B757 crew was required to exercise emergency authority/authorized to avoid thunderstorm activity.

Attributes
ACN	424948
Time
Date	199901
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : jfk
State Reference	NY
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Navigation In Use	Other
Flight Phase	cruise other other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	424948
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
Events
Anomaly	inflight encounter : weather other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	Other
Supplementary
Air Traffic Incident	Pilot Deviation

Narrative:

Exercise captain emergency authority/authorized regarding thunderstorm deviation. Exercised captain's emergency authority/authorized to deviate around thunderstorms. Requested to deviate 25 mi east was made 10 mins prior.

Original NASA ASRS Text

Title: B757 CREW WAS REQUIRED TO EXERCISE EMER AUTH TO AVOID TSTM ACTIVITY.

Narrative: EXERCISE CAPT EMER AUTH REGARDING TSTM DEV. EXERCISED CAPT'S EMER AUTH TO DEVIATE AROUND TSTMS. REQUESTED TO DEVIATE 25 MI E WAS MADE 10 MINS PRIOR.

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.