Issued at 5:00 am CST on Thursday 21 March 2019
Gulf of Carpentaria or eastern Arnhem coastline during Saturday as a severe
tropical cyclone before moving inland over central parts of the NT during the
weekend. Ahead of the tropical cyclone, showers and thunderstorms will be
isolated across the Top End, while in the south mostly clear skies will result
in a continuation of very hot conditions.
A slight to medium chance of showers and thunderstorms north of Elliott,
increasing to a high to very high chance over the northeast Arnhem District and
Groote Eylandt. Mostly sunny elsewhere. Very hot across central and southern
districts. Moderate easterly winds south of Elliott, tending south to
southwesterly elsewhere. Winds strengthening during the day about the eastern
Arnhem and Carpentaria District coasts, with possible gale force winds near
part of the coast depending on the movement of Tropical Cyclone Trevor.
Mostly sunny south of Tennant Creek. A medium to high chance of showers and
thunderstorms, increasing to a very high chance with rain areas and heavy falls
over the Carpentaria and eastern Arnhem Districts. Very hot across the Tanami,
Lasseter and Simpson districts. Damaging to very destructive winds over parts
of the eastern Arnhem and Carpentaria Districts as Tropical Cyclone Trevor
makes landfall. Moderate easterly winds south of Tennant Creek, tending
moderate to fresh southeast to southwesterly elsewhere.
A medium to high chance of showers and thunderstorms north of Tennant Creek,
with rain and possible heavy falls over the Carpentaria and northern Barkly
Districts. A slight chance of showers or thunderstorms elsewhere. Strong and
damaging winds over central parts of the Territory. Moderate to fresh
northwesterly winds across the Top End. Moderate to fresh northeasterly winds
across the Lasseter and Simpson Districts.