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A tornado warning (SAME code: TOR) is a severe weather warning product issued by regional offices of weather forecasting agencies throughout the world to alert the public when a tornado has been reported or indicated by weather radar within the parent severe thunderstorm. It can be issued after a tornado, funnel cloud and rotation in the clouds has been witnessed by the public, storm chasers, emergency management or law enforcement, and indicates that residents in the affected areas should take immediate safety precautions.
A warning should not be confused with a tornado watch, issued in the United States by the Storm Prediction Center (SPC) and in other countries by applicable regional forecasting agencies or national severe weather guidance centers, which only indicates that conditions are favorable for the formation of tornadoes. Although a tornado warning is generally a higher alert level than a tornado watch, in the U.S., it can be surpassed by a higher-level alert—structured as wording that can be added to the official warning product—to warn the public of intense tornadoes affecting a densely populated area.
A tornado watch is not required for a warning to be issued; tornado warnings are occasionally issued when a tornado watch is not active (i.e. when a severe thunderstorm watch is active, or when no watches are in effect), if a severe thunderstorm develops and has a confirmed tornado or strong rotation.

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  1. Dan

    WARNING to all plumbers....

    IMPORTANT WARNING: Emails and calls are going out to plumbers. From various names of companies, and people in those companies. They say they have work in your area, and that you are required to pay to gain access to them. Then you pay, and you don't get any work, or you get rubbish work. This...
  2. A

    Warning About Glow Worm Warranty

    Been to a job today to have a look at a leak on an Ultracom 2 30CXI. It was leaking very slightly from the diverter valve spindle and also the AAV. Glow Worm Group Service have already been out to look at the boiler. They claim to have drained some of the water into a small jar and left it on...
  3. R

    Alliance FM (Co. No. 08036172) Warning

    This message is a warning to any tradesmen that if you should be contacted by Alliance FM Ltd (currently based in Oakland House, 21 Hope Carr Road, Leigh, Lancashire), to carry out work in any of their managed properties, then you should be aware that I have not been paid for the work I have...
  4. P

    Fordham Flush Panel: warning about failure in old model

    The cisterns in both my loos are Fordham Flush Panels (Model Aquasave AC 2613). They looked quite old when I moved here in 1995 but they continued to work well. The only failure until recently was of a halter unit, which snapped. I replaced this without realising that more important plastic...
  5. rpm

    Saniplus- Warning!

    Hi, Just to let you know that you can no longer connect a bath and a toilet to a saniplus, from what Im hearing it applys to all the manufactures of macerator pumps and Im not sure where we stand on like for like replacements. The product selector guide shows the sanivite as the only one...
  6. M

    Warning- gas leak developed on new B&Q hob 1 hour after fitting

    Just got back from a call out to a leaking hob that I finished fitting at 4 this afternoon. Fitted using the supplied fitting tested it up and all was fine. Had a call back to it at 5. Owner had lit the hob and it had gone with a bang. Told him to turn off the gas and went back round to it. Put...
  7. R

    Rainbow Gear- When Zippy and Goerge do Top Gear. Warning swearing and bit of fun.

    Hope i can put this in the arms if not I am sure mods will move it. bit of funny video to lighten the spirits. http://youtu.be/SMHhy-mGndI
  8. O

    warning above central heating posts and central heating section

    as above really seen it today being talked about but i just wanna say well in mods went into action quick and hopefully will deter people asking for gas advice/fixes
  9. P

    warning scam email

    Good Morning, We believe you may be interested in hearing about our Christmas Promotion that we have on our Housing Association Database which is a comprehensive verified list of Senior Decision Makers in Housing Associations. When purchasing this database under our Christmas Promotion...
  10. B

    warning> faulty beko,leisure,flavel cookers

    Beko : Cooker Safety Notice anyone with the above cookers need to contact the manufacturer immediately and stop using the cooker,8 people have already been killed the latest 2 in Cornwall this was in the sun paper 8/12/12
  11. R

    Scam's & fraudsters warning

    have you encountered any one of those fraudulent con artist's trying to take your hard earned? fire, police & ambulance magazine!. national housing association breakdown cover! pay £1,750 for a year and guaranteed 400 jobs or 3,000 houses etc, etc... then post all your encounters in this...
  12. AlexGas

    Drink Drive CCTV Christmas Warning ...

    Devon and Cornwall Police are releasing dramatic footage of a drink-fuelled collision as part of the Force's annual drink drive Christmas campaign.LiveLeak.com - Drink Drive CCTV Christmas Warning Keep safe!
  13. D

    HSE Warning re. CO from stored wood pellets!

    Risk of carbon monoxide release during the storage of wood pellets
  14. M

    Drinking warning

    I would like to warn all of you of the little demon who waits until you have had 2 pints of wizaards brew 7 pints of hobgoblin and 2 pints of Guiness as they do silly things to you like, Hide your bloody keys in a pocket inside your coat so you have to walk about a mile to look like a tit.
  15. T

    Parts warning on Plumbworld Shower Enclosures

    Just been in touch with Plumbworld and have been advised they do not have parts for a quadrant shower enclosure from 2008. The wheels have failed rendering the enclosure useless after four years. Not only is the enclosure useless so is the whole installation. Has anyone else had similar...
  16. S

    Warning notice classification on not sealing flue hole.

    Hi, Can someone tell me the classification of finding that the core hole hasn't been sealed after a boiler install please? I've been 'At Risking' them but I've been finding a lot recently and I want to make sure I'm correct just in case a landlord flags it with gas safe. They get covered with...
  17. M

    Landlords responsibility

    What is the landlords responsibility when we A.R an appliance. Recently I have started to go back to properties and the warning stickers are still on them from last year. Should the landlord sort these problems? What would happen should something go wrong
  18. N

    Advertising Scam WARNING

    Just had a call from a company claiming to be called Vision Group working on behalf of a charity called FFFC (forester fund for children). They offer to run an advert in a free charity raising business directory for a reasonable fee . They sound very legit and the offer sounds good. DO NOT...
  19. J

    A warning for everyone [ well maybe not everyone]

    After fitting sink taps this morning, i got a phone call in the afternoon from the customer, 'my showers not working, it was alright before you where here'. Years ago i would have probably phoned her back and said ,it's nothing to do with me darling, i was'nt near your shower. Nowadays...
  20. B

    ford transits a warning

    our second van the trasheds off the road again a bolt on the gear selectors come loose,punched a hole through the gear box, basically the transits got 2 cables going to the gear selector on top of the box this selector seizes regularly and i have to remove it to free it up this time the old man...
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