News Summary
The National Weather Service has issued severe thunderstorm and flash flood warnings for eastern San Diego County. Residents can expect high winds, hail, and heavy rainfall exceeding an inch per hour. The unstable weather is due to tropical storm activity leading to a monsoonal pattern, with flooding potential particularly in urban areas. Visibility issues may arise from dust storms caused by strong winds. Residents are advised to stay informed and prepared as conditions are expected to change throughout the week.
San Diego, California – A severe thunderstorm warning and flash flood warning have been issued for parts of eastern San Diego County as meteorological conditions shift dramatically this week. The National Weather Service (NWS) has alerted residents to expect high winds, hail, and heavy rainfall rates surpassing one inch per hour.
The inclement weather has been attributed to tropical storm activity contributing to a monsoonal weather pattern affecting the region. Conditions are expected to remain unsettled, with daily chances for showers and thunderstorms persisting through mid-week before tapering off later in the week. However, the early part of the week will see continued humidity across San Diego and surrounding areas.
The forecast indicates that as a weak trough offshore takes shape, the chances for storm activity in both the mountains and deserts will decrease as the week progresses. For now, forecasts predict wind gusts reaching up to 70 mph along with the possibility of nickel-sized hail.
The NWS has provided specific cautions for public safety. Residents are encouraged to avoid flooded roads and to prioritize listening to evacuation instructions in flood-prone areas. Urban flooding, particularly in creeks, streams, and low-lying terrains, is expected due to the intensity of the rain.
Areas under flash flood warnings include I-8 between Pine Valley and Boulevard, along with regions like Alpine, Mount Laguna, Pine Valley, and Campo. These alerts are part of a broader warning, suggesting that urban areas may also experience substantial precipitation and the accompanying risks of flash flooding.
Visibility concerns have also been raised, with warnings indicating that conditions may deteriorate to less than one mile due to dust storms caused by strong winds. Hence, another advisory has been issued to caution motorists regarding these visibility reductions on major highways.
Heavy rains are anticipated to lead to significant flash flooding until approximately 3:45 PM on Monday. NWS forecasts indicate that additional precipitation may impact the region through Tuesday, challenging local infrastructure and prompting additional caution for residents.
As communities monitor these developments, it is critical for residents to seek higher ground should flooding occur, as even as little as 12 inches of fast-moving water can sweep away most vehicles. The risk of hydroplaning poses a considerable danger on wet roads, thus drivers are advised on how to respond if their vehicle starts to skid.
In terms of roadway impacts, portions of SR-98 were closed due to flooding earlier, though they have since reopened following rain relief. However, the situation on the roads remains fluid as conditions change rapidly with fluctuating weather patterns.
Overall, while significant weather disturbances are expected to continue wreaking havoc in urban areas, the NWS anticipates a stabilization towards the end of the week where conditions may return to more seasonal temperatures. For now, residents are reminded to stay informed and prepared as these severe weather events unfold across Southern California.
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Additional Resources
- NBC San Diego
- Google Search: Flash Flood Warning San Diego
- Sacramento Bee
- Wikipedia: Thunderstorm
- Fox 5 San Diego
- Encyclopedia Britannica: Flood
- Desert Sun
- Google News: California Weather Alerts
Author: STAFF HERE SAN DIEGO WRITER
SAN DIEGO STAFF WRITER The SAN DIEGO STAFF WRITER represents the experienced team at HERESanDiego.com, your go-to source for actionable local news and information in San Diego, San Diego County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Comic-Con International, San Diego County Fair, and San Diego Pride Festival. Our coverage extends to key organizations like the San Diego Regional Chamber of Commerce and United Way of San Diego County, plus leading businesses in biotechnology, healthcare, and technology that power the local economy such as Qualcomm, Illumina, and Scripps Health. As part of the broader HERE network, including HEREAnaheim.com, HEREBeverlyHills.com, HERECostaMesa.com, HERECoronado.com, HEREHollywood.com, HEREHuntingtonBeach.com, HERELongBeach.com, HERELosAngeles.com, HEREMissionViejo.com, and HERESantaAna.com, we provide comprehensive, credible insights into California's dynamic landscape.
