932
FXXX10 KWNP 301231
DAYTDF

:Product: 3-Day Forecast
:Issued: 2024 Jun 30 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 30-Jul 02 2024 is 4.00 (below NOAA
Scale levels).

NOAA Kp index breakdown Jun 30-Jul 02 2024

             Jun 30       Jul 01       Jul 02
00-03UT       2.67         2.33         3.67
03-06UT       2.67         1.67         3.67
06-09UT       1.67         2.67         2.67
09-12UT       2.33         2.67         2.67
12-15UT       1.33         2.33         2.00
15-18UT       1.00         3.00         1.67
18-21UT       1.33         4.00         1.00
21-00UT       1.67         4.00         2.67

Rationale: No 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 30-Jul 02 2024

              Jun 30  Jul 01  Jul 02
S1 or greater    5%      5%      5%

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 30-Jul 02 2024

              Jun 30        Jul 01        Jul 02
R1-R2           30%           30%           30%
R3 or greater    5%            5%            5%

Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts
over 30 Jun - 02 Jul.