NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 04, 2025 05:05:06 UTC

Main menu

NOAA Scales mini

R1 (Minor) Radio Blackout Impacts
close
HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

Space Weather Enthusiasts Dashboard

Space Weather Overview

The latest space weather overview plot

Solar

GOES Solar Ultraviolet Imager

Solar Ultraviolet Image

Solar Visible Light

The latest Solar Visible Light image

Visible Light images from GONG can be viewed on the Testbed website.

LASCO C3

The latest LASCO C3 image

Solar Wind

ACE Mag and SWEPAM

The latest magnetic field and Solar Wind Electron Proton Alpha Monitor (SWEPAM) plot

WSA-Enlil Prediction

The latest WSA-Enlil solar wind prediction plot and animation

Geospace

Aurora Forecast

The latest Ovation aurora prediction plot and animation

3-Day Satellite Environment

Created with Highcharts 8.0.4GOES Proton FluxApr 212:00Apr 312:00Apr 412:00Apr 5
10-2100102104
Created with Highcharts 8.0.4GOES Electron FluxApr 212:00Apr 312:00Apr 412:00Apr 5
10-2100102104106108
Created with Highcharts 8.0.4GOES MagnetometersApr 212:00Apr 312:00Apr 412:00Apr 50200
Created with Highcharts 8.0.4Universal TimeEstimated KpApr 2Apr 3Apr 412:0012:0012:00Apr 5010Space Weather Prediction Center
Updated Time: 2025-04-04T05:03:00.000Z

Ionosphere

US Total Electron Content

The latest U.S. total electron content plot and animation

D Region Absorption Prediction

The latest D Region global absorption prediction at 1 dB plot and animation

Solar Cycle

Sunspot Number Progression