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Tropical Storm Karen transitioned into a post-tropical storm on Sunday as it interacted with a cold front, and flood statements were issued in the Ohio Valley as a result of strong thunderstorms.

Light showers developed along the Pacific Northwest coast earlier today as a cold front approached the region. An onshore flow ushered very light showers into parts of Oregon and Washington. The remainder of the West Coast avoided precipitation on Sunday due to a strong ridge of high pressure over Nevada. The Great Basin experienced similar conditions as a result of high pressure.

To the southeast, an extensive cold front interacted with Post-Tropical Storm Karen, which spurred heavy rains and gusty winds along the central Gulf Coast. Flood warnings were issued in parts of Mississippi, Alabama, and Florida as strong showers and thunderstorms pounded the area. Greenville, Miss., reported a midday total of 3.17 inches of rain, while Pascagoula, Miss., reported a midday total of 2.65 inches of rain. Above average temperatures were reported around the central Appalachians on Sunday. Culpeper, Va., reported a midday high of 91 degrees.

Just to the north, strong thunderstorms along the same cold front boundary pounded the Ohio Valley, as flood warnings were issued in Indiana, Ohio, and northern Kentucky. Bloomington, Ind., reported a midday total of 2.47 inches of rain. The Northeast also experienced wet weather on Sunday as moderate thunderstorms pushed into New York and parts of New England.

SUNDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................93 North Island, Calif.

HIGHEST HEAT INDEX (DEGREES F)..........................102 Tampa Macdill AFB, Fla.

LOWEST TEMPERATURE (DEGREES F)..........................17 Gunnison, Colo.

LOWEST WIND CHILL (DEGREES F)...........................-7 Barrow, Alaska

HIGHEST WIND GUST (MPH).................................54 Livingston, Mont.

HIGHEST PRECIPITATION (INCHES)..........................3.17 Greenville, Miss.

ON THIS DATE....... On this date in 1941, a strong tornado struck Kansas City, Mo., killing four people. The tornado blew a house intact for 700 feet before dropping it to the ground, killing the two people inside. The storm destroyed 130 homes and buildings.

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