Texas
Massive dust plume from Sahara Desert to bring hazy skies to Florida, Texas
A new tropical disturbance is now being monitored for development in the eastern Atlantic Ocean just in the wake of Invest 95L, which is on the cusp of becoming a tropical depression or Tropical Storm Beryl.
HOUSTON — A massive plume of dust from Africa’s Saharan Desert is blowing across the entire Atlantic Ocean this week, set to reach the shores of Florida and Texas in the coming days and casting a haze over typically blue skies.
The plume is currently forecast to skirt South Florida late Friday night into early Saturday morning, then push into the Gulf of Mexico over the weekend.
Eventually, the plume is forecast to move into Southeast Texas Sunday into Monday, with Corpus Christi and perhaps Houston likely to see some of the effects.
Coastal communities along the Florida Peninsula and the Gulf Coast are accustomed to seeing plumes of Saharan dust over the summer, which can impact air quality, produce colorful sunrises and sunsets, and reduce the chances of precipitation.
182 million tons of dust a year carried away from Africa
As daily triple-digit heat bakes the Saharan Desert, hot, dry air rises from the surface and carries fine particles of dust from the sands. That dust-laden air climbs to the highest reaches of the atmosphere, where winds called the Easterlies or Trade Winds (blowing from east to west) carry that dust about 3,000 miles across the Atlantic Ocean into the Western Hemisphere in what’s known as the Saharan Air Layer (SAL).
5 THINGS TO KNOW ABOUT THE SAHARAN DUST PLUME
According to NASA, about 182 million tons of dust leave Africa every year, though that amount can vary depending on the amount of rainfall south of the Sahara region.
Depending on the amount of dust being carried by the plume, air quality can be drastically affected. This means that people who have certain types of breathing problems can experience difficulty. People in the path of the plume can also experience eye, nose and throat irritation because of the fine dust particles in the air, according to WebMD.
The dry air from the hot, sandy desert also works to suppress tropical development and significant plumes of dust and dry air are common in the Atlantic during the first two and a half months of the hurricane season.
However, the current situation is a bit unusual in that there is quite a bit of tropical activity percolating in the Atlantic even with a significant dust layer.
Invest 95L and another tropical disturbance just to its east are holding positions just south of the dust layer, and are feeding off available moisture to their south to skirt the edges of the dust layer as they trek west.
However, the dust layer may become an important variable in the storms’ future development depending on their track.
On Friday night, two of college football’s iconic programs will meet with a spot in the College Football Playoff National Championship game on the line.
The Ohio State Buckeyes and Texas Longhorns have their fingerprints all over the sport’s history yet somehow have squared off only three times.
A Fiesta Bowl meeting after the 2008 season. A home-and-home series in 2005 and 2006. That’s all the history the Buckeyes and Longhorns share on the gridiron — until they take the field in the CFP Semifinal at the Goodyear Cotton Bowl Classic on Friday.
Here’s how each of those three matchups played out.
Jan. 5, 2009: Texas 24, Ohio State 21
Although the 2009 Fiesta Bowl experienced a low-scoring first 30 minutes (the Buckeyes led 6-3 at halftime), the fourth quarter offered an ending to remember.
First, Ohio State roared back into the lead with 17 unanswered points after entering the final period trailing 17-6. With just two minutes to respond, Texas put together an impressive 11-play drive that culminated in quarterback Colt McCoy finding wide receiver Quan Cosby for the winning touchdown with 16 seconds remaining.
The McCoy and Cosby connection dominated all game, with the pair linking up 14 times for 171 yards and a pair of touchdowns.
Sept. 9, 2006: Ohio State 24, Texas 7
McCoy’s first encounter with Ohio State wasn’t as pleasant as the Fiesta Bowl.
In a battle of the then-No. 1 and No. 2 teams in the land, it was the top-ranked Buckeyes who made an early-season statement against the defending national champion Longhorns on the road in Austin. Ohio State quarterback Troy Smith, who would go on to win the Heisman Trophy that season, threw for 269 yards and two touchdowns as the Buckeyes scored in all four quarters of the win.
Sept. 10, 2005: Texas 25, Ohio State 22
The first meeting between the Longhorns and Buckeyes came with nearly the same high billing as the 2006 contest, with the two squads squaring off as the No. 2 and No. 4 teams in the country, respectively.
As in 2006, it was the higher-ranked visiting side that came out on top, although the game itself proved to be much closer. Texas jumped out to an early 10-0 lead, but Ohio State battled back and eventually entered halftime, and then the fourth quarter, ahead.
Said final quarter, however, belonged to the Longhorns. Quarterback Vince Young’s 24-yard touchdown pass to wide receiver Limas Sweed proved to be the winner, with Texas adding some insurance in the game’s final moments with a safety-inducing sack of Troy Smith in the end zone.
The top-five win was the Longhorns’ first major statement in a campaign that would end with a national championship.
NORTH TEXAS – This week’s snow event will end with a “few flurries” during Friday’s morning commute, according to CBS News Texas meteorologist Jeff Ray.
“But roads will have frozen over,” Ray said.
Expect hazardous road conditions in the morning, as it will be “the worst” the roads have been since the event started on Thursday morning, Ray said.
Late in the morning, temperatures will rise above freezing, which will “help drivers get around the Metroplex,” Ray said.
A cold front is expected Friday, he said.
“We are going to have wind chills in the 20s all day,” Ray said. “By nightfall on Friday, temperatures will drop quickly and water will re-freeze on the roads across the evening. This ice will remain until mid-morning on Saturday before the sun and warmer temperatures in the mid-40s clear the roadways.”
CBS News Texas will continue to provide updates as information becomes available.
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