesy of a weakening cold front edging southeast.
First, add a strong wintery cold front coming in from the West.
FORBES: Hurricane Sandy or Frankenstorm? Either Way, It's a Big Deal.
In other parts of the South, thunderstorms, high winds and hail rolled through as part of a slow-moving cold front.
Weather service meteorologist Bill Goodman said a slow-moving cold front across the Northeast and mid-Atlantic could bring more rain on Monday.
In the southern part of the United States, thunderstorms, high winds and hail were expected as part of a slow-moving cold front.
The Hailstorm II pairs an advanced liquid cooling system with a blustery current of cold air driven by three front intake fans and a large rear exhaust fan.
ENGADGET: Digital Storm's Hailstorm II relieves you of gaming PC claustrophobia, $2,760 cash
She has also tried hiring a fetching woman to stroll along the sidewalk in front of the restaurant and give away cups of cold borscht, a gesture geared to attract walk-in business to a restaurant where it was once impossible to get a reservation.
The cold front, while welcome, prompted a series of thunderstorm warnings late Monday afternoon and into the evening from Virginia south to Georgia.
The initial "push" upward by the cold front on that balloon filled with surface air is like a child letting a helium-filled balloon go -- it just keeps rising.
However, we can look at conditions off in the distance and surmise whether what was just experienced was an isolated financial cold front passing through, or ongoing problems that have us in the eye of a storm.
Like some Cold War bat cave, it was accessible only by a reinforced lift shaft concealed within the false front of a seemingly ordinary building.
Mr Maharaj said there were still some South Africans who "sit with their dogs in front in a van or truck with a worker at the back in pouring rain or extremely cold weather".
Then she found Victoria Beckman, a Russian immigrant laying out family photographs and documents in the cold air along the two stone railings leading from her front door to the sidewalk.
应用推荐