NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, May 09, 2024 23:05:26

Main menu

NOAA Scales

minimize icon
Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
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 Summary

  • Solar Wind Speed: km/sec
  • Solar Wind Magnetic Fields: Bt nT, Bz nT
  • Noon 10.7cm Radio Flux: sfu

Slider

POSTPONED
MEDIA ADVISORY: NOAA Forecasts Severe Solar Storm; Media Availability Scheduled for Friday, May 10
Thursday, May 09, 2024 23:02 UTC

For Immediate Release [May 9, 2024]   

MEDIA ADVISORY

SWPC Issues Its First G4 Watch Since 2005
Thursday, May 09, 2024 20:38 UTC

On Thursday, May 9, 2024, the NOAA Space Weather Prediction Center issued a Severe (G4) Geomagnetic Storm Watch.

G4 Watch In Effect for May 11
Thursday, May 09, 2024 18:45 UTC

Multiple CMEs erupted associated with flare activity from Region 3664 on 07-09 May.

Network Outage Rescheduled for 13 May 2024
Tuesday, April 23, 2024 20:25 UTC

The required Space Weather Prediction Center (SWPC) major network upgrade has been rescheduled for Monday, 13 May, 2024.

Serving Essential Space Weather Communities

The Sun (EUV)

Solar Ultraviolet Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

GOES Proton Flux
Updated Time:
NOAA Scales Geomagnetic Storms
Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)