LA Weather: Atmospheric River Impacts and Storm Forecast

Current Storm Conditions

• 🌧️ An atmospheric river continues to impact Southern California, bringing heavy rain to the Los Angeles area.
• 📍 Specific areas like the I-5 corridor towards Bakersfield, Elmont, Glendora, Pasadena, and the Inland Empire are experiencing moderate to heavy rainfall.
• ⚡ Thunderstorms are also a possibility, increasing the risk of localized flooding.

Storm System Outlook

• 🌊 The current storm system (Storm One) is expected to bring widespread rain until late Saturday evening, becoming more scattered on Sunday.
• 🗓️ A secondary system is anticipated to arrive Monday and persist into Tuesday, bringing renewed rain chances.
• 🗓️ A third storm system is forecast for Thursday and Friday, indicating a prolonged period of wet weather.

Rainfall Totals and Warnings

• 📊 Over the past 24 hours, areas like Altadena have received over 3/4 of an inch, with some locations in the Inland Empire seeing 1.5 inches or more.
• 📈 Accumulated rainfall through Monday and Tuesday could reach 2 to 3 inches, with foothills and mountains potentially receiving 4 to 6 inches.
• ⚠️ A flood watch is in effect until 10 p.m. Saturday, and a flash flood warning is active for specific areas until noon today, with hourly rainfall rates of 0.5 to 1 inch.

Road and Debris Flow Risks

• ⚠️ Excessive rainfall raises concerns about flooding on roadways, streams, and creeks.
• ⛰️ There is also a significant risk of mudslides and debris flow, particularly in areas with recent burn scars.

Temperature and Wind

• 🌡️ Temperatures have dipped, with most areas currently in the upper 50s to low 60s, and cooler temperatures in the mountains.
• 💨 Winds are variable, with periods of calm followed by gusts as the storm system moves through.
• 📉 Today's high is expected around 63 degrees, with Sunday seeing a similar high of 62 degrees.