One of two general types of solar flares. Impulsive flares accelerate mostly electrons, with some protons. They last for minutes or hours, and most occur near the solar equator. They happen at a rate of about 1000 per year during solar maximum.
<AUR>.Sunspots
| Regions with Sunspots | |||
| Region | # of Spots | Mag Type | |
| 2822 | 09 | Beta-Delta | |
| 2823 | 02 | Beta | |
| H-alpha Plages without Spots | |||
| Region | |||
| None | |||
| Regions Due to Return 12 May to 14 May | |||
| Region | |||
| 2821 | |||
<AUR>.Alert
<AUR>.Alert.Subscriberlast message issued less than 1hr ago
2021-05-12 17:59:01.650 (K04W)
Space Weather Message Code: WARK04
Serial Number: 3898
Issue Time: 2021 May 12 1759 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3897
Valid From: 2021 May 12 0600 UTC
Now Valid Until: 2021 May 13 0600 UTC
Warning Condition: Persistence
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Forecast Discussion
Weekly Highlights and Forecasts
Solar Weather Overview
Latest Space Weather Storm
<AUR>.DX-Cluster Statistics
Knowledge Database
Source: http://www.noaa.gov
