May 4 National Weather Roundup

By: associated press
By: associated press

In the Central and Eastern portions of the country, a low
pressure system developed over the Tennessee Valley, advancing
northeastward gradually through the afternoon and evening hours
towards the Virginias. This system brought moderate to heavy rains
to the Lower Mississippi Valley, Tennessee Valley, and Mid-Atlantic
region. Rainfall amounts here ranged from 0.50 to 1.50 inches,
though with heavier showers and thunderstorms, rainfall totals of 2
to 3 inches were reported. Many thunderstorms became severe as they
trekked eastward across the Lower Mississippi Valley and Gulf Coast
states. Strong winds were the main threat, causing widespread
damage to homes, power lines, and trees. One fatality was reported
as a result of a tree falling on a mobile home in Mississippi. Nine
possible tornadoes were reported through portions of Alabama,
Tennessee, and North Carolina. Though this system drenched much of
the Eastern US, Florida remained, and mainly dry and sunny skies
were experienced through the Upper Midwest, Great Lakes, and
extreme Northeastern US.
In the West, an upper-level trough pushed onshore. This system brought partly to mostly cloudy skies and areas of rain showers and a few embedded thunderstorms to the area. Showers and thunderstorms spread from the Pacific Northwest into the Great Basin and the Northern and Central Rocky Mountains. A few severe thunderstorms developed during the afternoon hours, resulting in wind gusts to around 60 mph, blowing a few trees down in Utah. Meanwhile, up to one inch hail fell across portions of Idaho. Light snow occurred in extreme high elevations, though little to no accumulations were reported. Mostly sunny to partly cloudy skies and dry conditions
were experienced across the Desert Southwest.

HIGHEST HEAT INDEX (DEGREES F)..............112 Alice, TX
LOWEST TEMPERATURE (DEGREES F)...............26 Gillette, WY
LOWEST WIND CHILL (DEGREES F)................11 Rock Springs, WY
HIGHEST WIND GUST (MPH)......................64 Madera, CA
HIGHEST PRECIPITATION (INCHES).............3.16 Crossville, TN

In 1917, late-season snow storm brought up to eight inches of snow to portions of northwestern Texas.
In 1922, 12 were killed and 55 were injured by two tornadoes which touched down in Austin, Texas.
In 1989, 15 tornadoes were reported across the Southern Plains and Lower Mississippi Valley. Hail the size of oranges damaged
thousands of cars in Monroe, Louisiana where 9.39 inches of rain
was reported.


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