special tropical weather outlook
1250 PM EST Wed Dec 4 2013
For the North Atlantic...Caribbean Sea and the Gulf of Mexico...
Showers and thunderstorms have increased in association with a
non-tropical low centered about 450 miles south of the Azores
Islands. The low is producing winds of near 60 mph...and some
additional development of this system is possible during the next
day or so before it is affected by strong upper-level winds and
moves over colder water. This system has a low chance...20
percent...of becoming a subtropical or tropical cyclone during the
next 48 hours...and a low chance...20 percent... of becoming a
subtropical or tropical cyclone during the next five days.
Additional information on this system can be found in high seas
forecasts issued by Meteo France. Another special tropical weather
outlook on this system will be issued near 1 PM EST Thursday
December 5...or sooner if necessary.
High seas forecasts issued by Meteo France can be found under WMO
header fqnt50 lfpw.
Five-day formation probabilities are experimental in 2013. Comments
on the experimental forecasts can be provided at...