National Weather Summary Auust 2005
- From: james.munley@xxxxxxxxxxx
- Date: 16 Sep 2005 11:03:21 -0700
NATION WEATHER SUMMARY
AUGUST 2005
1st-6th...Daytime heating and abundant moisture continued to produce
scattered showers and thunderstorms over the Deep South, eastern Gulf
Coast, Florida, Carolinas, and southern portions of the Tennessee
Valley. Only a few isolated incidents of severe storms had been
reported during the afternoon and early evening hours where the main
threat was damaging winds and large hail. To the north, an upper-level
disturbance produced scattered showers and thunderstorms over portions
of the Northeast. Severe storms affected central New York, southern
Vermont, and western Massachusetts where large hail to the size of
quarters and damaging winds up to 50 mph affected the states. The Great
Lakes and Ohio River Valley were under the influence of high pressure
that provided partly cloudy skies and dry conditions. In the central
section of the Nation, a strong ridge of high pressure dominated the
majority of the region's weather with mostly sunny skies with hot and
dry conditions. In fact, high temperatures across the Plains ranged in
the middle 90's to near 110 degrees in a few spots. For instance, Hays,
KS, had an afternoon temperature of 108F, and Dodge City, Kansas, had a
high of 103F. A few passing clouds and isolated showers were found in
North Dakota. Further south, scattered showers and thunderstorms
affected the Gulf Coast of southeastern Texas and Louisiana. Over the
West, a pair of upper-level disturbances brought mostly cloudy with
scattered showers and thunderstorms to the Central to Northern Rockies,
Great Basin, Four Corners, Desert Southwest, and far southern
California. Some isolated severe storms were found over portions of the
aforementioned regions as the main threat was damaging winds. The
Southern Rockies, central to northern California, and Pacific Northwest
remained dry and under partly cloudy skies.
Thunderstorms hit the Gulf Coast and other parts of the Southeast on
Wednesday. Showers tapered off in northern New York, Vermont and New
Hampshire, while the rest of the East Coast reported dry conditions and
clear to partly cloudy skies.
In the Midwest, widely scattered showers and thunderstorms were
reported in the Dakotas, Minnesota, western Nebraska, Iowa and northern
Illinois. Showers also dampened parts of the Rockies. Dry conditions
and partly cloudy skies prevailed in the rest of the region.
7th-8th...Rain fell across much of the nation's eastern third on
Monday, as well as in parts of Texas, the northern Plains and the
Southwest. Showers and thunderstorms continued to spread over the
Mid-Atlantic, Appalachians, Carolinas, eastern Tennessee Valley, Deep
South and eastern Gulf Coast. Mount Holly, NJ, received more than 3
inches of rain, and Johnstown, PA, recorded more than 1 1/2 inches.
Partly cloudy skies with muggy conditions affected the Ohio Valley and
Great Lakes. Scattered thunderstorms persisted from central to northern
Texas. Similar conditions prevailed in the northern Plains and western
Great Lakes. Elsewhere in the nation's midsection, it was sunny and
hot. Across the West, isolated showers and thunderstorms affected parts
of Arizona, New Mexico, southern California and southern Nevada.
Tucson, AR, reported nearly an inch or rain. Coastal fog affected much
of California, as well as portions of Oregon and Washington. The rest
of the West had partly cloudy skies and dry conditions.
In the East, an upper-level disturbance brought another round of
showers and thunderstorms to the Southeast Wednesday afternoon. A few
of these storms were strong with frequent lightning, gusty winds, small
hail, and heavy downpours. Elsewhere, a cold front pushing through the
Great Lakes region, the Ohio Valley, and into the Northeast, produced a
line of showers and thunderstorms across the region. The main concern
with this activity was strong and damaging winds. In fact, there were
many reports of downed trees and power lines throughout Indiana and New
York. As for the Tennessee Valley and much of the Mid-Atlantic, partly
cloudy skies and fair conditions prevailed. High temperatures were in
the mid and upper 80s in the Northeast, the Great Lakes, and much of
the Ohio Valley; and into the upper 80s and lower 90s in the
Mid-Atlantic, the Tennessee Valley, and the Southeast. In the central
part of the country, a large cluster of showers and thunderstorms
affected parts of southern and eastern Texas, producing frequent
lightning, gusty winds, and heavy downpours. Flash flooding was the
main issue as rainfall amounts of over an inch were common. Rain
showers and isolated strong thunderstorms also developed across the
northern and central Plains, and the Mid Mississippi Valley. These
storms contained frequent lightning, gusty winds, small hail, and brief
heavy downpours. In fact, quarter size hail was reported in Rising
City, Nebraska, and there were various other reports of nickel and
penny size hail throughout the area. Winds of 70 mph also caused two
anchored sheds to be moved off the foundations in Springview, NE.
Otherwise, partly cloudy skies and fair conditions dominated the rest
of the region. High temperatures got into the 70s and mid 80s in the
northern Plains, the Upper Mississippi Valley, and parts of western
Texas; and into the 90s in the central and southern Plains, and the Mid
and Lower Mississippi Valley.
In the West, monsoonal moisture once again brought afternoon and
evening showers and thunderstorms to the high Plains, the Rocky
Mountain region, eastern portions of the Great Basin, and the Desert
Southwest. Most of this activity remained under severe limits; however,
one storm in Dubois, Idaho produced penny size hail that covered the
ground for a short amount of time. Half dollar size hail also pounded
parts of Yuma, Colorado, and quarter size hail was reported in Melrose,
Montana. Rainfall was briefly heavy in localized areas. A ridge of high
pressure dominated the Pacific Northwest, western locations of the
Great Basin, and much of California, allowing for mostly sunny skies
and dry conditions. High temperatures got into the 60s and 70s along
the coastal regions of the Pacific Northwest and California; into the
upper 70s and 80s in the northern and central high Plains, the Rocky
Mountains, and inland portions of the Pacific Northwest; and into the
upper 80s and 90s in the southern high Plains, inland California, and
the Desert Southwest.
A trough of low pressure hanging over the Great Lakes region, much of
the Ohio Valley, and the Northeast, continued to produce scattered rain
showers and thunderstorms across the region on Friday. A few storms did
become severe with frequent lightning, strong winds, small hail
isolated tornadoes, and brief downpours. A brief tornado was spotted in
Wellsville, New York, and there were various other reports of downed
trees and power lines. Rainfall amounts generally light; however,
Monticello, New York received 2.21 inches of rain. Afternoon and
evening showers and thunderstorms developed once again throughout much
of the Southeast. These storms were fairly general in nature with no
reports of severe weather. Otherwise, partly cloudy skies and warm
conditions prevailed throughout the rest of the region. High
temperatures were in the upper 70s and the 80s in the Great Lakes and
much of the Northeast; into the upper 80s and lower 90s in the
Southeast; and into the mid and upper 90s in the Ohio and Tennessee
Valleys, and the Mid-Atlantic region. In the central part of the
country, numerous showers and strong to severe thunderstorms affected
the central and southern Plains, and the Upper and Mid Mississippi
Valley. Cooler conditions swept across the northern and central Plains
with some locations being as much as 10 to 15 degrees cooler than the
day before. In fact, North Platte, Nebraska only reached a high
temperature of 72F, which is 14 degrees cooler than the day before.
High temperatures got were in the upper 60s and 70s in the northern and
central Plains, and the Upper Mississippi Valley; and into the 90s and
lower 100s in the southern Plains, and the Mid and Lower Mississippi
Valley. In the West, another day and another round of afternoon and
evening showers and thunderstorms for the high Plains, the Rocky
Mountain region, the eastern half of the Great Basin, and the Desert
Southwest. Frequent lightning, gusty winds, small hail, and brief heavy
downpours were associated with the stronger storms. There were no
reports of severe weather; however, heavy rainfall did cause localized
areas of flash flooding. Elsewhere, the first snowfall of the season
occurred in Swan Lake, Montana where 1 inch of new snow was measured at
7000 feet. Otherwise, mostly sunny skies and fair conditions were
experienced across the inland regions of the Pacific Northwest and
California, and the western half of the Great Basin. High temperatures
were in the 60s and 70s along the coastal regions of the Pacific
Northwest and California, and the high Plains; into the 70s and 80s in
the central and southern high Plains and the inland region of the
Pacific Northwest; and into the 90s and lower 100s across inland
California, the Great Basin, and the Desert Southwest.
14th-20th...Parts of Texas and Oklahoma were hit by flash flooding
Sunday as rain
and thunderstorms affected many areas of the country. Flash flooding
was a problem in four counties in northern Texas. Pauls Valley, OK,
reported receiving more than 2.25 inches or rain, and Shawnee, OK, and
Guthrie, OK, both reported nearly 2 inches of rain. The Mississippi
Valley, southern Plains and northern Arkansas reported widespread
showers and thunderstorms, while storms continued across the Northeast,
lower Great Lakes, Ohio Valley and northern Tennessee Valley. Scattered
showers developed along the coast of the Carolinas and
Florida. No severe weather was reported. In the West, scattered showers
and thunderstorms have dampened parts of the Southwest and the central
and southern Rockies. No severe weather was reported, but Roswell, NM,
received more than an inch and a half of rain. The northern Plains,
upper Mississippi Valley and much of the Mid-Atlantic, Tennessee Valley
and Southeast enjoyed partly cloudy skies and dry conditions. Higher
pressure produced partly cloudy skies and dry conditions throughout the
Pacific Northwest, northern and central Rockies, northern High Plains,
Great Basin, and California.
A low pressure system brought scattered rain showers and thunderstorms
to the Great Lakes during the morning hours on Friday. A few storms in
northern Michigan, became severe in nature, before sunrise, with
lightning, strong winds, hail, and heavy downpours being the main
concerns. Numerous reports of trees being blown down was reported in
Michigan after midnight. During the afternoon and evening, these rain
showers and thunderstorms moved off to the east leaving partly to
mostly cloudy skies and dry conditions. An associated cold front,
attached to the low pressure system moved before, brought scattered
rain showers and thunderstorms to the Ohio Valley. These showers
lingered until mid-morning before moving off to the east bringing clear
to partly cloudy skies and dry conditions in the afternoon and early
evening. Further east, an associated warm front, from the low pressure
mentioned before, brought scattered rain showers and thunderstorms to
western portions of the Northeast, and upper portions of the
Mid-Atlantic states. During the late afternoon and evening, the low
pressure mentioned before moved into western portions of the Northeast,
bringing scattered rain showers and thunderstorms. Some of the storms
in western New York and western Pennsylvania became severe in nature
with lightning, strong winds, hail, and heavy downpours being the main
concerns. Further south, the Southeast remained dry during the morning
and early afternoon hours bringing clear to partly cloudy skies and dry
conditions. From the mid-afternoon into the early evening, widely
scattered rain showers and thunderstorms fell in portions of the
Southeast. A few of these storms became severe in nature with
lightning, strong winds, hail, and heavy downpours being the main
concerns. Two funnel clouds were reported near Key West with one
developing in the early afternoon and another developing in the late
afternoon. The only area to remain dry during the day was in western
portions of the Northeast where clear to partly cloudy skies and dry
conditions prevailed. Highs today were in the 70's in the Northeast;
70's and 80's in the Great Lakes; 80's and 90's in the Ohio Valley and
Mid-Atlantic states; and 90's in the Tennessee Valley and Southeast. In
the mid-section of the United States, scattered rain showers and
thunderstorms fell in portions of the Northern Plains. A few of the
storms in the morning and early afternoon became severe in nature with
lightning, strong winds, hail, and heavy downpours being the main
concerns. After these storms passed, clear to partly cloudy skies and
dry conditions was present in the Dakotas. The eastern portions of the
Northeast remained partly to mostly cloudy throughout the day. Also
during the morning hours, rain showers and thunderstorms fell in
portions of the Upper and Mid-Mississippi Valley. A few storms in this
area became severe in nature just after midnight. Throughout the day, a
developing low pressure system brought scattered rain showers and
thunderstorms to the Central Plains. Some of the storms in Kansas,
southeastern Nebraska, northwestern Missouri, and western Iowa became
severe in nature with lightning, strong winds, hail, tornados, and
heavy downpours being the main concerns. Hailstones of one inch in
diameter were reported in Liberty, Missouri as well as Simpson, Sylvan
Grove, Nekoma, Rozel, McCracken, Timken, and Schoenchen, Kansas.
Tornados formed and were reported near Great Bend, Hoisington, Geneseo,
Bushton, and Ellinwood, Kansas. During the afternoon and early evening,
scattered rain showers and thunderstorms also developed in southern
Texas, eastern Texas, and Louisiana due to ample moisture and day-time
heating. The remainder of the region was under the influence of high
pressure, which brought clear to partly cloudy skies and dry
conditions. Highs were in the 70's and 80's in the Northern Plains;
80's and 90's in the Upper Mississippi Valley and Central Plains; and
90's in the Mid-Mississippi Valley, Lower Mississippi Valley, and
Southern Plains. In the West, lightly scattered showers and mostly
cloudy skies lingered behind a migrating frontal boundary across the
northern High Plains, northern Rockies, and northern Great Basin during
the morning and early afternoon hours. From the mid-afternoon into the
early evening, scattered rain showers and thunderstorms developed and
fell in portions of the Central Rockies, Southern Rockies, Desert
Southwest, and eastern portions of the Great Basin. A few of the storms
in Arizona became severe in nature with lightning, strong winds, and
heavy downpours being the main concerns. Also, a storm near the Kansas
border produced large hail with Arapahoe, Colorado reporting a
hailstone of two and a half inches in diameter. The remainder of the
region was under the influence of high pressure, which brought clear to
partly cloudy skies and dry conditions. Highs were in the 70's in the
Northern Rockies; 70's and 80's in the Central Rockies; 80's and 90's
in the Southern Rockies and Great Basin; 60's to 90's in the Pacific
Northwest; 70's to 100's in the Desert Southwest; and upper 50's to
100's in California.
21-27th...Afternoon and evening showers and thunderstorms developed
across the Tennessee Valley and the Southeast for another day on
Monday. A few of these storms did become severe with frequent
lightning, strong winds, large hail, and heavy downpours. Quarter size
hail was reported in Holly Pond, Alabama and Hanahan, South Carolina.
Lightning also struck a person in Barnwell, South Carolina; however, it
is unknown if there were injuries as a result of the strike. Heavy
rainfall of over an inch did affect a few locations. A few showers
popped up across parts of the Northeast, but rainfall amounts remained
under a quarter of an inch. Otherwise, high pressure dominated the rest
of the region providing partly cloudy skies and warm conditions. High
temperatures were in the 70s and lower 80s in the Northeast, the Great
Lakes, and the Ohio Valley; and into the upper 80s and middle 90s in
the Mid-Atlantic, the Tennessee Valley, and the Southeast. In the
center of the country, numerous rain showers and thunderstorms affected
the central and southern Plains, and the middle and lower Mississippi
Valley. The main concern with this activity was frequent lightning,
gusty winds, large hail, and very heavy downpours. As for the northern
Plains and the Upper Mississippi Valley, partly cloudy skies and dry
conditions prevailed. High temperatures were in the upper 60s and 70s
in the Upper Mississippi Valley; into the upper 70s and lower 80s in
the northern Plains and the Mid Mississippi Valley; into the mid 80s to
the lower 90s across parts of the southern Plains and the central
Plains; and into the mid 90s to the lower 100s in central and southern
Texas, and the lower Mississippi Valley. In the West, a moist and
unstable airmass allowed for afternoon and evening showers and
thunderstorms across the High Plains, the Rocky Mountain region, the
Great Basin, and the Desert Southwest. Frequent lighting, gusty winds,
small hail, and brief heavy downpours were associated with these
storms. Elsewhere, hot and dry conditions dominated the Pacific
Northwest, California, and western portions of the Great Basin. High
temperatures got into the 60s and 70s along the coastal regions of the
Pacific Northwest and California; into the 80s and lower 90s across the
High Plains, the Rocky Mountain region, the Great Basin, much of inland
California, and the inland regions of the Pacific Northwest; and into
the mid 90s to the lower 100s in southeastern California and the Desert
Southwest.
Hurricane Katrina brought heavy rain showers and damaging winds to
Southern Florida and the Florida Keys. Major flooding has been a main
concern for southern Florida and the Florida Keys. Key West, Florida
reported 9.24 inches of rain and Marathon, Florida reported 6.51 inches
of rain. A few rain bands made their way into northern Florida,
however, these showers were widespread. Sustained winds with this storm
have reached up to 74 mph in Key West, Florida. A tornado was reported
with this storm in Marathon, Florida during the early morning hours.
Further north, a frontal boundary pushed through Upper portions of the
Mid-Atlantic states, Ohio Valley, and Great Lakes bringing scattered
rain showers and thunderstorms. This frontal boundary pushed further
south during the afternoon and evening also bringing scattered rain
showers and thunderstorms to the Tennessee Valley. A few storms in
Tennessee, Kentucky and Indiana became severe in nature with lightning,
strong winds, hail, and heavy downpours being the main concerns. Highs
today were in the 70's and 80's with the exception of western and
southern portions of the Southeast were lower 90's were found. In the
mid-section of the United States, a broad band of scattered rain
showers and thunderstorms fell in the Central Plains, eastern portions
of the Northern Plains, the Upper Mississippi Valley, and
Mid-Mississippi Valley due to a cold front moving through the area and
a series of shortwaves moving through the Central Plains. Some of the
storms in the Upper Mississippi Valley, mid-Mississippi Valley, and
eastern portions of the Central Plains became severe in nature with
lightning, strong winds, hail, and heavy downpours being the main
concerns. During the afternoon and early evening, scattered rain
showers and thunderstorms formed and fell in portions of the Lower
Mississippi Valley. A few isolated severe thunderstorms developed with
lightning, strong winds, hail, and brief heavy downpours being the main
concerns. A hailstone of one inch in diameter was reported near
Stinnett, Texas. The remainder of the region was under the influence of
high pressure, which brought clear to partly cloudy skies and dry
conditions. Highs were in the 70's and 80's in the Northern Plains and
Upper Mississippi Valley; 80's and 90's in the Central Plains and
Mid-Mississippi Valley; and 90's and 100's in the Southern Plains and
Lower Mississippi Valley. In the west, scattered rain showers and
thunderstorms formed during the afternoon and evening in the Central
and Southern Rockies. None of these showers and storms became severe in
nature and rainfall amounts were under a quarter of an inch. The
remainder of the region was under the influence of high pressure, which
brought clear to partly cloudy skies and dry conditions. Highs today
were in the 80's for the Northern Rockies; 80's and 90's for the
Central and Southern Rockies; 80's and lower 90's in the Great Basin;
upper 70's to 100's in the Desert Southwest; 60's to lower 90's in the
Pacific Northwest; and upper 50's to lower 110's in California.
28th-31st...The remnants of Hurricane Katrina moved through the eastern
United States on Tuesday, dropping more than 5 inches of rain in some
areas. A total of 5.5 inches of rain had fallen in New Bedford, Mass.,
while more than 2 inches were reported across portions of Rhode Island.
Parts of Kentucky were hit with more than 3 inches of rain, and flash
flood and rising river warnings were issued in some areas. Katrina,
which had weakened to a tropical depression Tuesday, also brought
scattered showers and thunderstorms to parts of the Midwest. Dry
weather and partly cloudy skies were reported across much of the
western United States.
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