Australian Government Bureau of Meteorology Western Australia TOP PRIORITY FOR IMMEDIATE BROADCAST Severe Thunderstorm Warning for Heavy Rainfall for parts of South West, South Coastal, Great Southern and Lower West districts. Issued at 10:31 am Saturday, 28 March 2026. Heavy rainfall possible over the South West. Weather Situation An upper trough moving through the South West is combining with a highly moist environment to produce heavy showers and isolated thunderstorms this morning. These are gradually easing as the morning progresses with areas tending to rain with moderate to heavy accumulations over the longer 6-hour period. HEAVY RAINFALL for the following areas: Lower West, South West, South Coastal and Great Southern Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Albany, Mount Barker, Denmark and Kojonup. A broader Severe Weather Warning is in place for inland parts of the South West Land Division related to Ex-Tropical Cyclone Narelle. For more information refer to www.bom.gov.au/weather-and-climate/warnings-and-alerts Observations: 61 mm of rainfall was recorded at Old Mandurah Rd in the 6 hours to 9:00 am. 33 mm of rainfall was recorded at Kompup in the 2 hours to 8:40 am. 44 mm of rainfall was recorded at Bullipup in the 6 hours to 8:40 am. 42 mm of rainfall was recorded at Rocky Gully in the 6 hours to 7:57 am. 40 mm of rainfall was recorded at Pinjarra in the 2 hours to 7:55 am. 48 mm of rainfall was recorded at Tonebridge in the 6 hours to 7:50 am. The Department of Fire and Emergency Services advises that people should: * If outside find safe shelter away from trees, power lines, storm water drains and streams. * Close your curtains and blinds, and stay inside away from windows. * Unplug electrical appliances and do not use land line telephones if there is lightning. * If there is flooding, create your own sandbags by using pillow cases filled with sand and place them around doorways to protect your home. * If boating, swimming or surfing leave the water. * Do not drive into water of unknown depth and current. * Slow down and turn your headlights on. * Be alert and watch for hazards on the road such as fallen power lines and loose debris. * If it is raining heavily and you cannot see, pull over and park with your hazard lights on until the rain clears. The next warning is due to be issued by 1:35 pm. Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and Department of Fire and Emergency Services would appreciate warnings being broadcast regularly.