March 2009 National Weather Summary
- From: Jim <jamesmunley@xxxxxxxxxxx>
- Date: Mon, 13 Apr 2009 15:49:33 -0700 (PDT)
NATIONAL WEATHER SUMMARY
MARCH 2009
1st-7th…A Severe winter storm hit the East Coast on Monday as a low
pressure system tracked northward from the Carolinas. The system
pushed abundant moisture onshore, allowing for moderate to heavy
precipitation over the Mid-Atlantic States and New England. In
Leverette, Maine, 2 to 4 inches of new snowfall accumulation has been
reported, while some areas of New England saw closer to a half of a
foot. This system also brought strong winds to the region, Cottekill,
New York reported 22 mph sustained winds with gusts up to 33 mph. Warm
air associated with this system brought a combination of mixed
precipitation to the Northeast, thus, the region saw problems with
icing and dangerous driving conditions. Meanwhile, the Mid-Atlantic
States saw light rain and a decreasing cloud cover as this system
moved northward. Less than a tenth of an inch of precipitation has
been reported across the region. Moving west, another low pressure
system spun off the coast of California and Oregon on Monday. This
system pushed a cold front onshore, which triggered moderate and
consistent rain showers over northern California with lighter rainfall
extending into Oregon. In Sacramento, California, 1.02 inches of rain
has been reported, while 0.29 inches were reported in Medford, Oregon.
Snow fell over the Sierra Nevadas and Cascades, with 2 to 4 inches
reported and up to 6 inches reported above 7000 feet. Strong winds
also swept through the region with 43 mph gusts reported in Cohasset,
California. In the center of the nation, high pressure built in over
the Plains between the two low pressure systems on the coasts. This
allowed for dry and cool air to pour in from the north. The Southern
Plains reached into the 60s while the Northern Plains saw highs in the
lower 20s.
Active weather continued in the Western US as a low pressure system
hovered over northern California. The system had abundant Pacific
moisture associated with it and produced a cold front that tracked
over the Pacific Northwest and Intermountain West. Total new snowfall
accumulation ranged from 2 to 4 inches in the Great Basin, while 1 to
3 inches fell over the Sierra Nevadas. Oregon saw light rain with less
than a quarter of an inch with light flurries at higher elevations.
This system also brought strong winds to the region, Eureka, Nevada
reported 24 mph winds gusting up to 45 mph. Moving east, the low
pressure system over the Rockies pushed a moist warm front clear into
the Northern Plains. This was sufficient to trigger light and
scattered showers of mixed precipitation. North and South Dakota saw
freezing rain as temperatures hovered above freezing. The Southern and
Central Plains saw increasing winds as the low pressure system
approached from the West. Amarillo, Texas reported 25 mph winds ,
gusting up to 36 mph. Mostly sunny skies over the region allowed for
high temperatures to reach into the 80s and 90s. These warm and windy
conditions increased fire threats over the region. Meanwhile, a large
ridge of high pressure hovered over the East Coast which brought warm
and pleasant weather with mostly sunny skies. Northern New York saw
light lake effect snow flurries on Wednesday morning, but diminished
rapidly with the dry high pressure system. New England saw highs in
the 30s, the Mid-Atlantic States reached into the 40s and 50s, while
the Southeast reached into the 60s.
The country saw seasonably warm temperatures on Friday as a low
pressure system in the Central Rockies pulled warm air in from the
south. This created a warm front which triggered clouds and light rain
over the Central Plains and brought strong winds to the region. In
Garden City, Kansas, 23 mph winds with gusts up to 31 mph were
reported with highs in the mid-70s. The Northern Plains reached into
the mid-40s, while the Southern Plains saw highs in the 80s. Fires
continued to threaten the South due to persistent warm and dry
conditions. In the East, a strong low pressure system moved over
eastern Canada on Friday and brought light snow to the extreme
Northeast. In Pine Knoll, Maine, 0.17 inches of a mix of freezing rain
and snow was reported. Meanwhile, the system produced a front that
extended down the Ohio River Valley and into the Mid-Mississippi
Valley, kicking up clouds but precipitation has not yet been reported.
However, strong winds have been associated with this front, with Elma,
New York reporting 28 mph winds gusting up to 39 mph. Warm
temperatures persisted over the region with highs in the mid-50s in
New England, near 70 in the Mid-Atlantic States, and approached 80 in
the Southeast. The Great Basin and Northern Rockies continued saw
light snow showers due to a low pressure system that slowly moved over
the region. No significant new snowfall accumulation has been
reported. Further west, a ridge of high pressure built over the West
Coast, which allowed for seasonable temperatures to return.
8th-14th…Today's main weather activity occurred over the Northern US
and the Central Plains. In the North, an Arctic frontal system dropped
southward across the Northern Plains and produced wintry precipitation
across the Northwest, Northern Plains, and Upper Mississippi Valley.
Blustery winds streamed in behind the system, allowing arctic air to
plunge into the region. Temperatures were significantly lowered and
windchills reached bitter extremes. Cold temperatures supported
numerous bands of light to moderate snow showers, with pockets of
heavy snowfall across these regions. The Northwest, Northern Plains,
and Upper Mississippi Valley remained under Winter Storm Warnings and
Wind Chill Advisories. To the south, a trough of low pressure dug into
the Central Plains this afternoon, while sub-tropical moisture flowed
across the Southwest into Kansas. Moist flow across the Southwest
triggered pockets of light showers over Arizona and New Mexico
throughout the day. Scattered rain showers and isolated thunderstorms
also developed across Kansas and Missouri during the morning and
afternoon. Rainfall amounts have generally been less than one tenth of
an inch. Meanwhile, a winter storm system over the Northeast exited
into the Atlantic Ocean this morning. Wrap-around moisture continued
to trigger light, scattered snow showers across New England throughout
the afternoon. The remainder of the nation saw predominantly fair
weather conditions today due to dominating areas of high pressure.
Today's main weather activity occurred over the Eastern US as a cold
front continued to produce mixed precipitation and thunderstorm
activity.
In the Northeast, a major storm system over the Great Lakes lifted
into southeastern Canada today. A cold front associated with this
system continued to produce mostly cloudy conditions with mixed
precipitation across New England throughout the morning and afternoon.
The heaviest amounts of precipitation fell across Rhode Island and
Connecticut. Showers began to taper off by the afternoon as strong 20
to 30 mph winds with gusts up to 40 mph pushed the front toward the
East Coast. Behind this system, frigid air continued to stream into
the region, yielding to cold afternoon temperatures. Active weather
also developed over the southern half of the front that extended
through the Southeast and the Southern Plains. The system triggered
cloudy conditions with light, scattered rain showers and sprinkles
across the Ohio and Tennessee Valleys. Meanwhile, the Lower
Mississippi Valley and the Southern Plains saw light to moderate rain
showers with periods of heavy localized rainfall. The heaviest
rainfall and strongest thunderstorms occurred over central Texas.
Northeast winds accompanied storms and pushed unsettling weather into
northern Texas. Elsewhere, the remainder of the nation saw
predominantly quiet weather activity today due to dominating areas of
high pressure. Temperatures and wind chills across the Northern US
remained fairly frigid, while conditions across the West Coast became
slightly warmer.
The most remarkable weather in the country occurred in the Southeast
and up into the Appalachian Mountains on Friday. A weak front lingered
along the Gulf Coast and up through the Southeast and allowed
considerable moisture to stream into the Southeast. This produced
widespread moderate rain from Texas through the Carolinas. In the cold
air over the Southern Rockies, snow developed in Colorado and New
Mexico. A mixture of rain and snow fell in the Appalachians in the
early morning hours, but this precipitation quickly moved into the Mid-
Atlantic and became rain.
A high pressure system that stretched from the Northeast into the
Central Plains provided dry conditions for this wide swath of the
country. High pressure was also a staple in the Northwest as dry
conditions were also widespread in that region. The Northeast rose
into the 30s and 40s, while the Southeast saw a range of temperatures
from the 40s in the north to the 80s in Florida. The Upper Midwest
rose into the 30s and 40s, while the Northwest saw temperatures in the
40s and 50s.
15th-21st…The East Coast saw active weather on Monday as a lingering
front hovered over the South. A low pressure system sat just off shore
and produced a stationary front that extended into Alabama. Moderate
to heavy showers and thunderstorms developed over the region, with
Range, Alabama reporting 1.42 inches of rain. Dense fog stretched from
Alabama to North Carolina, while strong winds were reported in
Jackson, Florida. The Northeast saw increasingly cloudy skies and
seasonable temperatures. In the West, high pressure dominated over the
Plains and Mississippi River Valley. This allowed for sunny skies and
seasonably warm temperatures. Upper Midwest reached into the mid-60s,
while the Central and Southern Plains reached highs in the mid-70s to
80. Flooding problems continued along the Mid- to Lower Mississippi.
Further west, a low pressure system over the Northern Rockies brought
moderate snowfall to the region. Approximately 1 to 3 inches of new
snow fell over Idaho and Montana, with greater accumulation at higher
elevations. The system also produced a warm front that extended over
North Dakota and triggered a few clouds, but precipitation has not yet
been reported. The Pacific Northwest saw light scattered rain showers
as a low pressure system moved in from the Pacific Ocean. The system
pushed abundant moisture onshore, which stretched into northern
California, bringing cloudy skies without any precipitation.
The nation's most active weather occurred across the Great Lakes and
the southern tip of Florida on Wednesday. In the North, numerous
showers developed behind a cold front that sagged across the Great
Lakes this afternoon. As the system dipped southward, a weak wave of
low pressure developed along the front and supported mixed
precipitation development across areas of the Upper and Lower Great
Lakes. Light, widespread showers with isolated thunderstorms were
produced over northern Ohio, while light, scattered rain showers were
noted from Indiana to Missouri. Areas of northern Illinois, Indiana,
and southern Michigan were placed under a Flood Warning until Thursday
morning. Meanwhile, bands of showers and isolated thunderstorms were
also detected across northern Pennsylvania and New York. In the South,
southern Florida saw stormy weather conditions today as showers and
storms developed behind a cold front that clipped across the southern
tip of the state. Stormy weather remained stationary throughout the
afternoon, producing heavy rain totals across southeastern Florida and
the Keys. The heaviest rainfall fell between Lauderhill and Delray
Beach, where average totals ranged between 3 to 6 inches. Thus far,
there have been reports of minor street flooding. Areas of
southeastern Florida were placed under a Flood Advisory until this
evening.
22nd-31st…Severe weather hit the Plains on Monday as a strong low
pressure system moved off the Rockies. The system pushed moist and
warm air in from the south, which produced a warm front ahead of the
system that tracked eastward through South Dakota, Nebraska, and Iowa.
The front triggered severe weather with strong winds, hail, heavy
downpours and at least one tornado. The tornado was reported to have
touched ground for two minutes near Brownlee, Nebraska. Meanwhile in
Chambers, Nebraska, nickel to quarter size hail fell for 5 minutes,
while 60 mph winds ripped the siding of the south side of a house in
Giltner, Nebraska. The back side of this low pressure system pulled
cold air in from the north. This allowed for near blizzard conditions
across the Northern and Central Rockies with heavy snow at high
elevations and mixed precipitation in the western Plains. Glendow,
Wyoming saw total snowfall accumulation near 1 ft, with 38 mph winds
gusting up to 55 mph. High elevations in Utah and Colorado saw 5-7
inches of new snow on Monday. The Southern Plains saw increased fire
threats as this system brought dry air and windy conditions to the
region. Further ahead of this system, light rains fell over the Upper
Great Lakes with total accumulation ranging between 1-2 inches.
Seasonably warm conditions persisted with highs in the mid-40s. To the
East, high pressure hovered over New England and brought mostly sunny
skies with cool and dry weather to the East Coast. The north saw highs
in the 20s while the South reached into the mid-60s. In the West, a
low pressure system approached the Pacific Northwest and kicked up
light rain with light snow over the Cascades. California and the
Southwest remained dry and sunny on Tuesday with highs in the 60s and
70s.
The Southern Plains saw severe weather on Wednesday while wintry
weather persisted in the Northern Plains. A low pressure system
tracked across the Northern Plains and produced a frontal system that
extended down the Mississippi River and into the Southern Plains.
Strong flow from the Gulf of Mexico pulled abundant moisture into the
South, which allowed for thunderstorm development with areas of heavy
rain. Some of these storms turned severe. Penny size hail was reported
in Gorman, Texas while strong winds blew trees on a church and pool in
Meridian, Mississippi. Heavy rain with total accumulation of 1.67
inches was also reported in Meridian, Mississippi. To the north, the
back side of this low pressure system pulled in cold air from Canada
and triggered light snow over the Dakotas. Total accumulation ranged
around 1 inch. The region continued to see flooding problems due to
ice and snow melt. The region also saw near blizzard conditions with
17 mph winds gusting to 32 mph in Bismarck, North Dakota. Meanwhile,
the East Coast remained under high pressure on Wednesday. The front
approached from the Plains and kicked up cloudy skies over the Ohio
River Valley and Mid-Atlantic. The Northeast saw mostly sunny skies
with highs in the 50s. In the West, a trough of low pressure kicked up
scattered showers of mixed precipitation with snow at high elevations.
The Cascades saw 3 to 5 inches of snow above the 4500 ft level.
Blowing snow caused hazardous road conditions, with gusts up to 23 mph
reported at Pine Mountain, Oregon. The Pacific Northwest saw highs
near 30 as the system brought cool air in from the north. The trough
extended into the Great Basin and Central Rockies, triggering light
snow and strong winds. In Salt Lake City, Utah, 22 mph winds with
gusts up to 37 mph were reported.
The most active weather continued to be in the East Saturday as a
major storm developed in the Southern Plains and moved towards the
Mississippi Valley. In the cold air to the north and northwest of the
storm, significant snow fell from northern Texas through the Plains.
In the warm air to the east of the storm, a tremendous amount of
moisture streamed into the Southeast and moved toward the Southeast
Coast. This moisture produced very heavy rain and strong
thunderstorms. Strong wind and large hail accompanied these
thunderstorms in Georgia, Alabama and the panhandle of Florida. Early
in the morning, an area of precipitation streamed through the Mid-
Atlantic and into the Atlantic Ocean. This left dry conditions through
New England for the remainder of the day. In the West, a Pacific storm
system began to push into the Northwest and instigated rain and high
elevation snow in Oregon and Washington. This activity will only
increase through the rest of the weekend as the storm moves inland. A
high pressure system kept the Southwest and California dry. The
Northeast rose into the 40s, 50s, and 60s, while the Southeast saw
temperatues in the 60s, 70s, and 80s. The Northern Plains rose into
the 30s and 40s but the dry conditions helped the flooding conditions
in the region. Northwest saw temperatures in the 40s and 50s. The
Southwest was warm with temperatures in the 60s, 70s, and 80s.
The Northern Plains saw heavy snow on Monday associated with a late-
season winter storm. A low pressure system moved off the Rockies and
into the Central Plains and pulled moisture northward from the Gulf of
Mexico. This allowed for moderate to heavy snowfall over the Dakotas
with blizzard strength winds. In Bismark, North Dakota, 7 inches of
snow have been reported, while 29 mph winds gusting up to 44 mph were
reported in Trail City, South Dakota. Most of the region saw snowfall
rates of 1 to 2 inches per hour. Meanwhile, the system created a warm
front over the Central Plains which was quickly followed by a cold
front. The cold front kicked up a few light showers over eastern
Kansas. The Southern Plains continued to see hot and dry conditions as
the low pressure system pulled in warm southerly air. The region was
breezy with highs in the mid-90s, which allowed for dangerous fire
conditions. In the East, a low pressure system in the Northeast pushed
eastward and offshore on Monday. The system triggered light snow over
northern New York, while heavy snow hit Maine with total accumulation
ranging around 5 inches. Elsewhere in the East, a ridge of high
pressure built in and brought mostly sunny skies to the Ohio River
Vally, Mid-Atlantic, and Gulf States. In the West, high pressure
hovered over the Pacific and brought offshore flow to the region. This
allowed for mostly sunny skies and warm weather over the West Coast on
Monday. Highs in the Southeast reached into the upper 70s, while the
Pacific Northwest saw partly cloudy skies and highs in the 50s as a
trough approached from the north.
The Southeast saw severe weather on Tuesday, while the Northern Plains
and Upper Midwest continued to see wintry weather. A strong low
pressure system moved through the Great Lakes region and produced a
cold front that swept through the Mississippi River Valley. In the
South, the system pulled abundant moisture in from the Gulf of Mexico
which triggered moderate to heavy showers and thunderstorms, many of
which turned severe. In Natchez, Louisiana, a tornado uprooted several
trees and damaged a few homes. Meanwhile, quarter sized hail was
reported in Montgomery, Louisiana, with 60 mph winds reported in
Gonzales, Texas. Light rain extended along the front up the
Mississippi River with 0.24 reported in Fiatt, Illinois. The Upper
Midwest and Northern Plains saw light and steady snowfall with
accumulations ranging between 1 to 3 inches. Blizzard like conditions
persisted over the region with 28 mph winds and gusts up to 40 mph
reported in Aberdeen, South Dakota. The East Coast saw increasingly
cloudy skies as the low pressure system moved eastward over the
Mississippi and up the Ohio River Valley. The Northeast reached into
the mid-50s, while the Mid-Atlantic States saw highs in the 70s. In
the West, a low pressure system dipped into the Pacific Northwest from
British Colombia on Tuesday. The system brought overcast skies and
cool conditions to the Pacific Northwest with light snow over the
Northern Rockies. In Missoula, Montana, snowfall accumulation ranged
between 2 to 4 inches. Meanwhile, the Southwest and California
remained warm and dry on Tuesday as high pressure brought mostly sunny
skies to the region.
.
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