Earth & Space Weather

Big Story Weather – February 18, 2013

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RedOrbit.com - 2/18/13, Joshua Kelly

The majority of the country enjoyed high pressure which lead to a freeze in the Gulf Coast and also into portions of Southern Florida this past weekend. The Mid-Atlantic region escaped a snow storm, however Boston MA did deal with some heavy snowfall this past weekend as a strong low pressure area moved just off the coast.

Weather Outlook for February 18: Low pressure moving through the Central Plains will push towards the Great Lakes over the next 24 hours which will bring lots of rain and thunderstorms, while on the Northern side there will be some snowfall. The East Coast will enjoy a nice day today with high pressure over the region. The West will also enjoy nice weather with high pressure over the Rockies, however the Northwest will see some showers with the next frontal system off the coast. Below is the weather for a few select cities.

To read the rest of this story, visit RedOrbit.com.

Winter Storm Plato Blankets South, Northeast

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Weather.com - 2/18/13, Weather.com and AP

Boiling Springs, N.C.

iWitness contributor Bernardbbt sent this picture of a horse running through heavy snow in Hillsborough, N.C.
 

"Plato was another very powerful East Coast cyclone. In fact, at one point the central pressure dropped to 954 millibars, far lower than Nemo, and even lower than Hurricane Isaac last year," says weather.com meteorologist Nick Wiltgen. "However, Plato's track was farther east than Nemo and that limited blizzard conditions to coastal areas of eastern New England. And dry air meant a sharp drop-off in snow amounts on the western edge of the storm."

To read the rest of this story, visit Weather.com.

Indonesia sees at least 15 dead in floods and landslides

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BBC News - 2/18/13

Rescuers search for the victims of a landslide in Manado, North Sulawesi, Indonesia, 17 February 2013 |
Search-and-rescue teams are in the areas affected by the landslide
 

Flooding and landslides in the Indonesian province of North Sulawesi have left at least 15 people dead, officials say.

On Sunday thousands of people fled their homes in the provincial capital Manado and surrounding areas to escape the floods.

To read the rest of this story, visit BBC News.

Sunspot 1675 generated impulsive M1.9 solar flare

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Source: The Watchers - 2/18/13, By Nix

An impulsive solar flare measuring M1.9 erupted from Region 1675 on February 17, 2013. The event started at 15:45, peaked at 15:50 UTC and ended at 15:52 UTC. A 10cm Radio Burst was recorded from 15:47 – 15:51 UTC. Space Weather Message Code: SUM10R Serial Number: 572 Issue Time: 2013 Feb 17 1601 UTC SUMMARY: 10cm Radio Burst Begin Time: 2013 Feb 17 1547 UTC Maximum Time: 2013 Feb 17 1547 UTC End Time: 2013 Feb 17 1551 UTC Duration: 4 minutes Peak Flux: 340 sfu Latest Penticton Noon Flux: 103 sfu Description: A 10cm radio burst indicates that the...

  •  An impulsive solar flare measuring M1.9 erupted from Region 1675 on February 17, 2013. The event started at 15:45, peaked at 15:50 UTC and ended at 15:52 UTC. A 10cm Radio Burst was recorded from 15:47 – 15:51 UTC.

Space Weather Message Code: SUM10R
Serial Number: 572
Issue Time: 2013 Feb 17 1601 UTC

~ Space Weather Update~ Good Bye Asteriod~ Hello M.1 Class Solar Flare

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M-CLASS SOLAR FLARE: New sunspot AR1675 has just unleashed the most intense flare of the year so far, an M1.9-class explosion at 1550 UT on Feb. 17th. Stay tuned for details. Solar flare alerts: text, voice.

 

RUSSIAN METEOR STRIKE: On Friday, February 15th at 9:30 am local time in Russia, a small asteroid struck the atmosphere over the city of Chelyabinsk and exploded. According to reports from news organizations and Russian authorities, as many as 1000 people received minor injuries from the shock wave. This is the most energetic recorded meteor strike since the Tunguska impact of 1908.

Researchers have conducted a preliminary analysis of the event. "Here is what we know so far," says Bill Cooke, head of NASA's Meteoroid Environment Office. "The asteroid was about 15 meters in diameter and weighed approximately 7000 metric tons. It struck Earth's atmosphere at 40,000 mph (18 km/s) and broke apart about 12 to 15 miles (20 to 25 km) above Earth's surface. The energy of the resulting explosion was in the vicinity of 300 kilotons of TNT." (continued below)

 

Hailstorm damages crops, state witnesses unusual weather

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The Times of India - 2/17/13, TNN

JAIPUR: The state witnessed cold conditions as people were forced to stay indoors in Jaipur and several other parts of the state following scattered rain, hailstorm and chilly winds. The day temperature dropped by six degrees in Jaipur with the maximum temperature being recorded at 19 degrees Celsius. The Met department officials said it was one of the coldest day temperature recorded in this season. People returned home even before office hours due to chilly winds.
 

 


Hailstorm threw life out of gear in some areas of Jagatpura and Durgapura in the city. Huge damage to crops was reported in Alwar, Pratapgarh, Nagaur and Chittorgarh districts due to hailstorm. Shekhawati region including Sikar, Churu and Jhunjhunu districts witnessed consistent rain on Saturday.

 

Unsettled geomagnetic conditions as Earth passes through solar wind stream

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Source: The Watchers - 2/16/13, By Chillymanjaro

A weak interplanetary shock was registered by ACE spacecraft at 10:58 UTC on February 16, 2013. This event is not expected to bring widespread geomagnetic disturbances, however, it sparked aurora displays at very high latitudes. The Kp index is currently at 4, very close to minor geomagnetic storm level. Geomagnetic Sudden Impulse was observed at 12:10 UTC on February 16, 2013 with 10 nT Bz fluctuation.   ALERT: Geomagnetic K-index of 4 Threshold Reached: 2013 Feb 16 1730 UTC Synoptic Period: 1500-1800 UTC Active Warning: Yes Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents –...

A weak interplanetary shock was registered by ACE spacecraft at 10:58 UTC on February 16, 2013. This event is not expected to bring widespread geomagnetic disturbances, however, it sparked aurora displays at very high latitudes.

The Kp index is currently at 4, very close to minor geomagnetic storm level. Geomagnetic Sudden Impulse was observed at 12:10 UTC on February 16, 2013 with 10 nT Bz fluctuation.

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