#1063492 - 25/01/2012 16:46
SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
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Meteorological Motor Mouth
Registered: 07/02/2008
Posts: 5416
Loc: Eastern A/Hills SA
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This is a high tropical moisture infeed event. easterly tough-upper low near SA- tropical surface low to NE. Front approaching. Intense low eventually forming over VIC-TAS Sun-Mon. Sped up now on GFS arrives PM Friday now Likely big precipitation storms 30 to 80mm with biggies. initial ene steering winds, then to SE then to sw after low forms vic-nsw. Should be great value by the look. Most places should get some showers and storms of 5 to 20mm, act 25 to 30mm isol 30 to 80mm is my tip. On and east of ranges best by the looks Cheers
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#1063511 - 25/01/2012 16:59
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: bd bucketingdown]
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Weatherzone Moderator
Registered: 27/05/2001
Posts: 14598
Loc: NE suburbs, Adelaide, South Au...
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Dave and I are gonna go up Riverland on Friday. If it wasn't for tennis Sat arvo, we would probably spend the whole weekend up there as well....
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#1063531 - 25/01/2012 17:16
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: teckert]
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Weatherzone Addict
Registered: 18/04/2009
Posts: 1470
Loc: Adelaide
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Beauty, I might catch up with you after work Friday! Better get everything ready! 
_________________________
2012: 426.8mm 2011: 518.2mm 2010: 549.4mm 2009: 459.2mm Yearly Average: 460mm
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#1063547 - 25/01/2012 17:28
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: Max Record]
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Weather Freak
Registered: 04/08/2010
Posts: 162
Loc: Malvern, Adelaide, Aus
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Typical. I fly out of the country on friday. I should do that more often, that way you will get more storms.
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I wish Mt Lofty was more lofty, another 2km or so would suffice.
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#1063612 - 25/01/2012 18:20
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: berga1987]
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Lightning man
Registered: 10/05/2001
Posts: 13385
Loc: Brighton, SA
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This is what I was fearing from looking at models over the past few days...but looks very likely now. Saturday the pick of the days. If anyone remembers Xmas Day 1999, it probably will be a very similar setup to that. Easterly dip, strong e/ne feed and big afternoon convective thunderstorms with heavy dumping loads and probably some hail about in stronger cores. Going to be a very solid event...and the plains can often do better than areas further east because they have the best seabreeze assistance. TS 
Edited by Thunderstruck (25/01/2012 18:21)
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#1063730 - 25/01/2012 20:33
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: rstewart84]
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Weather Freak
Registered: 28/03/2010
Posts: 291
Loc: Lock South Australia
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some nice storms north of ceduna, what are the chances of adelaide getting a decent storm this weekend?
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Lock YTD (2013): 107.5mm Lock 2012: 293.5mm
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#1063740 - 25/01/2012 20:45
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: aztech.]
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Weather Freak
Registered: 28/03/2010
Posts: 291
Loc: Lock South Australia
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i hope your right aztech wouldnt mind a ripper storm in adelaide for once, i hope you get something over our way to
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Lock YTD (2013): 107.5mm Lock 2012: 293.5mm
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#1063806 - 25/01/2012 22:10
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: aztech.]
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Weather Freak
Registered: 18/11/2011
Posts: 169
Loc: Craigmore
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Could this be my first actual sucessful storm chase!? Bloody hope so, Thinking might go Riverland way Saturday some time, 4x chases basically empty handed so far GRRR
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#1063895 - 26/01/2012 00:21
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: epthunda]
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Weatherzone Addict
Registered: 08/02/2009
Posts: 1176
Loc: Semaphore SA
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some nice storms north of ceduna, what are the chances of adelaide getting a decent storm this weekend? When it doubt, always look for that big green Thunderstruck post  No offence to Tim, SD, Unstable, Nathano, Markus and bd, I bloody love reading all of your forecasting posts (one of the main reasons I come here) but TS is pretty much a forecasting machine of sorts... Yeah need to actually get off my arse and do some chasing this time. I've got absolutely nothing to do this weekend so no excuses.
Edited by Chris #3 (26/01/2012 00:26)
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#1063951 - 26/01/2012 08:11
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: Chris #3]
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Weatherzone Addict
Registered: 13/07/2008
Posts: 1234
Loc: Munno Para , Northern Suburb o...
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Yeah looks like some nice tropcial infeed from the north and east going to dump on us. Weather it be good strong convective storms or just RAIN, we will see. I'd like to think dumping thunderstorms actually, preferably, more likely.  Just checked OCF and nothing yet of any substantial forecasting with saturday 2.6 mm & sunday 6.0 mm as of this morning. I'd expect that to jump sustantially by friday. Weatherstation has yet to signify rain. It's actually tending SUNNY for now. Yeah we'll get lots of that over the next few days.
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Adelaide forcefield monitor  Jan 16 mm Feb 43.5 mm (35 mm in one storm (flooding around munno para)) Mar 12.5 mm Apr 38.5 mm May 58.5 mm (cherryville fires) June July Aug Sep Oct Nov Dec YTD 169 2012 417 mm 2011 598.5 mm 2010 553 mm
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#1064049 - 26/01/2012 10:55
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: Weather Guru]
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Meteorological Motor Mouth
Registered: 07/02/2008
Posts: 5416
Loc: Eastern A/Hills SA
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You won't get storm rainfalls on OCF, etc WG generally, so those models will often miss isol to sct heavy storm rainfalls on their predictions.
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#1064052 - 26/01/2012 11:02
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: ANGRE7]
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Weather Freak
Registered: 28/11/2011
Posts: 156
Loc: Valley View SA
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Could this be my first actual sucessful storm chase!? Bloody hope so, Thinking might go Riverland way Saturday some time, 4x chases basically empty handed so far GRRR I know how you feel, the last 3 chases have come up empty handed as far as lightning photos go as they were either rained out or we were in the wrong place at the wrong time. I'm going to be at my property near Mannum on Sat, so good starting point for any chase.
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#1064053 - 26/01/2012 11:03
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: aztech.]
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Meteorological Motor Mouth
Registered: 07/02/2008
Posts: 5416
Loc: Eastern A/Hills SA
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You may get lucky this time RS in the LSE on Sat arvo and Sun arvo for a change. LIs are reasonable near you. And all of eastern SA for that matter. High tropical moisture-high rainfall storms are likely. Lots of lower cloud outflow shelfs-morning glory type stuff too likely imo as Dps are likely to be tropical high as from QLD-NSW flood area
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#1064077 - 26/01/2012 11:33
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: bd bucketingdown]
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Meteorological Motor Mouth
Registered: 07/02/2008
Posts: 5416
Loc: Eastern A/Hills SA
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My take: As easterly wind steering, likely places are Riverland and Flinders Friday PM, moving SW overnight(but weakening overnight as normal) As trough moves west and moisture moves west, Anywhere ON & east of Eastern Eyre Pen on sat & sun. Usual areas eastern EP, Upper YP, Lower & Mid North, Flinders, Mallee, Adealide Plains, North Lofty Hills,Upper SE,but with extra moisture and reasonable ENE to easterly winds and good instability South Lofty ranges, South YP, Upper and Lower SE come into play as well. Sea breezes will lift as usuual in Adelaide Plains, hills, EP & YP and Upper & Lower SouthEast. And downflow boundaries from storm outflows should be a big feature. Front and gusty cooler SW'ly and a few showers should clear it out on Monday. General East EP and all areas to east 8 to 20mm,sct storm falls 25 to 40mm, Isol in big storms 50 to 80mm. Best areas, Hills and east by the look, though local sea breezes & outflow boundaries will be other areas to watch closely.
Edited by bd bucketingdown (26/01/2012 11:34)
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#1064167 - 26/01/2012 13:43
Re: SA Easterly trough -tropical shower/storm event; 27-30th Jan 2012
[Re: bd bucketingdown]
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Weatherzone Addict
Registered: 17/01/2007
Posts: 1679
Loc: Kalangadoo,South Australia
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You may get lucky this time RS in the LSE on Sat arvo and Sun arvo for a change. LIs are reasonable near you. And all of eastern SA for that matter. High tropical moisture-high rainfall storms are likely. Lots of lower cloud outflow shelfs-morning glory type stuff too likely imo as Dps are likely to be tropical high as from QLD-NSW flood area With that being said BD what time in the arvo on Saturday will the action be happening the most
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