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Welcome to Pepperridge North Valley's
Space Weather and Solar Activity Page


Space Weather Observations, Alerts, and Forecast


3-day Solar-Geophysical Forecast

Click Here to show or hide the 3-day Solar-Geophysical Forecast

Product: 3-Day Forecast - Issued: 2024 Nov 11 1230 UTC
Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center.

Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 5 (NOAA Scale G1). The greatest expected 3 hr Kp for Nov 11-Nov 13 2024 is 4.00 (below NOAA Scale levels).

NOAA Kp index breakdown Nov 11-Nov 13 2024
Nov 11Nov 12Nov 13
00-03UT2.333.002.67
03-06UT2.002.674.00
06-09UT3.672.674.00
09-12UT2.672.673.00
12-15UT1.001.672.67
15-18UT1.001.672.00
18-21UT2.671.672.00
21-00UT3.672.672.67

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.

Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Nov 11-Nov 13 2024
Nov 11Nov 12Nov 13
S1 or greater15%15%15%

Rationale: There is a slight chance for S1 (Minor) solar radiation storms over 11-13 Nov.

Radio Blackout Activity and Forecast

Radio blackouts reaching the R1 levels were observed over the past 24 hours. The largest was at Nov 10 2024 2021 UTC.

Radio Blackout Forecast for Nov 11-Nov 13 2024
Nov 11Nov 12Nov 13
R1-R270%70%70%
R3 or greater30%30%30%

Rationale: R1-R2 (Minor-Moderate) radio blackouts are likely, with a chance for R3 (Strong), over 11-13 Nov.


Real Time Images of the Sun


SOHO EIT 304
Click for time-lapse image of the sun
SOHO EIT 284
SOHO EIT 284 image of the sun
Mauna Loa Solar Image
Latest Mauna Loa image of the Sun

The sun is constantly monitored for sun spots and coronal mass ejections. EIT (Extreme ultraviolet Imaging Telescope) images the solar atmosphere at several wavelengths, and therefore, shows solar material at different temperatures. In the images taken at 304 Angstrom the bright material is at 60,000 to 80,000 degrees Kelvin. In those taken at 171 Angstrom, at 1 million degrees. 195 Angstrom images correspond to about 1.5 million Kelvin, 284 Angstrom to 2 million degrees. The hotter the temperature, the higher you look in the solar atmosphere.

Real Time Solar X-ray and Solar Wind


Latest LASCO Solar Corona
Images of the solar corona
Large Angle and Spectrometric Coronagraph (LASCO).
Real-Time Solar Wind
Graph showing Real-Time Solar Wind
Real-Time Solar Wind data broadcast from NASA's ACE satellite.

Solar X-ray Flux
Graph showing Real-Time Solar X-ray Flux
This plot shows 3-days of 5-minute solar x-ray flux values measured on the SWPC primary and secondary GOES satellites.
Satellite Environment Plot
Graph showing Real-Time Satellite Environment Plot
The Satellite Environment Plot combines satellite and ground-based data to provide an overview of the current geosynchronous satellite environment.

Solar Cycle


Sun Spot Number Progression
Graph showing Sun Spot Number Progression
This plot shows the Solar Cycle Sun Spot Number Progression.
F10.7cm Radio Flux Progression
Graph showing F10.7cm Radio Flux Progression
This plot shows the F10.7cm Radio Flux Progression.

Ap Progression
Graph showing Ap Progression
This plot shows the Solar Cycle Ap Progression.

The Solar Cycle is observed by counting the frequency and placement of sunspots visible on the Sun. Solar minimum occurred in December, 2008.
Solar maximum was expected to occur in May, 2013.


Auroral Activity Extrapolated from NOAA POES


Northern Hemi Auroral Map
Current Northern hemispheric power input map
Southern Hemi Auroral Map
Current Southern hemispheric power input map

Instruments on board the NOAA Polar-orbiting Operational Environmental Satellite (POES) continually monitor the power flux carried by the protons and electrons that produce aurora in the atmosphere. SWPC has developed a technique that uses the power flux observations obtained during a single pass of the satellite over a polar region (which takes about 25 minutes) to estimate the total power deposited in an entire polar region by these auroral particles. The power input estimate is converted to an auroral activity index that ranges from 1 to 10.


VHF and HF Band Conditions





Credits:

Space Weather Images and Information (excluded from copyright) courtesy of:
NOAA / NWS Space Weather Prediction Center
Mauna Loa Solar Observatory (HAO/NCAR)
SOHO (ESA & NASA).

Space Weather links:
3-Day Forecast of Solar and Geophysical Activity
Space Weather Overview
LASCO Coronagraph
Real-Time Solar Wind
Space Weather Advisory Outlooks
Space Weather Forecast Disussions
Space Weather Alerts, Watches and Warnings
Solar and Heliospheric Observatory (SOHO)
The Very Latest SOHO Images

Powered by Space Weather PHP script by Mike Challis
additions by Martin of Hebrides Weather and Ken True of Saratoga Weather
with 3-day Solar-Geophysical Forecast text formatting by Jeremy Dyde of Jerbils Weather



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World Weather Websites

 Pepper Ridge North Valley Random Weather Facts

MONSOON
The word "monsoon" comes from the Arabic "mausim" which means "a season" A common misuse of the term "monsoon" is to refer to INDIVIDUAL thunderstorms as "monsoons" (example - "The North Valley was pounded by monsoons this evening!"). The correct statement would be "The east valley was pounded by strong thunderstorms this evening!"

A MONSOON is a Seasonal wind shift that often brings a dramatic increase in moisture, and associated shower and thunderstorm activity, to the affected region. As the monsoon ends, and the winds shift again, the reverse occurs, with much drier air moving into the area.

Get the Facts PHP


Page layout last updated on April 15th, 2015