Severe Weather Watches

SEVERE WEATHER WATCH

Issued by MetService at 8:12 pm Friday 24-Jun-2022

Periods of heavy rain for parts of northern and western New Zealand.

An active front is forecast to bring periods of heavy rain to northern and western districts of New Zealand from tonight (Friday) through into Saturday afternoon. The heaviest falls are likely in Great Barrier Island, Coromandel Peninsula,  Bay of Plenty about and west of Whakatane, western Tasman and the ranges of Westland.

People are advised to stay up to date with forecasts in case any of these Watches are upgraded to a Warning, or new areas are added.

HEAVY RAIN WATCH

Area: Bay of Plenty about and west of Whakatane, including Rotorua

Valid: 15 hours from 10:00 pm Friday to 1:00 pm Saturday

Forecast: Periods of heavy rain, with thunderstorms possible. Rainfall accumulations may approach warning criteria.


SEVERE WEATHER WATCH

Issued by MetService at 7:32 pm Sunday 12-Jun-2022

Heavy rain, severe gales and severe thunderstorms for many parts of the country

A strong unsettled west to northwest flow lies over New Zealand, with several embedded troughs and frontal features bringing heavy rain, strong winds and snow to parts of the country. The flow should change to strong southwesterly from the south during Monday.  Severe weather warnings and watches remain in force for many areas.

In addition, severe thunderstorms are possible for some areas. Please check the latest thunderstorm outlook for more information.

People are advised to keep up to date with the latest forecasts in case any changes are made.

STRONG WIND WATCH

Area: Northland to Waitomo. Also Coromandel Peninsula, Bay of Plenty and Rotorua.

Valid: 18 hours from 10:00 pm Sunday to 4:00 pm Monday

Forecast: Northwest winds may approach severe gale at times. Note that this area may be affected by severe thunderstorms bringing damaging wind gusts of more than 110 km/h and localised tornadoes.

Watches for severe thunderstorms have been issued.

Note that winds may ease for at time Monday morning but severe gales are again possible from late Monday morning and into the afternoon.

An update for severe weather will be issued by: 10:00 am Monday

13-Jun-2022

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SEVERE WEATHER WATCH

Issued by MetService at 2:22 pm Sunday 12-Jun-2022

Heavy rain, severe gales, severe thunderstorms and heavy snow for parts of the country

Updated Sunday afternoon to include a watch for severe gales for Waitomo, Waikato, Auckland, Northland, Coromandel Peninsula, Rotorua and Bay of Plenty. A front preceded by a very strong northwesterly flow is expected to sweep east across this area late this evening and overnight. Watches for severe thunderstorms with damaging wind gusts og more than 110 km/h and the possibility of localised tornadoes has also been issued for parts of this area. No other significant changes from the watches and warnings issues this morning.

A strong unsettled west to northwest flow lies over New Zealand, with several embedded troughs and frontal features bringing heavy rain, strong winds and snow to parts of the country. The flow should change to strong southwesterly from the south during Monday.  Severe weather warnings and watches remain in force for many areas.

In addition, severe thunderstorms are possible for some areas. Please check the latest thunderstorm outlook for more information.

People are advised to keep up to date with the latest forecasts in case any changes are made.

HEAVY RAIN WATCH

Area: Bay of Plenty east of Whakatane

Valid: 8 hours from 9:00 am to 5:00 pm Sunday

Forecast: Periods of heavy rain with thunderstorms at times. Rainfall amounts may approach warning criteria.

Note, another period of heavy rain is likely during Monday morning.

STRONG WIND WATCH

Area: Northland to Waitomo. Also Coromandel Peninsula, Bay of Plenty and Rotorua.

Valid: 8 hours from 10:00 pm Sunday to 6:00 am Monday

Forecast: Northwest winds may approach severe gale at times. Note that this area may be affected by severe thunderstorms bringing damaging wind gusts of more than 110 km/h and localised tornadoes during this time. Watches for severe thunderstorms have been issued.

An update for severe weather will be issued by: 10:00 pm Sunday

12-Jun-2022

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(C) Copyright Meteorological Service of New Zealand Ltd 2022

Please do not reply to this e-mail.


{SWW Event 2022/0529.2041}

NOT TO BE BROADCAST AFTER 10:00am Monday 30-May-2022

SEVERE WEATHER WARNING

Issued by MetService at 8:41 pm Sunday 29-May-2022

Heavy rain and northerly gales for parts of northern New Zealand, northwest Tasman and Fiordland

A deepening subtropical low is expected to move southwards over the Tasman Sea Sunday night and Monday. An associated front, preceded by strong and moist northeasterlies, is forecast to move southeastwards across the country, bringing strong winds and rain to many areas. It is followed by strong northwesterlies early Tuesday. Heavy Rain Warnings and Watches, and Strong Wind Watches are in force for many regions. Thunderstorms and localised downpours are also possible over northern parts of the country during Monday, and a Severe Thunderstorm Watch is in force for some regions.

People are advised to keep up to date with the latest forecasts in case any changes are made, or more areas are added.

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HEAVY RAIN WARNING – ORANGE

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Area: Bay of Plenty including Rotorua

Valid: 21 hours from 3:00 am Monday to 12:00 am Tuesday

Forecast: Expect 120 to 180 mm of rain to accumulate, with the largest accumulations likely about the ranges. Peak rates of 25 to 40 mm per hour possible in thunderstorms from late Monday morning.

An update for severe weather will be issued by: 10:00 am Monday

30-May-2022

A service provided through a contract with the Crown

(C) Copyright Meteorological Service of New Zealand Ltd 2022


{SWW Event 2022/0529.0934}

NOT TO BE BROADCAST AFTER 09:00pm Sunday 29-May-2022

SEVERE WEATHER WARNING

Issued by MetService at 9:34 am Sunday 29-May-2022

Heavy rain and northeast gales for parts of northern New Zealand and northwest Tasman

A deepening subtropical low is expected to move southwards over the Tasman Sea today and Monday. An associated front, preceded by strong and moist northeasterlies, is forecast to move southeastwards across the country, bringing strong winds and rain to many areas.

Thunderstorms and localised downpours are also possible over northern parts of the country during Monday, and a Severe Thunderstorm Watch is in force for some regions.

People are advised to keep up to date with forecasts in case any changes are made.

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HEAVY RAIN WARNING – ORANGE

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Heavy rain may cause streams and rivers to rise rapidly. Surface flooding and slips are also possible and driving conditions may be hazardous.

Area: Bay of Plenty including Rotorua

Valid: 21 hours from 3:00 am Monday to 12:00 am Tuesday

Forecast: Expect 130 to 180 mm of rain, with the largest accumulations likely about the ranges. Peak rates of 25 to 40 mm per hour possible in thunderstorms from late Monday morning.

Change note: Upgraded to orange warning.

An update for severe weather will be issued by: 9:00 pm Sunday

29-May-2022

A service provided through a contract with the Crown

(C) Copyright Meteorological Service of New Zealand Ltd 2022


SEVERE WEATHER WATCH

Issued by MetService at 8:18 pm Saturday 28-May-2022

Severe northeast gales and heavy rain possible for parts of the upper North Island and northwest Tasman

A subtropical low is expected to move southwards over the Tasman Sea and deepen on Sunday and Monday. An associated front, preceded by strong and moist northeasterlies, is forecast to move southeastwards across the country bringing strong winds and rain to many areas.

Strong Wind Watches remain in force for Northland and Auckland, and Heavy Rain Watches remain in force for areas from Northland to northern Gisborne, also northwest Tasman.

People are advised to keep up to date with the latest forecasts in case any changes are made, or more areas are added.

HEAVY RAIN WATCH

Area: Bay Of Plenty, Rotorua

Valid: 23 hours from 3:00 am Monday to 2:00 am Tuesday

Forecast: Periods of heavy rain and possible thunderstorms. Rainfall amounts may approach warning criteria.

An update for severe weather will be issued by: 10:00 am Sunday

29-May-2022

A service provided through a contract with the Crown

(C) Copyright Meteorological Service of New Zealand Ltd 2022


Heavy Rain Watch

Period: 20hrs from 3am – 11pm Mon, 30 May

Area: Bay Of Plenty, Rotorua

Forecast: Periods of heavy rain. Rainfall amounts may approach warning criteria.

Issued: 9:49am Sat 28 May

Next update: 9:00pm Sat 28 May


NOT TO BE BROADCAST AFTER 11:00am Wednesday 13-Apr-2022

SEVERE WEATHER WARNING

Issued by MetService at 8:46 pm Tuesday 12-Apr-2022

Red Warnings for Heavy Rain are in force for the Wairoa District and Gisborne.Heavy rain and severe gales also for many other North Island places.

Cyclone Fili is expected to track southeastwards close to eastern parts of the North Island during Wednesday. Fili is expected to bring widespread impacts to the North Island. Heavy rain and severe gales accompany the system, and very large waves and coastal inundation are likely to affect some eastern coasts.

A significant heavy rain event is expected for the Wairoa District and Gisborne where Red Warnings for heavy rain are in force. People in these areas can expect dangerous river conditions and significant flooding. Slips and floodwaters are likely to disrupt travel, some roads may become impassable possibly isolating communities, and power outages are also likely. In addition to significant rainfall, severe south to southwest gales are also forecast, which could damage trees, powerlines and unsecured structures.

People in these areas are advised to avoid outdoor activities and unnecessary travel during this event, and to stay up to date with the latest warnings,forecasts, and official advice.

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HEAVY RAIN WARNING – RED

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This rain is expected to cause dangerous river conditions and significant flooding. Slips and floodwaters are likely to disrupt travel, making some roads impassable and possibly isolating communities.

Area: Gisborne

Valid: 24 hours from 10:00 pm Tuesday to 10:00 pm Wednesday

Forecast: Expect 200 to 300mm of rain to accumulate. Peak rates of 15 to 25mm/h,but 35 to 50mm/h possible in localised places late Wednesday morning and afternoon. Thunderstorms also possible.

Area: The Wairoa District

Valid: 24 hours from 4:00 am Wednesday to 4:00 am Thursday

Forecast: Expect 210 to 310mm of rain to accumulate. Peak rates of 15 to 25mm/h,but 35 to 50mm/h possible in localised places Wednesday afternoon and evening.

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HEAVY RAIN WARNING – ORANGE

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Heavy rain may cause streams and rivers to rise rapidly. Surface flooding and slips are also possible and driving conditions may be hazardous.

Area: Great Barrier Island

Valid: 17 hours from 8:00 pm Tuesday to 1:00 pm Wednesday

Forecast: Expect 80 to 100mm of rain to accumulate. Peak rates of 15 to 25 mm/h.

Area: Coromandel Peninsula

Valid: 18 hours from 10:00 pm Tuesday to 4:00 pm Wednesday

Forecast: Expect 80 to 110mm of rain to accumulate. Peak rates of 15 to 25mm/h.

Area: Bay of Plenty and Rotorua

Valid: 18 hours from 12:00 am to 6:00 pm Wednesday

Forecast: Expect 80 to 110mm of rain to accumulate, mainly about the eastern ranges. Peak rates of 10 to 20mm/h.

Area: Hawkes Bay excluding the Wairoa District

Valid: 20 hours from 4:00 am Wednesday to 12:00 am Thursday

Forecast: Expect 90 to 120mm of rain to accumulate. Peak rates of 10 to 20mm/h,mainly during Wednesday afternoon and evening.

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STRONG WIND WARNING – ORANGE

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Strong wind gusts could damage trees, powerlines and unsecured structures.Driving may be hazardous, especially for high-sided vehicles and motorcycles.

Area: Auckland, Great Barrier Island and Coromandel Peninsula

Valid: 12 hours from 2:00 am to 2:00 pm Wednesday

Forecast: Severe south to southwest gales gusting 120 km/h in exposed places,especially about the Hauraki Gulf, Great Barrier Island and Coromandel Peninsula.

Area: Bay of Plenty and Rotorua

Valid: 18 hours from 9:00 am Wednesday to 3:00 am Thursday

Forecast: Severe south to southwest gales gusting 120 km/h in exposed places,but damaging gusts of 130 to 140 km/h likely east of Whakatane during Wednesday afternoon and evening.

Area: Gisborne

Valid: 18 hours from 2:00 pm Wednesday to 8:00 am Thursday

Forecast: Severe south to southwest gales gusting 120 to 140 km/h in exposed places.

Area: Hawkes Bay and southeast Taupo including higher parts of the Desert Road

Valid: 20 hours from 12:00 pm Wednesday to 8:00 am Thursday

Forecast: Severe south to southwest gales gusting 120 km/h in exposed places,especially about the Wairoa District and southeastern parts of Taupo.

An update for severe weather will be issued by: 11:00 am Wednesday

13-Apr-2022

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(C) Copyright Meteorological Service of New Zealand Ltd 2022

Please do not reply to this e-mail.

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