:Product: Weekly Highlights and Forecasts
:Issued: 2015 Apr 06 0133 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/weekly.html
#
#
Weekly Highlights and Forecasts
#
Highlights of Solar and Geomagnetic
Activity 30 March - 05 April 2015
Solar activity was at low levels
throughout the period. Region 2303
(N19, L=066, class/area=Hkx/400 on 17 Mar)
produced low to mid-level
C-class activity early in the period while Regions
2318 (N10, L=199,
class/area=Dao/199 on 05 Apr) and 2320 (S12,
L=212,
class/area=Dai/140 on 05 Apr) each produced only low-level
C-class
flare activity throughout the remainder of the period.
A
filament eruption centered near S29E28 was observed in SDO/AIA 193
imagery
between 04/2225-2330 UTC. A long-duration C3/1f hyderflare
was measured
during this event and had an associated Type-II radio
emission. The
subsequent fast-moving coronal mass ejection (CME) was
first observed in
SOHO/LASCO C2 coronagraph imagery beginning at
04/2336 UTC. WSA-ENLIL model
output suggests a glancing blow arrival
of this CME late on 07 April.
No proton events were observed at geosynchronous orbit.
The
greater than 2 MeV electron flux at geosynchronous orbit was at
normal levels
on 30 Mar and normal to moderate levels on 31 Mar-05
Apr.
Geomagnetic
field activity was at quiet to unsettled levels on 02-04
Apr with an isolated
period of active conditions observed between
2100-2359 UTC on 02 Apr due to
the effects of a positive polarity
coronal hole high speed stream. Quiet to
unsettled levels were
observed on 30 Mar-01 Apr, and 05 Apr under a mostly
nominal solar
wind environment.
FORECAST OF SOLAR AND GEOMAGNETIC
ACTIVITY 06 APRIL - 02 MAY 2015
Solar activity is expected to be low
(below NOAA Scale event
thresholds) with a slight chance for M-class
(R1-Minor) flare
activity throughout the outlook period.
No proton
events are expected at geosynchronous orbit.
The greater than 2 MeV
electron flux at geosynchronous orbit is
expected to reach high levels on
22-24 Apr and 02 May, moderate
levels on 06-08, 11-14, 17, 20-21 Apr, and 27
Apr-01 May, and at
normal levels for the remainder of the period.
Geomagnetic field activity is expected to be at G1
(Minor)
geomagnetic storm levels on 15-16, 18-19, and 25-27 Apr due
to
coronal hole high speed stream effects. Active conditions are
expected
on 07-09 Apr due to the anticipated arrival of the 04/05
Apr CME. Active
conditions are expected on 17, 20 Apr, and 28 Apr-01
May due to coronal hole
high speed stream effects with generally
quiet to unsettled levels likely for
the remainder of the period.
:Product: 27-day Space Weather Outlook Table
27DO.txt
:Issued: 2015 Apr 06 0134 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
#
#
27-day Space Weather Outlook Table
# Issued
2015-04-06
#
# UTC Radio Flux Planetary Largest
#
Date 10.7 cm A Index Kp Index
2015 Apr 06 120
8 3
2015 Apr 07 125 12 4
2015 Apr 08
125 15 4
2015 Apr 09 130 12 4
2015
Apr 10 135 12 3
2015 Apr 11 135
5 2
2015 Apr 12 135 5 2
2015 Apr 13
135 5 2
2015 Apr 14 130 5 2
2015
Apr 15 130 20 5
2015 Apr 16 140
20 5
2015 Apr 17 145 15 4
2015 Apr 18
145 20 5
2015 Apr 19 145 20 5
2015
Apr 20 135 12 4
2015 Apr 21 130
12 3
2015 Apr 22 130 8 3
2015 Apr 23
125 8 3
2015 Apr 24 120 8 3
2015
Apr 25 125 25 5
2015 Apr 26 125
29 5
2015 Apr 27 130 29 5
2015 Apr 28
130 15 4
2015 Apr 29 120 12 4
2015
Apr 30 115 18 4
2015 May 01 115
12 4
2015 May 02 115 8 3
