Storms moving in southeastern San Diego County could lead to flash flooding
Last Updated: 101 days ago
SAN DIEGO - A line of thunderstorms moving toward southeastern San Diego County's deserts and desert mountain slopes Thursday could likely produce flash flooding.
The National Weather Service issued a flash flood warning, set to expire at 4 p.m., for locations that include Mount Laguna, Boulevard, Canebrake, Tierra Del Sol, Jacumba and Agua Caliente Springs. Interstate 8 and county Highway S-2 were also included under the warning.
NWS meteorologists advised motorists to avoid driving into areas where water was covering the roadway because flood waters are usually deeper than they appear, and a foot of flowing water is powerful enough to sweep vehicles off the road.
"Flooding is occurring or is imminent," forecasters warned. "It is important to know where you are relative to streams, rivers or creeks, which can become killers in heavy rains."
Campers and hikers were also advised to avoid streams and creeks.
A flash flood watch was in effect for San Diego County's other mountain, desert and valley areas until 10 p.m. because a wave of monsoonal moisture moving across Southern California could produce slow-moving thunderstorms that could lead to flash flooding, according to the weather service.
In addition to flash flooding, the rain could cause mudslides in areas denuded by wildfires, forecasters said.
"Flash flooding is a very dangerous situation," the NWS advised. "Have a plan of action ready to move to higher ground when warnings are issued."
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