Post on 19-Jan-2016
RADIOSONDES
SAMPLING THE UPPER ATMOSPHERE
EARLY MET KITE
INCLUDED SENSORS, DATA RECORDER
METEOROGRAPH
ALSO INCLUDED SENSORS, DATA RECORDER
AIRCRAFT MET
1925 AIRCRAFT INSTRUMENTED WITH MET SENSORS/RECORDER
PILOT BALLOON
1930 PILOT BALLOON RELEASE
1936 RADIOSONDE
NEWLY DEVELOPED TRANSMITTERS ENABLED BALLOON LAUNCHES
EARLY ANTENNA
1955 NWS RADIOSONDE TRACKING ANTENNA SYSTEM
RADIOSONDE PREP
PREPARING RADIOSONDE AND BALLOON FOR LAUNCH
RADIOSONDE
TYPICAL CURRENT RADIOSONDE
BALLOON LAUNCH
RADIOSONDE LAUNCH CAPE CANAVERAL
BALLOON ALOFT
RADIOSONDE, BALLOON, AND PARACHUTE ALOFT
JIMSPHERE LAUNCH
JIMSPHERE LAUNCH CAPE CANAVERAL
MET DATA PLOT
TYPICAL PLOT OF TEMPERATURE, PRESSURE, AND HUMIDITY
WIND DATA PLOT
TYPICAL PLOT OF WIND DIRECTION COMPONENTS
TEMP. PLOT
TYPICAL PLOT OF TEMPERATURE VERSUS ALTITUDE
Temperature Versus Geometric Height
0
2
4
6
8
10
12
14
16
18
20
0 500 1000 1500 2000 2500 3000 3500 4000
Geometric Height in Meters
Tem
per
atu
re D
eg C
HUMIDITY PLOT
TYPICAL PLOT OF HUMIDITY VERSUS ALTITUDE
Humidity Versus Geometric Height
0
10
20
30
40
50
60
70
80
90
100
0 1000 2000 3000 4000 5000 6000 7000 8000
Geometric Height in Meters
Re
lati
ve H
um
idit
y %
HUMIDITY PLOT
TYPICAL PLOT OF HUMIDITY VERSUS ALTITUDE
Pressure Versus Geometric Height
0
100
200
300
400
500
600
700
800
900
1000
0 5000 10000 15000 20000 25000 30000 35000
Geometric Height in Meters
Pre
ssu
re h
Pa
GPS SATELLITE
GLOBAL POSITIONING SYSTEM
HOW GPS WORKS
PRECISE POSITION DETERMINED BY MEASURING THE ARRIVAL TIMES OF SIGNALS FROM AT LEAST FOUR GPS
SATELLITES
GPS ORBITS
ORBITAL PLANES OF CURRENT 24 SATELLITE GPS CONSTELLATION
XBT
EXPENDABLE BATHYTHERMOGRAPH PROBE MEASURES OCEAN
TEMPERATURES