NOAA Kp index breakdown Aug 01-Aug 03 2026

             Aug 01       Aug 02       Aug 03
00-03UT       1.00         4.00         3.33     
03-06UT       1.00         4.33         4.00     
06-09UT       1.33         5.67 (G2)    3.00     
09-12UT       0.67         4.33         2.33     
12-15UT       2.00         5.00 (G1)    3.00     
15-18UT       1.67         3.00         1.00     
18-21UT       2.33         1.67         1.00     
21-00UT       3.33         1.67         0.67     

Rationale: G1-G2 (Minor-Moderate) geomagnetic storms are likely over 02 Aug due to anticipated effects from the arrival of a CME that left the Sun on 30 Jul.

B. NOAA Solar Radiation Activity Observation and Forecast Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was above S-scale storm level thresholds.

Solar Radiation Storm Forecast for Aug 01-Aug 03 2026

              Aug 01  Aug 02  Aug 03
S1 or greater   25%     25%      5%

Rationale: A decreasing chance for S1 (Minor) solar radiation storms is
forecast over 01-03 Aug.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Aug 01-Aug 03 2026

              Aug 01        Aug 02        Aug 03
R1-R2           35%           35%           35%
R3 or greater    5%            5%            5%

Rationale: There exists a chance for R1-R2 (Minor-Moderate) radio
blackouts over 01-03 Aug.