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Thursday 11 May 2000 |
Wintry
outbreak in WA Heavy showers on NSW north coast |
A strong upper trough and its
associated cold air moved over southwestern WA today, bringing wintry
temperatures, hail and heavy showers. A surface low developed off the state's
southwestern tip late yesterday, then skirted the South Coast, dragging
an active cold front eastwards. A heavy hailstorm caused minor damage around
Kelmscott, 25km SE of the Perth CBD, about 8am as the front passed,
with a 10-minute average wind speed of 70km/h reported from nearby Jandakot
AP. Hail up to 1.5cm covered lawns in the storm, which developed rapidly
as it moved over the coast from the west, and died just as quickly as it
passed over the Darling Range. Mean winds of 70km/h were again reported
from Cape Leeuwin late this afternoon in a cold southerly stream
behind the front. The wintry outbreak caused temperatures to plummet. Eucla,
in the state's southeast, recorded a top temperature of 32, 11 above average,
while Karnet, 50km south of Perth, recorded a top of only 11°, 7.5 below.
Isolated heavy showers gave Cape Byron NSW, the continent's most easterly point, 60mm in 3 hours to 5 this afternoon. Colder upper air atop a southeasterly airstream produced the odd heavy fall farther south yesterday. |
Today's highest rainfall totals for the 24 hours to 9am 46.0 Kalamunda WA |
Today's highest & lowest temps |
Other extremes Rainfall: Flood peaks: Records set this day . |
|
Maximum | Minimum | ||
36.0 Curtin AP Derby WA | 26.4 Troughton Is WA | ||
7.0 Mt Hotham Vic | -6.2 Charlotte Pass NSW | ||
Greatest variations from normal |
|||
Maximum | Minimum | ||
+11.1 32.0 Eucla AP WA |
+8.5 17.0 Ceduna AP SA |
||
-7.5 11.2 Karnet Serpentine WA |
-4.6 -0.4 Grove Res Stn Tas |
|