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July 21 National Weather Roundup

By: associated press
By: associated press

National Weather Summary for Tuesday, July 21

NATIONAL WEATHER SUMMARY:

High pressure kept cool and dry conditions across most of the Great Lakes, Ohio Valley, and Northeast. Yesterday's morning lows were in the 50s for most locations with some 40s across northern
Michigan and northern New England. This cooler air extended into
the Tennessee Valley and Gulf States, where several sites either
tied or broke records for this date. Of note was Montgomery,
Alabama, where the temperature dropped to 59 degrees breaking the
record set in 1923. Atlanta, Georgia tied a record with a low of
61. In addition, this was the second morning in a row that
Hattiesburg, Mississippi and Meridian, Mississippi have awoken to
record low temperatures. Isolated to scattered showers and
thunderstorms also continue across portions of Virginia, the
Carolinas, and the Florida Peninsula. Rain was quite intense at
Roanoke, Virginia, which received almost 1.50 inches, also a record
for the day. Overnight, scattered showers were found across western
Pennsylvania while some heavier rain moved inland across the
Northeast coast from New Jersey to Massachusetts. Further south, a
few strong storms moved across Sarasota, Florida and Fort Myers,
Florida bringing wind gusts up to 40 mph and rain amounts around an
inch.
Across the central US, isolated to scattered showers and
thunderstorms pushed across the Dakotas, Nebraska, Kansas,
Oklahoma, and Texas during the morning hours with additional
activity developing across Arkansas. Some strong storms between
Childress, Texas and Dallas, Texas produced rain amounts of 0.50 to
1.00 inch. Further north, pea to walnut size hail was reported
across northern North Dakota with a wind gust of 60 mph near
Killdeer, North Dakota. During the evening hours, thunderstorms
pounded portions of western Nebraska, Kansas, as well as areas in
Arkansas, Louisiana, and Texas. College Station, Texas ended a
56-day stretch without measureable precipitation as thunderstorms
rolled through yesterday evening. Elsewhere, strong thunderstorms
spawned brief tornadoes near Rago, Kansas and Englewood, Colorado. During the overnight, severe thunderstorms remained strong across northern Texas, Oklahoma, to southern Kansas, knocking down
powerlines and overturned campers near El Dorado Lake in Kansas.
Meanwhile, record heat was still found across southern Texas.
Corpus Christi checked in with a new record high of 101 degrees.
Across the West, isolated to scattered showers and thunderstorms formed across Wyoming, Colorado, New Mexico, and southern Utah. However, the heaviest storms were found across Arizona and southern Nevada where power poles were knocked down by high winds near Three Points, Arizona. A thunderstorm also produced a 67 mph wind gust at Bullhead City, Nevada. Mc Carren International Airport in Las Vegas picked up 0.20 inches of rain as thunderstorms rolled through.

WEATHER EXTREMES FOR YESTERDAY:

HIGHEST TEMPERATURE (DEGREES F)............125 Death Valley, CA
HIGHEST HEAT INDEX (DEGREES F).............125 Death Valley, CA
LOWEST TEMPERATURE (DEGREES F)..............31 Stanley, ID
LOWEST WIND CHILL (DEGREES F)...............31 Stanley, ID
HIGHEST WIND GUST (MPH).....................79 Goodland, KS
HIGHEST PRECIPITATION (INCHES)............1.48 Roanoke, VA

ON THIS DATE IN HISTORY:

In 1911, a chilly 10 degrees was recorded at Painter, WY,
equaling the July record low for the continental U.S.
In 1934, Cincinnati, Ohio capped off its hottest summer on
record with a temperature of 109 degrees.
In 1975, six inches of rain fell across Mercer County, NJ, in
just 10 hours, causing the worst flooding in 20 years. Flooding
left 1000 people homeless and caused an estimated $25 million in
damage.

DTN/Meteorlogix: J Stephen


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