Message:24021 In: SPACWX.USA
From: N4SDDate: Thu, 11 Jun 26 00:31:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather 3-Day Forecast
Message-ID: <15586_N4SD>
Path: N2MH4|WB4WPF|KA3VSP|N4SD
R:260611/2218Z 32276@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260611/2217Z 13876@WB4WPF.#SFL.FL.USA.NOAM LinBPQ6.0.25
R:260611/2216Z 3262@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260611/0031Z 15586@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
FXXX10 KWNP 110031
DAYTDF
:Product: 3-Day Forecast
:Issued: 2026 Jun 11 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 11-Jun 13 2026 is 4.00 (below NOAA
Scale levels).
NOAA Kp index breakdown Jun 11-Jun 13 2026
Jun 11 Jun 12 Jun 13
00-03UT 2.00 3.67 3.00
03-06UT 2.00 4.00 2.00
06-09UT 3.00 4.00 2.00
09-12UT 2.67 2.33 2.67
12-15UT 3.00 2.00 2.67
15-18UT 3.00 2.67 2.67
18-21UT 3.00 2.00 2.67
21-00UT 2.67 2.33 3.00
Rationale: No G1 (Minor) or greater geomagnetic storms are expected
through 13 Jun.
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 11-Jun 13 2026
Jun 11 Jun 12 Jun 13
S1 or greater 5% 5% 5%
Rationale: No S1 (Minor) or greater solar radiation storms are expected
through 13 Jun.
C. NOAA Radio Blackout Activity and Forecast
No radio blackouts were observed over the past 24 hours.
Radio Blackout Forecast for Jun 11-Jun 13 2026
Jun 11 Jun 12 Jun 13
R1-R2 40% 40% 40%
R3 or greater 10% 10% 10%
Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts,
with a slight chance for R3 (Strong) or greater events, through 13 Jun.
------
73 de Sperry N4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
Received via NOAA GOES-East satellite downlink
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