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Unsettled weather continued in areas of the Eastern Seaboard and parts of the Southeast on Tuesday, while cooler and drier weather spread farther across the Midwest.

In the East, the northern portion of a long cold front extending from the Northeast through the Deep South continued eastward toward the East Coast through the afternoon. Sufficient moisture and energy ahead of this disturbance maintained areas of scattered showers and chances of thunderstorm.

Meanwhile, as the northern portion of this cold front moves toward the Atlantic Ocean, the southern portion of the boundary reached across the Southeast. Scattered showers and thunderstorms developed ahead and to the south of this disturbance with areas of moderate rainfall.

Behind this activity, high pressure settled over the Midwest with drier and cooler weather. Afternoon temperatures for the region ranged from the 60s in parts of the lower and upper Great Lakes through 70s and 80s elsewhere in the Midwest.

Out West, a strong low off the Pacific Northwest coast ushered modest to strong, moist southwesterly flow into the interior Northwest, triggering scattered showers and potentially strong thunderstorms. Additional showers and thunderstorms persisted in areas from the Desert Southwest into the Central Great Basin.

TUESDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................102 Phoenix, Ariz.

HIGHEST HEAT INDEX (DEGREES F)..........................109 Tampa Macdill AFB, Fla.

LOWEST TEMPERATURE (DEGREES F)..........................33 Volk, Wis.

LOWEST WIND CHILL (DEGREES F)...........................21 Barrow, Alaska

HIGHEST WIND GUST (MPH).................................61 Wendover, Utah

HIGHEST PRECIPITATION (INCHES)..........................3.42 Westhampton Beach, N.Y.

ON THIS DATE....... On this date in 1970, a large hailstorm struck Coffeyville, KS. The biggest hailstone ever recorded in the United States fell to the ground during the storm, measuring 17.5 centimeters in diameter and weighing 1.67 pounds.

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