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Transcript of © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1...
![Page 1: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/1.jpg)
© Crown copyright Met Office
John Nash1, Tim Oakley1, Mark Smees1, S.Kurnosenko2and Li Wei3
1Met Office, Fitzroy Road, Exeter, EX1 3PB, [email protected] Observation Centre, China Meteorological AdministrationNo. 46 Zhongguacun, Nandajie, BEIJING 100081, China
Initial Results from the WMO Radiosonde Intercomparison,Yangjiang, China, July 2010
![Page 2: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/2.jpg)
Li Wei, Chinese Project Leader
![Page 3: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/3.jpg)
WMO team, Project Leader Tim Oakley
Remote sensing, Mark Smees,Data handling, Gonzague Romanens
![Page 4: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/4.jpg)
WMO team, Project Leader Tim Oakley
Remote sensing, Mark Smees
![Page 5: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/5.jpg)
WMO team, Data manager, Sergey Kurnosenko
![Page 6: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/6.jpg)
Holger Vomel, Scientific Sounding Systems Leader
![Page 7: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/7.jpg)
Test took place from 13 July to 1 August at the Atmospheric Observatory, Yangjiang, Guangdong, China
![Page 8: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/8.jpg)
62 Quality Radiosonde Test flights10 Scientific Sounding test flights
balloons and flight rig prepared by 15 Chinese radiosonde test experts selected from radiosonde stations across
China
![Page 9: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/9.jpg)
Burst Height (m) & Pressure
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71
Flight Number
Height
(
m
)
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
Pressure
Burst Height Burst Pressure
![Page 10: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/10.jpg)
Company Ground System Radiosonde Temperaturesensor
Humidity sensor
Intermet iMet-3200 iMet2 Bead thermistor Thin filmCapacitor(E+E)
Modem SR2K2 M2K2DC Bead thermistor Capacitivepolymer
Graw Radiosonde GmbH
GS-E DFM-09 Thermistor Thin filmCapacitor(E+E)
Meteolabor ARGUS 37 SRS-C34 Thermocouple Hygroclip Rotronic*Snow White hygrometer
Nanjing Da Qiao
Machine Co Ltd
L-BandGFE1 type
GTS1-2digital
Cylindricalthermistor
HS02Humicap
Jin Yang GL-5000PB RSG-20A NTC Thermistor Thin filmCapacitor(E+E)
Mesei Co. LTD RD-06G RS-06G Thermistor Capacitance polymer
Vaisala Oyj DigiCora, MW31 RS92-SGP Capacitive wire Thin film capacitor, heated
twin sensor
Beijing Chang Feng Surface Acoustic
wave Co.
GPS Radiosounding
System
CF-06-A Bead resistance
Thin filmCapacitor
China HuaYun HY-GTS(U) GTS(U)1-1 Bead thermistor Thin filmCapacitor(E+E)
Lockheed Martin
Sippican INC
LMG6 GPSLMS6 Radiosonde
GPS Multithermistor
LMS6 Radiosonde
Chip thermistor Thin filmCapacitor(E+E)
![Page 11: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/11.jpg)
Changfeng
Huayun DaqiaoVaisala
LMS
![Page 12: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/12.jpg)
Graw Intermet
Meisei
Meteolabor
Jinyang
![Page 13: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/13.jpg)
![Page 14: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/14.jpg)
![Page 15: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/15.jpg)
![Page 16: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/16.jpg)
Highest measurement
![Page 17: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/17.jpg)
Balloon rate of ascent, m.s-1
![Page 18: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/18.jpg)
![Page 19: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/19.jpg)
![Page 20: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/20.jpg)
Merged preliminary resultsfor quality radiosondes
• Not to be reproduced
![Page 21: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/21.jpg)
Preliminary simultaneous nighttime temperature differences [K],Yanjiang,2010
-1.40
-1.20
-1.00
-0.80
-0.60
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
HEIGHT[KM]
TEMP
ERTA
URE
DIFF
EREN
CE [K
]
MEISEI
VAISALA
DAQIAO
CHANGF
HUAYUN
LM
INTERMSA
MODEM
GRAW
ML
JINYANG
![Page 22: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/22.jpg)
Estimates of random error in nighttime temperature measurements [K]Yangjiang, 2010
0.00
0.20
0.40
0.60
0.80
1.00
1.20
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
Height [km]
Estim
ate o
f ran
dom
erro
r in
Tem
pera
ture
[K
]
MEISEI
VAISALA
DAQIAO
CHANGF
HUAYUN
LM
INTERMSA
MODEM
GRAW
ML
JINYANG
![Page 23: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/23.jpg)
Preliminary simultaneous daytime temperature differences [K], Yangjiang 2010
-1.40
-1.20
-1.00
-0.80
-0.60
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
Height (km)
Tem
pera
ture
diff
eren
ce (K
)
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
MEIS_REF
3THERM
VAIS_REF
![Page 24: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/24.jpg)
Estimates of random error in nighttime temperature measurements [K],Yangjiang, 2010
0.00
0.20
0.40
0.60
0.80
1.00
1.20
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
Height [km]
Estim
ate
of ra
nom
err
or in
tem
pera
ture
[K]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
MEIS_REF
3THERM
VAIS_REF
![Page 25: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/25.jpg)
Preliminary simultaneous geopotential height differences [gpm],Yangjiang , 2010
-140.00
-120.00
-100.00
-80.00
-60.00
-40.00
-20.00
0.00
20.00
40.00
60.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
Height [km]
Geo
pote
ntia
l hei
ght d
iffer
ence
[g
pm]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
3therm
![Page 26: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/26.jpg)
Estimates of random error in geopotential height measurements [gpm],Yangjian, China, 2010
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
220.0
0 5 10 15 20 25 30 35 40
Height [km]
Estim
ate
of ra
ndom
err
or in
geo
pote
ntia
l hei
ght
[ gpm
]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
![Page 27: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/27.jpg)
Relative humidity night time differences as a function of relative humidity at pressure greater than 500 hPa (Temperatures greater than 0 deg C), Yangjiang
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
14
0 10 20 30 40 50 60 70 80 90 100
Relative humidity [per cent]
Rela
tive
hum
idity
diff
eren
ce [
per c
ent]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
ML_SW
![Page 28: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/28.jpg)
Relative humidity differences as a function of relative humidity at pressures greater than 500 hPa, [Temperatures higher than 0 deg C], daytime, Yangiang
-8.0
-6.0
-4.0
-2.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0
Relative humidity [per cent]
rela
tive
hum
idity
diff
eren
ce
[per
cen
t]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
meisei-LM
ML-LM
JINYANG
ML_SW
![Page 29: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/29.jpg)
Estimates of random error in nighttime relative humidity measurements at pressures higher than 500 hPa [temperatures higher than 0 deg C], Yanjiang, 2010
0
1
2
3
4
5
6
7
8
0 10 20 30 40 50 60 70 80 90 100
Relative Humidity [per cent]
Estim
ated
rand
om re
lativ
e hu
mid
iity
errr
or[p
er c
ent]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
ML_SW
![Page 30: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/30.jpg)
Estimates of random error in daytime realtive humidity measurements at pressures higher than 500 hPa [temperatures higher than 0 deg C], Yangjiang, 2010
0
1
2
3
4
5
6
7
8
0 10 20 30 40 50 60 70 80 90 100
Relative humidity [per cent]
Estim
ated
ran
dom
err
or in
rela
tive
hum
idity
[pe
r cen
t]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
ML_SW
![Page 31: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/31.jpg)
Relative humidity differences as a function of relative humidity pressures between 200 and 500 hPa[Temperatures between 0 and -40 deg C approx], nighttime, Yangjiang
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
14
16
18
20
22
0 10 20 30 40 50 60 70 80 90 100
Relative humidity [per cent]
Re
lati
ve
Hu
mid
ity
dif
fere
nc
e [
pe
r c
en
t]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
ML_SW
![Page 32: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/32.jpg)
Relative humidity differences as a function of relative humidity .pressures between 200 and 500 hPa [Temperatures between 0 and -40 degC approx] daytime, Yangjiang
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
14
16
18
20
22
0 10 20 30 40 50 60 70 80 90 100
Relative humidity [per cent]
Re
lati
ve
hu
md
ity
dif
fere
nc
e[
pe
r c
en
t]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
ML_SW
![Page 33: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/33.jpg)
Estimated random error in relative humidity measurements, night time, pressure between 200 and 500 hPa, Yangjiang, 2010
0
2
4
6
8
10
12
14
16
18
20
0 10 20 30 40 50 60 70 80 90 100
Relative humidity [per cent]
Ra
nd
om
err
or
in r
ela
tiv
e h
um
idit
y
[pe
r c
en
t]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
ML_SW
![Page 34: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/34.jpg)
Estimated random error in relative humdity measurements, day time, pressure between 200 and 500 hPa, Yangjiang, 2010
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
0 10 20 30 40 50 60 70 80 90 100
Relative Humidity [per cent]
Es
tim
ate
d r
an
do
m e
rro
r in
re
lati
ve
hu
mid
ity
[p
er
ce
nt]
LM
VAISALA
DAQIAO
CHANGF
HUAYUN
INTERMSA
MODEM
GRAW
MEISEI
ML
JINYANG
ML_SW
![Page 35: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/35.jpg)
Radiosondes allowed on Scientific sounding instrument (SSI) flights were:
Cryogenic Frost point hygrometer (CFH)
Meisei fast response temperature sensor
LMS Multithermistor LMS6 Radiosonde
Vaisala reference radiosonde ( DryCap frost point measurement)
Graw DFM-09 radiosonde [limited number of flights]
![Page 36: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/36.jpg)
Science flightnight
![Page 37: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/37.jpg)
Science flightnight
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Science flightday
![Page 39: © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com.](https://reader035.fdocuments.us/reader035/viewer/2022062217/56649e2c5503460f94b1b399/html5/thumbnails/39.jpg)
Science flightday
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