:Product: Solar Region Summary

:Issued: 2025 Mar 31 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 90 Issued at 0030Z on 31 Mar 2025
Report compiled from data received at SWO on 30 Mar

I.  Regions with Sunspots.  Locations Valid at 30/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4043 N14W12   356  0100 Eai  12   15 Beta-Gamma

4044 N21E08   336  0050 Dao  05   08 Beta

4045 S15E37   307  0020 Hrx  02   02 Alpha

4046 N05E43   301  0270 Dho  05   06 Beta-Gamma

4047 S16W37   021  0070 Dai  05   10 Beta

4048 S15E63   281  0300 Eki  12   10 Beta-Gamma

IA. H-alpha Plages without Spots.  Locations Valid at 30/2400Z Mar

Nmbr  Location  Lo

4038  S15W64   048

4039  N09W62   046

4040  S08W52   036

4041  N18W40   024

4042  S12W44   028

II. Regions Due to Return 31 Mar to 02 Apr

Nmbr Lat    Lo

4018 S20    250

4019 N06    240

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