NWS: Southeast Bexar County hit by dense fog in area of major wreck on I-37

Caption

TXDOT traffic cameras along Interstate 37 show dense fog on the highway at 8:45 Wednesday, Feb. 1, 2017

TXDOT traffic cameras along Interstate 37 show dense fog on the highway 9:20 Wednesday morning, Feb. 1, 2017

TXDOT traffic cameras along Interstate 37 show dense fog on the highway 10:00 Wednesday morning, Feb. 1, 2017

TXDOT traffic cameras along Interstate 37 show dense fog on the highway Bahis Siteleri 10:00 Wednesday morning, Feb. 1, 2017

TXDOT traffic cameras along Interstate 37 show dense fog on the highway 10:00 Wednesday morning, Feb. 1, 2017

TXDOT traffic cameras along Interstate 37 show dense fog on the highway at 9:30 Wednesday, Feb. 1, 2017.

SAN ANTONIO — As many as five separate accidents caused by thick fog and involving up to 20 cars caused major traffic delays Wednesday morning on the Southeast Side, according to authorities.

SAPD Sgt. George Antu said the heavy fog created a “domino effect” and that the accidents were continuing because cars were also speeding.

With visibility in Southwest Bexar County at about a quarter mile Wednesday morning, the National Weather Service issued a dense fog advisory around 6:45 a.m. that extended to 9 a.m.

The crash occurred shortly before 8 a.m. Wednesday.

Eric Platt, a meteorologist with the National Weather Service, said Southeast Bexar County was affected the most, with dense fog stretching from about Interstate 35 down to the Alice and Beeville areas in South Texas, an expanse of about 90 miles.

But Platt said this type of fog is not unusual for this time of year, quite common actually. The severity of the wreck on I-37, not so much.

RELATED: Major accident involving 18 wheelers, up to 20 vehicles shuts down I-37 heading into downtown

“Drive slow, use your low beams and leave plenty of space between you and the car in front of you,” Platt said.

A surge of moisture from the southeast, mixed with the clear skies overnight created perfect conditions for the fog to roll into Bexar County.

East Austin also experienced dense fog Wednesday morning, and the Houston metro area experienced some light fog.

Meteorologist Monte Oaks said the fog was pushing up against the Balcones Heights area around 9 a.m., but wasn’t rising over it. The rising sun is expected to diminish the density of the fog considerably between 9 a.m. and 11 a.m. The fog is expected to clear away around 11 a.m.

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