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Author Topic: NE NSW / E QLD Storms: 26-29 Sept 2010  (Read 26191 times)

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Offline Colin Maitland

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #15 on: 29 September 2010, 06:47:45 AM »
Well it looks like I have to eat my words. BOM have issued STW at 12.41pm

The soundings summary was indicating that there was a good possibility for severe storms.

SEVERE THUNDERSTORM WARNING - SOUTHEAST QUEENSLAND
for DAMAGING WIND, FLASH FLOODING and LARGE HAILSTONES

For people in parts of the
MORETON BAY,
SUNSHINE COAST and
SCENIC RIM Council Areas.

Issued at 12:41 pm Tuesday, 28 September 2010.

The Bureau of Meteorology warns that, at 12:45 pm, severe thunderstorms were detected on weather radar near Boonah, Mount Beerwah and Beerburrum. These thunderstorms are moving towards the east. They are forecast to affect Kooralbyn and northern Bribie Island by 1:15 pm and waters off Bribie Island by 1:45 pm.

Damaging winds, very heavy rainfall, flash flooding and large hailstones are likely.
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Offline Colin Maitland

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #16 on: 29 September 2010, 06:53:27 AM »
The sounding summary states

There is a moderate amount of instability to produce storms. Storm tops should reach 37254ft. Severe storms are a possibility and might be quite severe given the shear present, supporting hail 2cm+ in size
The 500mb level is showing strong instability, which is more than enough for storms and becoming favorable for severe storms if other conditions are right
The 500 temps are relatively cold
The sounding is showing very nice moisture in the lower levels and moisture depth is good
Cloud base is at 911.05mb (927m)
There is some light change in the directional shear up to 700mb
SWEAT index reports a moderate chance of storms becoming severe
There is a little bit of moisture in the mid levels however the amount of dry air present will still help evaporative cooling to an extent, lightning and the formation of hail
Lower level winds are adequate
Mid level winds are good
Upper level winds (Jetstream) are good
There is no cap, storms will fire off early if other conditions are right
The overall CAP has a value of -0.95 °C
There is an inversion present from 950mb to 925mb
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Offline Colin Maitland

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #17 on: 29 September 2010, 06:56:20 AM »
2nd Storm Warning issued for QLD. Around the  Capricornia, Wide Bay and Burnett is where I thought most of the action would be today. I really did not expect much for the SEQ


SEVERE THUNDERSTORM WARNING
for DAMAGING WIND, FLASH FLOODING and LARGE HAILSTONES

For people in the Capricornia, Wide Bay and Burnett, Darling Downs and Granite Belt, Southeast Coast and parts of the Central Highlands and Coalfields and Maranoa and Warrego Forecast Districts.

Issued at 12:44 pm Tuesday, 28 September 2010.

Severe thunderstorms are likely to produce damaging winds, very heavy rainfall, flash flooding and large hailstones in the warning area over the next several hours. Locations which may be affected include Warwick, Gold Coast, Toowoomba, Brisbane, Dalby, Maroochydore, Roma, Gympie, Bundaberg, Gladstone, Emerald, Rockhampton, Kingaroy, Stanthorpe and Goondiwindi.
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Offline Karina Roberts (slavegirl)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #18 on: 29 September 2010, 07:12:33 AM »
looks really nice out here at the moment very dark and thunder already just hope it doesnt hail as there is no cover at the shops and i have to go out lol
 
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Offline Antonio (stormboy)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #19 on: 29 September 2010, 07:40:12 AM »
Well Byron has had a nice storm

Severe storms sweeping through southeast Queensland
Sam Terry, Tuesday September 28, 2010 - 13:23 EST
Storms are firing up over southeastern Queensland, heading quickly to the coast and bringing potential for severe weather.

A Severe Weather Warning has been issued for the QLD Capricornia, Wide Bay and Burnett, Darling Downs, and Southeast Coast districts, and for parts of the Central Highlands and Maranoa and Warrego districts.

Already parts of New South Wales have been hit by the storms. Cape Byron was deluged with six millimetres in just ten minutes, enough to cause localised flooding.

In Queensland there are currently two storm cells with the potential to be severe. One is currently crossing the Sunshine Coast and heading offshore and the other is heading towards Beaudesert (south of Brisbane). So far there have been no reports of damage or severe features.

Keep checking the radar on weatherzone.com.au to follow the path of the storms.

- Weatherzone

__________________________________________________________________________________________________________________________

And over here 3 nice large Growths at the moment here is a quick pic of what i am looking at right now.

Antonio.
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Offline Antonio (stormboy)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #20 on: 29 September 2010, 07:55:35 AM »
Here is a second Cell now just south from here near evans head it has some rather nice growth, more growth now to the west from here will report as it happens.

1st pic Growing
2nd pic Result
3rd pic radar reference.

Antonio
« Last Edit: 29 September 2010, 08:08:08 AM by Antonio (stormboy) »
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Offline Hardy25

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #21 on: 29 September 2010, 08:01:55 AM »
lovely guys and gals

picking up nicely on radar, wish i could be there =]

nice pic Antonio
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Offline Colin Maitland

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #22 on: 29 September 2010, 08:03:36 AM »
Quote from: Karina Roberts (slavegirl) on 29 September 2010, 07:12:33 AM
looks really nice out here at the moment very dark and thunder already just hope it doesnt hail as there is no cover at the shops and i have to go out lol
 

I think you pick a bad time to go out. This came with the latest STW from BOM

Thunderstorms today have already produced wind damage (trees uprooted) and flash flooding at Beaudesert at around 1:30pm.

Hope you are OK
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Offline Mathew Townsend

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #23 on: 29 September 2010, 09:24:48 AM »
Nice storm at Lismore heading for Ballina now! You stormboy getting luckier!
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Offline Karina Roberts (slavegirl)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #24 on: 29 September 2010, 09:25:36 AM »
Thankyou for the concern :) we are ok in the end i looked outside saw it approaching and decided it was safer garaging the car and waiting it out, i got some pics i will post later on after this new storm threat has passed. We got pea sized hail at home very destructive winds and very heavy rainfall i forgot to shut windows on the south facing side of the house and as a result my bedroom is drenched as is my daughters toy room and her bedroom *insert blush here lol* at present the sky is nearly white in colour with constant rumbling hopefully this one isnt too severe as our place is already saturated and flooded in spots

*update: the second storm skirted us and headed into rathdowney with the BOM labelling it as a very severe storm. As i was watching it i took some pics while in town which i will post later and im sure i saw a interesting cloud shape like a funnel not too sure though and after this was when the BOM labelled it as a very severe storm

* Pics of the second storm that headed towards rathdowney i have zoomed in on the suspect shape i saw - had to zoom in as iphone isnt that great for pics. It was more funnel shaped before i found my phone and took the pics
« Last Edit: 29 September 2010, 01:51:53 PM by Karina Roberts (slavegirl) »
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Offline Antonio (stormboy)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #25 on: 29 September 2010, 09:52:55 AM »
haha damn right im lucky its huge and GREEN!! omg will report back when its done.

Antonio.
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Offline Antonio (stormboy)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #26 on: 29 September 2010, 10:23:13 AM »
Update __

still pounding us here 6.8mm of rain in 10 mins now we have a flood its flooding i cant see our grass

Antonio.
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Offline Jason(pato)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #27 on: 29 September 2010, 11:05:54 AM »
Righto heres a quick couple of pics from my house today.....couldn't chase as I had the kiddies. Forgive the powerlines bloody nuisance things they are.





And this hail was measured after 10mins of heavy rain fell on it, not too bad really!!

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Offline Karina Roberts (slavegirl)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #28 on: 29 September 2010, 11:12:52 AM »
another stw has been issued for qld at 4:30. Looks like we may have storms well into the night.:
Bureau of Meteorology
Queensland Regional Office


TOP PRIORITY FOR IMMEDIATE BROADCAST

SEVERE THUNDERSTORM WARNING
for DAMAGING WIND and FLASH FLOODING
For people in the Wide Bay and Burnett, Darling Downs and Granite Belt,
Southeast Coast and parts of the Northern Tropical Coast and Tablelands,
Northern Goldfields and Upper Flinders, Herbert and Lower Burdekin, Central
Coast and Whitsundays, Central Highlands and Coalfields, Capricornia and Maranoa
and Warrego Forecast Districts.

Issued at 4:30 pm Tuesday, 28 September 2010.

Severe thunderstorms are likely to produce damaging winds, very heavy rainfall
and flash flooding over the next several hours in the Wide Bay and Burnett,
Darling Downs and Granite Belt, Southeast Coast and parts of the Central
Highlands and Coalfields, Capricornia and Maranoa and Warrego districts.
Locations which may be affected include Warwick, Gold Coast, Toowoomba,
Brisbane, Dalby, Maroochydore, Roma, Gympie, Bundaberg, Emerald, Kingaroy,
Stanthorpe and Goondiwindi.

Severe thunderstorms are likely to produce damaging winds, very heavy rainfall
and flash flooding over the next several hours in parts of the Northern Tropical
Coast and Tablelands, Northern Goldfields and Upper Flinders, Herbert and Lower
Burdekin, Central Coast and Whitsundays, Central Highlands and Coalfields and
Capricornia districts. Locations which may be affected include Charters Towers,
Nebo, Eungella and Mingela.

Thunderstorms today have already produced:
wind damage [trees uprooted] and flash flooding at Beaudesert at around 1:30pm,
wind damage and severe flash flooding at Canungra at around 2pm.
flash flooding at Bellmere [near Caboolture] at around 3:30pm
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Offline Antonio (stormboy)

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Re: NE NSW / E QLD Storms: 26-29 Sept 2010
« Reply #29 on: 29 September 2010, 11:49:54 AM »
After 60.3MM of absolute shocking Rain i must applaud the sky for its fantastic thunder cell.

There was indeed (small pea hail for 40 seconds 2 times) i wish i wish i had pix of them but mum was filming the flood with my cam our grass is now finally coming back. WAS plenty of CG action non stop.

The images are as follows

1)20 mins before hitting
2)10 mins before hitting
3) HITTING HARD
4) the END

Ballina AP had 59mm we had 60.3mm and im sure there was more where a station does not exist.

Antonio Signing out for today
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