California – Floods Forces Evacuations in San Diego After 120 Mm of Rain in 24 Hours

Yet more heavy rain and flooding has been reported in California, this time in the San Diego area where the San Diego river overflowed on 28 February, 2017.

Heavy rain fell in the San Diego area on Monday, 27 February. Ramona recorded its second highest daily rainfall total.

By Tuesday around a dozen roads were closed as a result of flooding along the San Diego river. State Route 78 was closed in the Ramona area after a rock slide that was triggered by the heavy rain.

Across the San Diego area emergency services were called on to carry out several flood rescues and evacuations.

During the morning of 28 February rescue teams from the police, lifeguards and fire department evacuated 65 people from local hotel due to flooding along San Diego River in Mission Valley.

The San Diego river at Fashion Valley reached 14.15 feet early on 28 February, 2017, the third highest recorded level since 1900, according to NWS San Diego.

Levels of the San Diego River at Fashion Valley. Image; NWS San Diego / NOAA

Rainfall

Ramona in San Diego County recorded 5.03 inches (127 mm)  of rainfall in 24 hours on Monday, 27 February, which is the second highest ever recorded in 24 hours. The record is 5.33 inches, recorded in January 1978.

Elsewhere, El Cajon recorded 2.29 inches in 24 hours on Monday, 27 February. Escondido recorded 4.03”, San Diego 2.34” and Alpine 2.43” during the same period.

Rainfall in San Diego area, California, late February 2017. Image: NWS San Diego

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Flood Summary

Last updated: March 2, 2017
Event
San Diego, California, February 2017
Date
February 27 to March 1, 2017
Type
River flood
Cause
Extreme rainfall

Locations

A - Mission Valley
B - Ramona

Magnitude

Rainfall level
127 mm in 24 hours
Ramona - February 27 to February 27, 2017
River level
4.31 metres
San Diego River at Fashion Valley - February 27 to February 27, 2017

Damages

Evacuated
65 people
Mission Valley, San Diego - February 28 to February 28, 2017