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An extensive cold front boundary brought snow to the northern Plains and strong thunderstorms to the Midwest on Saturday, while Tropical Storm Karen inched closer to the central Gulf Coast.

Blizzard warnings were issued in South Dakota, as well as parts of southern North Dakota early on Saturday as a cold front slammed into the central part of the country. Mixed precipitation picked up in the late morning, keeping snow accumulations low. Mandan, N.D., reported a midday total of 1.42 inches of precipitation. Just to the east of the cold front, strong thunderstorms pounded the Ohio Valley and Tennessee Valley, and flood warnings were issued in Wisconsin, Indiana, and Ohio. La Crosse, Wisc., Reported a midday total of 2.03 inches of rain, while Marshfield, Wisc.,eported a midday total of 1.82 inches of rain.

To the south, Tropical Storm Karen began to lose strength as it inched closer to the Louisiana coast. Maximum wind speeds associated with Karen were 40 mph during the early afternoon. Strong upper level winds associated with the previously mentioned cold front helped weaken Karen on Saturday. Despite the fact that it lost a bit of strength, Karen remained a threat to sea vessels along the central Gulf Coast, and drove spotty thunderstorms into Louisiana and parts of Mississippi.

The majority of the West Coast experienced dry conditions on Saturday due to a ridge of high pressure over Nevada. The Pacific Northwest experienced light rain in the early afternoon as a cold front approached the coast.


SATURDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................93 Corpus Christi, Texas

HIGHEST HEAT INDEX (DEGREES F)..........................102 Kingsville NAS, Texas

LOWEST TEMPERATURE (DEGREES F)..........................8 Yellowstone, Wyo.

LOWEST WIND CHILL (DEGREES F)...........................-6 Wolf Creek Pass, Colo.

HIGHEST WIND GUST (MPH).................................59 Faith, S.D.

HIGHEST PRECIPITATION (INCHES)..........................2.37 Louisville, Ky.


ON THIS DATE....... When you think of Arizona, a tropical storm may not be one of the things that crosses your mind. On this date in 1972, Tropical Storm Joanne moved over Flagstaff ARIZ., making it the first tropical cyclone to move into Arizona.

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