The Australia
Bureau of Meteorology
(BOM) recently
announced heat has:
" ... broken the all time
maximum temperature
record"
(the hottest
temperature
ever recorded
in the Sydney
metropolitan area
-- 47.3 degrees C.
in Penrith.)
Penrith is 55.5 km
(34.5 miles)
west of Sydney.
BOM didn't mention
five minutes later
the temperature
dropped to 46.0 C.,
1.3 degree C. lower !
BOM didn't mention
the Penrith "record"
was probably for
just one second.
BOM didn't mention,
the Penrith station
only started recording
in 1995, yet
an “all-time” record
was claimed.
Many hours later
the BOM realized
it made a mistake,
but only AFTER
headlines spread
across the country.
The New South Wales
BOM apologized:
" Sorry, in our earlier checks
we missed a 47.8 degrees C
temperature recorded
at an old #Richmond station
(now closed) in 1939."
BOM also forgot
that in Windsor,
only 23 km north-east
of Penrith,
on January 13th, 1939,
it recorded 50.5C (122 F.)
with a liquid thermometer.
Modern electronic equipment
picks up meaningless
one second temperatures
which the BOM converts
into scary headlines.
Other countries average
electronic readings
over one to five minutes
so they are comparable
to the older records
from glass thermometers.
From 1859 until 1990,
mercury and alcohol
thermometers
could not produce
“one second records”.
BACKGROUND
— Scandal after scandal
- Another BOM scandal: Australian climate data is being destroyed as routine practice
- BOM scandal: “smart cards” filter out coldest temperatures. Full audit needed ASAP!
- BOM scandal heats up: Kininmonth, Watts, Nova quoted in The Australian “We audit banks, why not BOM?”
- Scandal: Australian Bureau of Meteorology caught erasing cold temperatures
- On Sunday, Goulburn got colder than the BOM thought was possible (and a raw data record was “adjusted”).
- Two-thirds of Australias warming due to “adjustments” — according to 84 historic stations
- The mysterious BOM disinterest in hot historic Australian Stevenson screen temperatures
- The lost climate knowledge of Deacon 1952: hot dry summers from 1880-1910
- 1953 Headline: Melbourne’s weather is changing! Summers getting colder and wetter
- The mysterious lost hot Sunday in Bourke, did it really happen?
- Wow, look at those BOM adjustments – trends up by two degrees C!
- Australian BOM “neutral” adjustments increase minima trends up 50%
- Was the Hottest Day Ever in Australia not in a desert, but in far south Albany?!
- Hottest summer record in Australia? Not so, says UAH satellite data
- Mystery black-box method used to make *all new* Australian “hottest” ever records
- BOMs new data set, ACORN, so bad it should be withdrawn (954 min temps larger than the max!)
- Threat of ANAO Audit means Australia’s BOM throws out temperature set, starts again, gets same results
- Australian Temperatures in cities adjusted up by 70%!?