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May 21 National Weather Roundup

By: associated press
By: associated press

NATIONAL WEATHER SUMMARY:

Across the eastern United States, a low pressure system centered over the eastern Gulf continued to produce rain and scattered
thunderstorms over the Florida Peninsula. The heaviest rain fell in the
northern Florida peninsula yesterday, where amounts over one inch were common. Lighter showers could also be found in portions of
southeastern Georgia, South Carolina, and North Carolina with the
system. Elsewhere, a weak disturbance generated isolated showers in
Upstate New York and northern New England. High pressure brought
fair weather to the Mid-Atlantic, Great Lakes Region, Ohio and
Tennessee Valleys, and the Appalachians.
In the central United States, a low pressure system brought light rain showers to the Dakotas early yesterday. Gusty winds
persisted from the Central Plains into the Upper Midwest, where
southerly wind gusts of generally 25-40 mph developed. However,
some gusts of 40-55 mph occurred in Minnesota. Showers and
scattered thunderstorms also developed along a cold front shifting
through the Northern Plains and the Upper Midwest. These showers
persisted into the evening and overnight hours. Fair and dry
weather prevailed over the southern Plains and Lower Mississippi
Valley.
Across the western states, a cold front brought scattered
showers to Montana, Wyoming, and northern Colorado. Snow fell at
the highest elevations in western Montana; accumulations were
minor. Elsewhere, scattered showers and thunderstorms were found
across Arizona, New Mexico, and southeastern California due to an
upper-level disturbance. Onshore flow led to fog and patchy drizzle
along the West Coast yesterday morning as well.

WEATHER EXTREMES FOR YESTERDAY:

HIGHEST TEMPERATURE (DEGREES F)...........111 Death Valley, CA
HIGHEST HEAT INDEX (DEGREES F).............99 Thermal, CA
LOWEST TEMPERATURE (DEGREES F).............24 Crater Lake, OR
LOWEST WIND CHILL (DEGREES F)..............24 Duluth, MN
HIGHEST WIND GUST (MPH)....................57 Ogalla, NE
HIGHEST PRECIPITATION (INCHES)...........6.29 Daytona, FL

ON THIS DATE IN HISTORY:

In 1896, the mercury soared to 124 degrees at Salton, Calif. This is the highest ever recorded temperature in the U.S. during
May.
In 1980, 102 at Williston, N.D. set a record. The temperature the next day soared to 106.

DTN-Meteorlogix


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