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North Coast Severe Storms: Monday 6th November 2000
by Michael Bath

  • All times are Australian Eastern Daylight Savings Time which is UTC + 11.
  • Click on images for larger view.

    
    -------------------------------------------------------------------------
    SEVERE THUNDERSTORM ADVICE
    BUREAU OF METEOROLOGY
    NEW SOUTH WALES REGIONAL OFFICE
    Issued at 1359 on Monday the 6th of November 2000
    
    This advice affects people in the following weather districts:
    
    Northern Rivers, Mid-North Coast
    
    Thunderstorms are occurring within the advice area and are expected to
    continue through this afternoon. Some of these may become severe bringing
    large hailstones, damaging winds and very heavy rainfall.
    -------------------------------------------------------------------------
    

    Two hailstorms have cut through the North Coast region from S and NW of Casino, through Lismore, Dunoon and Mullumbimby, tracking generally NE. At least 50 knot winds with tree damage were reported at Dunoon (N of Lismore) and Rock Valley (NW of Lismore). Hail was reported from Tatham (SE of Casino) and McKees Hill (E of Casino). A roof has been torn off a house at Mullumbimby.

    The following three pictures were taken from Parrots Nest, about 5km S of Lismore as rapid storm development became organised along a NNW-SSE line. The morning had been overcast with cirrostratus, but cumulus quickly developed once heating occurred in the clearance area to the W.

    S of Lismore 1.45pm looking SSW S of Lismore 1.45pm looking W S of Lismore 2pm looking WNW

    Two main thunderstorm cells dominated shortly after those photos were taken. The southern cell passed just NW of my home at McLeans Ridges (E of Lismore). We had some very close CGs and all sorts of amazing lowerings spreading through the valley to my W, NW and N. 7.5mm of rain fell in about 10 minutes, most of which fell at the end in about 3 minutes. Winds were not strong, but commenced as westerly before turning to the NE.

    McLeans Ridges 3.03pm looking W McLeans Ridges 3.03pm looking S McLeans Ridges 3.14pm looking WSW
    McLeans Ridges 3.22pm looking W McLeans Ridges 3.27pm looking W McLeans Ridges 3.30pm looking W McLeans Ridges 3.31pm looking W

    Another large storm complex developed behind the first lot and approached the Lismore area around 6.30pm, but it rapidly dissipated and gave just some close CGs and moderate rain.


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    Radar

    These images from Bureau of Meteorology.

  • Grafton local scale 0130z to 0900z 06/11/2000 (12.30pm to 8.00pm local)

    MSL Analysis Charts

    These images obtained from Bureau of Meteorology.

  • BoM MSL 06/11/2000 11am local
  • BoM MSL 06/11/2000 5pm local
    Document: 0011-03.html
    Updated: 2nd November, 2001
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