Severe Weather Alerts Span Sri Lanka and U.S.
The North Carolina warning covered Forsyth and Guilford counties, including Greensboro, Winston-Salem and High Point, and was issued after a storm near Walnut Cove moved southeast at 15 mph; Interstate 40, Interstate 73 and Interstate 74 were also within the warned area.
The Alabama warning for southern Lamar County said the storm near Millport was nearly stationary and could produce hail up to 0.75 inches; officials advised people to move to an interior room on the lowest floor and keep a battery-powered weather radio available in case of power loss.
In South Carolina, the Henderson County storm was located over Hendersonville and moving southeast at 5 mph; the National Weather Service warned that torrential rainfall could cause flash flooding and specifically urged motorists not to drive through flooded roadways.
A separate National Weather Service warning covered Marshall County, Alabama, where forecasters expected winds of up to 60 mph and hail as large as 1 inch, with residents urged to shelter in an interior room on the lowest floor.
The Idaho-Oregon Red Flag Warning specifically included portions of the Northern Boise, Southern Boise and Western Sawtooth national forests, as well as the Burns, Steens Mountain, Northwestern Vale and Baker Valley BLM areas; the warning cited critical fire-weather conditions developing Thursday afternoon and evening.
Severe weather alerts span three continents as thunderstorms and fire danger threaten millions. Sri Lanka's meteorology department warned of lightning strikes across eastern provinces through September 20, while the U.S. faces simultaneous threats: damaging thunderstorms across the Southeast and dangerous wildfire conditions in the Pacific Northwest. National Weather Service officials urged residents to seek shelter and avoid outdoor travel during the active warning periods.
Severe thunderstorms swept across North Carolina, Alabama and South Carolina on Monday evening with destructive potential. National Weather Service warned of winds up to 60 mph, hail as large as 1 inch and torrential rain capable of triggering flash floods. In North Carolina, the warning covered Forsyth and Guilford counties including Greensboro and Winston-Salem, with the storm near Walnut Cove moving southeast at 15 mph.
Southern Alabama faced particular danger from a nearly stationary storm near Millport expected to produce hail up to 0.75 inches. In South Carolina, the Henderson County storm over Hendersonville moved slowly southeast at 5 mph, creating flash-flood risks. National Weather Service specifically warned drivers not to cross flooded roadways, as water can move vehicles off roads. Residents were told to move to interior rooms on the lowest floor and keep battery-powered radios available.
A Red Flag Warning covered southwest Idaho and eastern Oregon from noon to 9 p.m. Thursday, alerting residents to critical fire conditions. National Weather Service forecasters warned that lightning strikes combined with wind gusts up to 50 mph could rapidly ignite and spread wildfires across the region. The warning included portions of the Northern Boise, Southern Boise and Western Sawtooth national forests plus four Bureau of Land Management areas.
Officials urged residents to stop all outdoor burning immediately during the warning window. The conditions developing Thursday afternoon posed extreme danger to forests and grasslands already stressed by summer heat. Residents in affected areas were advised to remain alert for rapidly spreading fires and evacuation orders.
Sri Lanka's Department of Meteorology issued severe-lightning advisories for parts of the Uva and Eastern provinces through 11:30 p.m. on September 20. Sri Lanka Department of Meteorology specifically warned districts including Mullaittivu, Vavuniya and Polonnaruwa of dangerous lightning activity. Residents were instructed to avoid open areas, trees, water sources and electrical equipment during active lightning periods.
Safety officials recommended people shelter indoors away from windows and plumbing. Residents needed to remain sheltered for at least 30 minutes after the last thunder or lightning to avoid delayed strike dangers. The warnings reflected Sri Lanka's monsoon season patterns that regularly produce severe electrical storms across eastern regions.
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