NATIONAL WEATHER SUMMARY

NOVEMBER 2007

1st-3rd...In the East on Friday, the vast majority of the region
featured partly cloudy to fair skies and dry conditions. These areas
included New England, the Northeast, the Great Lakes, Ohio and
Tennessee Valleys, Mid-Atlantic, and much of the Carolinas and
Southeast. Meanwhile, breezy to occasionally windy conditions
prevailed from the Delmarva down into Florida this afternoon in
association with the outflow from Hurricane Noel. Gusts over 30 miles-
per-hour have been measured, especially near the coastal communities.
As for the western two-thirds of the country, much of the region
featured partly cloudy to clear skies and dry conditions this
afternoon. Much of the Mississippi Valley, the Plains, the Rocky
Mountains, the Great Basin, the Pacific Northwest, California and the
Desert Southwest featured fair and dry weather. Meanwhile, a weak
frontal boundary pushing through the western Great Lakes and Upper
Midwest generated windy conditions in the region, as well as down into
the much of the Plains this afternoon. Wind gusts on the order of 25
to 35 mph have been common from the Dakotas down into Kansas and the
Texas Panhandle. Dodge City, Kansas reported wind gusts to near 40 mph
last hour. Otherwise, fog continued to hinder visibilities to under a
quarter mile along the coast of California. Avalon and San Francisco,
California, continued to have reduced visibilities to under a quarter
mile last hour. In San Nocolas, California, visibilities were still
restricted to under a 16th of a mile.

4th-10th...In the East on Monday, a cold front moved through the Ohio
Valley. This produced scattered showers and thunderstorms throughout
the afternoon hours. A few strong to severe thunderstorms brought hail
to the area. Rainfall amounts were generally light. Rain showers also
developed over the Great Lakes. Rainfall amounts were less than half
an inch. Skies were partly cloudy to mostly sunny over the Mid-
Atlantic, Southeast, and Deep South. In the central region, a low
pressure system pushed through the western Great Lakes and brought
windy conditions and rain and snow showers to the Upper Midwest and
northern Plains. Both rainfall and snowfall were light. Winds gusted
to over 50 miles-per-hour in Wisconsin, with over 40 mph gusts in Iowa
and Illinois. Skies were clear over the Great Plains and Middle and
Lower Mississippi Valley regions. In the West, a large ridge of high
pressure dominated. Skies were sunny and clear over most of the
region. Dense fog that had blanketed areas of the Pacific Northwest
and California coastline dissipated during the afternoon hours.
In the East on Wednesday, isolated lake-effect snow showers continued
to impact portions of western New York, northwestern Pennsylvania,
northeastern Ohio, and portions of lower Michigan. Snowfall rates have
diminished considerably over the past twenty-four hours, with up to
six inches of new snowfall accumulation reported locally since early
this morning. A few lake-effect snow bands mixed with light rain and
ice pellets this afternoon, but no significant ice events were
reported. Elsewhere, mostly cloudy skies dominated the Northeast and
Middle Atlantic states; while high pressure brought clear to partly
cloudy skies to the majority of the middle and lower Mississippi
Valley, the Carolinas, the Tennessee Valley, Gulf Coast states, and
the Southeast. In the western two-thirds of the country, a weak
clipper system pushed across the Dakotas and into portions of the
upper Midwest late this afternoon, producing light snow showers over
northern Minnesota and Wisconsin. A few light rain showers were
reported further south into Iowa and southern Wisconsin early this
evening, but rainfall amounts remained under a tenth of an inch with
this activity. Further west, light rain showers continued across
northern Washington and into portions of the northern Rockies, while
the remainder of the Pacific Northwest observed mostly cloudy skies
throughout the afternoon. Otherwise, high pressure remained the
dominate weather feature across the majority of the Great Plains, the
Desert Southwest, the central and southern Rockies, the Great Basin,
and California, allowing for clear to partly cloudy skies and fair,
dry conditions.
In the East on Friday, morning fog limited visibilities to less than a
fourth of a mile in portions of the Mid-Atlantic. A mix of snow and
rainfall was also recorded with scattered showers stretching through
the region as an upper level disturbance passed through. Most rainfall
amounts and snowfall accumulations were light with less than a tenth
of an inch. The Ohio Valley also experienced scattered rain showers
with mostly cloudy to overcast skies and a trace of rainfall.
Meanwhile, the Tennessee Valley and the Southeast remained under high
pressure, partly cloudy skies, and dry conditions. In the West,
morning fog spread across the southern Plains, and the Upper and Lower
Mississippi Valley bringing visibilities in many areas to less than
fourth of a mile. Light snowfall was observed across the Upper
Mississippi Valley with only a trace to a half of an inch of
accumulation recorded in most places. A few higher accumulations were
recorded in Webster, Wisconsin and Cozy Corner, Wisconsin reporting an
inch and a half of snowfall. Elsewhere, the Pacific Northwest
experienced rainfall during the morning hours with less than half of
an inch in most places. For example, Renton, Washington received 0.15
inches of rainfall. High pressure with partly cloudy skies and dry
conditions remained entrenched over the Great Plains, the Rocky
Mountains, the Great Basin, and the Desert Southwest.

11th-17th...In the East on Monday, a warm front draped across the Great
Lakes and down through parts of the Northeast and Mid-Atlantic
produced some widely scattered rain showers this afternoon.
Zanesville, Ohio reported light rain last hour. A few showers and
isolated thunderstorms also moved across the Ohio and Pennsylvania
border last hour. Quite a bit of cloud cover was seen across much of
the Northeast and into the Mid-Atlantic along this warm front, along
with foggy conditions at times. Bradford, Pennsylvania, reported
visibilities reduced to under a quarter mile early this afternoon.
Other areas of cloudiness blanketed the Ohio and Tennessee Valleys
ahead of an approaching cold front from the Plains. A few showers
pushed in western Kentucky and western Tennessee as a result.
Otherwise, areas in New England, the Southeast, and much of Florida
featured partly to variably cloudy skies and dry conditions on this
Monday afternoon. In the central part of the country, a cold front
draped from the western Great Lakes back into the middle Mississippi
Valley and the Southern Plains provided scattered showers and
thunderstorms for many areas this afternoon. As of last hour, the
heavier activity was located in parts of Illinois and especially
Missouri. Otherwise, the remainder of the region featured partly
cloudy skies and dry conditions this afternoon. In the West, a potent
trough of low in the Pacific Northwest continued to generate unsettled
conditions for the region. Widespread rain showers impacted
Washington, Oregon, and into northern California. Last hour, moderate
to heavy rain was reported in Olympia, Seattle, and Shelton,
Washington. Moderate rain was also seen in Hillsboro and Salem,
Oregon. In northern California, Crescent City reported moderate rain
last hour. Rainfall amounts across the region have generally ranged
from a quarter to half an inch, with local amounts over an inch.
Meanwhile, in the higher terrain, snow showers fell across the
Cascades and the Sierra Nevadas, generally above 5500 feet. Snowfall
amounts of 1 to two inches were common in some spots. The other
weather story throughout the Northwest was the gusty winds. Wind gusts
in excess of 50 mph have been common across the region.
In the East on Wednesday, areas of patchy fog impacted portions of the
Mid-Atlantic. To the south, isolated showers hung over southeastern
Florida. By the early afternoon, scattered showers developed in the
Tennessee Valley. Elsewhere, mostly cloudy skies dominated the
Northeast, Great Lakes, Ohio Valley and the Gulf Coast states, with
clear to partly cloudy skies in the Southeast and the Carolinas. In
the western two-thirds of the country, light snow showers were
observed in the upper Mississippi Valley and the central Rockies. In
addition, gusty winds up to 40 mph were reported over the upper
Mississippi Valley and the northern Plains. To the south, scattered
showers formed in the middle Mississippi Valley. Elsewhere, areas of
patchy fog impacted the Pacific Coast. Conditions in much of the
Desert Southwest, northern Rockies and southern Plains were dry with
clear to partly cloudy skies.
In the East on Friday, a strong low pressure system gradually pushed
northward across northern New England this afternoon, triggering
scattered rain showers along the coast, and snowfall throughout the
interior. Snowfall accumulations ranged from a trace to nearly 8
inches in lake-effect prone areas of the Northeast. Farther south,
scattered snow showers also impacted the interior Northeast and lower
Great Lakes, with 1 to 2 inches of accumulation reported in parts of
western New York and Pennsylvania. To the west, additional rain and
snow showers moved into the northern Ohio Valley and the upper Great
Lakes, but rain and snowfall totals have remained generally light.
Meanwhile, the remainder of the East, including the southern Ohio and
Tennessee Valleys, Middle Atlantic, Mississippi River Valley, Gulf
Coast, Southeast, and Florida, featured partly cloudy skies and dry
conditions through the evening hours. In the central part of the
nation, rain and snow showers developed over the western Great Lakes
and upper Midwest, in association with a weak short-wave trough moving
through the area. To the west, a stationary front extending from the
northern High Plains into the Dakotas, brought overcast skies as well
as light rain and snow showers to the region. Skies remained clear to
partly cloudy across the majority of the central and southern Plains,
with high pressure to the west and east. Farther south, a mid-level
trough coupled with orographic lift, triggered areas of scattered
showers and a few embedded thunderstorms across portions of western
Texas and eastern New Mexico. Rainfall totals with this activity have
remained generally light, with under a quarter-inch of rain reported.
In the West, areas of scattered showers continued to impact the
Pacific Northwest and northern Rockies, with upwards of 1 inch of rain
reported in Washington. A few snow showers fell across higher
elevations of the Cascade Mountains, but no significant snowfall was
evident. Otherwise, the remainder of the western states featured
partly cloudy skies and dry conditions.

18th-24th...In the East, isolated light rain and snow showers continued
across southern portions of the Northeast and along the Great Lakes.
Total rainfall accumulation remained under a quarter of an inch, with
snowfall amounts merely traceable. Otherwise, an upper-level ridge
centered over the lower Tennessee Valley, brought fair skies and dry
conditions to the remainder of the eastern United States, including
the Mississippi Valley, the Ohio and Tennessee Valleys, and the
Southeast. High temperatures climbed into the 30s and 40s across the
Great Lakes and Northeast; the 40s to the 60s over the northern Ohio
Valley and Middle Atlantic States; and the 70s and 80s throughout the
Southeast, middle and lower Mississippi Valley, the Southeast, and the
Tennessee Valley. In the West, an upper-level trough approaching the
northern High Plains, triggered heavy snow showers from the Cascade
Mountains eastward, into central and eastern Montana. Snowfall
accumulations of 4 to 8 inches was reported over the Idaho Panhandle
into western Montana, with upwards of 12 inches across central Montana
and the northern Rocky Mountains. Farther south, strong southerly
winds coupled with an area of high pressure, brought fair skies and
dry, mild conditions to the Desert Southwest, central Rockies, and the
central and southern Plains. Temperatures ranged from 10 to nearly 30
degrees above seasonal normals throughout the Great Plains and into
the High Plains; while wind speeds sustained at 20 miles per hour and
gusting to over 30 miles per hour, was common over the Great Basin and
central Rockies. Isolated to scattered showers were also observed from
the Pacific Northwest into the lower elevations of the northern Great
Basin throughout the afternoon, but rainfall totals remained light.
Elsewhere, partly cloudy skies and dry, tranquil weather conditions
were reported along the northern Plains, the lower Great Basin, and
California.
In the East on Wednesday, showers and thunderstorms developed along a
cold front over the southern Great Lakes. No severe weather occurred
with these storms, however, heavy rainfall was reported in Indiana as
over 2 inches fell. Rain and snow showers associated with the front
were reported in northern New York and northern New England. Farther
south, strong thunderstorms fired ahead of a cold front located near
the Mississippi River. Hail and gusty winds occurred. Rainfall over an
inch occurred in the Lower Mississippi Valley and Tennessee Valley.
Skies were sunny to partly cloudy and dry over the Southeast and Mid-
Atlantic regions. In the Plains, a storm system brought rain showers,
thunderstorms, and snow to the area. Strong thunderstorms developed
along a cold front over the Ozarks and Texarkana region. Gusty winds,
heavy rainfall, and frequent lightning were reported. Rain showers and
a few embedded thunderstorms were recorded over the Mid-Mississippi
Valley region. The rain started to change to freezing rain and snow by
early afternoon. Snow showers fell across the central Plains and
Midwest. Accumulations over 5 inches were reported in central Iowa.
Skies were partly cloudy over the northern Plains and western half of
Texas. In the West, high pressure dominated a large portion of the
region. Skies were partly cloudy to mostly sunny over the Pacific
Northwest, California, Great Basin, and southern Rockies. High clouds
streamed across the central Rockies. Light snow showers were reported
in Montana.
In the East on Friday, light snowfall affected portions of the
Northeast and New England during the daytime hours. Snow accumulations
were generally less than 2 inches in association with this activity.
Early morning snowfall fell across the Ohio Valley and the Great Lakes
region in association with the storm over the Northeast, Many other
locations received up to 3 inches of snowfall from this system. The
Southeast, the Middle Atlantic, and the Tennessee Valley were under
fair skies with dry conditions as high pressure remained in control
over the region. Across the western two-thirds of the nation,
generally fair skies with dry conditions were observed across the
Mississippi Valley and the central and northern Plains with high
pressure in place. A weak upper level system brought early season
snowfall to portions of western Texas and the southern and central
Rockies, with some localized accumulations of over 2 inches observed.
Texline, Texas reported 3 inches of snowfall, while Stratford, Texas
reported 3 inches. Boise City, Oklahoma reported 2 inches of snowfall
from this activity. A ridge of high pressure was in place across the
remainder of the western two-thirds of the nation, bringing fair skies
with dry conditions.

25th-30th...In the East on Monday, a low pressure system produced
scattered showers across much of the Ohio and Tennessee Valleys,
Appalachians, Gulf Coast states, Southeast, Mid-Atlantic, and the
Northeast. Rainfall rates were locally heavy across many areas. Into
the early afternoon, isolated severe thunderstorms developed in the
Panhandle of Florida. In addition, areas of patchy fog impacted much
of the Atlantic Coast. In the western two thirds of the country,
scattered showers pushed across the Mississippi Valley, Midwest, and
portions of the Central Plains. Rainfall was locally heavy at times.
To the west, areas of patchy fog were reported in the Pacific
Northwest and California. Mostly cloudy skies dominated the Northern
Plains and the Rockies, with partly cloudy skies in the Southern
Plains, Great Basin, and Desert Southwest.
In the East on Wednesday, lake effect snow showers developed over the
Great Lakes. The heaviest snowfall was over Michigan, with lighter
amounts over western and northern New York and western Pennsylvania.
Skies were partly cloudy over the Ohio Valley and Northeast throughout
the day. A few isolated showers developed over Florida, and a few
brought over half-an-inch of rainfall. Sunny skies were observed over
the Mid-Atlantic, Southeast, and Deep South. In the center of the
nation, a cold front moved through the Midwest and southern Plains. A
few light rain and snow showers developed along the front in the
Midwest, but the Plains remained dry. Skies were clear across the
northern and central Plains for most of the day. Along the Gulf Coast
and Mississippi Valley, skies were partly cloudy and dry. In the West,
gusty winds were reported across Southern California throughout the
day as a system remained offshore. A few locations observed gusts over
60 mph. Farther east, snow showers fell over the Great Basin and
central Rockies early in the day. Snow accumulations of 5 inches were
reported around Breckenridge, Colorado, with a few locally higher
amounts. Rain and snow showers moved onshore in the Pacific Northwest
ahead of an approaching system. Skies were partly cloudy by afternoon
over the Rockies, Great Basin, Desert Southwest, and California.
In the East on Friday, snow showers developed over the eastern Great
Lakes. Accumulation was light. Lake effect snow was reported in
northern Michigan. Accumulations ranged between four and ten inches.
Calumet, Michigan, in the Panhandle, recorded ten inches of snow in 12
hours. Elsewhere, skies were partly cloudy to mostly sunny and dry
over the Southeast, Deep South, Mid-Atlantic, Ohio Valley, and New
England. Over the central region, a developing low pressure system was
located in the high Plains. The system brought clouds and rain showers
to the southern Plains and Ozarks. Rainfall was light. Further north,
skies were partly cloudy in the northern and central Plains, Midwest,
and Mississippi Valley. In the West, the same low pressure system in
the high Plains produced heavy rainfall in the southern Rockies,
Desert Southwest, and southern California. Flooding was reported in
southern California, and flooding was expected in Arizona. Several
areas in California received well over an inch of much needed
rainfall. Rain and snow showers were also reported in the Great Basin,
mainly in the mountains. Skies were partly cloudy in the central and
northern Rockies, while sunny skies were observed in the Pacific
Northwest.