October 2007 National Storm Summary
- From: jamesmunley@xxxxxxxxxxx
- Date: Tue, 06 Nov 2007 10:43:37 -0800
NATIONAL STORM SUMMARY
OCTOBER 2007
1st-6th...Over the central United States on Wednesday, a cold front
produced scattered showers and thunderstorms across the central
Mississippi Valley and parts of the southern Plains. Heavy rain
allowed for some flooding in parts of Arkansas with some locations
receiving local amounts of 3 to almost 6 inches of rainfall. Rainfall
totals were generally around one quarter of an-inch with Astoria,
Oregon receiving almost an inch of rainfall. Snowfall amounts of 3 to
5 inches occurred in the Cascades. Scattered showers and a few
thunderstorms were observed across parts of the Desert Southwest.
7th-13th...In the East on Tuesday, a strong cold front brought a long
line of showers and thunderstorms to parts of the Northeast, Mid-
Atlantic, Tennessee Valley, and the Southeast. Areas in the Northeast
experienced a few strong to severe storms, which produced frequent
lightning, and damaging wind gusts. Thunderstorm wind damage was
reported for many areas, such as Binghamton, New York, and Rush,
Pennsylvania. Even some hail was reported in Port Crane, New York.
Behind the front, cool high pressure settled into the Great Lakes and
Ohio Valley, with dry conditions. In the West, a strong storm system
coming onshore brought widespread showers and windy conditions to the
Pacific Northwest and northern California. Rainfall amounts with this
activity were generally light. Wind speeds of 20 mph, with gusts to
near 30 mph were prominent up and down the West Coast. A wind gust of
40 mph was reported near Klamath Falls, Oregon, and in Alturas,
California.
In the East on Thurday, a low pressure system brought showers and
thunderstorms to the Northeast. Some of these storms quickly became
severe, producing small hail, frequent lighting and dumping heavy
amounts of rainfall. Some of the heaviest amounts included Doylestown,
Pennsylvania 1.92; Mount Pocono, Pennsylvania 1.73; Wrightstown, New
Jersey 2.27; Iselin, New Jersey 2.00; New York City, New York 1.71;
White Plains, New York 1.65. Some heavy rainfall caused flash flooding
concerns, especially around the New York City metro area. In the
Central States, an upper-level disturbance brought strong to severe
thunderstorms to the Southern High Plains. Baseball sized hail,
damaging wind gusts, lightning, and locally heavy rainfall impacted
several areas. Hail over one inch in diameter was reported in
locations such as Bootleg, Texas; and Booker, Texas. The largest
hailstone measured 2.50 inches in Maple, Texas.
In the East on Friday, an upper-level low spinning over New England
continued to generate unsettled conditions for the region. The heavier
and more persistent rain has been falling across Maine for the past
several hours. Several locations in Maine reported heavy rain last
hour, including: Bangor, Houlton, Millinocket, and Portland. Moderate
to locally heavy rain was falling in Augusta and Wiscasset. Rainfall
amounts in the region have generally been over one inch so far today,
with 1 to 2-inch rainfall amounts quite common. Winds have also been
blustery across the region, with gusts from the northeast at 25 mph at
times. In New Hampshire, Manchester reported very heavy rain last
hour. Otherwise, the precipitation was generally light to occasionally
moderate south and west of Maine. Other spotty showers were impacting
Massachusetts
14th-20th...In the central third of the country on Monday, a low
pressure system produced scattered showers and thunderstorms in the
Mississippi Valley, Northern Plains, Southern Plains, and the eastern
half of the Central Plains. Isolated severe thunderstorms were
reported in central Texas, and locally heavy rainfall led to areas of
river flooding in parts of Nebraska and Iowa.
In the central part of the nation on Wednesday, a low pressure system
produced scattered showers and thunderstorms over the central Plains,
western Oklahoma, northwestern Texas and the middle and lower
Mississippi Valley. Into the early afternoon, severe thunderstorms
developed in portions of western and north-central Oklahoma. In
addition, areas of fog restricted visibilities in portions of the
upper Mississippi Valley, central Plains, lower Mississippi Valley and
the Midwest.
On Thursday, a powerful upper-level trough and associated surface low,
slowly progressed across the Mississippi Valley and into the western
Ohio and Tennessee Valleys, triggering scattered strong to severe
thunderstorms in its path. Numerous reports of large hail, damaging
wind gusts, and isolated tornadoes were reported from the western
Great Lakes, along the Mississippi Valley, and east into the western
Ohio and Tennessee River Valleys. In the center of the nation, a
strong upper-level trough continued to produce scattered showers and
thunderstorms across the upper Mississippi Valley and the majority of
the Midwest through the evening hours. Many of these thunderstorms
became strong to severe late this afternoon, producing large hail,
periods of heavy rainfall, winds gusting in excess of 60 mph, and
isolated tornadoes. To the west, skies cleared across the western half
of the northern and central Plains. Winds sustained at 20 to 30 mph,
with gusts nearing 50 mph, were reported from Oklahoma to North
Dakota. Elsewhere, fair and dry weather conditions continued across
the far southern Plains throughout the day.
In the East on Friday, showers and thunderstorms were reported from
the Northeast and New England southward to the Gulf Coast ahead of a
frontal boundary. The heaviest rain fell in Florida, as over 5 inches
of rainfall was recorded in Pensacola, Florida, and over 3 inches fell
in many other locations. Behind the front, skies were cloudy in the
Ohio Valley and Great Lakes, and light rain showers were reported.
Skies were sunny and clear over the Deep South. In the central part of
the nation, skies were cloudy with breezy conditions in the Midwest
and western Great Lakes. Winds gusted to over 40 mph across the
region. In the West, a strong storm system produced rain and snow
showers in the Pacific Northwest, northern Rockies, and northern
California. Snowfall accumulations of over 5 inches occurred in
Montana. Windy conditions were reported in Wyoming, as a gust of 79
mph was measured near Horse Creek, Wyoming.
21st-27th...Over the eastern half of the country on Monday, a low
pressure system moved through the Lower Mississippi Valley. The system
produced scattered showers and thunderstorms over the Ohio Valley,
Great Lakes, Midwest, Ozarks, Mississippi Valley, Appalachians,
Southeast, Deep South, and Gulf Coast. Areas of heavy rainfall
occurred along the Gulf Coast, and flooding was reported in Louisiana.
Several roads were closed due to high water in New Orleans, Louisiana
as over 5 inches of rain fell on the city. A few tornadoes were
reported in southern Alabama and southern Mississippi. Across the
West, a ridge of high pressure brought generally clear skies and dry
conditions to the central and southern Rockies, Great Basin, and
California. Santa Ana winds continued to blow over southern
California. Winds gusts over 80 mph were measured.
In the East on Wednesday, a strong cold front and low pressure system
brought widespread showers and thunderstorms to parts of the
Northeast, Mid-Atlantic, and Southeast, as well as the Ohio Valley. No
severe weather was reported, but a few strong storms produced wind
gusts which caused localized property damage. Tree limbs and power
lines were also brought down, especially in Virginia and North
Carolina. Heavier amounts of rain also fell in several places.
Danville, Virginia 2.64; Norfolk, Virginia 2.68; Burlington, North
Carolina 1.26; Darlington, South Carolina 1.34; Sarasota, Florida
2.31.
In the East on Friday, a stationary front produced a wide area of
showers over the Northeast, Mid Atlantic and Southeast, as well as
Florida. Some localized river flooding occurred as this slow-moving
system dumped heavy amounts of rain up and down the East coast. Fort
Bragg, North Carolina 2.32; Cape Hatteras, North Carolina 2.30;
Norfolk, Virginia 1.47; Richmond, Virginia 1.36; Darlington, South
Carolina 2.37; Fort Lauderdale, Florida 2.69. In the West, a cold
front brought cloudy skies with some precipitation to the Northern
Rockies and Northern High Plains. Rainfall amounts were minimal, but 3
to 6 inches fell in parts of Montana, above 4,000 feet. Breezy
conditions were reported across the Pacific Northwest, and northern
California as the front pushed through. Trees were uprooted at Crater
Lake, Oregon, as winds gusted to 50 mph.
.
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