Welcome to space weather, issued by XMDV radio at Tue the 25 Mar 2025 at 00:30:13

In the last 24 hours Solar activity has been at low levels with only C-class flares beingobserved throughout the period. The largest flare was a C5.2 from Region 4035 at 24 to 0737 utc. The region has been in decaywith the loss of penumbra in its leading spot. Otherwise, most of theflare activity has been from Region 4036 whichhas grown in its leader spot as well as increased its length and area. Its magnetic field appears to be increasing in magnetic complexity, however due to its approach towards the western limb and the effects offoreshortening its difficult to determine what is real and what is anartifact. Multiple regions decayed to plage while others were stable. There have been a few faint, thin coronal mass ejections near both the east and west limbsthroughout the period but nothing that was Earth-directed or of concern. With many of the active regions in decay flare probabilities remain low. There remains a chance for isolated M-class activity and a very low chance for X-class .

In the last 24 hours The greater than 2 mega electron volt electron flux has been at normal to moderatelevels. The greater than 10 mega electron volt electron flux was at background. The electron flux at geostationary orbit is expected to remain at normalto moderate levels 25 march. With the arrival of the coronal hole high speed stream electrons are expected to increase 26 to 27 march. Ifwinds within the HSS are strong enough the greater than 2 mega electron volt electronflux will be suppressed below geostationary orbit. Electrons willrebound as winds ease and likely approach the 1000 pfu threshold. The greater than 10 mega electron volt proton flux is expected to remain at backgroundbarring any notable flares from Region 4036 which is in a favorableposition near the west limb.

In the last 24 hours Solar wind parameters reflected waning coronal mass ejection influences throughout theperiod. The total field has been on the declining trend from 16.8 nano tesla at 24 to 0113 utc not long after shock arrival to near 5 nano tesla at the time ofthis writing. The Bz component dropped to its lowest of to 9.8 nano tesla at thesame time and has been decreasing towards to 2 nano tesla. Solar wind speeds rosefrom around 350 kilometers per second to 425 kilometers per second in the middle of the period and havebeen on a gradual decline. The phi angle remained mostly in the negative with a few short, sporadic shifts into the positive. The large positive polarity CH is moving into the western hemisphere andwill see impacts throughout the forecast. The co-rotating interactingregion ahead of the HSS will arrive 25 march with the CH becominggeoeffective on 26 march. Wind speeds are expected to increase and the IMFwill become enhanced throughout this time.

In the last 24 hours The geomagnetic field has been active to unsettled. Periods of G1-G2 storms are likely on 25 Mardue to CIR effects followed by the onset of positive polarity coronal hole high speed streaminfluences. G1 storm periods are likely to continue on 26 Mardue to persistent influences.-Bri

This has been space weather, issued by XMDV radio at Tue the 25 Mar 2025 at 00:30:13

Space weather was created by William Greenwood with material from the N O double A