Earth & Space Weather

Tornadoes Confirmed in At Least Six States

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Weather.com - 4/12/13Madisonville, Tenn.

Residents survey the damage near Madisonville, Tenn. on Friday, April 12, 2013 after a possible tornado. (AP Photo/J. Miles Cary, Knoxville News Sentinel)

Families from the Midwest to the Southeast will spend the weekend cleaning up after the first potent severe weather system of the season dropped tornadoes in at least six states.

The dangerous weather began Wednesday afternoon. The National Weather Service confirms at least two tornadoes hit north central Arkansas Wednesday. At least 30 homes and businesses were damaged in Van Buren county. Five people were hurt.

Video and more: Weather.com

~ Space Weather Update: Incoming Solar Flare~ 15% Chance of X Class

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INCREASING CHANCE OF FLARES: NOAA forecasters have raised the odds of an X-class solar flare today to 15%. The move was prompted by yesterday's almost-X flare (M6), which hurled a CME toward Earth. Earth-facing sunspot AR1719 would be the probable source of any eruptions. Solar flare alerts: text, voice.

STRONG SOLAR FLARE: The magnetic field of sunspot AR1719 erupted on April 11th at 0716 UT, producing an M6-class solar flare. NASA's Solar Dynamics Observatory recorded the explosion's extreme ultraviolet flash:

Shortly after the flare, a CME emerged from the blast site. NOAA forecasters estimate a 60% chance of geomagnetic storms on April 13th when the cloud reaches Earth. High-latitude sky watchers, be alert for auroras! Aurora alerts: text, voice.

Click to play a movie of the CME recorded by the Solar and Heliospheric Observatory:

Dazzling Northern Lights Anticipated Saturday Night

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Accuweather.com - 4/12/13, By Samantha-Rae Tuthill

A view of the northern lights in Elmira, N.Y., from 2011. Photo by David St. Louis

A solar flare that occurred around 2 a.m. Thursday morning may create a spectacular display of northern lights Saturday evening. The midlevel flare had a long duration and was directed at Earth. According to AccuWeather.com Astronomer Hunter Outten, who stated that this flare was "impressive", these are the best conditions for seeing a direct effect on our planet. On the Kp index scale, the flare has been categorized at 6 to 8.

The radiation from such a flare may cause radio wave disturbances to electronics such as cell phones, GPS and radios, causing services to occasionally cut in and out. While traveling slower than was originally anticipated, the flare effects are moving towards Earth at 1000 km per second.

More: Accuweather.com

Glorious rain for desperate Hughenden region

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weatherzone Amy Phillips, Friday April 12, 2013 - 09:35 EST

ABC image

A storm front moves across Elabe Station, Hughenden, towards Landsborough, in outback Queensland - ABC

 

Some steady soaking rain has fallen in the Flinders and Richmond shires over the past couple of days just as it was needed most.

Yesterday, Tiree south of Torrens Creek recorded 65 millimetres, Holmleigh south of Hughenden got 47 millimetres and Chatfield creek west of Richmond got 42 millimetres.

Overnight it looks like Hughenden has snagged 20 millimetres.

 

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Deadly Severe Weather Strikes Southeast

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Weather.com - 4/11/13

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The severe side of Winter Storm Walda continued to create problems across the South on Thursday, with a reported tornado causing damage, injuries and a reported death in Mississippi early in the afternoon.

Reports of damage and injuries came from the first tornado warning issued in the Southeast at around 12:00 noon local time on Thursday.

Video and more: Weather.com.

EF-2 Tornado Confirmed in Missouri

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Weather.com - 4/11/13

Botkinburg, Ark.

A flag flutters over what remains of the sanctuary of the Botkinburg Foursquare Church in Botkinburg, Ark., Thursday, April 11, 2013. (AP Photo/Danny Johnston)

The National Weather Service confirmed that an EF-2 tornado hit Hazelwood, Mo., outside St. Louis, Wednesday evening. The tornado damaged cars and homes, but no serious injuries were reported.

The same system stretched south, spawning tornado warnings in north central Arkansas. In Van Buren county, the storm damaged over 30 houses, destroyed a church, and heavily damaged a fire department. The weather is blamed for at least five injuries.

Video and more: Weather.com.

~ Space Weather Update~ MINOR RADIATION STORM~ STRONG SOLAR FLARE:

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MINOR RADIATION STORM: Energetic solar protons are flying past Earth today. The particles were accelerated in our direction by the M6-class flare of April 11th (see below). They can be seen hitting and speckling the detector of the SOHO spacecraft in this movie of the explosion (labeled image). NOAA ranks the ongoing radiation storm as S1, which is considered a minor event. Solar flare alerts: text, voice.

 

STRONG SOLAR FLARE: The magnetic field of sunspot AR1719 erupted on April 11th at 0716 UT, producing an M6-class solar flare. NASA's Solar Dynamics Observatory recorded the explosion's extreme ultraviolet flash:

 

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