NASA Goes To The Birthplace Of Hurricanes | Aero-News Network
Aero-News Network
RSS icon RSS feed
podcast icon MP3 podcast
Subscribe Aero-News e-mail Newsletter Subscribe

Airborne Unlimited -- Recent Daily Episodes

Episode Date

Monday

Tuesday

Wednesday

Thursday

Friday

Airborne On ANN

Airborne 11.28.16

Airborne 11.29.16

Airborne 11.30.16

Airborne 12.01.16

Airborne 12.02.16

Airborne Hi-Def On YouTube

Airborne 11.28.16

Airborne 11.29.16

Airborne 11.30.16

Airborne 12.01.16

Airborne 12.02.16

Mon, Jul 25, 2005

NASA Goes To The Birthplace Of Hurricanes

Another Mission Launched From Costa Rica

NASA's ER-2 high-altitude weather research plane and the National Oceanic and Atmospheric Administration's (NOAA) P3-Orion research aircraft flew several missions July 14, 15 and 16 into the turbulent tropical atmosphere over the eastern Pacific.

The flights were intended to investigate a breeding ground of tropical cyclones -- one of the core goals of NASA's Tropical Cloud Systems and Processes (TCSP) mission, which is being conducted throughout July from San Jose, Costa Rica.

The eastern Pacific is the most concentrated spawning ground of tropical cyclones, otherwise known as hurricanes, on the planet, averaging 10-12 a year. The NOAA's P3 aircraft flew five successive missions, each about eight hours in duration. Two were flown in coordination with the ER-2. The missions commenced July 14 because large-scale conditions in the region suggested birth of a hurricane was imminent.

Just days later, on July 18, Tropical Storm Eugene developed on the far western edge of the TCSP flight zone.

The NOAA's P3 provided data on winds in the lower and middle atmosphere, while the ER-2 supplied data on the entire vertical structure of cloud, precipitation and atmospheric temperature features. During several flights, numerous small-scale circulations were documented within the "Inter-Tropical Convergence Zone," a narrow region where northeasterly and southeasterly winds converge to form thunderstorms. When the vortices coincide with strong thunderstorms, and other large-scale oceanic and atmospheric conditions are favorable, a hurricane can be generated.

Much analysis will be needed to determine if the roots of Eugene's spin can be traced to one of the vortices measured during this intensive period. The ER-2 and NOAA's P3 will provide valuable data on precursor conditions within the broader region where Tropical Storm Eugene developed.

There are different theories on why hurricanes develop in the eastern Pacific. One theory suggests disturbances that perturb the flow in the eastern Pacific arrive in the form of tropical waves from Africa, while another theory suggests the initial source of spin is essentially "homegrown" -- rotation arising from local perturbations in the regional atmosphere.

By combining the rich datasets obtained from the ER-2 and P3 aircraft with data from the unpiloted Aerosonde aircraft -- which also has been flying surveillance missions over the eastern Pacific -- and with numerical prediction models, some answers to the crucial questions of hurricane genesis soon may be forthcoming.

FMI: www.nasa.gov/vision/earth/lookingatearth/hurricane_2005.html

Advertisement

More News

Airborne 12.02.16: Stratos 714 1st Flt, TFR Politics, Airbus Job Cuts

Also: Female Skydive Record, ANN November Efforts, Dream Chaser, SecTrans Reax, FAA SAFO, Able Flight, Airline Group Grounded On November 21, the Stratos 714 very light jet took to>[...]

Aero-News: Quote of the Day (12.04.16)

“All three institutions have now sent a strong signal in favour of modernizing the Agency and the European aviation system as a whole. There is clear political will to ensure>[...]

Yingling Aviation Named Garmin Integrated Flight Deck Dealer

Wichita-Based Center Is Authorized To Sell And Install Garmin G1000 Through G5000 Avionics On Broad Range Of Business Aircraft Yingling Aviation has been named a Garmin Integrated >[...]

ANN's Daily Aero-Linx (12.04.16)

Aero Linx: The Colorado Airport Operators Association (CAOA) The Colorado Airport Operators Association (CAOA) serves the common interests of the owners, operators and users of the>[...]

ANN's Daily Aero-Term (12.04.16): Downburst

Downburst A strong downdraft which induces an outburst of damaging winds on or near the ground. Damaging winds, either straight or curved, are highly divergent. The sizes of downbu>[...]

blog comments powered by Disqus



Advertisement

Advertisement

Podcasts

Advertisement

© 2007 - 2016 Web Development & Design by Pauli Systems, LC