Message 22102 in SPACWX.USA
From: N4SD
Date: Sat, 09 May 26 12:31:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather 3-Day Forecast
Message-ID: <12903_N4SD>
Path: N2MH4|N3MEL|N3FUD|N3IP|KA3VSP|N4SD
R:260509/2053Z 31042@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260509/1419Z 16873@N3MEL.#EPA.PA.USA.NOAM LinBPQ6.0.25
R:260509/1403Z 7971@N3FUD.#EPA.PA.USA.NOAM LinBPQ6.0.25
R:260509/1403Z 66934@N3IP.#SEPA.PA.USA.NOAM BPQK6.0.24
R:260509/1402Z 1804@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260509/1231Z 12903@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
FXXX10 KWNP 091231
DAYTDF
:Product: 3-Day Forecast
:Issued: 2026 May 09 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 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for May 09-May 11 2026 is 2.67 (below NOAA
Scale levels).
NOAA Kp index breakdown May 09-May 11 2026
May 09 May 10 May 11
00-03UT 2.33 2.67 1.67
03-06UT 1.33 2.00 2.67
06-09UT 1.00 2.00 2.67
09-12UT 1.67 1.67 1.67
12-15UT 2.00 1.00 1.33
15-18UT 1.67 0.67 1.33
18-21UT 2.00 1.00 2.00
21-00UT 2.67 1.67 2.67
Rationale: No G1 (Minor) or greater geomagnetic storms are expected. No
significant transient or recurrent solar wind features are forecast.
B. NOAA Solar Radiation Activity Observation and Forecast
Solar radiation, as observed by NOAA GOES-19 over the past 24 hours, was
below S-scale storm level thresholds.
Solar Radiation Storm Forecast for May 09-May 11 2026
May 09 May 10 May 11
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
pN4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
Received via NOAA GOES-East satellite downlink
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