Seen
individual cells dritting eastrard.
“ovenect of ths cen, sear
mniwetok to a cosition southeast of Lajuso gave sercsg so7cthe
westerly Tlow in the local erea on 28 Pebruary esd wes south
west flow on ] Larch, replacing the light variatle winds wicd
existed on 23 = 25 February.
Contimed southward sotioe end
aprreach of following cell from west brought west to -smbsest
flow on 2 and 3 March.
(4)
At 50,000 feet, the slow mvenent of the clockwise ci~
culation from a position northwest of Exnitwetok to south of
Lajuro changed the flow gradually ‘rea north northwest to
wes. southwest.
Atter 1 clarch this circulation continue’ its
moveznent to the southeast and weakened, vith flow in *he local
area becacing west northwesterly.
(5)
ast 60,00 feet, no clearly defined trend was preset.
{_\
“inds were suite light and erratic at this level, with easterly
flow at higher levels.
These variable winds persisted through
B2aV0 plus 3 days.
d.
Differences between forecast and cbserved winds:
In sega
to the differences between forecast and observed winds, reference
is cade to a report of Froiest 4.5, JTF THSEE, by Pacaer, lille,
and Stopinski.
This report stcted that studies of the chserve-
oN
tional errors in upser wind ccservations tan by GO/1 eztmex
indicated thet for wind speeds above 10 imots, azpreximstelr if
per cent of the observations varied ty sore than 20 degrees, ere
em d
tei
when the chservations wese rade by several ciffierent Goss =: 3,
but with the seme aisberne unit.
The differences Setwees. forecast
a