SNOW SURVEY PROGRAM

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP99B00048R000100170005-5
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 3
• Document Creation Date: December 12, 2016
• Document Release Date: July 30, 2002
• Sequence Number: 5
• Publication Date: February 13, 1969
• Content Type: CABLE

Approved For Release 002/08/26 : CIA-RDP99B00048R0001 170005-5
On file DOC release instructions apply.
S E C R E T
IN 32819
TOR 13/2051Z FEB 69 EWM
S E C R E T 13201 1Z FEB 69 CITE
PRIORITY INFO
IDEALIST F
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SUBJECT: SNOW SURVEY PROGRAM
1. THIS HQ HAS BEEN REQUESTED TO SUPPORT AN EXPERIMENTAL
PROGRAM OF THE DEPT OF COMMERCE WHICH WILL ATTEMPT TO PREDICT FUTURE
WATER RESOURCES FROM SPRING RUN OFF OF MOUNTAIN SNOW COVER. THIS
PROGRAM WILL BE HANDLED ON A LOW PRIORITY BASIS AND BE ACCOMPLISHED
IN CONJUNCTION WITH SCHEDULED PRIORITY TRAINING/FLT TEST ON A
NONINTERFERENCE BASIS.
2. REQUIREMENT IS FOR T-35 TRACKER PHOTOGRAPHY FLOWN IN EITHER
.C OR R MODEL OF THE FOLO FLIGHT LINESs
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3. FLIGHT LINES MAY BE FLOWN IN EITHER DIRECTION AT THE
BEGINNING OR END OF SCHEDULED FLIGHTS. BOTH FLT LINES MAY BE COVER
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S E C R E T
ON SAME FLIGHT AT DET G DISCRETION.
4. CAT II (LESS THAN 25 PERCENT CLOUD COVER) WEATHER 20 NM
EACH SIDE OF TRACK SHALL BE THE CRITERION FOR SUCCESSFUL AREA COVERAGE.
HOWEVER, REQUEST ALL TAKE, BOTH ON FLT LINES AND AREA OVER MOUNTAINS
BETWEEN FLIGHT LINES REGARDLESS OF CLOUD COVER, BE FORWARDED PER
INSTRUCTIONS BELOW.
5. REQUEST A MINIMUM OF ONE' SUCCESSFUL FLIGHT OVER EACH FLIGHT
LINE DURING FOLG PERIODS:
A. 25 FEB THRU 4 MAR
B. 27 MAR THRU 4 APR
C. 26 APR THRU 4 MAY
D. 27 MAY THRU 4 JUN
E. ADDITIONAL COVERAGE ON FLT LINE A ONLY DURING INTERMEDI-
ATE PERIODS IS DESIRED BUT NOT REQUIRED.
6. FOR FLIGHTS PARA 5A THRU D USE TYPE 3404 FILM EXPOSED FOR
MAXIMUM DETAIL IN SNOW COVER. IF POSSIBLE, ONE FLIGHT PARA 5E SHOULD
USE SO121, EKTACHROME. (NOTE: IS FLOWN, PROGRESSING HANDLING DETAILS
WILL FOLLOW)
4, TAKE SHOULD BE PROCESSED AT DET G FOR, NORMAL MISSION ANALYSIS
AND TO DETERMINE MISSION SUCCESS PER PARA 4 AFTER ANALYSIS SECTIONS
OF ONE COVERING FLIGHT TRACKS AND INTERVENING AREA OVER MOUNTAINS TO BE
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PAGES SECRET
SHIPPED TO PROJECT HQ AS FOLLOWS$
A. FILM IS UNCLASSIFIED,
B. FOLG CLASSIFIED DATA SHOULD ACCOMPANY FILM:
(1) DATE OF FLIGHT
(2) GMT AND PRESSURE ALTITUDE AT BEGINNING AND END OF
EACH FLIGHT SEGMENT.
C. PACKAGE SHOULD BE INTERNALLY ADDRESSED TO SECURITY FOR DELIVERY
SHIP VIA AVAIL COURIER ON NON-PRIORITY BASIS.
S. PART II, INDICATE FLIGHTS SCHEDULED FOR SNOW
SURVEY. PART I REMARKS TO INCLUDE PILOTS ESTIMATE
SUCCESS OF COVERAGE. REQUEST NOTIFICATION ASAP AFTER FILM ANALYSED
CHANGES AFFECTING SUCCESS ESTIMATE REPORTED IN
9, PLEASE ADVISE NAME OF
PROJECT OFFICER FOR SNOW SURVEY PROGRAM.
END OF MSG
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Approved For Release 2002/08/26 : CIA-RDP99B00048R000100170005-5