High pressure settled period 10-14 July

Michael · Unread post by **Michael** » Thu 08/07/2010 19:16

Maybe time to focus on this,could dominate much of the coming week with an intense anticyclone with frosts in many areas though the SE periphery could have onshore winds at 1st.
Depicted here is ecmwf with strong ridging at the end of the period still.

NZstorm · Unread post by **NZstorm** » Fri 09/07/2010 07:41

Nice to get into a spell of fine weather. The polar airmass will reach Auckland tomorrow so this weekend could be our coldest days of the year.

David · Unread post by **David** » Fri 09/07/2010 08:14

Down to 2.7 here this morning. I see metservice says -2 for tomorrow night, a mistake surely

spwill · Unread post by **spwill** » Fri 09/07/2010 08:33

Probably going to get some ground frost,it will be the first of the winter around here, down to about 2C.

Tim S · Unread post by **Tim S** » Fri 09/07/2010 08:45

-1.9C overnight here but looks as though the next 5 nights or so will be just as cold or colder.

My area of Richmond seems to consistently get about 2-3C cooler overnight than the Nelson site, though thats hardly surprising considering how close the Nelson site is to the ocean.

I notice Queenstown is forecast to drop down to -7C tonight which is the lowest I can find on the metservice map.

Richard · Unread post by **Richard** » Fri 09/07/2010 09:01

Just hope the anticyclone doesn't hang round to long,bring on NW air flow i say

David · Unread post by **David** » Fri 09/07/2010 18:12

Down to 7 here already. May get down around 0 tomorrow morning...

Tornado Tim · Unread post by **Tornado Tim** » Fri 09/07/2010 19:41

Down to 4Â°C already here, 2Â°C lower than Horsham downs atm.

jamie · Unread post by **jamie** » Fri 09/07/2010 21:25

Tornado Tim wrote:Down to 4Â°C already here, 2Â°C lower than Horsham downs atm.

yea getting persistent wind gusts here which is fluctuating the temp. should be about our best frost of the year this weekend. i think nzstorm made mention to it possibly providing areas around the country with the best frosts of the year and i think he would be not far off correct there.

off to the snow again early sunday morning so going to have to be super careful for black ice with good frosts expected.

David · Unread post by **David** » Fri 09/07/2010 22:40

Interesting how we are getting puffs of wind every now and again from the S. Might be the difference between a frost and no frost for us here if it keeps up...go away wind

ricky · Unread post by **ricky** » Fri 09/07/2010 23:03

The southerly breeze has been picking up a bit here over the last couple of hours. It's dropping the Dew Point but holding the temperature at just below 7 degrees C, if it drops off the temp should fall pretty quickly.

David · Unread post by **David** » Sat 10/07/2010 07:39

Down to 0.4Â°C this morning, not highly unusual for me....but enough for a light frost

Tornado Tim · Unread post by **Tornado Tim** » Sat 10/07/2010 10:32

Hmm it seems this anti cyclonic period may end by this coming Friday, models are indicating an active front coming through associated with a Low in the southern Tasman Sea.

Will have to see what happens...

NZ Thunderstorm Soc · Sat 10/07/2010 12:26

Might just be a short low pressure intrusion of the anticyclonic period we may have this month?

JohnGaul
NZThS

Tornado Tim · Unread post by **Tornado Tim** » Sat 10/07/2010 13:11

NZ Thunderstorm Soc wrote:Might just be a short low pressure intrusion of the anticyclonic period we may have this month?

Seems that way atm..

Its most likely going to be really cold tonight the dew point around the Waikato stations is around 5-2Â°C!

David · Unread post by **David** » Sat 10/07/2010 14:14

Gentle sea breeze has developed here from the ENE, didn't think the diurnal heating in winter would be strong enough for that

jamie · Unread post by **jamie** » Sat 10/07/2010 17:15

oh its going to be a rip snorter frost for here in the morning. MS have gone for -4 and im usually a couple of degrees coler that what they put down for hamilton.

Im sitting next to the consol and since the sun has gone down the temp is plumeting. Im watching the numbers drop they are dropping that quick.

Andy · Unread post by **Andy** » Sat 10/07/2010 17:16

Blue dome day down here in the deep south, temp dropping already -0.7 max today around 7 degrees.

Tornado Tim · Unread post by **Tornado Tim** » Sat 10/07/2010 17:47

It wont surprise me if we get ground frost by 7pm tonight!

Richard · Unread post by **Richard** » Sat 10/07/2010 17:51

Frost on car roof at 5.30pm

big frost tonight ,
dam the anticyclone

Dale · Unread post by **Dale** » Sat 10/07/2010 18:14

Yeah I just did a quick run to the shops earlier for dinner ingredients.. could barely see my way through the smog.. EVERYONE in Pukke has the fires burning tonight.. including myself

Going to be a snorter of a frost, temp plummeting.

NZ Thunderstorm Soc · Sat 10/07/2010 18:46

I have made some water available tonight, so I could make a cup of tea tomorrow morning as the pipes could freeze here overnight as it could get to minus 5C.

JohnGaul
NZThS

Andy · Unread post by **Andy** » Sat 10/07/2010 18:52

Richard wrote:Frost on car roof at 5.30pm big frost tonight ,
dam the anticyclone

Hey already -4.3 here and dropping like a stone.

tgsnoopy · Unread post by **tgsnoopy** » Sat 10/07/2010 19:33

I'm feeling left out. It's only 5.9Â°C outside at the moment.

David · Unread post by **David** » Sat 10/07/2010 20:05

This is a strange anticyclone the way the wind doesn't become absolute calm at night...as a result the temperature has started rising here

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High pressure settled period 10-14 July

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