Voveness of the cell sear
riwetok to a position southeast of Lajuro gave strseg socthe
westerly flow in the local area on 28 Pebruary end west socuthe
Tm een etre ee ve
f
incividual cells drifting eastrard.
i
west flow on 1 Larch, replacing the light variable winds wich
existed on 23 = 25 February.
Contimed southward notlor end
aprreach of following cell from west brought west to -ombrest
flow on 2 and 3 March.
(4)
&t 50,000 feet, the slow mvement of the clockwise cim
culation from a position northwest of Eniwetok to south of
:
LMejuro changed the flow gradually froma north northrest te
west southwest,
After 1 Marsh this cireulstion continued its
movenent to the southeast and weakened, vith flow in the local
area becoming west northwesterly.
(5)
at 60,00 feet, no clearly defined trend was presext.
a
“Winds were suite light and erratic at this level, with easterly
flow at higher levels.
These variable winds persisted through
BRAVO plus 3 days.
ad.
:
Differences between forecast and observed winds:
In zegard
to the differences between forecast and observed winds, reference
is made to a report of Proiest 4.5, JTF THE==, by Pacmer, ilier,
and Stopinski. This repost stcted that studies of the observa-
iN
tional errors in upzer wind czservations teen by GO/l ezsimem
inéicated thet for wind speeds above 10 imots, arpreximatelr 1f
per cent of the observations varied ty core than 20 degrees, eva:
om ie
when the chservetions were rade by several ciflerem Grows sts,
but with the same 2irberne unit.
re cifferences Setweer forecast
poesia
w
be