Severe Thunderstorm Warning for Heavy Rainfall in Northern Rivers District, NSW

Source: BOM · Northern Rivers, New South Wales

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The Bureau of Meteorology has issued a high-priority warning for the Northern Rivers district as slow-moving thunderstorms bring heavy rain and flash flooding risks to the region.

What this BoM weather warning tells you, and what most readers miss

This notice was issued by BOM on March 19, 2026 and geographically references Northern Rivers, New South Wales. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Warnings — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly BOM detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized BoM weather warning is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, SevereThunderstormWarning, NorthernRivers) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The Australian Government Bureau of Meteorology (BOM) has issued a Severe Thunderstorm Warning (IDN21033) for heavy rainfall. This high-priority alert is currently in effect for parts of the Northern Rivers Forecast District in New South Wales.

Affected Areas

The warning specifically covers parts of the Northern Rivers region. Locations that may be affected by the storm activity include Tweed Heads and Hastings Point.

Expected Conditions

A slow-moving line of heavy showers and isolated thunderstorms has developed across the district. This system is moving slowly to the north and is expected to produce isolated areas of heavy rainfall throughout the morning and afternoon.

Significant rainfall totals have already been recorded in the region:

  • Byron Bay: 75.5 mm of rainfall in the 1 hour leading to 12:46 pm.
  • Coopers Shoot: 106 mm of rainfall in the 3 hours leading to 12:45 pm.

These severe thunderstorms are likely to produce heavy rainfall that may lead to dangerous flash flooding within the warning area over the next several hours.

What You Should Do

The State Emergency Service (SES) advises residents to take the following precautions:

  • Keep clear of creeks and storm drains.
  • Do not walk, ride your bike, or drive through flood water.
  • If you are trapped by flash flooding, seek refuge in the highest available place and call 000 if you require rescue.
  • Stay indoors, away from windows, and keep children and pets inside.
  • For emergency assistance in floods and storms, contact the SES at 132 500.
  • Monitor updates via the Hazards Near Me NSW app.

Timeline

The warning was issued at 1:08 pm on Friday, 13 March 2026. The weather situation is ongoing, and the next official warning update is scheduled to be issued by 4:10 pm.

Original source: BOM Official Notice ↗

All Weather Warnings →

Frequently Asked Questions

Common questions about this BoM weather warning.

What is this BoM weather warning about?
The Bureau of Meteorology has issued a high-priority warning for the Northern Rivers district as slow-moving thunderstorms bring heavy rain and flash flooding risks to the region.
Which agency issued this alert?
This alert was issued by BOM. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northern Rivers, New South Wales. Check with BOM for the most current geographic scope.
Where can I find more Weather Warnings updates?
Browse the full Weather Warnings feed on Areazine at areazine.com/au/weather/ for the latest updates from BOM and other agencies.