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Re: General September Weather
Posted: Sun 27/09/2015 18:25
by Rogue
Have been watching a mint CB go up north of Whanganui from my place in Kapiti, Blitzortung picking up some lightning activity on it. Got a timelapse going which I will post tonight if it turns out any good. Should have chased!
Re: General September Weather
Posted: Sun 27/09/2015 20:05
by Rogue
Anvil on the Whanganui storm today, looking north
Re: General September Weather
Posted: Sun 27/09/2015 20:31
by NZstorm
The 500mb vortex will be over the North Island tomorrow.
Re: General September Weather
Posted: Sun 27/09/2015 20:34
by spwill
Dry for Auckland city today, could see a few towering cumulus showers to the north and south
Re: General September Weather
Posted: Mon 28/09/2015 10:14
by tich
In Rotorua, saw plenty of cloud buildups yesterday afternoon - looked as if building up to something, but nothing eventuated bar a few scattered showers. (not in city)
Re: General September Weather
Posted: Mon 28/09/2015 12:38
by Manukau heads obs
@Rogue
is that a yacht club across the road...lots of wind instruments on it
Re: General September Weather
Posted: Wed 30/09/2015 19:33
by NZstorm
Another fine day, 19C to end the month. NIWA UV for Auckland is 'high' now.
Re: General September Weather
Posted: Thu 01/10/2015 16:36
by Nev
A cool September overall. A heavy rain event for the east from Gisborne to Marlborough (and parts of north Canterbury), otherwise dry for most of the South Island and remarkably sunny on the West Coast.
Sep 2015 Climate Anomaly Map ℅ NIWA.gif
Some preliminary September 2015 figures for the main centres:
Code: Select all
September 2015 Average Temps, Rainfall and departures from their 1981-2010 normals ℅ NIWA
Site T-max °C T-min °C T-mean °C Rainfall mm
Auckland, Mangere 16.6 +0.3 9.7 +0.1 13.1 +0.1 89 87%
Auckland Aero 16.1 -0.3 9.5 -0.2 12.8 -0.2 107 118%
Tauranga Aero 16.1 -0.5 7.6 -0.7 11.9 -0.5 92 109%
Hamilton Aero 15.7 -0.6 6.1 -0.1 10.9 -0.4 163 162%
Hamilton, Ruakura 16.4 0.0 7.1 +0.4 11.7 +0.2 97 105%
Wellington, Kelburn 12.3 -1.4 7.2 -0.7 9.7 -1.1 103 105%
Christchurch Aero 13.4 -1.4 3.4 -0.5 8.4 -1.0 55 135%
Dunedin, Musselburgh 12.1 -1.1 4.8 -1.1 8.5 -1.0 28 58%
Greymouth Aero 13.4 -0.7 6.3 -0.3 9.9 -0.5 126 60%
Gisborne Aero recorded 183mm, with 131mm of that falling on the 20th and 21st. Similary, Napier Aero recorded 171mm with 97mm of that falling on the same 2 days.
Re: General September Weather
Posted: Thu 01/10/2015 19:26
by David
For Howick, average min 8.8C, average max 16.4C, total rainfall 109mm. Pretty standard figures. Of note was that the coldest temperature was only 5.5C - no particularly cold nights all month.
Re: General September Weather
Posted: Fri 02/10/2015 07:23
by einzack
The comment about how remarkably sunny it was on the West Coast is not an exaggeration. A stunning September was had, with the last 2 weeks in particular breathtakingly good. I don't have my stats at hand as we're mid-move so it's all packed away, but I believe my average daily max was 16.4°C which is stupidly warm. We also only had 73mm of rain which is virtually zero for these parts, particularly for spring, and when I looked at NIWA's data a week or so back it'll end up being the 2nd driest September since records began in the 1960's.
Re: General September Weather
Posted: Sat 03/10/2015 06:46
by Nev
Here's NIWA's preliminary, '
September National Climate Summary'.
A wet end to the month for eastern North Island.
The national average temp of 9.8C was 0.9C below normal.
The month's highest temp of 25.7C was yet again recorded at Christchurch (Riccarton) on the 16th, and the lowest temp of -7.0C was recorded at Hanmer Forest on the 8th.
Re: General September Weather
Posted: Sat 03/10/2015 07:36
by Dean.
einzack wrote:The comment about how remarkably sunny it was on the West Coast is not an exaggeration. A stunning September was had, with the last 2 weeks in particular breathtakingly good. I don't have my stats at hand as we're mid-move so it's all packed away, but I believe my average daily max was 16.4°C which is stupidly warm. We also only had 73mm of rain which is virtually zero for these parts, particularly for spring, and when I looked at NIWA's data a week or so back it'll end up being the 2nd driest September since records began in the 1960's.
Spent a few days on the Paparoa coastline last weekend north of Punakaiki.Beautiful part of NZ with its own microclimate.Certainly noticed a big difference in warmth after arriving from a drab Canterbury under an easterly flow.
Re: General September Weather
Posted: Sat 03/10/2015 14:28
by NZ Thunderstorm Soc
Nev wrote:
The month's highest temp of 25.7C was yet again recorded at Christchurch (Riccarton) on the 16th, and the lowest temp of -7.0C was recorded at Hanmer Forest on the 8th.
Not Riccarton again, I think the previous day was much warmer??/
Re: General September Weather
Posted: Sat 03/10/2015 17:18
by RWood
Nev wrote:Here's NIWA's preliminary, '
September National Climate Summary'.
A wet end to the month for eastern North Island.
The national average temp of 9.8C was 0.9C below normal.
The month's highest temp of 25.7C was yet again recorded at Christchurch (Riccarton) on the 16th, and the lowest temp of -7.0C was recorded at Hanmer Forest on the 8th.
Regarding the West Coast, again one has to note that the sunshine anomalies are for EWSs versus manual site means, so they look more impressive than they really are. But the like for like comparison should still show a substantial surplus however ...
Re: General September Weather
Posted: Sat 03/10/2015 21:03
by NZ Thunderstorm Soc
Here are my figures for this month.
Ave temp 7.9°C
Ave Minimum 2.7°C
Ave Maximum 13.1°C
Minimum -2.2°C on the 8th (10 air frosts)
Maximum 23°C on the 15th
Rainfall 73.1mm from 17 days with 21.6mm on 20th, YTD 455.2mm
Re: General September Weather
Posted: Sat 03/10/2015 21:43
by trickytiger
Rangitata figures this month:
Avg temp: 7.9°C
Avg Minimum: 2.9°C
Avg Maximum: 13.8°C
Minimum temp:-1.6°C on 22nd
Maximum temp: 23°C on 16th
Rainfall: 21.6mm (12 days of rain, 10.6mm on 1st) YTD 174mm (not complete as recording didn't start at start of year)