Message:18085 In: SPACWX.USA
From: N4SDDate: Sat, 28 Feb 26 00:31:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather 3-Day Forecast
Message-ID: <8096_N4SD>
Path: GB7RJJ|PU2XTC|KF5JRV|W0ARP|WD0HDR|KE0GB|W9GM|KA3BVJ|KA3VSP|N4SD
R:260228/0622Z 9089@GB7RJJ.#79.GBR.EURO LinBPQ6.0.25
R:260228/0220Z 6142@PU2XTC.SP.BRA.SOAM LinBPQ6.0.25
R:260228/0210Z 20797@KF5JRV.#NWAR.AR.USA.NA BPQK6.0.24
R:260228/0210Z 34441@W0ARP.#NCO.CO.USA.NOAM LinBPQ6.0.25
R:260228/0210Z 1282@WD0HDR.#NCO.CO.USA.NOAM BPQ6.0.25
R:260228/0209Z 10190@KE0GB.#SECO.CO.USA.NOAM LinBPQ6.0.25
R:260228/0208Z 53528@W9GM.#SWWI.WI.USA.NOAM BPQ6.0.25
R:260228/0206Z 78105@KA3BVJ.#EPA.PA.USA.NOAM BPQ1.4.65
R:260228/0203Z 55014@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260228/0031Z 8096@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
FXXX10 KWNP 280031
DAYTDF
:Product: 3-Day Forecast
:Issued: 2026 Feb 28 0030 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 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Feb 28-Mar 02 2026 is 4.33 (below NOAA
Scale levels).
NOAA Kp index breakdown Feb 28-Mar 02 2026
Feb 28 Mar 01 Mar 02
00-03UT 3.00 3.33 3.33
03-06UT 2.67 4.33 3.67
06-09UT 1.67 4.00 3.00
09-12UT 1.67 3.00 2.67
12-15UT 1.33 2.67 3.00
15-18UT 1.00 2.67 3.00
18-21UT 2.67 3.00 3.33
21-00UT 3.33 3.00 3.00
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 Feb 28-Mar 02 2026
Feb 28 Mar 01 Mar 02
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 Feb 28-Mar 02 2026
Feb 28 Mar 01 Mar 02
R1-R2 25% 25% 25%
R3 or greater 5% 5% 5%
Rationale: There exists a chance for R1-R2 (Minor-Moderate) radio
blackouts over 28 Feb - 02 Mar.
------
73 de Sperry N4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
Received via NOAA GOES-East satellite downlink
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