:Product: Solar Region Summary

:Issued: 2026 Mar 21 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 80 Issued at 0030Z on 21 Mar 2026
Report compiled from data received at SWO on 20 Mar

I.  Regions with Sunspots.  Locations Valid at 20/2400Z 

Nmbr Location  Lo  Area  Z   LL   NN Mag Type

4392 S16W40   019  0130 Cso  05   05 Beta

4397 N18E42   297  0030 Cao  05   03 Beta

IA. H-alpha Plages without Spots.  Locations Valid at 20/2400Z Mar

Nmbr  Location  Lo

4389  N12W85   064

4391  N07W89   068

4393  N14W73   052

4394  S12W38   017

4395  S06W28   007

4396  N20W15   354

II. Regions Due to Return 21 Mar to 23 Mar

Nmbr Lat    Lo

4378 N16    226

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