WMOD00538

• Title: Remote Sensing fo Gravity Waves and their Effect on Cloud Development
• Date: 5/1/1978
• Weather Modification - Doc Type: Report

TABLE 1

';

WAVE DATA

Apparent Direction of
Date Source, Propagation Velocity Wavelength Period
Altitude (OON-180') S) (m/sec) (km) (hrs)
28 .Jun 72 Thunder- 1800 (curved 20 220 31.0
-'!' storm wavefront)
14 km
24 Nov 72 Jet Stream 1800 (curved 17 162 2.5
/ Divergence wavefront)
9 km
2 Dec 72 Jet Stream 1350 14 188 3.6
Shear
9 km
14 Jan 72 Jet Stream 1700 16. 151 2.6
Divergence
9 km
Jet Stream SE 16 151 2.6
Shear
9km

..

Table 2. . Effect of lifting profile on total c]oud depth, number of
clouds and rainfall

L1 fti n9
rate
(em 5-1)

Top of 1200 G.m.t. case.
lifting Total No. of Total
O,Pa) depth (km) clouds rain (rrfil)

1800 G.m.t. case
Total tic. of To tar-
d~~pth (km) clouds rain (nu)

.'

o
20
20
20

70
50
20

o
12.5
17.6
21.1

o
2
3
3

o
50.8
62.8
85.7

8.6
. 18.4
19.0
22.8

1
3
4
4

47.3
74.3
62.8
74.8