MULTISTROKE CLOUD-TO-GROUND STRIKE TO THE NASA F-106B AIRPLANE

被引:6
作者
MAZUR, V [1 ]
FISHER, BD [1 ]
BROWN, PW [1 ]
机构
[1] NASA, LANGLEY RES CTR, HAMPTON, VA 23665 USA
关键词
D O I
10.1029/JD095iD05p05471
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
An analysis of electromagnetic waveform records and video images of a multistroke cloud-to-ground (CG) strike to the NASA F-106B instrumented airplane is presented. The CG flash started as a lightning strike triggered by the airplane and later produced multiple return strokes to the ground (the ground strike network registered six return strokes). Although there are some uncertainties in data interpretation resulting from lack of independent measurements with other than the airborne instruments, recoil streamers and eight sequences of dart leaders followed by return strokes (two more than were indicated by the ground network) were identified in the airborne data. At least three of the subsequent return strokes were attached to the airplane. The analysis provides evidence that formation of recoil streamers and dart leaders is accompanied by a surge in continuous current. The feature is similar to that observed in the bidirectional leader development during lightning initiation on the airplane. -Authors
引用
收藏
页码:5471 / 5484
页数:14
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