The Washington Post

Never-die Nadine lingers near the Azores, to live another several days

Tropical storm Nadine

In fact, the 5-day National Hurricane Center track forecast places the storm very near where it was on September 17! It has separated from the major steering features in the atmosphere, and is meandering. The GFS global model shows this storm sticking around well into the first week of October before getting obliterated by a potent trough -- near the Azores.

As of 11 a.m. today, Nadine’s estimated maximum sustained winds were 45 mph, and forecast to increase to 65 mph by the weekend.

Nadine has now been a numbered tropical cyclone (depression, storm, or hurricane) for 13 days, not including the 1.5 days near the Azores when it was considered “post-tropical”. It has been a tropical storm or hurricane for 12.25 days.

Tracks of the five longest-lasting tropical storms on record

Keep in mind that storms prior to the satellite era which began in 1961 could easily have been underestimated, and may have lasted longer than the official record indicates. It’s looking likely Nadine will eventually join the ranks of these historic long-duration storms.

Path of next NASA flight of Global Hawk into Nadine’s environment

Status of compromised GOES-13 satellite

Coverage of the tropical Atlantic provided by the various NOAA geosynchronous satellites: GOES-13 (top), GOES-15 (middle), and GOES-14 (bottom). GOES-14 is up as a spare, and located half-way between 13 and 15, in case either one of them should fail.

Related reading: Key GOES-13 weather satellite goes dark

To fill the gap left by GOES-13, GOES-14 - which has been “parked” as a spare over the equator and 105W - was called into action. The figure below demonstrates the type of coverage provided by GOES-13, 15, and 14 (top, middle, bottom), centered over 75W, 135W, and 105W.

* Brian McNoldy is a senior researcher at the University of Miami’s Rosenstiel School of Marine and Atmospheric Science.

Brian McNoldy works in cyclone research at the University of Miami’s world-renowned Rosenstiel School of Marine and Atmospheric Science (RSMAS). His website hosted at RSMAS is also quite popular during hurricane season.


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