Message:21828 In: SPACWX.USA
From: N4SDDate: Sun, 03 May 26 12:31:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather 3-Day Forecast
Message-ID: <12486_N4SD>
Path: N2MH4|N3MEL|KA3VSP|N4SD
R:260503/1611Z 30861@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260503/1610Z 16632@N3MEL.#EPA.PA.USA.NOAM LinBPQ6.0.25
R:260503/1602Z 1566@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260503/1231Z 12486@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
FXXX10 KWNP 031231
DAYTDF
:Product: 3-Day For. 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 May 03-May 05 2026 is 3.33 (below NOAA
Scale levels).
NOAA Kp index breakdown May 03-May 05 2026
May 03 May 04 May 05
00-03UT 3.33 2.67 2.67
03-06UT 2.33 3.00 2.67
06-09UT 2.67 2.67 2.00
09-12UT 2.67 2.67 2.00
12-15UT 2.33 1.67 1.67
15-18UT 1.67 1.67 1.67
18-21UT 1.67 0.67 1.67
21-00UT 2.67 2.67 12UT 2.67 2.67 2.00
12-15UT 2.33 1.67 1.67
15-18UT 1.67 1.67 1.67
18-21UT 1.67 0.67 1.67
21-00UT 2.67 2.67 (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 May 03-May 05 2026
May 03 May 04 May 05
R1-R2 45% 45% 45%
R3 or greater 5% 5% 5%
Rationale: A chance for isolated R1-R2 (Minor-Moderate) radio blackouts
due to M-class flares will persist through 05 May.
------
73 de Sperry N4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
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