However, there is no official channel for warning governments of an impending impact.
In suburban and rural areas it can be especially difficult for the public to know where to turn for warning messages.
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Friends and family of unemployed people should look for warning signs, such as sadness, lack of energy, insomnia and irritability.
In addition to monitoring their own behavior, employees and managers should be trained and encouraged to watch for warning signs in others.
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Woods lambasted European Tour referee John Paramor for warning him and playing partner Padraig Harrington for slow play in the final round at Firestone.
Funded by the U.S. Office of Naval Research, project leaders envision "smart underwear" that measures a soldier's sweat for warning signs and automatically trigger an appropriate medical dosage.
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It also said there was confusion over who was responsible for warning the public about the spill and the signs that were eventually put up were too small.
Other large companies mine data for warning signs, taking note when an employee swipes an identity badge in New York only to log onto the network from California, for instance.
In other words, instead of one warning label appropriately approved by a federally warranted agency, drugmakers must now gird themselves for warning labels as judged by 50 states and who knows how many other jurisdictions.
Case in point: Meridith Whitney, who is given both credit for warning in 2007 of the collapse of Citigroup, and blame for predicting in 2010 that numerous municipalities would be in bankruptcy by now.
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The reasons given by Standard and Poor's for warning that it may downgrade the credit ratings of all but one of the eurozone's member governments - the exception being Greece, which already has an exceptionally low junk rating - are in a sense uncontroversial.
As soon as I got to work, I wrote a fairly irate but detailed email, as a private citizen rather than a journalist, to the Connect to Cardiff (C2C) online service, pointing out the mayhem the changes were causing and asking for warning signs to be put up straightaway as a minimum until the lines could be re-painted.
"Such an incident I have to say is also a warning for the organizers in the World Cup -- a warning for all organizers about what will happen, " said Blatter, who is in Japan for the Club World Cup, which climaxes with Sunday's final between Brazilian team Corinthians and European champions Chelsea.
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The Met Office has issued an amber snow warning for mid, north and east Devon, and a yellow warning for snow and ice for the whole county.
The Met Office has issued a severe weather warning for South East England for Friday, warning of snow throughout the region - including much of East and West Sussex - and a danger of some drifting.
The Home Office said it had apologised to the family for not warning them.
And the law calls for graphic warning labels that make the danger of smoking abundantly clear.
If the risk is obvious, there's no need for a warning label--hence, steak knives don't have them.
We wait almost hopefully for a warning shot from bond market vigilantes that might scare Washington into downsizing.
They thanked me for the warning, and we all held our collective breaths.
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If that's not a risk you want to expose yourself to, keep an eye out for the warning signs.
This will allow plans to be speeded up and extended and for flood warning and forecasting to be improved.
But you can improve your odds by looking for the warning signs.
Purbeck Council has criticised people for ignoring warning signs on Swanage beach after a walker had to be pulled to safety on Friday.
Eliasson pleaded for early warning mechanisms, and stronger capacities to manage natural resources, underlining the role of new technologies, education and multilateralism to do so.
The exercise tested the systems used for relaying warning messages and, in some countries (Germany, Denmark, Egypt, France, Malta, Portugal and Turkey) the readiness of civil protection services.
As reported here on Tuesday morning, there was no reason for a warning, and, in fact, naproxen might well be safe (see: " Some Doubt Risk For Bayer's Aleve").
Then, with a thump of such suddenness that for a moment it might have been taken for a warning of emergency or disaster, music again burst from the Star night club.
Big yields sometimes hide excessive risk, as evidenced by these two recent examples, which show the importance of watching for certain warning signals on the charts before jumping into select high-yield instruments.
"The launch of SBIRS GEO-1 heralds a new era for missile warning and other missions enabled by overhead persistent infrared sensors, " said Steve Toner, Northrop Grumman's vice president of OPIR and Azusa Programs.
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