Weather Extremes For Tuesday

WEATHER EXTREMES FOR TUESDAY: HIGHEST TEMPERATURE (DEGREES F)...........114 Palm Springs, CA HIGHEST HEAT INDEX (DEGREES F)............119 Gary, IN LOWEST TEMPERATURE (DEGREES

Wednesday, August 22nd 2007, 7:38 am

By: News On 6

WEATHER EXTREMES FOR TUESDAY:

HIGHEST TEMPERATURE (DEGREES F)...........114 Palm Springs, CA

HIGHEST HEAT INDEX (DEGREES F)............119 Gary, IN

LOWEST TEMPERATURE (DEGREES F).............30 Saranac Lake, NY

LOWEST WIND CHILL (DEGREES F)..............30 Saranac Lake, NY

HIGHEST WIND GUST (MPH)....................80 Rolfe, IA

HIGHEST PRECIPITATION (INCHES)...........4.03 Mansfield, OH

NATIONAL WEATHER SUMMARY:

In the East, scattered showers and thunderstorms along a stationary front moved across the Lower Ohio Valley, southern New England and parts of the Upper Mid-Atlantic. Rainfall totals were over one inch in some location in Pennsylvania, Ohio, and Indiana. Findlay, Ohio received 3-point-75 inches of rainfall. Flash flooding and rising rivers were the main concerns. Several roads closures were common across the Ohio Valley from the flooding.

A line of showers thunderstorms impacted the Atlantic Seaboard later in the day with some storms becoming strong and severe. Highs winds were the main annoyance with trees and powerlines being downed from Laurel Springs, North Carolina to Stuart, Virginia. Meanwhile, northern New England, Deep South, much of the Southeast and Florida remained under high pressure allowing for partly cloudy skies and fair weather. Isolated showers and thunderstorms developed across the southern Appalachians

In the central part of the nation, scattered showers and thunderstorms affected parts of the Midwest and northern Plains. Rainfall totals were heavy in some locations. Minneapolis, Minnesota received nearly one inch of rainfall prompting flash flood warnings in parts of the Upper Midwest. Isolated showers and weakening thunderstorms occurred in the Central Plains and Central Mississippi Valley with light rainfall totals towards the morning hours; but, reintensified later in the afternoon with some becoming strong to severe. For example, hail 2-point-75 inches in diameter was recorded in Dante, South Dakota and hail at 4-point-25 inches was recorded outside the town. A wind gust of 60 mph was also reported outside Eustis, Nebraska. Otherwise, much of the Southern Plains observed partly cloudy skies and Dry conditions with the exception of the Texas Gulf Coast and far western Texas where isolated afternoon showers and thunderstorms occurred.

Across the West, a broad trough of low pressure provided Montana and Pacific Northwest with isolated showers under partly to mostly cloudy skies. A few isolated afternoon showers impacted the Desert Southwest; but, rainfall with these storms was minimal. Fog and low clouds formed along the coasts of the Pacific Northwest and California. Otherwise, mostly clear skies with hot and dry conditions prevailed across the Southwest, Central and Southern Rockies, Great Basin, and the interior of California.

FRONTS ACROSS THE NATION

A stationary front lies across Virginia, West Virginia, western Pennsylvania, Ohio, northern Indiana, northern Illinois, Iowa, and eastern Nebraska.

A cold front lies across western Nebraska, southern Wyoming, Utah, and Nevada.

An occluded front lies across Minnesota and far eastern South Dakota.

A cold front is moving into northern Montana.

NATIONAL WEATHER FORECAST

Over the East, skies will be partly cloudy to mostly sunny in New England as high pressure controls the area. Scattered showers and thunderstorms will develop over the Great Lakes, Ohio Valley, Mid-Atlantic, Southeast, and along the Gulf Coast. Strong to severe thunderstorms are expected over the Great Lakes along a frontal boundary. Gusty winds, hail, heavy rainfall, and a few isolated tornadoes will be possible. Temperatures in the East will rise into the 60's and 70's in the Northeast; 80's in the Great Lakes; with 90's and 100's in the Southeast, Mid-Atlantic, and Deep South.

Across the central region, severe thunderstorms will form along a frontal boundary located over the Midwest and central Plains. The storms will produce damaging winds, hail, heavy rainfall, and isolated tornadoes. Additional showers and thunderstorms will be located further to the south over southern Texas and along the Gulf Coast. Skies over the northern and southern Plains and Lower Mississippi Valley region will be partly cloudy to mostly sunny and dry. Temperatures will reach the 70's in the northern Plains and Upper Midwest; 80's in the central Plains and Midwest; with 90's in the central Plains and Middle and Lower Mississippi Valley regions.

In the West, afternoon showers and thunderstorms are forecasted over the central and southern Rockies and Great Basin as monsoonal moisture streams into the area. The storms may produce gusty winds and locally heavy rainfall. Skies will be sunny with dry conditions over the Pacific Northwest, northern Rockies, Desert Southwest, and California. Temperatures will climb into the 70's over the Pacific Northwest and northern Rockies; 80's in the central Rockies; 90's over interior California, the Great Basin, and the southern Rockies; with 100's in the Desert Southwest.

Prepared by WeatherBank, Inc.