:Product: Solar Region Summary

:Issued: 2025 Mar 22 0030 UTC

# Prepared jointly by the U.S. Dept. of Commerce, NOAA,

# Space Weather Prediction Center and the U.S. Air Force.

#

Joint USAF/NOAA Solar Region Summary

SRS Number 81 Issued at 0030Z on 22 Mar 2025
Report compiled from data received at SWO on 21 Mar

I.  Regions with Sunspots.  Locations Valid at 21/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4021 S05W77   180  0120 Hsx  02   01 Alpha

4025 N09W77   178  0120 Hsx  02   01 Alpha

4026 S20W68   171  0030 Bxo  06   06 Beta

4028 S16W38   141  0080 Cai  07   10 Beta

4030 S18W25   128  0110 Hsx  02   01 Alpha

4031 N16W66   169  0120 Cao  07   05 Beta

4033 N19W19   122  0010 Axx  02   02 Alpha

4034 S12W09   112  0020 Cro  06   04 Beta

4035 N15E18   085  0080 Dao  08   06 Beta

4036 N06W24   127  0020 Dro  03   04 Beta

4037 N19W19   122  0010 Cro  03   02 Beta

4038 S15E60   043  0010 Axx  01   02 Alpha

4039 N09E70   033  0030 Cro  03   04 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 21/2400Z Mar

Nmbr  Location  Lo

4022  N05W91   195

4023  N25W72   176

4029  S15W50   153

4032  N28W48   151

II. Regions Due to Return 22 Mar to 24 Mar

Nmbr Lat    Lo

4015 N27    011

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