Tropical Storm Helene arrives; 94L a potential threat to the Lesser Antilles. Most people don't realize it, but a rainbow is actually a full circle. You usually can't see the full circle, since half of the rainbow lies beneath the horizon, where it is not raining. After all, there is no weather underground. However, if one is in an airplane or overlooking a waterfall, the 360-degree rainbow can be seen. I know--I have seen them twice from research airplanes that were flying through rain showers. Check out the 360-degree rainbow image at the bottom. Note that there is a separate optical phenomena, called a glory (caused by diffraction), surrounding the shadow of the airplane.
I challenge all you wunderphotographers to capture a 360-degree rainbow image in rain or waterfall mist. Comments will take a few seconds to appear. Brazil Met Charts. MetEd Home. Met Office - StormTracker. WARNING: In order to proceed past this screen you must have a valid username and password as supplied by the Met Office. Any attempt at unauthorised access or modification of Computer Data is a criminal offence under the Computer Misuse Act 1990. In addition, all users of this system are bound by further terms and conditions, to the exception of those users who have paid to access advanced versions of the service.
Users who have paid to access advanced versions of the service shall be bound by the Met Office Standard Terms and Conditions as agreed between the parties. The Met Office is committed to keeping your personal information safe and secure. It is important that you keep your login details secret and take reasonable precautions to keep them safe. Tropical Warning Info. Lat Long distance calculation. Worldwide Tropical Cyclone Names. Contents Atlantic Names Atlantic Pronunciation Guide (PDF) Since 1953, Atlantic tropical storms had been named from lists originated by the National Hurricane Center. They are now maintained and updated through a strict procedure by an international committee of the World Meteorological Organization. The six lists above are used in rotation and re-cycled every six years, i.e., the 2014 list will be used again in 2020.
If a storm forms in the off-season, it will take the next name in the list based on the current calendar date. In the event that more than twenty-one named tropical cyclones occur in the Atlantic basin in a season, additional storms will take names from the Greek alphabet. Can I have a tropical cyclone named for me? Eastern North Pacific Names Eastern North Pacific Pronunciation Guide (PDF) These lists are also re-cycled every six years (the 2014 list will be used again in 2020).
Central North Pacific Names The names are used one after the other. Other Basin Names (Worldwide) NRL TC_PAGES Page.