Heat record for United States and Canada wave

July 23, 2011, updated at 03: 11 GMT a New Yorker says to be outside is like "being in a sauna all day long" a heat wave has baked parts of Eastern United States and Canada, as temperatures increased to maximum unprecedented in some parts.

Mercury in Newark, New Jersey, came to 108F (42 C) on Friday, the highest ever recorded in the city.

In Canada, an extreme heat alert remained in force, a day before two dozen cities and towns have broken their records of heat from the previous day.

At least 22 deaths have been blamed on the heat.

Through the United States alone, where nearly half the population was under a heat advisory, have plummeted more than 220 records for heat.

Wastewater discharge

Many regions in the central parts of the coast of this and we've seen heat indices - a combination of temperature and humidity - topping C. 43

This is the weather forecast for North America.

Airports near Washington and Baltimore hit 40.5 C (105F); Boston c 39.5 (130); Portland, Maine and Concord, New Hampshire, 38.5 C (degenerate); and Providence, Rhode Island, 38 C (100F).

Philadelphia - where swimmers at public pools were asked to leave every half an hour to allow a new crowd to enjoy a cooling bath - saw temperatures of 40 C (104F).

New York also hit 40 C, only a grade below its all-time high, although with the oppressive humidity, felt as 45 C (113F).

Roast New Yorkers in the heat, health officials warned them to stay out of the water at four beaches in New York Harbor after a sewage treatment plant damaged by fire started to pump oil waste into the Hudson River.

Hundreds of homes and businesses in New York were affected with temporary blackouts.

Tension was reduced in several neighborhoods of the city and suburbs to keep underground cable from overheating.

Teen dies

On Friday, the Office of the medical examiner in Chicago list heat stress or heat stroke as the cause of the death of seven people.

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Douglas Holmstrom, a businessman from 67 years of age and livestock in Lonoke County, told the BBC:

To make works outdoors, keep tools in the shade by which does not burn early work of handsStart in the dayWear a damp cloth around his neck "took a straw hat, take a lot of jumps and be sure to work with someone most of the time." Takes care with them "air conditioning not accustomed too:" kids these days so they fit the TV and to make their games, cannot be treated with heat. If you stay outside and is accustomed to it, can be compared to "eat fresh fruits and vegetables - away from fat foodAn landscape gardener of 18 years who died Thursday night in Louisville, Kentucky, he had a temperature of 43 C (110F), said a forensic physician."

In Canada, temperature records were broken in two dozen cities in Ontario and Quebec on Thursday, including the hottest ever temperature of July in Toronto, 37.9 C (100.2F).

Paving of asphalt and concrete, and buildings in the cities were "radiating" heat, forecasters said.

Eli connectors, a meteorologist with the national meteorological service, told the BBC: "This is a crest unusually strong high pressure which really is exceptional in scope and duration".

The combination of heat and humidity make it difficult for the human body to cool - because the sweat not evaporating efficiently, he added.

The central State of Missouri officials say 13 people have died and they have been killed in neighboring Oklahoma, among them a child of three years.

In the South, more than three-fourths of Texas is suffering from drought in the middle of the worst drought in the State for decades.

High temperatures - the number one killer United States weather-related - claimed 162 lives on average in the country each year.

The most severe heat wave in the modern history of North America took place during the great depression in 1936. The heat this summer was blamed for more than 5,000 deaths in the United States and Canada.

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