[Scan-DC] 9:54PM EST in suburban MD, Sonic boom or thunder?

[Ed Tobias]

>They go "CRACK - CRACK.


You're absolutely right.  I've heard sonic booms several times as the space 
shuttle has returned from space.  It's always that sharp, boom-boom, each 
boom lasting a second or less.  I, too, heard the rumble last night here 
near Rockville.  Sure sounded like thunder to me.

Ed

----- Original Message ----- 
From: <b_thom at juno.com>
To: <Scan-DC at mailman.qth.net>
Sent: Wednesday, January 25, 2006 12:21 PM
Subject: Re: [Scan-DC] 9:54PM EST in suburban MD, Sonic boom or thunder?


>
>
> On Wed, 25 Jan 2006 12:02:35 -0500 "Cathy Drzyzgula"
> <cathy at drzyzgula.org> writes:
>> So these sounds were heard in Beltsville, Gaithersburg, Alexandria
>> and
>> Frederick county, all within 15 minutes.  Is this something that
>> fits with
>> sonic booms?
>
> No. A sonic boom is sharper, and there are two wavefronts. They go "CRACK
> - CRACK." Sorry for the shouting.... I am four miles south of the
> Pentagon, and I **vividly** recall hearing the fighters arrive soon after
> Flight 77 crashed into the Pentagon.
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