:Product: 3-Day Forecast
:Issued: 2025 Mar 06 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Mar 06-Mar 08 2025 is 4.00 (below NOAA
Scale levels).

NOAA Kp index breakdown Mar 06-Mar 08 2025

Mar 06 Mar 07 Mar 08
00-03UT 3.00 1.33 2.00
03-06UT 2.67 1.33 1.67
06-09UT 2.33 1.67 2.00
09-12UT 2.33 1.67 2.33
12-15UT 1.67 1.67 2.33
15-18UT 2.00 1.33 2.67
18-21UT 2.33 1.33 3.00
21-00UT 2.33 1.33 4.00

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 Mar 06-Mar 08 2025

Mar 06 Mar 07 Mar 08
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

Radio blackouts reaching the R1 levels were observed over the past 24
hours. The largest was at Mar 05 2025 1150 UTC.

Radio Blackout Forecast for Mar 06-Mar 08 2025

Mar 06 Mar 07 Mar 08
R1-R2 45% 45% 45%
R3 or greater 10% 10% 10%

Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts
through 08 Mar.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 09 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 5 (NOAA Scale
G1).
The greatest expected 3 hr Kp for Mar 09-Mar 11 2025 is 5.00 (NOAA Scale
G1).

NOAA Kp index breakdown Mar 09-Mar 11 2025

Mar 09 Mar 10 Mar 11
00-03UT 3.33 4.00 3.67
03-06UT 4.67 (G1) 5.00 (G1) 3.67
06-09UT 3.67 4.00 3.33
09-12UT 3.67 3.33 3.33
12-15UT 3.00 3.00 3.33
15-18UT 2.33 3.00 3.33
18-21UT 3.00 3.67 3.67
21-00UT 3.67 4.00 3.33

Rationale: G1 (Minor) conditions are expected on 09-10 Mar due to
influence from a negative polarity coronal hole.

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 Mar 09-Mar 11 2025

Mar 09 Mar 10 Mar 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
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Mar 09-Mar 11 2025

Mar 09 Mar 10 Mar 11
R1-R2 30% 30% 30%
R3 or greater 5% 5% 5%

Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts
over 09-11 Mar.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 13 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 5 (NOAA Scale
G1).
The greatest expected 3 hr Kp for Mar 13-Mar 15 2025 is 4.67 (NOAA Scale
G1).

NOAA Kp index breakdown Mar 13-Mar 15 2025

Mar 13 Mar 14 Mar 15
00-03UT 4.67 (G1) 3.33 3.67
03-06UT 4.67 (G1) 3.00 2.67
06-09UT 4.00 3.67 2.33
09-12UT 4.33 3.33 2.33
12-15UT 2.67 3.00 2.33
15-18UT 3.33 3.67 2.00
18-21UT 4.33 3.33 2.67
21-00UT 3.67 3.00 2.67

Rationale: Due to the continued southward orientation of the IMF,
G1-Minor storming conditions are expected to continue.

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 Mar 13-Mar 15 2025

Mar 13 Mar 14 Mar 15
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
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Mar 13-Mar 15 2025

Mar 13 Mar 14 Mar 15
R1-R2 40% 40% 40%
R3 or greater 5% 5% 5%

Rationale: There is a chance for M-Class (R1-R2 Minor-Moderate)
flaring 13-15 Mar.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 16 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Mar 16-Mar 18 2025 is 3.67 (below NOAA
Scale levels).

NOAA Kp index breakdown Mar 16-Mar 18 2025

Mar 16 Mar 17 Mar 18
00-03UT 1.67 3.67 3.67
03-06UT 2.33 3.00 3.33
06-09UT 3.00 2.67 3.00
09-12UT 3.00 2.00 2.00
12-15UT 3.33 2.00 2.00
15-18UT 3.33 2.33 3.00
18-21UT 3.33 2.67 3.33
21-00UT 3.67 3.00 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 Mar 16-Mar 18 2025

Mar 16 Mar 17 Mar 18
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 Mar 16-Mar 18 2025

Mar 16 Mar 17 Mar 18
R1-R2 45% 45% 45%
R3 or greater 10% 10% 10%

Rationale: There is a chance for M-class flaring (R1-R2, Minor-Moderate)
and a slight chance for X-class flares through 17 Mar.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 19 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
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 Mar 19-Mar 21 2025 is 4.00 (below NOAA
Scale levels).

NOAA Kp index breakdown Mar 19-Mar 21 2025

Mar 19 Mar 20 Mar 21
00-03UT 3.67 3.00 4.00
03-06UT 3.67 2.67 3.00
06-09UT 2.33 2.33 2.67
09-12UT 1.67 2.00 2.33
12-15UT 2.00 2.00 2.00
15-18UT 2.33 2.33 2.00
18-21UT 2.67 3.33 2.33
21-00UT 2.67 3.67 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-18 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Mar 19-Mar 21 2025

Mar 19 Mar 20 Mar 21
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 Mar 19-Mar 21 2025

Mar 19 Mar 20 Mar 21
R1-R2 50% 50% 50%
R3 or greater 10% 10% 10%

Rationale: A high chance for M-class flares (R1-R2, Minor-Moderate), and
a slight chance for an isolated X-class flare (R3, Strong), will persist through 21 Mar.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 22 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 5 (NOAA Scale
G1).
The greatest expected 3 hr Kp for Mar 22-Mar 24 2025 is 5.33 (NOAA Scale
G1).

NOAA Kp index breakdown Mar 22-Mar 24 2025

Mar 22 Mar 23 Mar 24
00-03UT 5.33 (G1) 3.67 2.67
03-06UT 5.33 (G1) 3.33 2.00
06-09UT 4.00 2.67 2.00
09-12UT 2.67 2.67 1.67
12-15UT 2.67 2.00 2.00
15-18UT 2.33 2.00 2.00
18-21UT 2.00 2.33 2.67
21-00UT 2.33 2.67 2.33

Rationale: G1 (Minor) or greater geomagnetic storms are expected early
on 22 Mar due to lingering CME effects. No significant transient or
recurrent solar wind features are forecast on 23-24 March.

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 Mar 22-Mar 24 2025

Mar 22 Mar 23 Mar 24
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

Radio blackouts reaching the R1 levels were observed over the past 24
hours. The largest was at Mar 21 2025 1558 UTC.

Radio Blackout Forecast for Mar 22-Mar 24 2025

Mar 22 Mar 23 Mar 24
R1-R2 25% 25% 25%
R3 or greater 5% 5% 5%

Rationale: A chance for R1-R2 (Minor-Moderate) radio blackouts due to
M-class flares will persist through 24 Mar.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 25 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Mar 25-Mar 27 2025 is 5.67 (NOAA Scale
G2).

NOAA Kp index breakdown Mar 25-Mar 27 2025

Mar 25 Mar 26 Mar 27
00-03UT 3.00 4.67 (G1) 3.67
03-06UT 2.67 3.67 3.67
06-09UT 2.67 3.33 3.33
09-12UT 3.00 3.33 2.67
12-15UT 3.67 2.67 2.33
15-18UT 5.00 (G1) 2.67 2.33
18-21UT 5.00 (G1) 3.33 2.67
21-00UT 5.67 (G2) 3.67 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 Mar 25-Mar 27 2025

Mar 25 Mar 26 Mar 27
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 Mar 25-Mar 27 2025

Mar 25 Mar 26 Mar 27
R1-R2 30% 30% 30%
R3 or greater 5% 5% 5%

Rationale: No R1 (Minor) or greater radio blackouts are expected. No significant active region flare activity is forecast.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 28 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 5 (NOAA Scale
G1).
The greatest expected 3 hr Kp for Mar 28-Mar 30 2025 is 4.00 (below NOAA
Scale levels).

NOAA Kp index breakdown Mar 28-Mar 30 2025

Mar 28 Mar 29 Mar 30
00-03UT 3.67 3.33 3.00
03-06UT 4.00 2.00 2.67
06-09UT 4.67 2.00 2.00
09-12UT 3.67 3.00 2.00
12-15UT 3.67 3.00 2.00
15-18UT 3.67 3.33 1.33
18-21UT 4.00 3.33 1.33
21-00UT 4.00 3.33 2.33

Rationale: The geomagnetic field is expected to observe periods of G1
(Minor) geomagnetic storm levels on 28 Mar due to CH HSS influence.

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 Mar 28-Mar 30 2025

Mar 28 Mar 29 Mar 30
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
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

Radio blackouts reaching the R1 levels were observed over the past 24
hours. The largest was at Mar 27 2025 0037 UTC.

Radio Blackout Forecast for Mar 28-Mar 30 2025

Mar 28 Mar 29 Mar 30
R1-R2 25% 25% 25%
R3 or greater 1% 1% 1%

Rationale: There exists a chance for R1-R2 (Minor-Moderate) radio
blackouts over 28-30 Mar.



--- MBSE BBS v1.1.0 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Mar 31 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
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 Mar 31-Apr 02 2025 is 3.00 (below NOAA
Scale levels).

NOAA Kp index breakdown Mar 31-Apr 02 2025

Mar 31 Apr 01 Apr 02
00-03UT 2.33 2.33 2.67
03-06UT 2.00 3.00 2.67
06-09UT 2.00 3.00 2.00
09-12UT 2.00 2.33 2.00
12-15UT 2.00 2.00 1.67
15-18UT 2.00 2.00 1.67
18-21UT 2.33 2.33 2.00
21-00UT 2.67 2.00 2.33

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 Mar 31-Apr 02 2025

Mar 31 Apr 01 Apr 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

Radio blackouts reaching the R1 levels were observed over the past 24
hours. The largest was at Mar 30 2025 1642 UTC.

Radio Blackout Forecast for Mar 31-Apr 02 2025

Mar 31 Apr 01 Apr 02
R1-R2 55% 50% 50%
R3 or greater 10% 10% 10%

Rationale: R1-R2 (Minor-Moderate) radio blackouts are likely on 31 Mar,
with a chance for up to R2 events persists through 02 Apr. A slight
chance for R3 (Strong) events exists for 31 Mar - 02 Apr.



--- MBSE BBS v1.1.1 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)

:Product: 3-Day Forecast
:Issued: 2025 Apr 03 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Apr 03-Apr 05 2025 is 5.00 (NOAA Scale
G1).

NOAA Kp index breakdown Apr 03-Apr 05 2025

Apr 03 Apr 04 Apr 05
00-03UT 3.67 1.00 5.00 (G1)
03-06UT 3.33 1.00 4.00
06-09UT 3.00 2.33 3.67
09-12UT 2.33 3.67 3.33
12-15UT 2.00 3.33 2.33
15-18UT 1.33 3.33 2.33
18-21UT 2.00 3.67 2.67
21-00UT 2.33 5.00 (G1) 2.67

Rationale: G1 (Minor) geomagnetic storms are likely on 04-05 Apr due to anticipated recurrent coronal hole activity.

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 Apr 03-Apr 05 2025

Apr 03 Apr 04 Apr 05
S1 or greater 15% 15% 15%

Rationale: There is a slight chance for S1 (Minor) solar radiation
storms over 03-05 Apr, primarily due to the flare potential from Region
4048.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Apr 03-Apr 05 2025

Apr 03 Apr 04 Apr 05
R1-R2 70% 70% 70%
R3 or greater 15% 15% 15%

Rationale: R1-R2 (Minor-Moderate) radio blackouts are likely over 03-05
Apr, primarily due to the flare potential from Region 4048.



--- MBSE BBS v1.1.1 (Linux-x86_64)
* Origin: Outpost BBS * Johnson City, TN (618:618/1)