Message:18400 In: SPACWX.USA
From: N4SDDate: Sat, 07 Mar 26 12:32:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather 3-Day Forecast
Message-ID: <8514_N4SD>
Path: N2MH4|N3MEL|N3FUD|N3IP|KA3VSP|N4SD
R:260307/1409Z 28741@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260307/1407Z 12894@N3MEL.#EPA.PA.USA.NOAM LinBPQ6.0.25
R:260307/1406Z 2733@N3FUD.#EPA.PA.USA.NOAM LinBPQ6.0.25
R:260307/1405Z 63444@N3IP.#SEPA.PA.USA.NOAM BPQK6.0.24
R:260307/1404Z 55225@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260307/1232Z 8514@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
FXXX10 KWNP 071231
DAYTDF
:Product: 3-Day Forecast
:Issued: 2026 Mar 07 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
#
# 3-Day Forecast
#
A. NOAA Geomagnetic Activity Observation and Forecast
The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Mar 07-Mar 09 2026 is 4.33 (below NOAA
Scale levels).
NOAA Kp index breakdown Mar 07-Mar 09 2026
Mar 07 Mar 08 Mar 09
00-03UT 4.33 2.67 2.67
03-06UT 3.33 3.67 2.67
06-09UT 3.00 2.67 3.67
09-12UT 2.33 2.67 2.67
12-15UT 3.33 1.67 1.67
15-18UT 3.00 1.67 1.67
18-21UT 2.33 2.67 2.67
21-00UT 2.33 3.00 2.67
Rationale: No G1 (Minor) or greater geomagnetic storms are expected.
B. NOAA Solar Radiation Activity Observation and Forecast
Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was
below S-scale storm level thresholds.
Solar Radiation Storm Forecast for Mar 07-Mar 09 2026
Mar 07 Mar 08 Mar 09
S1 or greater 1% 1% 1%
Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.
C. NOAA Radio Blackout Activity and Forecast
No radio blackouts were observed over the past 24 hours.
Radio Blackout Forecast for Mar 07-Mar 09 2026
Mar 07 Mar 08 Mar 09
R1-R2 20% 20% 20%
R3 or greater 1% 1% 1%
Rationale: There exists a slight chance for R1-R2 (Minor-Moderate) radio
blackouts over 07-09 Mar.
------
73 de Sperry N4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
Received via NOAA GOES-East satellite downlink
Return To Bulletin List