HF Systems
FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green
HomeHF SystemsAustralasiaHF ConditionsIonospheric Summary and Forecast Sunday, May 31 2020 07:24 UT
Australasia

Ionospheric Summary and Forecast

Ionospheric Summary

(last updated 30 May 2020 23:38 UT)

Date T index 30 May 6 Observed Australian Regional MUFs Cocos Island Region: Enhanced by 15% during local day. Near predicted monthly values during local night. Depressed by 20% after local dawn. Niue Island Region: Near predicted monthly values during local day. Enhanced by 65% during local night. Northern Australian Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Enhanced by 20% after local dawn. Southern Australian Region: Near predicted monthly values during local day. Enhanced by 80% during local night. Enhanced by 20% after local dawn. Antarctic Region (Casey/Scott Base/Davis/Mawson): Enhanced by 15% over the UT day. Monthly T index: Month T index Apr 1 May -13 Jun -13

Ionospheric Forecast

(last updated 30 May 2020 23:38 UT)

Date T index MUFs 31 May 0 Near predicted monthly values 01 Jun 0 Near predicted monthly values 02 Jun -5 Near predicted monthly values COMMENT: SWS SWF HF Communications Warning 3 was issued on 30 May and is current for 30 May to 1 Jun. MUFs were mostly near predicted values with Mild to Moderate enhancements in the Australian region on UT day 30 May. Sporadic E was observed over some sites. MUFs in the Australian region are expected to stay mostly at normal levels for the next three UT days, 31 May to 02 June.

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