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Neutral outlook for WA seasonal temperatures   Message List  
Reply | Forward Message #464 of 3599 |

From the Weather Bureau - see
http://www.bom.gov.au/announcements/media_releases/climate/ahead/20040115T_wa.sh\
tml

for pretty pictures and more links.

Regards
Andrew


The Bureau's seasonal temperature outlook for late summer to mid-autumn, is
neutral for WA as a result of recent temperature patterns in the Indian and
Pacific Oceans.

For the February to April period in WA, the chances of above average
seasonal daytime temperatures are a little over 60% in the far northeast of
the State, but over most areas they're between 45 and 60% (see map). So
with climate patterns like the current, about 5 seasons out of every 10 are
expected to be warmer than average across most of WA, with about 5 out of
10 being cooler.

Outlook confidence is related to the consistency of the influence of
Pacific and Indian Ocean temperatures on seasonal temperatures. During the
February to April period, history shows this influence on maximum
temperatures to be moderately consistent over parts of central and northern
WA, but over most of the State the influence is only weakly or very weakly
consistent (see background information).

Warmer than average nights are favoured over northeast WA. The probability
of above average seasonal minimum temperatures is between 60 and 70% in
this part of the State, while it is mainly between 50 and 60% elsewhere.

History shows the oceans' influence on minimum temperatures in the February
to April period to be moderate to highly consistent in northeast WA, and
generally moderately consistent over the rest of the State, particularly
the populated areas.

--
Aushiker: Hiking in Western Australia - http://aushiker.com
President - Perth Bushwalkers Club Inc - http://www.perthbushwalkers.asn.au
Senior Edit Moderator - http://www.backpackgeartest.org
Moderator - http://groups.yahoo.com/group/trekking2/
Moderator - http://groups.yahoo.com/group/bushwalking/
ICQ N0. 38215599
Bibbulmun Track End to End - 2003


[Non-text portions of this message have been removed]




Mon Jan 19, 2004 3:49 am

aushiker
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Message #464 of 3599 |
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From the Weather Bureau - see http://www.bom.gov.au/announcements/media_releases/climate/ahead/20040115T_wa.shtml for pretty pictures and more links. Regards ...
Andrew Priest
aushiker
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Jan 19, 2004
3:58 am

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