Canterbury

The situation

Issued at 8:40 pm on the 21st of September by Russell Voice

PRESS THE REPEAT BUTTON FOR TOMORROW – CLOUDY, WET & COOL

Good evening. It’s been another miserable day across the region, with cloudy skies and patchy rain for many areas. Winds have remained mostly light and temperatures on the cool side, with Timaru taking out top honours, with a modest 13 degrees. Mt Cook Village only managed 7 degrees, with patchy rain for most of the day.  Central areas did see a more sustained period of rain, with Christchurch receiving 5-8mm during early & middle stages of the afternoon.

Tomorrow will see more of the same, cloudy skies and showers in the mix, we do expect more widespread and persistent rain north of Amberley & there is the risk of some heavier falls about the Kaikoura District before midday. We currently have a ‘Warning’ in place for areas north of Greta Valley, up to the Kaikoura Coast.

There is light at the end of the tunnel, with a most sunny weekend, it will even be milder, as we move into Sunday. We have a possible cold snap later on Tuesday, with some wintry showers & snow about the High Country; this has backed out over the course of the day, but we’ll continue to watch closely over the weekend.

DAILY ’HIGHS’ FOR THURSDAY: Kaikoura 10, Culverden 12, Hanmer Springs 10, Arthurs Pass Village 8, Mt Cook Village 7, Christchurch 12, Oxford 11, Twizel 10, Ashburton 13, Oxford 11, Timaru 13.


KEY POINTS FOR YOUR THURSDAY EVENING

Tomorrow will be fairly, just with more persistent rain about North Canterbury & the Kaikoura District; we’re starting to see the potential for heavy rain in the Kaikoura District & for areas north of Great Valley, a ‘Warning’ has just been issued. Snow levels look around 1400m, so we don’t expect any issues on our higher passes.

Our weekend is looking mostly fine and mild as we move into Sunday. NW winds might be strong about inland areas on Sunday.

Monday could be one of our warmest days in a number of months, with 21-22 expected for many areas.

Tuesday evening, through Wednesday looks colder, with showers and high country snow. This outbreak has lost a fair bit of its oomph today, but we’ll continue to watch with interest over the weekend.

CWU cater for 23 towns across the region; please remember there are significant differences in weather across the region during any system of weather.


GENERAL SUMMARY ACROSS THE REGION – CHECK TOWN FORECASTS FOR MORE SPECIFIC & DETAILED INFORMATION.

 

FRIDAY/TOMORROW: Another mostly cloudy day on the cards, occasional rain or drizzle; rain more widespread & persistent north of Amberley. Possible heavy rain north of Great Valley & the Kaikoura District, which may provide more flooding concerns. Easterlies prevailing, dying out about the coast later in the day. Lighter winds inland. Conditions clearing at night. H: 10-12 L: 5-7

 

SATURDAY: Mostly fine day, with sunny skies and light winds; NE about Coastal areas. Ridge of high pressure in charge. A brief SW change may produce a shower, or two in South Canterbury & the Mackenzie Country. H: 15-17 L: 3-5

 

SUNDAY: Mostly sunny, with any early cloudy periods burning off. Light winds & milder temperatures into the afternoon.  NW conditions about Inland areas, NE winds about Coastal areas Very mild overnight lows.  Heavy rain for the Main Divide, with snow above 1400m.H: 18-20 L: 9-12

 

MONDAY: Sunny, with high cloud developing through the day. Gusty NW winds about inland areas. Mild temperatures. H: 20-22 L: 8-10

 

TUESDAY: Mainly fine conditions, with sunny skies and harmless high cloud. Cold southerly change in the evening, with a period of showers & snow about the High Country. H: 16-18 L: 1-3

 

WEDNESDAY: Cloudy, with showers and cooler southerlies. Snow about the High Country above 600-700m.  Conditions clearing at night, with frosts developing. H: 8-10 L: -2,2


‘Situation’ will be reviewed & updated around 7:00am Friday morning.

 

Weather Analyst:  Russell Voice

 

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