Routine Space Environment Product (Daily)
Issued by NWS

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847
FXXX10 KWNP 061231
DAYTDF

:Product: 3-Day Forecast
:Issued: 2024 Jun 06 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 Jun 06-Jun 08 2024 is 3.33 (below NOAA
Scale levels).

NOAA Kp index breakdown Jun 06-Jun 08 2024

             Jun 06       Jun 07       Jun 08
00-03UT       2.00         1.67         2.00
03-06UT       2.00         1.33         1.67
06-09UT       2.67         1.33         1.33
09-12UT       1.67         1.67         1.33
12-15UT       1.33         1.33         2.00
15-18UT       1.33         1.67         3.00
18-21UT       1.33         1.33         3.00
21-00UT       1.67         1.33         3.33

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-18 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Jun 06-Jun 08 2024

              Jun 06  Jun 07  Jun 08
S1 or greater   20%     20%     20%

Rationale: There is a chance for a greater than 10 MeV proton event
exceeding the S1 (Minor) threshold through 08 Jun, primarily due to the
flare potential of Region 3697.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Jun 06-Jun 08 2024

              Jun 06        Jun 07        Jun 08
R1-R2           60%           60%           60%
R3 or greater   20%           20%           20%

Rationale: Occasional R1-R2 (Minor-Moderate) Radio Blackouts are likely,
with a slight chance for isolated R3 (Strong) Radio Blackouts through 08
Jun.