Weather Extremes For Sunday

WEATHER EXTREMES FOR SUNDAY: HIGHEST TEMPERATURE (DEGREES F)...........106 Imperial, CA HIGHEST HEAT INDEX (DEGREES F)............117 Charlottsville, VA LOWEST TEMPERATURE

Monday, August 27th 2007, 5:34 am

By: News On 6

WEATHER EXTREMES FOR SUNDAY:

HIGHEST TEMPERATURE (DEGREES F)...........106 Imperial, CA

HIGHEST HEAT INDEX (DEGREES F)............117 Charlottsville, VA

LOWEST TEMPERATURE (DEGREES F).............35 Stanley, ID

LOWEST WIND CHILL (DEGREES F)..............35 Stanley, ID

HIGHEST WIND GUST (MPH)....................74 Ft. Myers, FL

HIGHEST PRECIPITATION (INCHES)...........2.67 Agusta, GA

NATIONAL WEATHER SUMMARY:

In the East, scattered showers and thunderstorms continued to impact the Southeast, southern Middle Atlantic, and Florida this afternoon in association with a passing cold front. No severe weather was reported, but a few stronger thunderstorms produced small hall and damaging wind gusts up to 60 miles-per-hour. Rainfall amounts were generally less than a half inch, with just over one inch reported locally. Skies cleared across the Northeast and the Ohio and Tennessee Valleys by the late afternoon hours, as high pressure began to settle into these regions. Elsewhere across the East, a broad area of high pressure centered over the Great Lakes, brought fair and dry weather to the upper Midwest and along the Mississippi Valley.

In the western two-thirds of the Nation, high pressure continued to bring fair and dry conditions to the majority of the Plains states, while a few isolated showers impacted coastal Texas. By the early evening hours, a cold front draped across the northern high Plains and into North Dakota, triggered a line of showers and strong to severe thunderstorms across North Dakota and into south-central Canada. Several tornado reports where issued across North Dakota and northern Minnesota, at least one of which damaged structure in the town of Northwood, North Dakota. Further west, two upper-level lows, one centered off the southern California coastline and the other over central Arizona, coupled with increased monsoonal moisture, triggered scattered showers and thunderstorms across southern California, the lower Great Basin, and portions of the central and southern Rockies. No severe weather was reported in these regions, but localized heavy rainfall caused flooding across portions of southern California, northern Arizona and New Mexico, and southern Utah. To the north, partly cloudy skies and generally dry conditions continued across the northern Great Basin and the northern Rockies. Elsewhere, clear to partly cloudy skies and fair weather conditions were reported throughout the afternoon and evening across the Pacific Northwest and northern and central California.

ON THIS DATE IN HISTORY:

In 1893, the first of three major hurricanes to struck the Southeast this year, made landfall just south of Savannah. 1000 people where killed, most by the strom surge in Charleston, South Carolina.

In 1964, Hurricane Cleo struck the Miami, Florida area with sustained winds of 110 miles-per-hour, and gusts to 135 miles-per-hour; an estimated $125 million in damage.

In 1995, the remnants of Tropical Storm Jerry plowed through South Carolina; 12-point-32 inches of rain fell at Greer, South Carolina during a 24-hour period.

FRONTS ACROSS THE NATION:

A stationary front is located across southeastern Virginia, North Carolina, northwestern South Carolina, Georgia, Alabama, Mississippi and northeastern Louisiana.

A cold front is draped across northwestern Minnesota, North Dakota, northern South Dakota, northern Wyoming and south-central Montana.

A small stationary front is located across southwestern Montana and Idaho.

NATIONAL WEATHER FORECAST:

In the East, an upper-level trough will produce partly cloudy skies and scattered showers and thunderstorms across the Mid-Atlantic region, the Tennessee Valley, the Southeast, and Florida. A few stronger thunderstorms will be possible, capable of producing frequent lightning, gusty winds, small hail, and heavy downpours. Rainfall amounts will range from a quarter of an inch to a half of an inch. Otherwise, high pressure will allow for mostly sunny to partly cloudy skies and dry conditions throughout the Great Lakes region, the Ohio Valley, and the Northeast. High temperatures will reach into the 70s and 80s through the Northeast, the Great Lakes region, and the Ohio Valley; and into the upper 80s and 90s across the Tennessee Valley, the Mid-Atlantic region, the Southeast, and Florida.

Across the central part of the country, a low pressure system will bring scattered showers and strong to severe thunderstorms to the northern Plains and the Upper Mississippi Valley. Frequent lightning, strong winds, sizable hail, isolated tornadoes, and heavy downpours may accompany the strongest thunderstorms. Rainfall amounts of an inch will be possible. Elsewhere, partly cloudy skies with the chance for scattered showers and thunderstorms can be expected across the southern half of Texas and into the Lower Mississippi Valley. A few strong thunderstorms, along with rainfall amounts of up to a half of an inch will be possible with this activity. Otherwise, mostly sunny to partly cloudy skies and dry conditions will prevail across the central Plains, Oklahoma, Arkansas, and the Middle Mississippi Valley. High temperatures will reach into the 70s and 80s through the northern Plains and the Upper Mississippi Valley; and into the upper 80s to near 100 across the central and southern Plains, and the Middle and Lower Mississippi Valley.

In the West, partly cloudy skies with the chance for afternoon and evening showers and thunderstorms can be expected across the central high Plains, the central and southern Rocky Mountains, and the Desert Southwest. The main concern with this activity will be areas of flash flooding as rainfall amounts of close to a half of an inch will be possible in a very short amount of time. Otherwise, fair skies and dry conditions will prevail through the rest of the region. High temperatures will reach into the upper 60s to the 70s along the coast region of California, and into the Pacific Northwest and the northern high Plains; and into the 80s to the lower 100s through the central and southern high Plains, the Rocky Mountains, the Desert Southwest, the Great Basin, and interior California.

Prepared by WeatherBank, Inc.