HF Systems
FORECAST SOL: Normal green MAG: Moderate yellow ION: Normal green
HomeHF SystemsAustralasiaHF ConditionsIonospheric Summary and Forecast Monday, Jul 23 2018 03:55 UT
Australasia

Ionospheric Summary and Forecast

Ionospheric Summary

(last updated 22 Jul 2018 23:30 UT)

Date T index 22 Jul 4 Observed Australian Regional MUFs Cocos Island Region: No data available during local day. No data available during local night. Niue Island Region: Near predicted monthly values during local day. Enhanced by 30% during local night. Enhanced by 25% after local dawn. Northern Australian Region: Near predicted monthly values. Southern Australian Region: Near predicted monthly values during local day. Enhanced by 25% during local night. Antarctic Region (Casey/Scott Base/Davis/Mawson): Near predicted monthly values over the UT day. Monthly T index: Month T index Jun 7 Jul -2 Aug -3

Ionospheric Forecast

(last updated 22 Jul 2018 23:30 UT)

Date T index MUFs 23 Jul 5 Near predicted monthly values 24 Jul 15 Near to 15% above predicted monthly values 25 Jul 0 Near predicted monthly values COMMENT: Mostly normal HF conditions were observed across the Aus/NZ regions on UT day 22 July, with periods of mild to moderate MUF enhancements in the Southern Australian Region during local night. Incidents of sporadic-E were observed at some Australian sites. Mostly normal to moderately enhanced MUFs are expected in the Aus/NZ regions for the next two UT days (23-24 July). Periods of moderately degraded conditions are possible on 24 July and 25 July due to expected increase of geomagnetic activity.

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