Jumpin Jack Frost in Dry July

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Re: Jumpin Jack Frost in Dry July

Postby lightningwog » Tue Jul 31, 2012 3:00 pm

Hi all , i think there are some good falls today. I got 22mm in Darch , what did everyone else get ??

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Re: Jumpin Jack Frost in Dry July

Postby Cmon Aussie Cmon » Tue Jul 31, 2012 3:45 pm

A disgraceful 1mm has fallen at the airport. Pretty disappointed given we were progged for 20-40mm..

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Re: Jumpin Jack Frost in Dry July

Postby Cmon Aussie Cmon » Tue Jul 31, 2012 5:43 pm

Cmon Aussie Cmon wrote:A disgraceful 1mm has fallen at the airport. Pretty disappointed given we were progged for 20-40mm..

Ignore that. I've hit 20mm for the day with most of it falling in the past 2 hours.

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Re: Jumpin Jack Frost in Dry July

Postby mackerelmauler » Tue Jul 31, 2012 7:51 pm

Cmon Aussie Cmon wrote:
Cmon Aussie Cmon wrote:A disgraceful 1mm has fallen at the airport. Pretty disappointed given we were progged for 20-40mm..

Ignore that. I've hit 20mm for the day with most of it falling in the past 2 hours.


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Re: Jumpin Jack Frost in Dry July

Postby roland985 » Tue Jul 31, 2012 7:57 pm

Darth Vader wrote:I find your lack of faith disturbing.

:)

Had some good falls today. Tomorrow is looking good for isolated storms and maybe pea hail.

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Re: Jumpin Jack Frost in Dry July

Postby Dylfish » Tue Jul 31, 2012 9:06 pm

What conditions exactly are good for isolated storms and small hail? Is there any particular soundings or maps your looking at?

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Re: Jumpin Jack Frost in Dry July

Postby Fu Manchu » Tue Jul 31, 2012 9:54 pm

There is a strong jet stream just north of Perth tomorrow.
Temps are not going to be super cold at anything but the uppers. Not sure about the hail, that might be brown hail from the back end of Roland's rabbit. (We'd be all out of jokes if it weren't for Roland's bunny)

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There might be a chance for slight heating. The approaching front is decaying and slowing leaving a heap of moisture around that is not very cold compared to what it was before.
Though having said that he will be more than happy to boast about small hail tomorrow.

I think the conditions will be best near Albany and South of Perth where better CAPE and lift are combined with colder temps at lower, mid and upper levels.

Maybe BoM are looking at areas near the high shear environment North of Perth and that may position itself close enough to the metro area to hear a rumble?

Just getting some ideas out there.

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Re: Jumpin Jack Frost in Dry July

Postby Storm Wolf » Tue Jul 31, 2012 9:55 pm

Fresh on my P plates and had to drive in pouring rain today on the freeway and Reed Hwy. I can certainly report heavy downfalls this morning going into midday, mostly in the Ocean Reef area and heading towards Balcatta.

I hope it doesn't rain Wed night -.- at least not whilst I am driving!
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Re: Jumpin Jack Frost in Dry July

Postby Pete » Tue Jul 31, 2012 10:02 pm

Yeah I agree with Fu on that, though not sure about further inland. Strong W'ly winds may dry the atmosphere out. :-?
http://forecasts.bsch.au.com/stormcast. ... #stormcast
The lower levels really aren't that cold, the 500's are okay though.
http://forecasts.bsch.au.com/stormcast. ... #stormcast
I think hail will only be with storms that have gained enough potential energy from heating to develop an updraft strong enough to sustain it. It will be fairly isolated in my opinon.

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Re: Jumpin Jack Frost in Dry July

Postby Fu Manchu » Tue Jul 31, 2012 10:09 pm

Storm Wolf wrote:Fresh on my P plates and had to drive in pouring rain today on the freeway and Reed Hwy. I can certainly report heavy downfalls this morning going into midday, mostly in the Ocean Reef area and heading towards Balcatta.

I hope it doesn't rain Wed night -.- at least not whilst I am driving!


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Re: Jumpin Jack Frost in Dry July

Postby @weather_wa » Wed Aug 01, 2012 4:52 am

Some lightning showing up on the WZ radar off the coast of Bunbury, and South of Albany at the moment.

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Re: Jumpin Jack Frost in Dry July

Postby mackerelmauler » Wed Aug 01, 2012 8:17 am

There plenty of shattered scowers on Perth radar atm.
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Re: Jumpin Jack Frost in Dry July

Postby Storm Wolf » Wed Aug 01, 2012 11:02 am

Fu Manchu wrote:
Storm Wolf wrote:Fresh on my P plates and had to drive in pouring rain today on the freeway and Reed Hwy. I can certainly report heavy downfalls this morning going into midday, mostly in the Ocean Reef area and heading towards Balcatta.

I hope it doesn't rain Wed night -.- at least not whilst I am driving!


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Re: Jumpin Jack Frost in Dry July

Postby @weather_wa » Wed Aug 01, 2012 1:25 pm

Rainfall figures from 9:00am the 31st July to 9:00am the 1st August:

Bickley: 25.4mm.
Champion Lakes: 14.2mm.
Garden Island: 5.0mm.
Gosnells: 12.0mm.
Jandakot: 10.2mm.
Karnet: 8.0mm.
Mandurah: 12.2mm.
Medina: 8.0mm.
Pearce: 3.0mm.
Perth: 11.2mm.
Perth Airport: 16.7mm.
Rottnest Island: 3.0mm.
Swanbourne: 9.2mm.

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