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 | |
| None | |||
| H-alpha Plages without Spots | |||
| Region | |||
| 2739 | |||
| Regions Due to Return 22 Apr to 24 Apr | |||
| Region | |||
| None | |||
<AUR>.Alert
<AUR>.Alert.Subscriberlast message issued over 12hrs ago
Space Weather Message Code: ALTTP2
Serial Number: 1073
Issue Time: 2019 Apr 22 0424 UTC
ALERT: Type II Radio Emission
Begin Time: 2019 Apr 22 0255 UTC
Estimated Velocity: 428 km/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
Forecast Discussion
Weekly Highlights and Forecasts
Solar Weather Overview
Latest Space Weather Storm
<AUR>.DX-Cluster Statistics
Knowledge Database
Source: http://www.noaa.gov
