Message:23420 In: SPACWX.USA
From: N4SDDate: Tue, 02 Jun 26 00:32:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather 3-Day Forecast
Message-ID: <14898_N4SD>
Path: N2MH4|N2MH|K5DAT|K5DAT|WW6Q|W9GM|KA3BVJ|KA3VSP|N4SD
R:260602/0655Z 31874@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260602/0654z @:N2MH.#NNJ.NJ.USA.NOAM [via AREDN Mesh] jnos 2.0p $:14898_N4SD
R:260602/0649Z @:K5DAT.NEWI.WI.USA.NA [ELK Grove Village, IL USA] #:6379 XrLin505c
R:260602/0649Z 39742@K5DAT.#NEWI.WI.USA.NOAM LinBPQ6.0.25
R:260602/0648Z 53835@WW6Q.#NEIN.IN.USA.NOAM LinBPQ6.0.25
R:260602/0647Z 1325@W9GM.#SWWI.WI.USA.NOAM BPQ6.0.24
R:260602/0647Z 82156@KA3BVJ.#EPA.PA.USA.NOAM BPQ1.4.65
R:260602/0636Z 2813@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260602/0032Z 14898@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
FXXX10 KWNP 020031
DAYTDF
:Product: 3-Day Forecast
:Issued: 2026 Jun 02 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 Jun 02-Jun 04 2026 is 3.67 (below NOAA
Scale levels).
NOAA Kp index breakdown Jun 02-Jun 04 2026
Jun 02 Jun 03 Jun 04
00-03UT 1.67 1.67 3.00
03-06UT 1.33 3.00 2.67
06-09UT 1.33 2.67 2.67
09-12UT 1.33 1.67 3.00
12-15UT 1.33 2.33 2.67
15-18UT 1.33 2.67 3.00
18-21UT 1.67 3.67 2.67
21-00UT 2.67 3.00 3.67
Rationale: 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 Jun 02-Jun 04 2026
Jun 02 Jun 03 Jun 04
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 Jun 02-Jun 04 2026
Jun 02 Jun 03 Jun 04
R1-R2 20% 20% 20%
R3 or greater 1% 1% 1%
Rationale: There is a slight chance for R1-R2 (Minor-Moderate) radio
blackouts through 04 Jun.
------
73 de Sperry N4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
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