:Product: Geophysical Alert Message wwv.txt
:Issued: 2019 Nov 13 0605 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Geophysical Alert Message
Solar-terrestrial indices for 12 November follow.
Solar flux 71 and estimated planetary A-index 4.
The estimated planetary K-index at 0600 UTC on 13 November was 0.

No space weather storms were observed for the past 24 hours.

No space weather storms are predicted for the next 24 hours.

NOAA Alerts

Space Weather Message Code: WARK04
Serial Number: 3691
Issue Time: 2019 Nov 11 0959 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019 Nov 11 1000 UTC
Valid To: 2019 Nov 11 2359 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at

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.

NOAA Observations


NOAA Scales Activity

NOAA Scales Activity
Range 1 (minor) to 5 (extreme)
NOAA Scale Past 24 hrs Current Fcst 24 hrs
Geomagnetic Storms
Solar Radiation Storms
Radio Blackouts

DX Cluster WWV announcements

1429N3US(not set)
1500VE7CCSFI=66, A=3, K=0, No Storms -> Minor w/G1
1200VE7CCSFI=66, A=3, K=0, No Storms -> Minor w/G1
0900VE7CCSFI=66, A=3, K=0, No Storms -> No Storms
0600AE5ESFI=66, A=3, K=0, No Storms -> No Storms
0300VE7CCSFI=66, A=3, K=1, No Storms -> No Storms
0000W0MUSFI=66, A=3, K=0, No Storms -> No Storms
2100AE5ESFI=66, A=4, K=1, No Storms -> No Storms

Propagation Links

3-Day Forecast of Space Weather Conditions
NOAA Geomagnetic Field Synthesis Program
Computes the estimated values of Earth's magnetic field, including magnetic declination (D), based on the current International Geomagnetic Reference Field (IGRF).
CT1BOH Propagation Page
N6RT Propagation Information
The Solar and Heliospheric Observatory
Current Solar Images
Ionosphere Data Archived at National Geophysical Data Center (NGDC)
High Frequency Active Auroral Research Program
HAARP is a scientific endeavor aimed at studying the properties and behavior of the ionosphere, with particular emphasis on being able to understand and use it to enhance communications.
AD5Q Propagation Forecast Archive
Eleven years of propagation reports from February 1988 to January 1999 focused on DX openings from North America.
Solar Terrestrial Physics
Data from Earth's upper atmosphere and space environment to the surface of the Sun, and Earth observations from space.
The Aurora Page
Information, links and images about the "Northern Lights".