Weather 101: What is fog?
SAN ANTONIO – KSAT 12 Meteorologist Sarah Spivey explains what fog is and how we get it.
Copyright 2019 by KSAT - All rights reserved.
About the Author Sarah Spivey headshot
Sarah Spivey is a San Antonio native who grew up watching KSAT. She has been a proud member of the KSAT Weather Authority Team since 2017.
Sarah is a Clark High School and Texas A&M University graduate. She previously worked at KTEN News.
When Sarah is not busy forecasting, she enjoys hanging out with her husband and cat, and playing music.
Is the 'smokable' hemp market about to be set ablaze? ▶ 1:40
Is the 'smokable' hemp market about to be set ablaze?
Reuniting items found along the Guadalupe River after the deadly floods ▶ 1:59
Reuniting items found along the Guadalupe River after the deadly floods
Week one of Christopher Preciado trial wraps up ▶ 1:06
Week one of Christopher Preciado trial wraps up
SA airport reports short TSA wait ▶ 1:22
SA airport reports short TSA wait
Summer Savings Ideas in SA ▶ 1:45
Summer Savings Ideas in SA
Should the city rename César Chávez Blvd? ▶ 0:29
Should the city rename César Chávez Blvd?
Shuttle driver rescues toddler from a busy road ▶ 1:00
Shuttle driver rescues toddler from a busy road
Man dies by suicide in police custody ▶ 0:35
Man dies by suicide in police custody
Day 3: Erica Hernandez recaps evidence shown ▶ 1:05
Day 3: Erica Hernandez recaps evidence shown
San Antonio César Chávez march organizers, foundation disbands amid sexual abuse allegations ▶ 1:02
San Antonio César Chávez march organizers, foundation disbands amid sexual abuse allegations
SAPD says 12-year-old killed in a street racing crash ▶ 1:32
SAPD says 12-year-old killed in a street racing crash
2026 César E. Chávez March for Justice cancelled ▶ 2:10
2026 César E. Chávez March for Justice cancelled
Christopher Preciado Capital Murder Trial Day 2 ▶ 1:02
Christopher Preciado Capital Murder Trial Day 2
Possible relief for a northeast side dangerous intersection. ▶ 1:07
Possible relief for a northeast side dangerous intersection.
CORPUS CHRISTI TURNING TO SAN ANTONIO FOR ANSWERS TO ITS WATER CRISIS ▶ 0:48
CORPUS CHRISTI TURNING TO SAN ANTONIO FOR ANSWERS TO ITS WATER CRISIS
Blind man says security pushed him down stairs, beat him in parking lot of North Side bar ▶ 1:35
Blind man says security pushed him down stairs, beat him in parking lot of North Side bar
Desfile Flambeau Iluminara la noche durante Fiesta ▶ 2:32
Desfile Flambeau Iluminara la noche durante Fiesta
Adam Caskey has your cold Weather Authority update. ▶ 0:16
Adam Caskey has your cold Weather Authority update.
Checking your roof for wind damage.mp4 ▶ 0:55
Checking your roof for wind damage.mp4
Jury selection began on Monday in the case of Christopher Preciado ▶ 0:38
Jury selection began on Monday in the case of Christopher Preciado
DPS Mega Center closed due to plumbing issues ▶ 0:39
DPS Mega Center closed due to plumbing issues
Security camera footage captures sound of when gunfire begins ▶ 0:41
Security camera footage captures sound of when gunfire begins
Bullet holes in homes ▶ 2:17
Bullet holes in homes
Schertz searches for answers to frequent railroad crossing crashes ▶ 0:51
Schertz searches for answers to frequent railroad crossing crashes
A stretch of Southeast Military Drive back in the spotlight ▶ 0:11
A stretch of Southeast Military Drive back in the spotlight
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