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[Propagation+Space Weather] Today's Space Weather Forecast Discussion on

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Subject: [Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Feb 18 1230 UTC
From: nw7us@sunspotwatch.com
Reply-to: Practical radio-wave propagation and space weather <propagation@contesting.com>
Date: Mon, 18 Feb 2019 20:07:18 +0000
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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Feb 18 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. The visible disk remained spotless. No Earth-directed CMEs were observed in available satellite imagery.

Forecast: Solar activity is expected to be very low on 18-20 Feb.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux reached moderate levels. The greater than 10 MeV proton flux remained at background values.

Forecast: The greater than 2 MeV electron flux is expected to reach moderate levels on 18-20 Feb. The greater than 10 MeV proton flux is expected to continue at background levels all three days.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the DSCOVR spacecraft, reflected mostly nominal conditions. Total magnetic field strength ranged between 2-7 nT. Bz reached a maximum southward deflection of -6 nT. Wind speeds remained low, ranging from 320-370 km/s. Phi angle was variable.

Forecast: Solar wind parameters are expected to continue at ambient levels through 18 Feb. An enhancement in solar wind from the onset of influence from a recurrent, positive polarity CH HSS is expected on 19-20 Feb.

Geospace

24 hr Summary: The geomagnetic field was quiet to unsettled.

Forecast: The geomagnetic field is expected to be mostly quiet on 18 Feb. Unsettled to active conditions are likely on 19-20 Feb in response to the onset of influence from a recurrent, positive polarity CH HSS.

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Live Aurora mapping is at http://aurora.sunspotwatch.com/

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Today's Space Weather Forecast Discussion - 2019 Feb 18 20:07 UTC

Live data: SunSpotWatch.com

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