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UK Extremes

Last  24 hours

High Temp
27.3 °C
Hurn

Low Temp
2.9 °C
Braemar

Precipitation
16.4 mm
North Wyke

Sunniest
15.7 hours
Stornoway

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Rain From: 27-05-2018 00:00 Until: 28-05-2018 06:00 warning for: Rain Level: Yellow info button
Thunderstorms will continue to develop over the southern half of the UK throughout Sunday with some of these persisting into Monday morning. Whilst many areas will see small amounts of rain a few locations may see some very large totals with 30 mm possible within an hour and perhaps up to 80 mm in 3 hours. Along with this hail and thunder are likely as well as some locally strong gusts. Perhaps the most likely time and location for seeing these severe thunderstorms is over parts of Wales and extending southeastwards into southern parts of the Midlands during Sunday afternoon. 

Current Space Weather




SDO-NASA and the [AIA, EVE, and/or HMI] consortium.   Primer on Space Weather

Current Sunspot Activity
Current Sun
NASA/SOHO


Sunspots last 30 days
  • Sunspots are solar magnetic storms. The spots appear darker because the temperature of the spots are lower than the surrounding photosphere.
  • They serve as a reservoir for solar flares and coronal mass ejections, which cause Aurorae, power/communication outages, and satellite anomalies.
  • The Sun's activity waxes and wanes in an 11-year sunspot cycle; Solar Minimum is when the number of sunspots are lowest.
  • There seems to be a correlation between Solar Min/Maximum and Earth's weather. The extent to which Ozone, stratospheric winds, global circulation patterns, and cloud seeding are all affected are still being studied.

Sunspot graph courtesy: Newquay Weather

Current Sunspots
Solar Storms

Solar Radiation Solar Radiation Storms: The Proton Flux shows the last 3 days of data for the most dangerous part of a Solar Storm; Solar Radiation.

Note the left side Particles value of 101 through 105 MeV for the red band, and the duration of the storm. Match with the
Solar Radiation Storm column in the scale.
Solar Storm Index Radio Blackouts: This plot shows the last 3 days of Solar X-ray values for the part of Solar Storms causing radio blackouts.

Note the left side (W/m2) of 10-5 through 10-2 and note the right side M or X. Match with Radio Blackouts column in the
scale.  Affected Freqs

eg. An Xray Flux of 10-3 in the X20 range (very top plot w/out a value in the right side) is indicative of an EXTREME (R5) event-radio blackout on the entire sunlit side of Earth lasting for a number of hours.

Geomagnetic Storm Index Geomagnetic Storms This plot shows Geomagnetic Storm strength. Note the left side Kp value of 5 through 9 (<5 not an event) and duration. Match with the Geomagnetic Storm column in the scale.

eg. A Kp 7 event is a STRONG (G3) event-HF radio may be intermittent, and aurora have been seen as low as Illinois and Oregon.
Direction, Angle, and Magnitude of the Solar Wind can be determined using the dials below.


Interplanetary Magnetic Field

Current Magnetosphere
This plot shows actual Solar Wind pressure on Earth's Magnetosphere.
IMF Dials courtesy: Rice Space Institute



This plot shows the current extent and position of the auroral oval in the northern hemisphere, during the most recent NOAA POES satellite pass.

The red arrow in the plot, that looks like a clock hand, points toward the noon meridian.

The power fluxes are color coded on a scale from 0 to 10 ergs .cm-2.sec-1 according to the color bar on the right. The pattern has been oriented with respect to the underlying geographic map using the current UTC time, updated every ten minutes.



Radio Propogation


Radio Map
IPS Space Weather


Solar Activity Monitor

The monitor in the page heading provides a textual status of X-ray activity and refers to the X-Ray Flux graph at the top of the page.
NORMAL Solar X-ray flux is quiet (<1.00e-6 W/m^2).
ACTIVE Solar X-ray flux is active (>= 1.00e-6 W/m^2).
M CLASS FLARE An M Class Solar Flare has occurred (>= 1.00e-5 W/m^2).
X CLASS FLARE An X Class Solar Flare has occurred (>= 1.00e-4 W/m^2).
MEGA FLARE An unprecedented X-ray event has occurred (>= 1.00e-3 W/m^2).