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t' . * . , US ARMY RESEARCH & DEVELOPMENT ELECTRONlCS 4 z .. . ACTlVlTY MFllEOROUXZICAL DATA KEPOrrit AERO= NASA 127 U4 (S/R AF 142) (15 April 1965) BY MARJORIE McIAKDIE HOIDALE P (TH U) I e P - ? . I (CODE1 g27 ICATEOORYI r .' 2 tHASA CR OR TUX OR AD NUMBER) a NEW MEXICO

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BY
a
(15 April 1%5)
*
.
Meteorological data gathered for the launching of Aerobee NASA 127 UA (S/N AF 142) are presented for the National Aero- nautics and Space Administration and far ballistic studies. with calculated ballistic data, in Appendixes
The data appear, along
ili
ABSTRACT
IdFIIRcIDuGpI~
DISCUSSIOIV -
A.
B.
C.
I>.
.Calculated Rocket Performance Values and Table of Bal l i s t ic fic$ms . - - .. . 0 . 0 - - - - 0 . 0 . 0 - Anemormeter Recordings of Wind Speed and Direction and Pilot-Balloon-Measured Wind Data fram the Surface t o 4,OC)OFeet. - . . - . . . . - - - - - - - - - . . Tables of Upper Air Data- - - - - - - - - - - - - - - m c t Prediction Data- - - - - - - - - - - - - - - -
iii
1
1
3
7
11
33
V
Aerobee W A 127 UA FBcility personnel, 15 April ,1965.
(S/N AF 142)- was launched by N*S;l Ordnance Xissile Whit& Sands Missile Range, New Mexico, at 0345 hours
Meteorological data used i n con junction with theomt ica l cr lculat ions t o pred ic t rocket impact mm collected by the Meteorological Support Divi- sion, U, 5, Array Ble$tronia Reserrch urd Dovolapnaent Activity, white Sands M88ile Rmp, Now Mdxlco, The impact predictors for this firing were Ivan I. Iayton and Gordon L. Dunaway.
DISCUSS1 ON
Wind data f o r the first 4,000 feet abow the surface were obtained frah a Double-Theodolite Wind Velocity Computer System [l]. Balloons released a t the launch site were observed and tracked from a 2,000-foot baseline. Continuous angular data were transmitted from two e l e c t r i c a l l y instrumented theodolites t o a computer where the data wem reduced t o ob- t a i n a velocity-vs-height relationship, The canputer output drive8 two recorders which t race north-south and east-west canponqnts on a spec ia l ly designed wind velocity canputer b a l l i s t i c chart, I t i s possible te read d i rec t ly ftwn the chart both the mean wind canponent values and the mean b a l l i s t i c wind caaponents i n the various b a l l i s t i c l a y e n ,
Temper'ature, pmssure md humidity data, along with upper wind data from 4,000 t o approximately 75,000 feet above the surface, were dbtaineq f r o m standard rawinsonde operations.
Mean wind component values in each b a l l i s t i c tone were dotexmined fran ver t ica l cross sections by the equal-area method,
Data dppearing i n Appendix D are based on the E. L. Walter [2] theory. The "Pmdicted Impact" includes, where applicable, an adjustment of impact based on the experience of t h e impact predictor and the forecast of f i r i n g time wind conditions.
111. "Double-Theodolite Wind Velocity Computer," UNCLASSIFIBD, U, S. Amy Signal Research and Development Laboratory, Port Monmotrth, New Jersey, July 1959,
Missile h t6oro logy Mvision, tJ. S. Amy Signal Missile Support Agency, White Sands Missile Rdnge, New Mexico, June 1962.
[2] . Walter, E. L. , "Six-Variable Baiiistic b i o i fo r a itocket,"
1
PAGE
4
PAYLOAD 244.0 Pounds*
UNIT WIND EFFECT Surface t o 2,000- 2.75 Mlles/MPH (3) 2,000 t o ~OO,OOO.-FP 4.96 Miles/m
M W E R TILT EFFECT 20.15 mles/beg_ree
BURNOUT:
51.8 Seconds
TOTAL TIME -OF FLIQIT 467 Seconds
CORIOLIS EFFECT (West)
*Includes Bosecone Weight
6.40 Miles
(3)An empirical correction has been made t o the uni t wind e f fec t f r o m , 143 t o 2,000 &et. s t a t i s t i c a l studies.
This correction was determined from
Dunaway, G. L., "An Empirical Technique for Improving Aerobee- H i Impact Predictions, "Meteorological Support DicLsion, U. S. Amy Electronics Research and Development Activity, White Sands Missile Range, New Mexico, May 1964.
4
AEROBEE HASA 127 UA (S/N AF 142)
BALLISTIC FACTOR
5,000 - 10,000
10,000 - 15,000
15,000 - 20,000
20,000 - 25.,000
25,000 - 30,000
30,000 - 35,000
35,000 - 40,000
40,000 - 45,000
45,000 - 50,000
50,000 - 60,000
60,000 - 70,000
70,000 - 80,000
AND - PILOT-BALLO~V-MASURED WIND DATA FORM i43 TO 4,900 FEET
AEROBEZ ISASK 127 UA (S/H AF 1421
PAGE -
7
p1*0
3.0 14.0 8.0
20.0 I 14.0 I 14.0 I 11.0 128.0 I 12.0
9
I .
6 I 1
0347 r 1
TABLES OF UPPBR A I R DATA
AEROBEE HASA 127 UA (S/N AF 142)
PAGE - Mean Wind Cowponents f o r Ba l l i s t i c Zones (4,000 t o 20,000 Feet) - - - - - - - - - - - - - - - - - - 12
Mean Wind Components for Ba l l i s t i c Zones (4,000 t o 100,000 Feet)- - - - - - - - - - - - - - - - - - 13
Upper A i r Data (Release Time: 2130 BBT, 14 April) - - - - 14
25) Qger A i r Data (Release Time: 0001 E T , 15 A p r i l ) - - - - Upper A i r D a t a (Release Time: 0345 MST, 15 A p r i l ) - - - - 26
11
I
MFWf WIlUl CQMPONEWTS FOR BALLISTIC Z O m IN KN(Trs
HEIrEASE NO. 1 1 FUZIEASE TIME I
4,000 - 5,600
0.0
5.S
8
RELEASE NO. 1
70,000 - 80,000 I
UPPER AIR DATA
AEROBEE IUUA 127 UA (S/N AIP 142) MEAN WIND COMPONENTS FOR BALLISTIC ZONES IN KNoTS
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AEROBEZ NASA 127 UA (S/N AF 1k2)
IMPACT PREDICTION DATA
APPENDIX D*
IMPAa P R E D I m I O N DATA
p = Double Theodolite Winds (143-4,OOO Ft) R = Rawinsonde Winds (Above 20,000 Ft) R1 = Rawinsonde Winds (!+,OOO-20,000 Ft) R2 = Rawin Winds ( 4,000-20,OOO Ft)
* Post-Shoot Data 34
IMPACT PREDICTION DATA
3Acll SETTINGS
West leg 22 inches E a s t leg 0 inches
LAUNCHER SETI'INC
COMPONENTS OF TILT*
NO WIND IMPACT
24.4 miles north of Navy Blockhouse 35.9 miles east of Navy Blockhouse - - PREDICTED IMPACT
0 miles E-W of Navy Blockhouse - -85. miles north of Navy Blockhouse
PREDIClED BOOSTER IMPACI'
Recanmendation Fire
With 80 S confidence of impacting on range, based upon: - wind correction 62 m i 10s
me hour wind var i ab i l i t y 12 miles
Date/Time 15 April 1965/0340 BST
Actual Impact ( F n Lamcher)
Actual Booster Impact (From Latmcher)
miles north, 14.0 miles west
N/A
35
C-IHG
Approval. Data Report ERDA-310 has been reviewed and approved for publication:
aM& CHRIS H. ROACH Acting Chief Met e or olog i ca l Support D i v i 8 i on
Major, Signal Corps Director Environmental Sciences Directorate
Distribution. This report has been d is t r ibu ted i n accordance with SELWS-E List No. 1. I n i t i a l pr int ing 84 copies.
36
,
1. Data Report ERDA-310 has been prepared under the 8upel.Vision of the Meteorological Suppart Division and is published for the information and guidance of all concerned.
2. Suggestions or c r i t i c i s m re l a t ive t o the form, contents, purpose, or use of th i s publication should be referred t o the Canaaanding Officer, U. S. Arpqy Electronics Research and Development Activity, A": SEW-E, White Sands Missile Range, New Mexico.
FOR THE C W E R :
2d Lt., AGC Ad ju tan t
37