Scoggins, J. R.

Smith, O. E.

English

NASA Technical Reports Server

https://ntrs.nasa.gov/search.jsp?R=19740008208 2020-03-23T12:54:48+00:00Z
N A S A  T E C H N I C A L  1 
DATA FOR FIRST NASA 
ATMOSPHERIC VARIABILITY 
EXPERIMENT (AVE J j  
Part 11: Graphical Presentation of Data 
by ]nrnes 
George C 
Marshall 
R. Scoggins arzd Owel E.  Smi:h 
Ma~shall Space Flight Center 
Space FIight Cerzteter, Ala. 35812 
NATIONAL L F R O Y L B I I I S  A B O  SPACE ADMIWI5TRATiON WASHINGTON,  D. C. DECEMBER 1973\ 
Y 
I C L M N I G A L  ncrwn I a~ A N U A K I J  I I I ~t r n u g  
1. REPORT NO. 2. GOVERNMENT ACCESSION NO. 1. RECIPIENT'S CAT*L,OG NO. 
NASA TM X-2948 
O .  T ITLE AND SUBTITLE 5 .  REPORT DATE 
DATA FOR FIRST NASA ATMOSPHERIC VARVlBILITY WPERIMENT 
(AVE I )  PART 11: GRAPHICAL PRESENTATION OF DATA 
7. AUTkOR(S) 8, PERFORMING ORGANIZATION REPOR r U 
James R. Scoeeins and Orvel E. Smith 
3.  PERFORMING ORGANIZATION NAME AND-ADDRESS 110. WORK UNIT NO. 
Texas A&PI University Aerospace Environment Division 
b l l e g e  S ta t ion ,  Texas Aero-Astrodynamics Laboratory I 1. CONTRACT OR GRANT NO. 
Marshall Space F l igh t  Center NAS8-26751 
NASA 13. TYPE OF REPOR; & PERIOD COVERED 
2. SPONSCRIWG AGENCY NAME AND ADDRESS 
Technical Memorandum 
National Aeronautics and Space Administration 
Washington, D. C. 20546 14. SPONSORING AGENCY CODE 
15. SUPPLEMENTARY NOTES 
This report  i s  published t o  make a v a i h b l e  a unique s e t  of atmospheric da ta  records 
f o r  research use by the  s c i e n t i f i c  cornwnity. The pro jec t  was conducted under t h e  
operat ional  d i r ec t ion  of M r .  Robert E. Turner of MSFC. 
16. ABSTRACT 
Thls report  presents  a graphical  representa t ion  of data  f o r  NASA's f i r s t  Atmospheric 
Var i ab i l i t y  Experiment (AVE I )  conducted during the  period February 19-22, 1964. 
Graphical representat ion is  i n  t he  form of svnoptic c h a r t s  and time cross  sect ion.  
Data taken on the AVE T. projec t  i n  1964 enabled an ana lys is  of a l a rge  s ec to r  of t h e  
eas te rn  United S ta tes  on a f i n e  reso lu t ion  time sca le .  This experiment was run i n  
February 1964, and data were co l lec ted  as  a wave developed i n  t h e  East Gulf on a 
f ron ta l  system which extended through the  ea s t e rn  p a r t  of t he  United S ta tes .  The 
primary object ive ~f AVP I was t o  i nves t iga t e  the  v a r i a b i l i t y  of parameters i n  space 
and over time in te rva ls  of t h r e e  hours, and t o  i n t eg ra t e  t he  r e s u l t s  i n t o  NASA programs 
which require  t h i s  type of information. The r e s u l t s  presented i n  t h i s  repor t  a r e  
those from one approach, and represent  only a por t ion  of t he  t o t a l  research e f f o r t  
t ha t  caL be accomplished. 
This repor t  cons is t s  of two par t s :  Par t  I - Dat? Tabulation and Pa r t  I1 - Graphical 
Presentat ion of Data. 
7. KEY WORDS 18. DISTRIBUTION STATEMENT 
Hetcorology 
Atmospheric Var iab i l i ty  
- 
19. SECURITY CLASSIF. (a t h b  '(20. ropartb 1. SECURITY CLASSIF. (of thl. pa*) 2 1 .  NO. OF PAGES 2 2 .  PRICE 
Dan&, S6.25 
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I 1 1 
bSPC - 'om 3112 (Rw December 187;) For u l c  hy Nationrl Twhnicri Inlormatlon Sewice, Springfield, Vlrdnir 221 31 
TABLE OF CONTENTS 
Page 
PRM;rJiTTPljG PAGE B W K  NOT FIL!,ID 
I. Introduction 1 . . . . . . . . . . . . . . . . . . . . . . . .  
11. Graphical Presentation of Data . . . . . . . . . . . . . . .  2 
A.  National Weather Service Surface Charts 2 . . . . . . . .  
B. Sjrroptic Charts Prepared from AVE I Data 2 . . . . . . . .  
C. Time Cross Sections Prepared from AVE I Data 2 . . . . . .  
111. Comments. . . . . . . . . . . . . . . . . . . . . . . . . .  3 
Surface Synoptic Charts prepared by the Nacional Weather 
Service f o r  the period February 17-23, 1964 5 . . . . . . . . .  
Synoptic Charts prepared from AVE I Data t o r  the period 
1500 GMT February 19 - 0000, GMT February 23, 1964 . . . . . .  15 
. . . . . . . . . . .  Time Cross Sections Prepared from AVE I Data 73 
ACKNOWLEDGENENTS 
The authors wish t o  thank M r .  Victor Corbe l l i  and M r .  Raymond Boucher 
for  finalyzing the synoptic char t s  and cross sec t ions ,  a ~ d  Miss Marilyli Kocurek 
fo r  typing and assembling both par t s .  
iii 
DATA FOR FIRST NASA ATMOSPHERIC VARIABILITY EXPERIMENT (AVE I )  
James R. Scoggins 1 
Texas AM University 
College S t a t  ion, Texas 
and 
Orvel E. Smith 2 
NASA Marshall Space F l ight  Center 
Huntsvi l le ,  Alabama 
I. Introduction 
Par t  I of t h i s  report  contains a descr ip t ion  of the AVE I experiment, 
a discussion of the basic  data  including i t s  co l l ec t ion  and methods of 
processing, estimates of data  accuracies ,  and a tabulat ion of a l l  sounding 
data  which was col lected a s  pa r t  of the AVE I experiment. This repor t  
( P a r t  11) presents a graphic11 presentat ion of the AVE I da ta  i n  the 
form of constant-pressure cha r t s  and time cross sec t ions  of various 
meteorological var iables .  I n  addi t ion ,  surface char t s  prepared by the 
Nationa l Wea &her Service a r e  includt'd. These char t s  contain surface weather 
and cloud infornat ion which i s  not portrayad on the constant-pressure char t s  
prepardd from the AVE I da ta .  
The primary Furpose of the graphical presentat ion of L. AVE I data  
i s  t o  display the time and space changes i n  various meteorological parameters 
over time in t e rva l s  f o r  which sounding da t a  a r e  usua l ly  not ava i lab le ,  and 
t o  provide the informetion i n  a f o m  which would make i t  possible f o r  a 
'professor of Meteorology and Director ,  Center fo r  Applied Geosciencas. 
'chief, T e r r e s t r i a l  Environment Branch, Aerospace Environment Division. 
researcher to i s o l a t e  regions of the atmosphere where changes occur i n  
space and/or time which might be of i n t e r e s t  t o  him i n  h i s  research. 
11. Graphical P r e s e n t a ~  :on of Data 
A. National Weather Service Surface Charts 
Surface char t s  prepared by the National Weather Service and va l id  
a t  0100 EST on each day from February 17-23, 1964 a re  presented. An 
explanation of these char t s  w i l l  not bc  given s ince  they a r e  standard and 
contain no unusual type of information. 
B. Synoptic Charts Prepared from AVE 1 Data 
Cons tant-pressure cha r t s  a r e  presented for  the 1000-, 850-, 700-, 
500-, 400-, 300-, 200-, and 100-mb leve ls  a t  i n t e r v a l s  of three hours f o r  
the e n t i r e  period of the AVE I experiment. These char t s  contain height  
contours and isotherms. Height contours a r e  label led i n  meters o r  tens 
of meters and with the f i r s t  and l a s t  d i g i t s  Crop~ed a s  appropriate.  
Isotherms have u n i t s  of degrees Celsius.  Fronts were entered on the 
char t s  when i t  was believed tha t  t h e i r  pos i t ion  could be determined with 
reasonab 
C. 
a l inear  
e ce r t a in ty ,  
Tirlle Cross Sections Prepared fromI\VE 1 Data 
Tine cross  sec t ions  with the v e r t i c a l  coordinate a s  pressure on 
sca le  were prepared f o r  nine meteorological var iab les  fo r  each 
RVE I s t a t i o n .  Cross sec t ions  were prepared f o r  po ten t ia l  temperature, 
ambient temperature, dewpoint temperature, zonal wind speed, meridional 
wind speed, s ca l a r  wind speed, r e l a t i v e  humidity, dewpoint depression, end 
geopotential  height.  Units for  each var iab le  a r e  shown on the respect ive 
cross sect ion.  In te rva ls  fo r  which contours were drawn were held constant  
insof.qr a s  possible ,  but i n  a reas  where the gradient  became so large tha t  
2 
i t  was impossible to draw a l l  contoure i t  was necessary to  vary the 
in t e rva l .  In  cases where the i n t e r v a l  was not constant a note appears on 
the cross  sect ion.  An I'M" was entered a t  the top of the cross  sec t ion  
t o  ind ica te  missing da ta ,  while an "XI' was used t o  ind ica te  questionable 
o r  erroneous data.  In  post instances when two o r  more soundings were 
missing the analysis  of the cross  sec t ion  i s  discontinuous. In a few 
instances,  such a s  i n  the ana lys is  of height f i e l d s ,  where the var iab le  
changes very l i t t l e  with time the ana lys is  was continuous even though two 
o r  more soundings were missing. Centers enclosed by contours were label led 
i n  ac tua l  values when the in t e rva l  was not constant.  
Cross sect ions fo r  two s t a t i ons ,  Mississ ippi  Test F a c i l i t y  and 
Huntsvi l le ,  Alabama, obtained sounding da ta  a t  i n t e rva l s  of 1% hours 
while the in t e rva l  f o r  a l l  o ther  s t a t i o n s  was 3 hours. Cross sec t ions  
were prepared fo r  these two s t a t i ons  fo r  the same period of time a s  the 
o ther  cross  sect ions but with twice a s  much data .  
111. Comments 
The ana lys is  of  the AVE I da t a  presented i n  t h i s  report  i s  designed 
to  portray the large time and space va r i a t i ons  i n  :he struc cure of the 
atmosphere, and to  provide a means f o r  de l inea t ing  areas  which exhib i t  
changes i n  meteorological var iab les  and conditions which might be of 
pa r t i cu l a r  i n t e r e s t  to  a researcher.  While the ana lys is  was done with 
reasonable care,  each s c i e n t i s t  using the da ta  w i l l  no doubt want t o  
perform h i s  awn analysis .  
Surface Synoptic Charts 
prepared by the 
National Weather Service 
for the period 
February 17-23, 1964 








Synoptic Charts Prepared from 
AVE I Data 
for the period 
1500 GMT February 19 - 0000 GMT February 23, 1964 
1503 GMT 
February 19, 1964 
1500 GMT 
February 19, 1964 
1800 
February 19, 1964 
1800 GMT 
February 19, 1964 
2100 Gm 
February 19, 1964 
2100 Gl4T 
February 19, 1964 
0000 m 
February 20,  I964 
0000 Gm 
February 20, 1964 

0300 CEIT 
February 20, t?W 
0600 CWT 
February 20, 1964 

0900 GMT 
February 20, 1964 
0900 GXT 
February 2Os 1964 
1200 GMT 
February 20, 1964 
1200 GMT 
February 20, 1964 
1500 GMT 
February 20, 1964 

1800 Gm 
February 20, 1964 
1800 GMT 
February 20, 1964 
2100 GMT 
February 20, 1964 
2100 CMT 
February 20, 1964 
0000 GMT 
February 21, 1964 
0000 GMT 
February 2 1 ,  1964 

0300 GMT 
February 21,  1964 
0600 GMT 
February 21, 1964 
3000 GMT 
February 21, 1964 
0900 CMT 
February 21, 1964 
1 
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. -  F., . ~ - ~ ~ . . r r c c I I c I Y a v ~ ' : r . r ' * i  . . 
vv 
0900 GMT 
February 21, 1964 
1200 GElT 
February 21, 1964 
1200 GMT 
February 21,  1964 
1500 GMT 
February 21,  1964 
1500 GMT 
February 21, 1964 
1800 GMT 
February 21, 1364 
1800 GhT 
February 21, 1964 
2100 GMT 
February 21, 1964 
2100 GMT 
Feblvary 21, 1964 
0000 P T  
Fehniary 22, 1964 
0000 GMT 
February 22,  1964 
0300 GMT 
February 22, 1964 
0390 GXT 
February 2 2 ,  :964 
0600 GMT 
February 22,  1964 
0600 GM"I 
February 22, 1964 

0900 GMT 
February 2 2 ,  1964 
1200 GMT 
February 22, 1964 
1200 GMT 
February 22, 1964 
1500 GMT 
February 22 ,  1964 
1500 GMT 
February 22, 1964 
1800 GMT 
February 22,  1964 
1800 Gm 
February 22, 1964 
2100 GMT 
February 22, 1964 
2100 Gm 
February 2 2 ,  1464 
0000 Grn 
February 23, 1964 
0000 GMT 
February 23, 1964 
Time Cross Sections 
prepared fron AVE I Data 
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Data for first NASA Atmospheric Variability Experiment (AVE 1). Part 2: Graphical presentation of data

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