September 4 National Weather Roundup

By: associated press
By: associated press

Weather Summary for Friday September 4

NATIONAL WEATHER SUMMARY:
Across the east, high pressure continued to dominate from the Great Lakes to the Northeast with mostly sunny skies and pleasant weather. A weak upper level system produced a few thunderstorms during the afternoon hours across far southern Illinois and Indiana with isolated coverage also into Kentucky. Besides this area, thunderstorms were mostly confined to Florida. Heavy rain up to an inch fell over portions of southern Florida but no severe storms
were reported.
The central states experienced the most action with
thunderstorms common across the Plains. Early morning thunderstorms
brought heavy rain to eastern Nebraska and adjacent portions of
western Iowa in association with an upper level low. Sioux City,
Iowa received a new daily record for rainfall with over 3 inches
falling. Storms became severe as they dropped into Kansas during
the afternoon and evening hours. Hail between 1 and 2 inches in
diameter along with wind gusts in excess of 65 mph brought some
tree damage and reports of windows busted out but most of these
storms were over open country. Thunderstorms across eastern Texas
also produced some severe wind gusts. Additional storms had
developed across much of northern Texas late in the day and
continued into the overnight.
In the west, a cold front brought scattered showers and a few storms to western and northern Washington during the morning before lifting into Canada. Monsoonal moisture across the Southwest
contributed to plenty of thunderstorm activity from the Four Corner
states to southern Nevada and portions of southeast California. A
couple of tornadoes were spotted in southeast Colorado but no
damage was reported. Temperatures remained above normal for most of the region with high temperatures well into the 90s all the way
north to Montana.

WEATHER EXTREMES FOR YESTERDAY:
HIGHEST TEMPERATURE (DEGREES F)............109 Needles, CA
........................................... Blythe, CA
HIGHEST HEAT INDEX (DEGREES F).............110 El Centro, CA
LOWEST TEMPERATURE (DEGREES F)..............33 West Yellowstone,
MT
LOWEST WIND CHILL (DEGREES F)...............33 West Yellowstone,
MT
............................................ Big Piney, WY
HIGHEST WIND GUST (MPH).....................65 Claflin, KS
HIGHEST PRECIPITATION (INCHES)............3.14 Sioux City, IA

ON THIS DATE IN HISTORY:
In 1939, a thunderstorm sat over Washington D.C. and produced torrential rain with 4.4 inches recorded in just 2 hours. The
rainfall in these 2 hours was more than most other places across
the country had for the entire month.
In 1970, Arizona experiences its greatest natural disaster of all time with moisture from Tropical Storm Norma producing severe
flooding in the central part of the state. 23 people were killed as
rivers rose 5 to 10 feet an hour. Workmans Creek, AZ recorded 11.40
inches of rain which becomes a 24-hour state record for the state.
In 1988, heat wave continues across the western US. An all time record high of 91 was established in Stampede Pass, WA. San Diego saw its hottest day in 25 years with 107 and Los Angeles tied their all time record high of 110.

DTN/Meteorlogix: J Sullivan


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