Message:20708 In: SPACWX.USA
From: N4SDDate: Sun, 12 Apr 26 12:31:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather Forecast Discussion
Message-ID: <11015_N4SD>
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FXXX12 KWNP 121231
DAYDIS
:Product: Forecast Discussion
:Issued: 2026 Apr 12 1230 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC contact on the Web
# http://www.swpc.noaa.gov/wwire.html
#
# Forecast Discussion
#
Solar Activity
.24 hr Summary...
Solar activity was at low levels. New Region 4417 (S08W80, Bxo/beta)
produced multiple low-level C-flares throughout the period. Region 4416
(N19W06, Dac/beta) was the only spotted region on the disk to exhibit
growth over the past 24 hours, though the region remained quiet. No
Earth-directed CMEs were observed in available coronagraph imagery.
.Forecast...
Solar activity is expected to reach low levels, with a slight chance for
M-flares (R1-R2/Minor-Moderate), over 12-14 Apr.
Energetic Particle
.24 hr Summary...
The greater than 2 MeV electron flux was at high levels with a peak flux
of 1,081 pfu. The greater than 10 MeV proton flux was at background
levels.
.Forecast...
The greater than 2 MeV electron flux is expected to be at normal to
moderate levels on 12 Apr, with high levels likely on 13-14 Apr. The
greater than 10 MeV proton flux is expected to remain at background
levels.
Solar Wind
.24 hr Summary...
Solar wind parameters reflected continued influence from a positive
polarity coronal hole. Total magnetic field strength ranged between 1-8
nT and Bz reached as far south as -4 nT. Solar wind speeds ranged
between ~500-650 km/s. Phi angle was predominantly positive.
.Forecast...
Solar wind parameters are expected to remain enhanced over 12-14 Apr due
to continued +CH HSS influences.
Geospace
.24 hr Summary...
The geomagnetic field was at quiet to unsettled levels under the
influence of a positive polarity CH HSS.
.Forecast...
The geomagnetic field is expected to be at quiet to unsettled levels on
12-13 Apr, with active conditions likely on 14 Apr, under continued +CH
HSS influences.
------
73 de Sperry N4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
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