September 7 National Weather Roundup

By: associated press
By: associated press

National Weather Summary Monday Sept. 7, 2009

NATIONAL WEATHER SUMMARY:
In the eastern half of the U.S., clusters of thunderstorms
brought heavy rains over portions of the Southeast during the late
morning and early afternoon hours, particularly in southern
Illinois and southern Alabama. Heavy thunderstorms dropped nearly
two inches of rain quickly in those areas, causing localized
flash-flooding over portions of the Ohio Valley. Most of this was
caused by an upper-level low traversing the region, and is already
igniting large thunderstorms over southern Indiana and central
Kentucky early this morning. An area of low pressure approaching
the Carolina coastline kicked up some scattered thunderstorm
activity during the afternoon on Sunday, but the bulk of its impact
will be felt on Monday as it moves up along the Mid-Atlantic coast.
Over the western half of the U.S., a cold front pushed through the Pacific Northwest and Northern Rockies with some gusty winds and areas of heavy rain. Spokane, Wash. had a 55 mph gust during the late afternoon hours, along with rainfall amounts of 1 to 1.5
inches over western Wash. Scattered thunderstorms were seen
throughout much of the Northern and Central Rockies, tailing down
into the Desert Southwest, with some locales in southeast Arizona
and southeast Wyoming getting up to three-quarters of an inch of
rainfall from this activity.

WEATHER EXTREMES FOR YESTERDAY:
HIGHEST TEMPERATURE (DEGREES F)............111 Death Valley, Calif.
HIGHEST HEAT INDEX (DEGREES F).............111 Death Valley, Calif.
LOWEST TEMPERATURE (DEGREES F)..............33 Saranac Lake, N.Y. .............................................. Whitefield, N.H.
LOWEST WIND CHILL (DEGREES F)...............33 Saranac Lake, N.Y.............................................. Whitefield, N.H.
HIGHEST WIND GUST (MPH).....................55 Spokane, Wash.
HIGHEST PRECIPITATION (INCHES)............1.91 Harrisburg, Ill................................. Mobile Downtown Airport, Ala.

ON THIS DATE IN HISTORY:
In 1881, hottest September day on record in the northeast, with highs of 102 recorded in Boston, 101 in New York City, and 100 in
New Haven, Conn.
In 1930, a hailstorm produced baseball size hail along a 60-mile path from Beresford, S.D. to Oto, Iowa. Small farm animals were
killed. The swath of hail damage was 5 miles wide, and some hail
would be evident 4 days later.
In 1998, a fast-moving cluster of thunderstorms known as a derecho swept through upstate New York during the pre-dawn hours, producing winds of 80 to 90 mph. Significant thunderstorm wind
damage was reported from Rochester and Syracuse eastward. Later in
the day, a squall line moved through New York City producing wind
gusts estimated to 100 mph. 3 people were killed, mainly from
falling tree branches.

Filed by: DTN/Meteorlogix


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