New USDA Plant Hardiness Zone Map for gardeners shows a warming climate

By: Dr. Jeff Masters , 02:17 PM GMT am 01. Februar 2012

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Wintertime minimum temperatures in the U.S. have risen so much in recent decades that the United States Department of Agriculture decided last week to update their Plant Hardiness Zone Map for gardeners for the first time since 1990. The Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones. Compared to the 1990 version, zone boundaries in the new 2012 edition of the map have generally shifted one 5-degree Fahrenheit half-zone warmer than the previous map throughout much of the United States. This is mostly a result of using temperature data from a longer and more recent time period. The old 1990 map was based on temperature data from only a 13-year period of 1974-1986, while the new map uses data from the 30-year period 1976-2005.


Figure 1. Comparison of the 1990 and 2012 USDA Plant Hardiness Zone Maps. Image credit: USDA and Arbor Day Foundation

Northwards, ho!
While humans are generally not attuned enough to nature's rhythms to tell if the climate is changing, plants and animals know the climate is changing. Many species of animals, insects, and plants have shifted their ranges poleward and to higher elevations in recent decades because of global warming. The 2007 IPCC report stated that "numerous studies document a progressively earlier spring by about 2.3 to 5.2 days per decade in the last 30 years in response to climate warming. That report also documented over 400 species that have moved their ranges poleward or to higher elevations because of climate change. For example, conifer trees expanded northwards into former tundra areas at a rate of 12 km per year between 1982 - 2000 in portions of Canada (Fillol and Royer, 2003.) Holly plants moved northwards by several hundred kilometers in recent decades into coastal Norway, Northeast Germany, Denmark, and coastal Sweden in response to warming temperatures (Walther et al., 2005.) As the climate continues to warm, plant and animal species previously unknown in many regions will appear, and will disappear from places they used to inhabit.


Figure 2. Change in the boundary line between conifer forest (taiga) and tundra between 1982 (grey line) and 2000 (white line) over Canada. In the grey box marked "Transect", the rate of northwards migration was 12 km per year, or 228 km (142 miles) in nineteen years. Image credit: Fillol and Royer, 2003, "Variability analysis of the transitory climate regime as defined by the NDVI/Ts relationship derived from NOAA-AVHRR over Canada", Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International.

Jeff Masters

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Quoting TropicalAnalystwx13:
Tracking a confirmed tornado on the ground:



where at?
Member Since: August 4, 2011 Posts: 46 Comments: 4488
Quoting SPLbeater:


fun...want fun on this blog, then talk about the weather or something atleast related to it. seems anything people talk about is politics n other crap.

Said it to WxGeekVA. I dont argue anymore, i just hit ignore.


And for the 4th time...if i am a troll, so is all of wunderground.
Lol, I stated to you previously that I know your not. "want fun on this blog, then talk about the weather or something atleast related to it." You should really listen to your own advice. I have nothing against you at all was just trying to mess with you a little.
Member Since: Juli 22, 2010 Posts: 1 Comments: 3852
Quoting NativeSun:
Hi ILwthrfan, Texas is part of the Desert Southwest, there always will be droughts in that part of the country (dust bowl years) and there have been droughts in that part of the country and flooding in the midwest long before this climate change agenda came to be. We have very little control over the cooling and warming of this planet, like I said before we dont posses the knowledge to say CO2 is 100% the cause of climate change. If CO2 was a major gas and a pollutant than maybe their would be some concern. We can't predict the weather from week to week with our models, how are we going to predict whats going to happen 80 to 100 years from now with the climate models. I'll bet the next 20 to 30 years the earth will continue to cool as it is now and everyone will be calling for an Ice Age ala the 70s.


Your basing your entire argument off false assumptions, false attributions, and incorrect information. You should read the IPCC report, which is a collective summary of the science about climate and climate change.

Then, even if you disagree, you will be able to form much better arguments. Know thy enemy and all that.
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Quoting hurricanehunter27:
Hey Taz.


who the heck you callin Taz?
Member Since: August 4, 2011 Posts: 46 Comments: 4488
Quoting SPLbeater:


POOF


ITT, we poof everyone who calls us out on something we're actually guilty of.

Kid, eventually you're going to have to face reality.
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Quoting hurricanehunter27:
First question that goes through peoples minds when they meet you.

Sry could not help myself. Just trying to have some fun.


fun...want fun on this blog, then talk about the weather or something atleast related to it. seems anything people talk about is politics n other crap.

Said it to WxGeekVA. I dont argue anymore, i just hit ignore.


And for the 4th time...if i am a troll, so is all of wunderground.
Member Since: August 4, 2011 Posts: 46 Comments: 4488
Quoting SPLbeater:


POOF
(DELETED)
Member Since: Juli 22, 2010 Posts: 1 Comments: 3852
Quoting hydrus:
Overdone..
What in gods name is coming off the Pacific?
Member Since: Juli 22, 2010 Posts: 1 Comments: 3852
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Quoting CybrTeddy:


And to think, that small piece of foam is the direct cause as to why we saw the shuttle's final go last year.
Hole in RCC leading-edge panel, a result of impact testing in the investigation of the Space Shuttle Columbia disaster. Soft polyurethane foam impacted this mock-up of a space shuttle wing at approximately 850 km/h.
Member Since: September 27, 2007 Posts: 1 Comments: 22618
RTSplayer, Sarcasm flag on, of course over population is causing this mess we are in.
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Quoting Patrap:
High Novelty Human Tragedy with rescue underway at Soccer Stadium Match in Egypt.



Have you ever gone by the name of Ike on another forum? You're method of communicating is pleasantly familiar.

/end off topic (there is a topic?)
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Tracking a confirmed tornado on the ground:

Member Since: Juli 6, 2010 Posts: 113 Comments: 32822
Quoting ILwthrfan:Same data-set, bigger picture...blue represents temperature and Co2 is in green. Notice the correlation between the two. They mirror each other perfectly, so we do know that increasing Co2 = higher temperature. I am curious to your point of view on this data?


Technically it isn't the CO2/temperature record that has led to the understanding that CO2 causes temperature changes as a greenhouse gas. The correlation noted does not automatically equal causation. Sometimes people fall into this trap and then the "CO2 lags temperature" argument gets started.

The reason we know there is a causation is because there is a known physical mechanism by which the physical properties of greenhouse gases re-emit longwave energy, some of which returns to the surface of the earth. Increase the amount of energy returning to earth, increase the stored heat energy of the climate system. The mere correlation isn't the point - CO2's ability to remit longwave radiation, known for over a century, is.
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Overdone..
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Quoting RTSplayer:


Our votes mean nothing in the presidential election.

The president is not elected by popular vote.

The only reason the popular vote exists is to make you feel like you matter. You don't.


I disagree. We all vote daily, in the way We spend Our money and conduct Our daily lives. The smart money, including the money behind politicians and their campaigns, follows those votes (ignoring opinion polls and other bogosities that don't follow Our spending and behavior patterns) and adjusts accordingly. There is a reason why these folks have the money, and I think this is it. We matter. We are all that matters, politically. To argue otherwise, I think, is a cop-out - a highly unadvisable cop-out in a political system that relies on the active, and informed, participation of its citizens.

I'll have to check on the stats re: electricity generation and its contribution of carbon dioxide to the environment, vs. the contribution made by automobiles (the big donor, last I looked).
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Cold Weather Alert: Level 3 - Cold Weather Action in one or more regions of England...It is extremely cold there and 100 people have died...Cold Weather Alert service in action

31 January 2012 - This week's cold weather has seen the Met Office issue its first England-wide Level 3 Cold Weather Alert of the winter.

The alert was issued because of the expected frosty nights and low daytime temperatures. We have already seen temperatures as low as -6.2°C in Pershore, Worcestershire, -6.1°C in South Farnborough, Hampshire and -5.7°C in Hurn, Dorset this week and the Level 3 Alert is expected to remain in force until the weekend.

The Met Office Cold Weather Alert service supports the Cold Weather Plan developed by the Department of Health, the Health Protection Agency and Age UK to help reduce the impact of cold weather on people's health in winter.
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Great news for BONE DRY FL and this is just thru next Tuesday!

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Quoting AlwaysThinkin:


You misspelled ignorance.

Quoting SPLbeater:


i dont care


And from the mouths of babies......

the source of ignorance is defined (and demonstrated)
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Quoting SPLbeater:


"w"hat are you trying to prove?
You did not capitalize what at the beginning of your sentence...jk..really..jk..:)..:)
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Quoting SPLbeater:


Now...that is the same thing as blocking, right? a strong ridge in the mid to northern latitudes to block the jet stream from continuing east??
One might think so. It has been there for weeks....Met Office view

High pressure centred over northern Russia is preventing weather systems in the North Atlantic Ocean from reaching the British Isles. As a result, most places are seeing dry and settled weather. The clockwise circulation around this high pressure is drawing very cold air across the UK from the east.

Updated: 0730 UTC on Wed 1 Feb 2012
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Quoting SPLbeater:


then all he has to do is look around him at the very planet he lives on. wasnt for God, it wouldnt be here.

I dont argue anymore. I just hit ignore:)


Well I haven't been ignored yet... lol
Member Since: September 3, 2011 Posts: 13 Comments: 3477
Noting:-139. RTSplayer
"the deli will be selling rotten food, or else everything will be shipped in much more expensive, recyclable glass containers, since there's enough sand I guess."

The food solution is simple though a bit hard to accept.
Today's mass manufactured, basic,instant,convenience foods and snacks will have to be replaced by a sot of thick soup similar to baby foods. This will come in endless flavours and be supplied in returnable containers which will be charged a deposit for at the point of purchase. Glass will probably not be used new much as it needs a lot of energy to make it,so some form of plastic container will be utilized.
The privileged few millions/billions will still be able to get food that looks like food but at a high price.
I'm sure "space station food," will become much more the norm in the near future.
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Quoting SPLbeater:


what are you trying to prove?


I think he is asking for physical, scientifically confirmed proof of God so that you can confirm your theories that you constantly state about creationism and the supposed age of the planet....
Member Since: September 3, 2011 Posts: 13 Comments: 3477
110 westernmob "CFC's have nothing to do with atmospheric CO2 content. Ultraviolet Radiation and Greenhouse Gases are independent of one another."

1) You missed FatPenguin's point entirely, which was to provide a different atmospheric counter-example against the idea that "Nothing man can do can affect the environment."
2) CFCs are extremely powerful greenhouse gases.
3) CFCs are broken by UV-catalysis to react with atmospheric oxygen to produce carbon dioxide plus fluorine and chlorine compounds. Those fluorine and chlorine compounds, not the CFCs, in turn catalyse the breakdown of ozone.
4) Ozone is both a UV shield and an extremely powerful greenhouse gas. Methane is an extremely powerful greenhouse gas broken down into water and CO2 by reactions with hydroxyl radicals (OH from the UV-breakup of H20) and ozone. And ozone is broken down by its interaction with methane.
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Quoting hydrus:
Europe stays cold..Look at the size and strength of that high pressure area.....its huge


Now...that is the same thing as blocking, right? a strong ridge in the mid to northern latitudes to block the jet stream from continuing east??
Member Since: August 4, 2011 Posts: 46 Comments: 4488
Quoting AlwaysThinkin:


You misspelled ignorance.


i dont care
Member Since: August 4, 2011 Posts: 46 Comments: 4488
Quoting presslord:


it isn't an issue of lack of confidence...so much as lack of evidence


what are you trying to prove?
Member Since: August 4, 2011 Posts: 46 Comments: 4488
If you mix ingredients in a food mixer you get a blend.
If you mix molten metals together you get an alloy.

Nobody denies this but if you say that mixing high proportions of gases into the atmosphere that were either not naturally present or were locked up in a solid stable state,previously, then a lot of people say it wont have any effect, or that in "their facts" it is having the opposite effect from what the evidence points to.
We can have blends and alloys but we don't seem to be able to have the properties of the atmosphere changed!
There are compounds and mixtures, most people would agree that food mixes and alloys are compounds (difficult to separate again,)Few people seem to be able to grasp that the pollution in the atmosphere will act like a compound as well and be virtually impossible to separate in a reasonable amount of time. IE Lifetimes.
The result of this atmospheric experiment is an irreversible compound,its effects are becoming more evident. Sometimes you have just got to accept the evidence and the results!
Arctic coast beach holidays next?
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Quoting hydrus:
Close-up of the Left Bipod Foam Ramp that broke off and damaged the Shuttle wing.


And to think, that small piece of foam is the direct cause as to why we saw the shuttle's final go last year.
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Quoting NativeSun:
ILwthrfan, I do agree with you that CO2 can cause temps in the atmosphere to rise, but I don't think Co2 is the driver behind Gobal Change in the atmosphere. Maybe over poulation is causing the temperature to rise.


Ya think there's a correlation between population increasing at over 12% per decade and pollution.

Beijing is buried in garbage and feces right now.

New York City is shipping out garbage by the megatons on trains to other states, because they have no place to put all the waste they make.

yah think that whole "throw away a plastic bottle with a 500 year life expectancy after just one use," thing might contribute?

hehe.

Ain't seen nothing yet.

When they run out of oil, the food industry is going to require a replacement for all that nice plastic packaging that keeps meats and cheeses fresh, and for now, the only real solution I can think of is loads and loads of salt and preservatives. There aren't enough trees to cut down to make the amount of wax paper or other wrappers you'd need, especially when the population is supposed to be 9 billion in 20 or 30 years.

the deli will be selling rotten food, or else everything will be shipped in much more expensive, recyclable glass containers, since there's enough sand I guess.
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WIKI -This figure shows the history of atmospheric carbon dioxide concentrations as directly measured at Mauna Loa, Hawaii. This curve is known as the Keeling curve, and is an essential piece of evidence of the man-made increases in greenhouse gases that some believe to be the cause of global warming. The longest such record exists at Mauna Loa, but these measurements have been independently confirmed at many other sites around the world .

The annual fluctuation in carbon dioxide is caused by seasonal variations in carbon dioxide uptake by land plants. Since many more forests are concentrated in the Northern Hemisphere, more carbon dioxide is removed from the atmosphere during Northern Hemisphere summer than Southern Hemisphere summer. This annual cycle is shown in the inset figure by taking the average concentration for each month across all measured years.
The grey curve shows the average monthly concentrations, and red curve is a moving 12 month average.
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Europe stays cold..Look at the size and strength of that high pressure area.....its huge
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Yay.

The Keeling Curve will have a slope of 4 or more by 2030.

After all, the oceans absorb so much right now, but even if that could continue indefinitely, the Keeling Curve doesn't go up by the total CO2 we produce. It goes up by the excess that isn't going into Ocean Acidification.

Numbers like that suggest a 100% increase in the excess, therefore slope becomes something like 4 to 4.5.

Then, if the oceans come into equilibrium, the CO2 being sequestered there won't happen any more, and the slope will increase to as much as 6 or 7.

Slope might reach 3 by 2020, I guess.
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Storms approaching FSU land.



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Some severe wx warnings are out for these cells.

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ILwthrfan, I do agree with you that CO2 can cause temps in the atmosphere to rise, but I don't think Co2 is the driver behind Gobal Change in the atmosphere. Also are the temperatures on the graph recorded with satellites or thermometers on land. My opinion is that their is too much we don't know about the dynamics that control climate change to blame CO2 as the main componet that affects temperature change in the atmosphere. Hopefully in the near future we will have a better understanding of what is causing the climate to change. I just hope we can change to stop the increase in atmospheric temperature and it is CO2 and not something that is happening as part of a natural cycle which we have no control over. Maybe over poulation is causing the temperature to rise.
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This needs to pan out for coastal TX, need this

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Quoting theamoeba:
When the president moves away from talking about climate change and talks more generally about energy, as he did in the State of the Union, calling for an all-out, all-of-the-above strategy that develops every available source of American energy, the impact is more than just political.

It just might get him re-elected. All talk about 'the left this' and 'the right that' discounts the fact that none of these folk elected themselves. If the discussion is moving in the "energy" direction, it's because that's where the discussion leaders think that the votes are. Our votes. That points the mirror, and the blame, squarely where they belong. At you and me.

I work at a lab where climate change and ocean acidification are major components of the work. The parking lot is full of cars, every day. I rest my case.


Our votes mean nothing in the presidential election.

The president is not elected by popular vote.

The only reason the popular vote exists is to make you feel like you matter. You don't.
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Fallout beginning...

The cuts will fall most heavily on the airline's maintenance operations, which will lose 4,600 jobs. More than 4,000 additional ground worker jobs will be eliminated, as will 2,300 flight attendant jobs.
Management will be reduced by 1,400 employees



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Quoting SPLbeater:


no actually my knees were not jerking. I dont say anything without confidence behind it.


You misspelled ignorance.
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Quoting theamoeba:
When the president moves away from talking about climate change and talks more generally about energy, as he did in the State of the Union, calling for an all-out, all-of-the-above strategy that develops every available source of American energy, the impact is more than just political.

It just might get him re-elected. All talk about 'the left this' and 'the right that' discounts the fact that none of these folk elected themselves. If the discussion is moving in the "energy" direction, it's because that's where the discussion leaders think that the votes are. Our votes. That points the mirror, and the blame, squarely where they belong. At you and me.

I work at a lab where climate change and ocean acidification are major components of the work. The parking lot is full of cars, every day. I rest my case.

Most CO2 The largest source of CO2 I should have said, about 40% -- is produced from generating electricity. If we would stop that then it would be an immediate end to this discussion.
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Change coming for some of us..SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
357 PM EST WED FEB 01 2012

VALID 00Z THU FEB 02 2012 - 00Z SAT FEB 04 2012

...EXTREMELY WARM CONDITIONS WILL COME TO AN END ACROSS THE
EASTERN U.S....

...A SURFACE CYCLONE DEVELOPING OVER THE SOUTH CENTRAL U.S. WILL
BRING A SWATH OF HEAVY SNOW TO THE CENTRAL PLAINS LATE IN THE
FORECAST PERIOD...

A COLD FRONT MOVING TOWARDS THE EASTERN SEABOARD WILL GRADUALLY
BRING AN END TO THE EXTREMELY WARM CONDITIONS ACROSS THE EASTERN
THIRD OF THE COUNTRY. THE NORTHERN PORTION OF THE FRONT IS
EXPECTED TO PUSH OFF THE NORTHEAST COAST BY WEDNESDAY
EVENING...BRINGING COOLER AND DRIER CONDITIONS TO THE UPPER OHIO
VALLEY...SOUTHERN NEW ENGLAND...AND NORTHERN MID-ATLANTIC STATES
BY EARLY THURSDAY MORNING. A FEW LINGERING SNOW SHOWERS WILL BE
POSSIBLE ACROSS INTERIOR NEW ENGLAND THROUGH THURSDAY AFTERNOON AS
THE ANCHORING SURFACE LOW STRENGTHENS AND MOVES UP THE COASTLINE.

THE SOUTHERN PORTION OF THE BOUNDARY WILL BE SLOWER TO PUSH
THROUGH THE TENNESSEE AND MISSISSIPPI VALLEYS WEDNESDAY
NIGHT...ALLOWING FOR SCATTERED SHOWERS AND THUNDERSTORMS FROM THE
CENTRAL GULF COAST...NORTHWARD INTO THE LOWER OHIO RIVER
VALLEY...AND EASTWARD OFF THE SOUTHERN MID-ATLANTIC AND SOUTHEAST
COAST. MOST PRECIPITATION ACROSS THE REGION WILL BE LIGHT IN
NATURE...BUT A STREAK OF MORE MODERATE RAINS WILL BE POSSIBLE NEAR
A SURFACE WAVE ALONG THE FRONT TRACKING FROM THE TENNESSEE VALLEY
TO THE VIRGINIA COAST. ENERGY ALOFT WILL HELP STRENGTHEN THE WAVE
AS IT TRACKS NORTHEASTWARD AND AIDE IN PUSHING THE SOUTHERN
PORTION OF THE FRONT OFF THE CAROLINA COAST. PRECIPITATION SHOULD
COME TO AND END...AND TEMPERATURES SHOULD BEGIN TO FALL ACROSS
MUCH OF THE SOUTHERN MID-ATLANTIC STATES AND SOUTHEAST BY EARLY
THURSDAY AFTERNOON.

A WEAK COLD FRONT DROPPING SOUTH AND EAST THROUGH THE NORTHWESTERN
CORNER OF THE COUNTRY WEDNESDAY NIGHT WILL CONTINUE TO TRIGGER
WIDESPREAD...BUT LIGHT...SNOW SHOWERS ACROSS THE INTERMOUNTAIN
WEST AND NORTHERN TO CENTRAL ROCKIES. SOME ISOLATED AREAS OF MORE
MODERATE SNOWFALL ACCUMULATIONS WILL BE POSSIBLE IN THE WAKE OF
THE FRONT...ALONG THE FAVORED SLOPES OF THE HIGHER TERRAIN. THE
ENERGY ALOFT SUPPORTING THIS FRONT IS EXPECTED TO AMPLIFY AS IT
CROSSES THE WESTERN U.S. WEDNESDAY EVENING AND EVENTUALLY CARVE
OUT A BROAD TROUGH OVER THE FOUR CORNERS REGION. BY THURSDAY
EVENING...A PIECE OF THE ENERGY ALOFT WILL EJECT OUT OF THE
ROCKIES AND AIDE IN STRENGTHENING A SURFACE LOW OVER THE SOUTHERN
HIGH PLAINS. AS THE LOW DEEPENS AND TRACKS NORTHEASTWARDS ON
FRIDAY...WIDESPREAD PRECIPITATION IS EXPECTED TO BREAK OUT ACROSS
THE SOUTH CENTRAL U.S.. SEVERE THUNDERSTORMS AHEAD OF A TRAILING
COLD FRONT...HEAVY RAINS AHEAD AND ALONG A STRENGTHENING WARM
FRONT...AND ACCUMULATING SNOWS TO THE NORTHWEST OF THE LOW TRACK
WILL ALL BE POSSIBLE WITH THIS DEVELOPING SYSTEM.


GERHARDT
Member Since: September 27, 2007 Posts: 1 Comments: 22618
A Fantastic soaker today, over a inch here already.





Member Since: Juli 3, 2005 Posts: 428 Comments: 129841
Quoting StormTracker2K:
Very very rare to see such a wet pattern developing across FL & the SE US in a La Nina event.
Very true..Has not materialized yet tho...
Member Since: September 27, 2007 Posts: 1 Comments: 22618
Crickets, once only known to southern Alberta(from old field books in the 70s) are now heard in central and norther Alberta.
I started to notice the crickets in my area(south of Edmonton) in 2007, and by Aug 2008 they made themselves at home!

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Close-up of the Left Bipod Foam Ramp that broke off and damaged the Shuttle wing.
Member Since: September 27, 2007 Posts: 1 Comments: 22618

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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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