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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: 2017 Apr 24 0031 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 6 (NOAA Scale
G2).
The greatest expected 3 hr Kp for Apr 24-Apr 26 2017 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Apr 24-Apr 26 2017

            Apr 24     Apr 25     Apr 26
00-03UT        5 (G1)     5 (G1)     5 (G1)
03-06UT        4          4          4     
06-09UT        4          4          4     
09-12UT        4          3          3     
12-15UT        4          3          3     
15-18UT        4          3          3     
18-21UT        4          3          3     
21-00UT        4          4          4     

Rationale: G1 (Minor) geomagnetic storms are expected on 24 Apr and
likely on 25-26 Apr due to the continued influence of a coronal hole
high speed stream.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-13 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Apr 24-Apr 26 2017

              Apr 24  Apr 25  Apr 26
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Apr 24-Apr 26 2017

              Apr 24        Apr 25        Apr 26
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.


NOTE: Clicking on any of the images below will take you to the source website for each image.


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

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 Pepper Ridge North Valley Random Weather Facts

HURRICANE FACTS
Hurricane Facts: 1961 was the last time two Category 5 hurricanes formed in the same year. 1960 was the last time two Category 5 hurricanes formed and eventually made U.S. land fall. 2005 has now matched that with Katrina and now Rita.

Get the Facts PHP


Page layout last updated on April 15th, 2015