Weather Summary Friday November 20, 2009
NATIONAL WEATHER SUMMARY:
Showers will exit the New England area by early this evening. Dry conditions with then prevail across the East into Saturday.
Temperatures will continue to run above normal both today and
tomorrow. Many areas will experience afternoon temperatures in the
50s and 60s, with 80s over southern Florida.
Mild weather will also be found across the central states.
Increasing winds from the south will bring very mild air for this
time of year northward into the Northern Plains. Afternoon
temperatures in the 50s are expected today and tomorrow in the
Central and Northern Plains with 60s farther to the south in Texas.
A developing storm system located along the southeastern Texas
coast triggered heavy thunderstorms earlier today. A few strong
wind gusts were reported along the Gulf Coast, with torrential
rainfall in some locations. Five to ten inches of rain fell in a
short time in an area to the southeast of Victoria. Serious
flooding was reported with the water as much as 5 feet above the
road southeast of Bandera, Texas. Additional heavy storms are
expected this afternoon and this evening over southeastern Texas,
where 2-4 inches of rain could fall. The focus of the heavy rain
threat will shift eastward into southern Louisiana tonight into
Saturday morning. In addition, a few of the storms over
southeastern Texas may produce large hail and gusty winds into
early this evening.
Another moist cold front is entering the Pacific Northwest and northwestern California. Rain will advance inland and reach as far
east as Idaho and northern Utah by midday on Saturday. Snow will
occur in the mountains of Washington, Oregon, Idaho, northern
California, western Montana and northern Utah. Several inches of
snow are likely with over a half foot possible in the higher
elevations. Strong winds have also been occurring with the front.
Gusts over 50 mph are expected into the evening hours in the
central and northern Sierra Nevada Mountains of California. A gust
of wind reached 69 mph this morning near Reno, Nevada. East of the
cold front it will remain mild into tomorrow. Warm temperatures
will occur from eastern Montana southward into southern Utah and
Colorado and then throughout the Southwest.
WEATHER EXTREMES SO FAR TODAY:
HIGHEST TEMPERATURE (DEGREES F).............84 Okeechobee, FL
HIGHEST HEAT INDEX (DEGREES F)..............87 Miami, FL
LOWEST TEMPERATURE (DEGREES F)..............-7 Laramie, WY
LOWEST WIND CHILL (DEGREES F)..............-14 Laramie, WY
HIGHEST WIND GUST (MPH).....................80 Gardnerville, NV
HIGHEST PRECIPITATION (INCHES)...........10.06 Rockport, TX
ON THIS DATE IN HISTORY:
In 1869, a windstorm, the second in 3 days, struck Vermont and New York. The winds were strong enough to push trains off their tracks.
In 1900, a tornado outbreak in the Lower Mississippi Valley
killed 73 people and caused extensive damages in Arkansas,
Tennessee, and Mississippi.
In 1979, Cheyenne, Wyoming was hit by a blizzard that brought 19.8 inches of snow to the city which set a record for 24 hours. Strong winds created large drifts that stopped transportation in
Filed by: Telvent DTN