A storm that brought hail and waterspouts to Southern California Thursday will bring the risk of violent thunderstorms to Wichita Saturday afternoon and evening.
A warm front developing over the southern Plains produced showers and thunderstorms from northern Oklahoma and southern Kansas to Tennessee during Friday.
Stiff southerly winds will bring in warm, more humid air over Kansas into Saturday, setting the stage for severe thunderstorms as the strengthening storm system rolls out of the Four Corners.
The most common traits of the storms as they slice eastward across central Oklahoma and Kansas Saturday will be damaging straight-line wind gusts, large hail and flooding downpours.
However, with this particular setup, a couple of discrete intense storms can produce a tornado.
Storms capable of producing a tornado were forecast to develop over eastern New Mexico and the northern Texas Panhandle to southwestern Kansas during Friday.
The greatest risk of tornadoes appears to be taking aim for northeastern Kansas to Iowa during Saturday, but a trailing line of severe storms will extend southward across the Red River.
The timing of the severe storm risk Saturday in Wichita will be from about noon Saturday until 9 p.m. Sunday, CDT.
Sunshine and a less volatile atmosphere will return to Wichita and much of the central Plains during Sunday.
Temperatures will be a few degrees below average across the UK this weekend, but largely dry conditions are expected.
After no rain for almost a month, Santiago braces for rain early in the week. Cool air follows, spreading into Chile, Argentina and Uruguay mid-week.
There is a significant chance that Jimena will turn back toward Hawaii and threaten the islands during the second week of September.
An unusually strong push of cool air for early September will move southward along the Atlantic Seaboard into the Labor Day weekend before July-like heat returns by next week.
Steering winds could take Ignacio, as a remnant storm, into the southeastern arm of Alaska or British Columbia during the middle days of next week.
Strong thunderstorms will roll across the Upper Midwest while rain and strong winds roar through the Northwest this weekend.
Washington, DC (1939)
"Once in a hundred-year rainstorm" 4.40 inches in 2 hours at the Washington Zoo.
Minneapolis, MN (1941)
Tornado - 5 dead - $450,000 damage.
Greatest natural disaster for Arizona. Rains in central Arizona caused rivers to rise 5-10 feet per hour, sweeping cars and buildings 30-40 feet downstream. Twenty-three lives were claimed by the floodwaters. This rain came from Tropical Storm Norma.