-------- Original Message --------
From: "Mid-Atlantic Weather Station (General List)" <wxmail{at}listbot.com>
Subject: 8/29 High Temps + Ozone Hole Update
To: "Mid-Atlantic Weather Station (General List)" <wxmail{at}listbot.com>
Mid-Atlantic Weather Station (General List) -
http://members.home.net/herbwx/index.html
Some unreal high temps coming in for Tuesday 8/29 (Source: NWS)
[*] denotes US high temp for 8/29
AUSTIN 101
BIRMINGHAM 100
DALLAS FT WORTH 103
DEATH VALLEY CA 109*
FORT SMITH 105
HOUSTON INTCNTL 101
HOT SPRINGS AR 109*
HUNTSVILLE AL 102
JACKSON MS 104
LITTLE ROCK 107
MEMPHIS 106
MOBILE 105
NORTH LITTLE ROCK AR 109*
OKLAHOMA CITY 103
DEATH VALLEY CA 109
SHREVEPORT 103
TULSA 103
TUPELO 106
WACO 100
WICHITA 105
WICHITA FALLS 102
LOW TUE...22 AT WISDOM MT
- - - - - -
"Ozone hole over Antarctica expected to increase"
(Source: Associated Press, 8/29/00)
GENEVA - The hole in the ozone layer over the Antarctic is expected to
increase in size this year as early measurements show significant
ozone depletion, the United Nations weather agency announced Tuesday.
Four observation stations in the Antarctic this month reported a
decrease in ozone of between 20 and 35 percent compared with the
period between 1964 and 1976, before the "ozone hole" was observed, said
Taysir al-Ghanem, spokesman for the World Meteorological Organization.
"We cannot be optimistic with these latest measurements," al-Ghanem
said.
"We are expecting that the ozone hole this year is going to be quite
large, probably more than last year."
Ozone depletion in the region starts in July and intensifies during
August. WMO says the biggest hole yet was recorded in 1998, when it
reached some 4.63 million square miles, partly helped by strong polar
winds. Last year, the hole reached 3.86 million square miles. The
protective ozone layer shields the earth from damaging ultraviolet rays.
Reduction of the ozone layer can let rays from the sun reach the earth's
surface. Too much UV radiation can cause skin cancer and
destroy tiny plants at the beginning of the food chain.
One cause of ozone depletion is chlorine and bromine released by
manmade chemical compounds such as chlorofluorocarbons, contained in
some
aerosols.
WMO has said those chemicals have leveled off thanks to the Montreal
Protocol, which commits countries to eliminating production and use of
ozone-depleting substances. But the agency says it could be 20 years
before ozone levels recover noticeably. Full recovery can be expected
around 2050.
//end//
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