Lake Michigan and Lake Huron hit all-time low water levels

By: Dr. Jeff Masters , 1:00 PM GMT on February 06, 2013

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During January 2013, water levels on Lake Michigan and Lake Huron fell to their all-time lowest values since record keeping began in 1918, said the U.S. Army Corps of Engineers on Tuesday. The two lakes (which are connected and are hydrologically the same lake) fell to a water level of 576.02'. This is 0.4" below the previous record low of 576.05' set in March 1964. The lakes have dropped 17 inches since January 2012, and are now 29 inches below their long-term average. Lake Superior is about 9" above its all-time low water level, and Lakes Erie and Ontario are just 6" below average (26 - 27" above their all-time lows), so these lakes will not set new low water records in 2013. The latest forecast calls for Lake Superior to drop 2 inches during February, Lake Michigan and Huron to drop 1 inch, Lake Erie to rise 2 inches, and Lake Ontario remain near its current level.


Figure 1. Low water levels at Old Mission Point Lighthouse at Grand Traverse Bay, Lake Michigan, during July 2000. Image credit: NOAA/GLERL.


Why the record lows?
The record-low water levels on Lake Michigan and Lake Huron are due, in part, to dredging operations in their outflow channel, the St. Clair River. The dredging, which stopped in the 1960s, is blamed for a long-term 10 - 16" decrease in water levels. The record low water levels on Lake Michigan and Lake Huron in January occurred despite the fact that precipitation over their watershed was 61% above average during the month. However, precipitation over the past 12 months was only 91% of average, and runoff into the lakes depends upon precipitation over longer than a 1-month period. Furthermore, evaporation over these lakes was much higher than average during January, making the net water supplied to the lakes (runoff into the lakes, plus precipitation over the lakes, minus evaporation from the lakes) only 63% of average. What caused the increased evaporation? Well, very warm water temperatures, for one. According to NOAA's Great Lakes Environmental Research Laboratory (GLERL), water temperatures over Lake Michigan are currently about 2.5°F above average, and are about 1°F above average over Lake Huron. These warm water temperatures are the lingering effects of the extraordinary warmth of 2012, which was the warmest year on record over much of the Great Lakes region. Also increasing the evaporation from the lakes during January was the presence of less ice cover than average, which exposed more open water to the air.


Figure 2. The water level on Lake Huron and Lake Michigan measured during 2012 - 2013 (red line) hit an all-time low during January 2013, beating the previous record set in March 1964. The predicted water levels for February - March call for record lows both months. Image credit: Army Corps of Engineers.

Ice cover declining, water temperatures warming, and precipitation increasing in recent decades
The long-term future of Great Lakes water levels is cloudy, since climate change is expected to bring competing effects. A 2011 paper by scientists at NOAA Great Lakes Environemental Research Laboratory found that lake levels could rise or fall, depending upon the climate change scenario used. On the one hand, precipitation has increased by 12% over Michigan during the past century, and is expected to increase even more in the coming decades. This would tend to increase lake levels. However, lake water temperatures are predicted to increase and ice cover decrease, which would heighten evaporation rates. This would tend to lower lake levels. Ice cover on North America's Great Lakes--Superior, Michigan, Huron, Ontario, and Erie--has declined 71% since 1973, according to a 2012 study published in the Journal of Climate by researchers at NOAA's Great Lakes Environmental Research Laboratory. The loss of ice is due to warming of the lake waters, which could be due to a combination of global warming and natural cycles, the researchers said. Winter air temperatures over the lower Great Lakes increased by about 2.7°F (1.5°C) from 1973 - 2010, and by 4 - 5°F (2.3 - 2.7°C) over the northern Lakes, including Lake Superior. Lake Superior's summer surface water temperature warmed 4.5°F (2.5°C) over the period 1979 - 2006 (Austin and Colman 2007). During the same period, Lake Michigan warmed by about 3.3°F (1.7°C), Lake Huron by 4.3°F (2.4°C), and Lake Erie (which is shallow and loses and gains heat relatively quickly) showed almost no warming. The Army Corps of Engineers is also considering adding speed bumps to the bottom of the St. Clair River to slow down drainage of Lake Huron, which would act to increase water levels in Lake Huron and Lake Michigan.


Figure 3. Average yearly precipitation over the state of Michigan increased by about 12% per century since 1895, according to NOAA's National Climatic Data Center.

References
Austin, J. A., and S. Colman, 2007, "Lake Superior summer water temperatures are increasing more rapidly than regional air temperatures: A positive ice-albedo feedback," Geophys. Res. Lett., 34, L06604, doi:10.1029/2006GL029021.

Wang, J., X. Bai, H. Hu, A.H. Clites, M.C. Colton, and B.M. Lofgren, 2012, "Temporal and spatial variability of Great Lakes ice cover, 1973-2010," Journal of Climate 25(4):1318-1329 (DOI:10.1175/2011JCLI4066.1)

Jeff Masters

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43 who pissed in your cornflakes this morning
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Thanks Doc.
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Something on the lighter side.

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Heaviest Snowfall in a Century Hits Moscow

Link
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Quoting pcola57:
Astronomy Picture of the Day



The Arms of M106
Credit: Image Data - Hubble Legacy Archive, Robert Gendler, Jay GaBany, Processing - Robert Gendler

Explanation: The spiral arms of bright galaxy M106 sprawl through this remarkable multiframe portrait, composed of data from ground- and space-based telescopes. Also known as NGC 4258, M106 can be found toward the northern constellation Canes Venatici. The well-measured distance to M106 is 23.5 million light-years, making this cosmic scene about 80,000 light-years across. Typical in grand spiral galaxies, dark dust lanes, youthful blue star clusters, and pinkish star forming regions trace spiral arms that converge on the bright nucleus of older yellowish stars. But this detailed composite reveals hints of two anomalous arms that don't align with the more familiar tracers. Seen here in red hues, sweeping filaments of glowing hydrogen gas seem to rise from the central region of M106, evidence of energetic jets of material blasting into the galaxy's disk. The jets are likely powered by matter falling into a massive central black hole.


Thanks, Love those pics!

Check these out:

Caught on camera: Huge weird UNDERWATER wave spanning hundreds of miles spotted from the International Space Station


Link
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Ryan Maue ‏@RyanMaue
ECMWF 00z snowfall totals exceeded 25'' in New England locales -- GFS 12z results coming in now.



Jim Cantore ‏@JimCantore
Even though all eyes are on #Boston we could see significant accumulation and impacts for #NYC. Avoid the New England thruway Friday night!
Member Since: September 30, 2007 Posts: 9 Comments: 15979
Quoting FtMyersgal:


I stand corrected. I guess you can't believe everything on the internet


Uh, Bonjour?


Edit: I should wait until I read the early risers comments LOL!
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Good morning everyone. We're looking forward to the rain here in Texas. Has anyone heard from bohonk lately? We are marginally okay as far a precipitation this month but when the local forecaster said we were likely to get "good soaking rains" out of this system, it was like music to my ears. (I'd like to skip the severe stuff though).

In other news, it's new baby time here on the farm. I happened to be there at the right time and watched this little guy make his entry into the world:






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Cars, outbuildings destroyed by Tas bushfire

Video

Authorities have issued a watch and act alert as a bushfire bears down on properties in Tasmania's Derwent Valley, north-west of Hobart.

The Tasmanian Fire Service downgraded the fire's status from an emergency warning last night, but it says homeowners need to brace for worsening conditions today.

The fire, which broke out yesterday on Glen Dhu Road shortly before 2:00pm (AEDT), crossed more than 300 hectares of dense, hilly bushland and threatened homes.

TFS District Officer Mark Klop said cooler conditions helped firefighters in their efforts to bring the blaze under control last night.

"We are expecting warmer conditions [today], and some quite strong north-westerly winds in the afternoon," he said.

"We're trying to get [the fire] contained before the change comes through in the afternoon ... we're hoping to strengthen those containment lines by lunchtime."

A total fire ban is in place for Tasmania's northern and southern districts.

Earlier, fire service spokesman Phil Douglas said the fire front had reached the outskirts of communities and had already destroyed some cars and outbuildings.

"We are doing direct fire suppression around those properties," he said.

Spokesman Andrew McGuinness says homeowners need to brace for worsening conditions.

"Certainly, the conditions up there at the moment are bad for fire-fighting, and they are in property protection mode at the moment, but we are expecting those conditions to abate and allow fire-fighters to do some work up there to contain this fire," he said.

The Tasmanian Fire Service says some residents were evacuated, but only as a precaution because Glen Dhu Road is a dead-end.

Parts of Glen Dhu, Tanglewood and Collins Cap roads are cut off and the Molesworth and Collinsvale Primary schools will be closed today.

A refuge was set up at the Molesworth Community Hall yesterday.

Tracey Walker lives in Glen Dhu road and says the fire was about 200 metres away when she got home from work.

"Smoke had come through quite quickly, the wind had actually changed direction also, which then started to blow smoke up towards our house," she said.

"So all the embers and stuff were flying into the house as well, which was quite frightening."

She says she just had enough time to grab a change of clothes and her pets, which include show dogs.

"I actually have 12 dogs at home and six baby puppies so my number one priority was to get home and get them safely out. Now I'm actually with my mum, which is probably five kilometres down the road," she said.

Molesworth resident Adrian Dalton has stayed to defend his home.

"It's all coming straight through here, we've managed to stop it at the road here before it jumps the fence, but I've just noticed it's got back up into the thick virgin forest up the back there so hopefully the firies can get up in amongst the fire trails and put it out before it goes down the gully," he said.

© 2013 ABC
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What does it take to put a camera into near-space? NBC Charlotte decided to find out. We show you what 2 +GoPro 's saw when we launched them on a weather balloon.

Member Since: September 30, 2007 Posts: 9 Comments: 15979
Quoting Tazmanian:
no thnaks to dr m he did not even talk about the Solomon Islands 8.0 that hit last night that is big news this low water crap can wait now when he dos get a round two talking about the Solomon Islands 8.0 it will be about one too two days old new wish we all ready no about by then

think be for you make a new blog dr m


Don't forget Taz, Dr Masters is mainly CONUS centric. I actually found what Dr Masters said in this blog interesting. I wonder how much run-off will come into the lakes from Canada. Also I am sure the snow deficit around Chicago will have an affect on Lake Michigan.
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At least six dead after South Pacific quake

Video


Photo: The warning caused chaos across the Solomons, with people trying to move to higher ground.

Police in the Solomon Islands say at least six people have been killed in a major earthquake that struck on Wednesday.

The 8.0-magnitude quake caused major damage to three villages in the Santa Cruz islands and triggered a small tsunami that sparked warnings across the South Pacific.

Emergency relief teams are beginning to arrive in remote communities on Santa Cruz islands that were hardest hit.

At least three villages have been flattened by a one metre wave that surged inland.

The humanitarian group World Vision says at least 100 homes have been destroyed.

Solomon Islands police spokesman Godfrey Abia says it is still unclear how many people may have been affected.

"Some of the villages close to the coastal area have been totally wiped out by the waves and it travelled further inland, some 500 metres," he said.

"Those communities and those places are very remote. We cannot really confirm how many people live in any of those villages."

The quake struck near the Santa Cruz islands, about 300 kilometres east of the Solomons, the Hawaii-based Pacific Tsunami Warning Centre said.

A 90-centimetre tsunami hit Lata in remote Temotu province, said the centre, which later cancelled warnings for other South Pacific islands, as well as for Australia and New Zealand.

An 11-centimetre wave hit Vanuatu, while a tsunami of around 50 centimetres reportedly hit New Caledonia. A small wave also hit Japan and Papua New Guinea. The Manus Island detention centre was evacuated as a precaution.

The US Geological Survey recorded more than 20 quakes near the Santa Cruz Islands, some registering 6.6 and 6.4.

Solomon Islands police commissioner John Lansley said the area around Lata was one of the hardest hit.

"We understand a part of the airstrip has been damaged, which is going to cause some issues in respect to getting relief aid out there, but that is being assessed at this moment," he said.

Earlier, the director of nursing at Lata Hospital Augustine Pilve confirmed that a boy aged about 10 years and four elderly people have died.

Mr Pilve says the hospital is treating others with injuries and more casualties are expected.

He says he believes hundreds of people around Lata may have been affected by the tsunami.

"According to the information I have there are three villages close to Lata," he said.

"But it's more likely that other villages along the coast of Santa Cruz may be affected.

"In one of the villages, I think it's about 600 or 700 people living in that one village."

Luke Taula, a fisheries officer in Lata, said the tsunami arrived in small tidal surges rather than as one large wave.

"We have small waves come in, then go out again, then come back in. The waves reached the airport terminal," he said.

The worst damage would be to villages on the western side of a point that protects the main township, he added.

About 5,000 people live in and around the town, but the area was deserted as people fled to higher ground, Mr Taula said.

Chaos

The warning caused chaos across the Solomons, with people trying to move to higher ground.

There were major traffic jams in the capital Honiara, while boats and ships moved to open water to avoid any potential waves.

Authorities in the Solomons, Fiji, Guam and elsewhere had urged residents to higher ground before the Pacific Tsunami Warning Centre cancelled its alerts.

"The earthquake would have to be quite a bit bigger to make a much more sizeable tsunami," said Brian Shiro, geophysicist for the centre.

"The good news for the folks in the region is that the tsunami appears to be constrained to the areas we've listed in our bulletins and it's not going to be a an oceanwide threat."

In 2007 a tsunami following an 8.0 quake killed at least 52 people in the Solomons and left thousands homeless.

The quake was so powerful that it lifted an island and pushed out its shoreline by dozens of metres.

The Solomons are part of the so-called ring of fire, a zone of tectonic activity around the Pacific Ocean that is subject to earthquakes and volcanic eruptions.

ABC/wires
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no thnaks to dr m he did not even talk about the Solomon Islands 8.0 that hit last night that is big news this low water crap can wait now when he dos get a round two talking about the Solomon Islands 8.0 it will be about one too two days old new wish we all ready no about by then

think be for you make a new blog dr m
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Thanks Dr. Masters!
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Jim Cantore ‏@JimCantore
Looks like a busy weekend. Friday/Saturday significant northeast snowstorm and Sunday #severe outbreak in the ArkLATex
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Quoting Grothar:


Thanks for the different image series you post, p! Most are interesting shots makes us think of our universe.


Thanks for the thumbs-up Gro..
Believe me,I enjoy them as much as ya'll do.. :)
Member Since: August 13, 2009 Posts: 13 Comments: 6916
Quoting pcola57:
Earth Science Image of the Day



Photographer: Timothy Wenzel;
Summary Author: Timothy Wenzel

Snowball fight anyone? This photo, taken on January 24, 2013, illustrates how ice on Lake Michigan's eastern shore can achieve heights of many feet; by accretion of floating snowball-size ice balls thrown upward by wave action. The maximum wave height (crest to trough) on Lake Michigan on this day was approximately 6 ft (2 m). What results is a landscape that looks almost volcanic. Note that the lake itself is a slurry of ice and water.


Thanks for the different image series you post, p! Most are interesting shots makes us think of our universe.
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Special weather statement for:
=new= City of Toronto
=new= Windsor - Essex - Chatham-Kent
=new= Sarnia - Lambton
=new= Elgin
=new= London - Middlesex
=new= Simcoe - Delhi - Norfolk
=new= Dunnville - Caledonia - Haldimand
=new= Oxford - Brant
=new= Niagara
=new= City of Hamilton
=new= Halton - Peel
=new= York - Durham
=new= Goderich - Bluewater - Southern Huron County
=new= Wingham - Blyth - Northern Huron County
=new= Innisfil - New Tecumseth - Angus
=new= Grey - Bruce
=new= Barrie - Orillia - Midland
=new= Belleville - Quinte - Northumberland
=new= Kingston - Prince Edward
=new= Peterborough - Kawartha Lakes
=new= Stirling - Tweed - South Frontenac
=new= Bancroft - Bon Echo Park
=new= Brockville - Leeds and Grenville
=new= City of Ottawa
=new= Gatineau
=new= Prescott and Russell
=new= Cornwall - Morrisburg
=new= Smiths Falls - Lanark - Sharbot Lake
=new= Parry Sound - Muskoka
=new= Haliburton
=new= Renfrew - Pembroke - Barry's Bay
=new= Algonquin
=new= Burk's Falls - Bayfield Inlet
Stratford - Mitchell - Southern Perth County
Listowel - Milverton - Northern Perth County
Waterloo - Wellington
Orangeville - Grand Valley - Southern Dufferin County
Shelburne - Mansfield - Northern Dufferin County.

Significant snowfall Thursday into Friday.

------------------------------------------------- --------------------
==discussion==
An Alberta clipper will combine with a Texas low to bring a
significant snowfall to most of Southern Ontario. Light snow will
begin from west to east Thursday with heavier snow Thursday night
into Friday.

Current indications are that the highest snow amounts will occur
north of a line from grand band to Hamilton to Kingston.
General snow amounts of 10 to 15 cm are possible with this event.

Lower snow amounts are expected to the south of this line with 5 to
10 cm possible. There is also a risk of freezing over the Windsor
region Thursday evening.

There is still some uncertainty as to the exact track of the low,
which will affect the timing and snow amounts for each region.
Environment Canada is monitoring this system closely and will issue
further statements as necessary.

The public is advised to monitor future forecasts and warnings as
warnings may be required or extended.

End
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lotta quakes in area wundering if its a underwater volcano thats active out there
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Earth Science Image of the Day



Photographer: Timothy Wenzel;
Timothy Wenzel's website
Summary Author: Timothy Wenzel

Snowball fight anyone? This photo, taken on January 24, 2013, illustrates how ice on Lake Michigan's eastern shore can achieve heights of many feet; by accretion of floating snowball-size ice balls thrown upward by wave action. The maximum wave height (crest to trough) on Lake Michigan on this day was approximately 6 ft (2 m). What results is a landscape that looks almost volcanic. Note that the lake itself is a slurry of ice and water.
Member Since: August 13, 2009 Posts: 13 Comments: 6916

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TODAY AND TONIGHT.

FLASH FLOOD.
RISK...LIMITED.
AREA...NORTHEAST OKLAHOMA.
ONSET...LATE TONIGHT.

THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...ELEVATED.
AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...THIS AFTERNOON.

POOR VISIBILITY.
RISK...ELEVATED.
AREA...SOUTHWEST OF A PAWHUSKA TO OZARK LINE.
ONSET...ONGOING.

FIRE WEATHER DANGER.
RISK...LIMITED.
AREA...NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...THIS AFTERNOON.

DISCUSSION...
DENSE FOG WILL PERSIST UNTIL AROUND MID MORNING SOUTHWEST OF A
PAWHUSKA TO OZARK LINE. VISIBILITIES WILL FREQUENTLY BE UNDER A
QUARTER OF A MILE IN THIS AREA. THE FOG WILL LIFT BY LATE MORNING
WITH IMPROVING VISIBILITIES.

A FEW SHOWERS AND THUNDERSTORMS MAY AFFECT PARTS OF SOUTHEAST
OKLAHOMA AND WEST CENTRAL ARKANSAS THIS AFTERNOON AND
EVENING...BUT THE BETTER CHANCES FOR SHOWERS AND THUNDERSTORMS
WILL BE LATE TONIGHT IN NORTHEAST OKLAHOMA. LOCALLY HEAVY RAINFALL
MAY BE POSSIBLE WITH THE STRONGEST STORMS LATE TONIGHT.

A LIMITED FIRE DANGER WILL ALSO DEVELOP THIS AFTERNOON IN PARTS OF
NORTHEAST OKLAHOMA AS SOUTHEAST WINDS INCREASE TO 10 TO 15 MILES
AN HOUR.
Member Since: August 6, 2011 Posts: 4 Comments: 42267
WOW THIS WAS A BIG ONE HUH..................(CNN) -- An 8.0-magnitude earthquake struck off the Solomon Islands in the South Pacific on Wednesday, triggering a tsunami that killed five people but didn't threaten the wider region.
Member Since: August 6, 2011 Posts: 4 Comments: 42267
Refugio in line of fire

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THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA...
SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND THE FLORIDA BIG BEND
AND PANHANDLE...AND ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT...

DENSE FOG WILL BE POSSIBLE THIS MORNING...MAINLY ALONG AND TO THE
NORTHWEST OF A LINE FROM PANAMA CITY FLORIDA TO ALBANY GEORGIA.

WINDS WILL BEGIN TO INCREASE OVER THE COASTAL WATERS LATER TONIGHT
AND COULD CREATE HAZARDOUS CONDITIONS FOR SOME SMALL CRAFT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

SOME THUNDERSTORMS WILL BE POSSIBLE ON THURSDAY. A FEW OF THE
STORMS COULD BE STRONG OR SEVERE. HOWEVER...ANY SEVERE WEATHER
SHOULD BE FAIRLY ISOLATED.

HEAVY RAINFALL MAY OCCUR TO THE NORTHWEST OF A LINE FROM PANAMA
CITY TO ALBANY ON THURSDAY. HOWEVER...FLOODING IS NOT EXPECTED.

THERE IS LIKELY TO BE A HIGH RISK OF RIP CURRENTS AT AREA BEACHES
ON THURSDAY.
Member Since: August 6, 2011 Posts: 4 Comments: 42267
yep looks like the whole gulf coast will deal with this..
Member Since: August 6, 2011 Posts: 4 Comments: 42267
Quoting washingtonian115:
Besides Texas is due for a whopping hurricane(no offense Texans)..last real hurricane occured there in 2008..Ike..Have a good morning.


And only about 4 coastal TX counties were impacted by Ike, lots of TX real estate is due for a biggie and has been for a long time
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Looks like this is going to traverse the gulf coast....
Member Since: August 6, 2011 Posts: 4 Comments: 42267
Quoting pcola57:


Good to see you this am Largo..
All is well?
Hi, yes things here are ok..hope some of that texas rain makes it here but my local met is doubtful.
Member Since: August 6, 2011 Posts: 4 Comments: 42267
Besides Texas is due for a whopping hurricane(no offense Texans)..last real hurricane occured there in 2008..Ike..Have a good morning.
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Quoting VR46L:


Nasty area of thunderstorms look to be contained in it.
yeah large hail and severe lightning warnings out too..stay safe today Texans..heed your Local Warnings.
Member Since: August 6, 2011 Posts: 4 Comments: 42267
Quoting LargoFl:
hOPE NO TORNADO'S OUT OF THIS SYSTEM.............


Good to see you this am Largo..
All is well?
Member Since: August 13, 2009 Posts: 13 Comments: 6916
Member Since: August 6, 2011 Posts: 4 Comments: 42267
Quoting LargoFl:
hOPE NO TORNADO'S OUT OF THIS SYSTEM.............


Nasty area of thunderstorms look to be contained in it.
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Member Since: August 6, 2011 Posts: 4 Comments: 42267
hOPE NO TORNADO'S OUT OF THIS SYSTEM.............
Member Since: August 6, 2011 Posts: 4 Comments: 42267
NASA Image of the Day



Explanation: On Feb. 5, 1974, Mariner 10 took this first close-up photo of Venus. Made using an ultraviolet filter in its imaging system, the photo has been color-enhanced to bring out Venus's cloudy atmosphere as the human eye would see it. Venus is perpetually blanketed by a thick veil of clouds high in carbon dioxide and its surface temperature approaches 900 degrees Fahrenheit. Launched on Nov. 3, 1973 atop an Atlas-Centaur rocket, Mariner 10 flew by Venus in 1974. Image Credit: NASA
Member Since: August 13, 2009 Posts: 13 Comments: 6916
Quoting indianrivguy:


bonjour


HaHa! I like it!
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Wow.......This tectonic border is continuing releasing energy, Now a 6.0 Aftershocks
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Quoting pcola57:
Good Morning All..
Precip. in Texas is cranking up..
Thats a good thing..
Hope this year will be generous to them but not to the point of loss of life or damaging..







It may lead to something bigger in the summer/early fall if you know what I'm talking abou(tropical entity)...2007 is a good example.
Member Since: August 14, 2010 Posts: 10 Comments: 17848
Being reported that a MCS is trying to form outta that area from the warned cell and grow upstream moving into SE TX mainly south of I-10 later today.

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By the way..
Has anyone spotted Largo today??
Member Since: August 13, 2009 Posts: 13 Comments: 6916
Astronomy Picture of the Day



The Arms of M106
Credit: Image Data - Hubble Legacy Archive, Robert Gendler, Jay GaBany, Processing - Robert Gendler

Explanation: The spiral arms of bright galaxy M106 sprawl through this remarkable multiframe portrait, composed of data from ground- and space-based telescopes. Also known as NGC 4258, M106 can be found toward the northern constellation Canes Venatici. The well-measured distance to M106 is 23.5 million light-years, making this cosmic scene about 80,000 light-years across. Typical in grand spiral galaxies, dark dust lanes, youthful blue star clusters, and pinkish star forming regions trace spiral arms that converge on the bright nucleus of older yellowish stars. But this detailed composite reveals hints of two anomalous arms that don't align with the more familiar tracers. Seen here in red hues, sweeping filaments of glowing hydrogen gas seem to rise from the central region of M106, evidence of energetic jets of material blasting into the galaxy's disk. The jets are likely powered by matter falling into a massive central black hole.
Member Since: August 13, 2009 Posts: 13 Comments: 6916
Thanks Jeff...
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Quoting indianrivguy:


bonjour


And a "happy dance" to boot IR..LOl.. :)
How are things going for you today?
Any interesting news?
Member Since: August 13, 2009 Posts: 13 Comments: 6916

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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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