Garden Grove chemical tank crisis keeps 50,000 evacuated in Orange County; Memorial Day severe storms drive flash floods and tornado damage across the Southeast

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Good morning.

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,: 2026

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The dominant national incident this Memorial Day morning is the Garden Grove Chemical Tank emergency in Orange County, California.

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About 50,000 residents remain under evacuation as Orange County Fire Authority crews continue cooling a 34,000 gallon methyl methacrylate vessel at the GKN Aerospace Transparency Systems facility.

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Overnight reconnaissance identified what appears to be a crack that may be relieving internal pressure.

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Governor Gavin Newsom proclaimed a state of emergency on May 23rd and has requested a federal emergency declaration to support sheltering evacuations and emergency protective measures.

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An expansive severe weather system is driving the Memorial Day operational picture across the eastern half of the country.

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The National Weather Service and Storm Prediction center cite ongoing flash flooding, hail and tornado risk across the central Gulf coast into North Georgia and the upper Ohio Valley with heavy rain and storms continuing through mid week.

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Hartsfield Jackson Atlanta International Airport operated under an FAA ground stop into Sunday evening and flash flood warnings covered metro Atlanta and portions of the Ohio Valley overnight.

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core skewal injection flaw CVE: 2026

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Official update published roughly 72 hours ago included because the deadline is operationally imminent.

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IMPERVA has observed more than 15,000 exploit attempts against approximately 6,000 sites worldwide.

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Separately, the USGS Hawaiian Volcano Observatory says the forecast window for Kilauea's Lava Fountaining Episode 48 opens today with alert level at advisory and aviation color code yellow.

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The National Interagency Fire center reports National Preparedness Level 2 with year to date acreage running well above the 10 year average.

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Let's run through the states.

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oosa county across Interstate: 2059

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Heavy rain also flooded SEC tournament facilities in Hoover, California the Garden Grove chemical tank incident remains the highest impact event in the state.

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Roughly 50,000 residents are evacuated within a 9 square mile potential blast radius around the GKN Aerospace facility and the state has mobilized more than 785 first responders.

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n Simi Valley sits at roughly: 2100

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Georgia Flash flood warnings covered Cherokee and Cobb counties into early Monday with travel disruptions on Interstate 75 north of Atlanta.

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The Atlanta Department of Watershed Management lifted Friday's boil water advisory on Saturday morning, May 23.

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Hartsfield Jackson Atlanta International Airport operated under an FAA ground stop late Sunday due to thunderstorm activity.

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Hawaii the USGS Hawaiian Volcano Observatory has opened the forecast window For Kilauea's episode 48 lava fountaining expected between today and Tuesday.

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Summit inflation continues and glow is visible from both summit vents.

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Aftershocks From Friday's magnitude 6.0 earthquake south of Honaunau Napopu continue at low magnitudes.

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Hawaiian Electric reports nearly all of the roughly 1,000 customers initially affected have been restored.

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Kentucky the National Weather Service issued a tornado warning for northeastern Todd county on Sunday evening with a severe storm capable of producing a tornado tracking northeast near Elkton.

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Flash flood watches continued across portions of northeast Kentucky.

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Louisianamost of southeast Louisiana is under a flood watch through Monday as rounds of heavy rain continue.

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Forecast totals call for at least 3 inches over the next five to seven days with locally higher amounts.

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Mississippi South Mississippi remains under a flood watch with a flood warning in effect for the Pearl River Basin.

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Moderate flooding is occurring on East Hobola Chitto Creek near Caesar, New Mexico the trig fire 17 miles south of Mosquero in the Las Vegas District of New Mexico State Forestry has prompted evacuations along with area road and trail closures.

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The fire is burning in grass and brush with active behavior including group torching and wind driven runs.

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Residences are threatened.

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eport indicates the fire near: 1500

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Ohio Flash flood warnings covered multiple Ohio Valley counties including Belmont, Guernsey, Harrison, Jefferson, Muskingum and Noble through Sunday evening.

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A regional flash flood watch remains in effect.

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Washington FEMA disaster assistance centers in Whatcom County, Sumas and Everson will be closed today, May 25 in observance of Memorial Day and will resume normal hours Tuesday.

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The Packwood center closed May 16.

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,: 2026

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West Virginia flash flood warnings covered portions of the Ohio Valley, including Hancock and Brook counties on Sunday.

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A multi day flash flood watch remains in effect for the Tri State region.

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All other states have no significant updates in the last 24 hours.

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Territories Commonwealth of the Northern Mariana Islands Survivor Recovery centers on Saipan, Tinian and Rota remain operational supporting Typhoon Sinlaku recovery as of May 22.

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Standard case processing has resumed.

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FEMA reports 1,670 applications approved and $5.5 million in individual assistance released as of May 12.

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All other territories and the District of Columbia have no significant updates in the last 24 hours.

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That wraps today's EM Morning Brief.

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New episodes drop Monday through Friday in the 5am hour PT, so the day starts with clarity.

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EM Morning Brief is an EOC Voices podcast.

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Stay safe.