HALO AC3

Flights Perfomed

DateFlightFlight
Duration
ObjectiveLaunched # Dropsondes
25 Feb 2022HALO-AC3_20220225_HALO_RF0004:41:19HALO Scientific test flight
2
10 Mar 2022HALO-AC3_20220310_P5_RF0002:00P5 Scientific test flight
11 Mar 2022HALO-AC3_20220311_HALO_RF0103:03:03HALO Transfer flight to Kiruna
12 Mar 2022HALO-AC3_20220312_HALO_RF0208:22:01HALO Warm air intrusion #1, day #120
13 Mar 2022HALO-AC3_20220313_HALO_RF0308:48:19HALO Warm air intrusion #1, day #223 (2 failed)
14 Mar 2022HALO-AC3_20220314_HALO_RF0408:33:34HALO Warm air intrusion #1, day #311 (1 failed)
15 Mar 2022HALO-AC3_20220315_HALO_RF0508:41:50HALO Atmospheric river #1, day #125
16 Mar 2022


HALO-AC3_20220316_HALO_RF06


09:29:02


HALO Atmospheric river #1, day #2
collocated leg with the FAAM BAe-146
overpass of NyRAD35
25 (2 failed)


20 Mar 2022




HALO-AC3_20220320_HALO_RF07


09:08:17
Day before cold air outbreak #1
Collocation of all three aircraft
HALO


18 (1 failed)
HALO-AC3_20220320_P5_RF0104:12P5 Colloc. with P6 over sea ice & ocean12
HALO-AC3_20220320_P6_RF0104:40P6 Low level clouds & aerosol
21 Mar 2022



HALO-AC3_20220321_HALO_RF08


07:46:53

Cold air outbreak #1
HALO Coordination with in‐situ measurements by the FAAM on one leg

13

22 Mar 2022



HALO-AC3_20220322_P5_RF02
HALO-AC3_20220322_P5_RF03

01:35
04:15
Cold air outbreak (CAO) #1
P5 On board support by Özden Terli
P5

2
10
HALO-AC3_20220322_P6_RF0205:30P6 In-situ cloud & aerosol
24 Mar 2022 HALO-AC3_20220324_P6_RF0305:24P6 In-situ cloud & aerosol
HALO-AC3_20220324_BELUGA_RF00
HALO-AC3_20220324_BELUGA_RF01
00:59
01:01
BELUGA Test flight
BELUGA Profile
25 Mar 2022HALO-AC3_20220325_P5_RF0404:56P5 Boundary layer flight (CAO) over MIZ 4
HALO-AC3_20220325_BELUGA_RF0200:45BELUGA Profile
26 Mar 2022HALO-AC3_20220326_P6_RF0404:00P6 Low level clouds of CAO
28 Mar 2022



HALO-AC3_20220328_HALO_RF09


07:27:30

Cold air outbreak #2
HALO Incl. convergence along sea ice border
22 (6 failed)
HALO-AC3_20220328_P5_RF0504:35
P5 Cloud streets in Svalbard lee
15
HALO-AC3_20220328_P6_RF05

04:50

P6 Moderate CAO and cloud streets west of Svalbard
HALO-AC3_20220328_BELUGA_RF04
HALO-AC3_20220328_BELUGA_RF05
01:00
01:03
BELUGA Profile
BELUGA Profile
29 Mar 2022




HALO-AC3_20220329_HALO_RF10



08:23:57


Cold air outbreak #2
HALO East of Svalbard; coordination with FAAM and SAFIRE ATR42 aircrafts; first circle with dropsondes

18


HALO-AC3_20220329_P5_RF06

HALO-AC3_20220329_P5_RF07

01:01

05:10

P5 Test of noseboom; on board support by Alexander Riedel
P5 Boundary layer study over sea ice and open ocean

5
HALO-AC3_20220329_P6_RF06

05:28

P6 Stack profile patterns, in-situ clouds and aerosol measurements
30 Mar 2022




HALO-AC3_20220330_HALO_RF11



08:24:22


Cold air outbreak #2
HALO Langrangian mesoscale divergence circles; collocated measurements with the FAAM and SAFIRE ATR42
32

HALO-AC3_20220330_P5_RF08
04:23
P5 Weak outflow of CAO
15
HALO-AC3_20220330_P6_RF07

05:00

P6 Racetack pattern in the vicinity of the HALO flight track
01 Apr 2022



HALO-AC3_20220401_HALO_RF12


08:10:37

Cold air outbreak #2
HALO Rectangular divergence pattern sea ice edge
46 (5 failed)
HALO-AC3_20220401_P5_RF09

05:02

P5 Cloud streets in different stages collocated with P6 and HALO
18

HALO-AC3_20220401_P6_RF0805:13
P6 Coordinated flights with HALO and P5
03 Apr 2022


HALO-AC3_20220403_BELUGA_RF06
HALO-AC3_20220403_BELUGA_RF07
HALO-AC3_20220403_BELUGA_RF08
01:01
00:45
02:24
BELUGA Profile
BELUGA Profile
BELUGA Sampling
04 Apr 2022



HALO-AC3_20220404_HALO_RF13


08:52:01

Cold air outbreak #2, collocated flights
HALO 3 objectives flight (ice edge, cirrus, water vapour)

13

HALO-AC3_20220404_P5_RF1004:16
P5 CAO and convergence
14
HALO-AC3_20220404_P6_RF0904:20
P6 Clouds over open water
HALO-AC3_20220404_BELUGA_RF09
HALO-AC3_20220404_BELUGA_RF10
01:04
00:47
BELUGA Profile
BELUGA Profile
05 Apr 2022




HALO-AC3_20220405_P5_RF11


04:20
Wing-by-wing flight and collocation between P5 & P6
P5


10
HALO-AC3_20220405_P6_RF1004:30
P6 On board support by Alexander Gerst
HALO-AC3_20220405_BELUGA_RF11
HALO-AC3_20220405_BELUGA_RF12
HALO-AC3_20220405_BELUGA_RF13
01:03
02:09
01:06
BELUGA Profile
BELUGA Sampling
BELUGA Profile
07 Apr 2022


HALO-AC3_20220407_HALO_RF14

07:44:47
Arctic cirrus #1, collocated flights
HALO

16 (1 failed)
HALO-AC3_20220407_P5_RF12

04:23

P5 Upper cirrus over low level clouds connected to forming polar low
18

HALO-AC3_20220407_BELUGA_RF14
HALO-AC3_20220407_BELUGA_RF15
00:45
00:50
BELUGA Profile
BELUGA Profile
08 Apr 2022


HALO-AC3_20220408_HALO_RF15

07:18:32
Polar low
HALO

21
HALO-AC3_20220408_P6_RF1105:15
P6 Clouds in the vicinity of the polar low and over sea ice
09 Apr 2022

HALO-AC3_20220409_P6_RF12

04:48

P6 Boundary layer measurements west of Svalbard over ice and water
10 Apr 2022


HALO-AC3_20220410_HALO_RF16

06:30:20
Arctic cirrus #2, day 1
HALO moist air advection

22
HALO-AC3_20220410_P5_RF13

04:56

P5 Low level clouds over sea ice and open ocean
19 (1 failed)

HALO-AC3_20220410_P6_RF13

04:58

P6 Cloud measurements over sea ice and open ocean, main track collocated with P5
11 Apr 2022


HALO-AC3_20220411_HALO_RF17

07:54:55
Arctic cirrus #2, day 2
HALO

7
12 Apr 2022


HALO-AC3_20220412_HALO_RF18

08:05:44
Arctic cirrus #2, day 3
HALO

17