Many mm in May and June 2015

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Re: Many mm in May 2015

Postby mackerelmauler » Fri May 15, 2015 12:14 pm

Hector Pascals was 1020.7 hpa at 12.10 pm and falling.
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Re: Many mm in May 2015

Postby Cmon Aussie Cmon » Fri May 15, 2015 12:50 pm

Fingers crossed for 50mm over the weekend and some flangs.

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Re: Many mm in May 2015

Postby floppy » Fri May 15, 2015 2:11 pm

midday at Albany airport and the baromotator is reading 1021.9 ( MSL hPa )
BoM Satellite showing cloud band moving in
BoM Albany radar showing rain band
WZ showing plenty of white crosses

the fan is plugged in and running, poo is on stand-by
you can never always sometimes tell
when you least expect the most

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Re: Many mm in May 2015

Postby craigperth » Fri May 15, 2015 2:28 pm

She's going to blow well... Shall be an interesting weekend that's for sure... The moisture feeding it is epic...
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Re: Many mm in May 2015

Postby mackerelmauler » Fri May 15, 2015 4:07 pm

mackerelmauler wrote:Hector Pascals was 1020.7 hpa at 12.10 pm and falling.


Hector is even more depressed at 4.00 pm 1018.7 hpa and falling.
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Re: Many mm in May 2015

Postby craigperth » Fri May 15, 2015 5:14 pm

Hmm hope she drops to just under 1000 any bets as to how low she's going to go?
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Re: Many mm in May 2015

Postby craigperth » Fri May 15, 2015 5:16 pm

Is it worth opening a new thread for this front??
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Re: Many mm in May 2015

Postby mackerelmauler » Fri May 15, 2015 8:36 pm

Perth 1017.8 hpa 8.30 pm.
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Re: Many mm in May 2015

Postby mackerelmauler » Fri May 15, 2015 8:39 pm

Looking at Weatherzone Satellite/Lightning there is a large line of thunderstorms on what looks to be the leading edge of the rain band. The front and Low look very impressive too.
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Re: Many mm in May 2015

Postby mackerelmauler » Fri May 15, 2015 9:17 pm

BOM has issued a road weather alert for the metropolitan area.

http://www.bom.gov.au/wa/warnings/road.shtml
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Re: Many mm in May 2015

Postby supersmell » Fri May 15, 2015 10:16 pm

very impressive looking system! not looking forward to the drive to work in the morning

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Re: Many mm in May 2015

Postby Cmon Aussie Cmon » Fri May 15, 2015 10:55 pm

Dew point is down to -5c.

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Re: Many mm in May 2015

Postby Cmon Aussie Cmon » Fri May 15, 2015 11:01 pm

Thinking it will run out of puff before it crosses the coast

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Re: Many mm in May 2015

Postby rex777 » Sat May 16, 2015 5:41 am

This is very strange. The radar appears as if we're having torrential rain but in true perth style it's only spitting a little. What is wrong with this place that we can't just get on with it. Sydney or brisbane get a radar like that and would have 100mm already. We need something decent from this weekend because yet again one of these massive highs is coming over and going to dry us up for another two weeks. Dam i had to water my lawn the other day. Perth has truly frustrating weather. Bom tells us how bad it's going to be and more often than not its a fizzer.

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Re: Many mm in May 2015

Postby mackerelmauler » Sat May 16, 2015 6:43 am

Looking at Perth Observation it looks like most of the first few hours of rain has been used to moisten the atmosphere.

Relative humidity was 24% at 4.00 am it has increased to 75% at 6.30 am.

Date/Time
WST Tmp

°C App
Tmp
°C Dew
Point
°C Rel
Hum
% Delta-T

°C Wind Press
QNH
hPa Press
MSL
hPa Rain
since
9 am
mm
Dir
Spd
km/h Gust
km/h Spd
kts Gust
kts
16/06:30am 13.9 12.1 9.5 75 2.3 NNW 9 15 5 8 1016.0 1015.9 2.2
16/06:00am 14.6 13.2 10.8 78 2.0 SW 9 17 5 9 1015.5 1015.4 1.4
16/05:30am 16.4 14.9 10.7 69 3.0 SW 9 15 5 8 1014.5 1014.4 0.6
16/05:00am 17.3 13.7 3.2 39 6.5 NNE 11 17 6 9 1013.7 1013.6 0.4
16/04:30am 18.7 14.5 1.7 32 7.7 NNE 13 19 7 10 1013.7 1013.6 0.0
16/04:00am 20.1 15.9 -1.1 24 9.2 N 11 17 6 9 1013.9 1013.8 0.0
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Re: Many mm in May 2015

Postby floppy » Sat May 16, 2015 8:13 am

thought it was a mistake but we got 31 % humidity
checked the BoM at Albany airport - they got 18 %
you can never always sometimes tell
when you least expect the most

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Re: Many mm in May 2015

Postby davo » Sat May 16, 2015 8:32 am

Cheer up folks I think the atmosphere has wet itself now :roll: and there seems to be a decent band coming in now.

My prediction worked perfectly ;)
though I still think really big falls aren't gonna happen

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Re: Many mm in May 2015

Postby Cmon Aussie Cmon » Sat May 16, 2015 10:56 am

Getting steady rain here. I might go for a drive through the hills given if this cloud cover stays then it will struggle to get back over 10c in Bickley. Pretty awesome temperature swing of 20c+ over most of the night to the low teens during the day.

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Re: Many mm in May 2015

Postby chartphred » Sat May 16, 2015 11:26 am

craigperth wrote:Is it worth opening a new thread for this front??

Nah... its just a cold front! Normal winter Wx in my view. Just overdue!
People argue, Nature acts.

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Re: Many mm in May 2015

Postby adamD » Sat May 16, 2015 12:38 pm

Rotto has already had a gust of 111km/hr.

Why isnt Perth under a Severe Weather Warning?
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