B767 PIC exercises emergency authority/authorized when ZJX issues turns into WX.

Attributes
ACN	513879
Time
Date	200106
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : cty.vortac
State Reference	FL
Altitude	msl single value : 35000
Environment
Weather Elements	Thunderstorm
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zjx.artcc
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other other vortac
Flight Phase	cruise : level ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	513879
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	inflight encounter : weather inflight encounter other other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action flight crew : exited adverse environment
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance Weather
Primary Problem	ATC Human Performance

Narrative:

I declared an emergency in order to avoid severe WX as ATC wanted a turn into an extensive line of WX.

Original NASA ASRS Text

Title: B767 PIC EXERCISES EMER AUTH WHEN ZJX ISSUES TURNS INTO WX.

Narrative: I DECLARED AN EMER IN ORDER TO AVOID SEVERE WX AS ATC WANTED A TURN INTO AN EXTENSIVE LINE OF WX.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.