Workers with the Federal Emergency Management Agency distributed generators and bottled water to communities in the state of Oklahoma hit by the ice storm, after President George W. Bush declared an emergency in the state on Sunday.

At least 14 people have been killed in weather-related road accidents across Oklahoma since Friday, including seven in a minivan crash Sunday. Some 103,000 people were also without power, the Oklahoma Department of Emergency Management reported.

Officials in the nearby state of Missouri reported that bad weather had claimed eight lives, with traffic accidents caused by slick conditions killing seven and one dying from carbon monoxide poisoning, a common cause of death when people without electricity use fuel-burning stoves to heat their homes.

More than 300,000 people lost power in the state due to downed power lines, and a line worker was injured when he fell from a utility pole, state officials said.

In Kansas, five people were reported killed in weather-related road accidents and one person was poisoned by carbon monoxide exposure, state officials told the Kansas City Star newspaper.

One person also died in a weather-related traffic accident in New York state, according to WGY radio.

In Texas, Governor Rick Perry called out the National Guard after more than 15 centimeters (six inches) of rain caused flash flooding and dramatic high-water rescues in areas of central Texas.

Local media reported two killed in separate weekend accidents on icy roads in western Texas.

After a dangerous driving weekend, most of the ice on the roads in the Dallas-Fort Worth metropolitan area had melted by early Tuesday, local news media reported.

The National Weather Service issued flood warnings and advisories in several states, from Louisiana to Ohio and Illinois. An ice storm warning was posted for parts of the northeastern states of New Hampshire and Maine.

In California, where mild temperatures usually prevail all year, farmers and state officials in the agricultural Central Valley said that up to 70 percent of the oranges still on trees had been destroyed by the freeze.

Icicles hung from tangerine trees in a Central Valley orchard near Fresno, a rare sight in the state.

In central Los Angeles, the thermometer dropped to 2.0 degrees Celsius (36 Fahrenheit) early Monday, a record-setting temperature not felt in the city for 75 years.

California's top state agricultural official, A.G. Kawamura, was in southern Ventura County inspecting freeze damage on citrus crops on Monday.

Kawamura's office estimates that damage from the freeze will surpass that from a three-day freeze in December 1998, when the state citrus industry lost 85 percent of its crop, valued at 700 million dollars.

Governor Arnold Schwarzenegger issued a state of emergency on Friday due to the low temperatures, which among other measures opened "heating centers" for people and their pets to take refuge.

The storm in central states was moving eastward and has already caused ice storms in western parts of New York state, forecasters said.