Weather across the nation: 9/16/12

4:07 PM, Sep 16, 2012   |    comments
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Wet weather continued along the Mississippi River Valley, parts of the Southeastern states, and Texas on Saturday.

The tail end of a cold front lingered over the Carolinas and the Virginias, and stretched westward into Missouri and Arkansas. Moisture from the Gulf of Mexico fed energy into this system, which allowed for scattered showers and thunderstorms to persist across the Southeast as well as the Lower and Mid-Mississippi Valley.

Heaviest rainfall associated with this front was reported in Joplin, Mo., with a midday total of 2.33 inches of rain. Severe storms were not anticipated and there have not been reports of large hail and severe winds in the area.

Meanwhile in Texas, a trough of low pressure moved off the Southern Rockies and into the Southern High Plains. Flow around this system pulled warm and moist air in from the Gulf of Mexico and produced showers and thunderstorms across western and central Texas.

Farther south, onshore flow from the eastern Gulf of Mexico allowed for shower and thunderstorm activity to persist for most of Florida. Some areas saw periods of heavy rainfall and strong winds. Stuart, Fla., reported midday rainfall totals up to 1.71 inches, while Winter Haven, Fla., reported winds up to 38 mph.

In the North, a trough of low pressure dipped into the Northern Plains and Upper Midwest from central Canada. This pulled warmer air in from the south, and pushed highs into the 80s across the Dakotas and parts of Minnesota. These temperatures are about 10 to 15 degrees above seasonable for the region.

In the West, high pressure maintained dangerous fire weather conditions as it kept temperatures high and relative humidity low. Red flag warnings remained in effect for the Northern Rockies and Intermountain West, as well as parts of northern California and the Great Basin.

SATURDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................104 Miramar, Calif.

HIGHEST HEAT INDEX (DEGREES F)..........................104 Ellington Field, Texas

LOWEST TEMPERATURE (DEGREES F)..........................26 West Yellowstone, Mont.

LOWEST WIND CHILL (DEGREES F)...........................17 Red Dog Mine, Alaska

HIGHEST WIND GUST (MPH).................................63 Mt. Washington, N.H.

HIGHEST PRECIPITATION (INCHES)..........................2.33 Joplin, Mo.

ON THIS DATE....... The non-tornadic wind speed record for North Dakota was set on this date in 1997. A weather station at the Sand Creek Wildlife Refuge near Amidon recorded a wind gust of 135 mph during a downburst from a severe thunderstorm.

The Associated Press

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