Weather Underground midday recap for Tuesday,September 24,2013.
Active weather developed across the Southeast on Tuesday, while rain
showers persisted for the Pacific Northwest. A low pressure system moved
from the northern Plains and into the Upper Midwest on Thursday. Flow
around this system created a warm front that kicked up showers and
thunderstorms across Iowa and the Mid-Mississippi River valley. At the
same time, another low pressure system moved onshore from the Gulf of
Mexico, which brought heavy rainfall and strong thunderstorms to the
Lower Mississippi valley and the Gulf states. Heaviest rainfall was
reported in Greenwood, Mississippi with a midday total of 3.95 inches of
rain. Strong winds that blew down multiple trees was reported north of
Raleigh, Mississippi. Heavy rainfall and strong thunderstorms spread
across Florida associated with a cold front that extended eastward from
this system. Heaviest rainfall in Florida was reported at Fort Meyers
with a midday total of 1.87 inches of rain. These systems created
dangerous flood conditions from Mississippi through southern Florida.
Flash flood warnings were issued for parts of southern Mississippi.
To the north, a few scattered showers and thunderstorms moved into the
Midwest as a system continued to move northeastward from the Plains and
toward the Great Lakes. Severe storms and heavy rainfall have not yet
developed with this system. However out West, a low pressure system
moved over the Pacific Northwest from the Gulf of Alaska and brought
abundant moisture onshore with it. This system allowed for heavy
rainfall to spread from western Washington and Oregon through Idaho and
Montana. A winter storm watch was issued for parts of the northern
Rockies in anticipation of cooler temperatures with the passage of this
system, increasing the threat for high elevation snow.
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