ECMWF SOT-IV Geneva April 2007 - A. Garcia-Mendez ASAP Monitoring at ECMWF Data reception...

ECMWFSOT-IV Geneva April 2007 - A. Garcia-Mendez

ASAP Monitoring at ECMWF

Data reception

Troubleshooting

Monitoring tools at ECMWF

General performance

Conclusions



Data reception

Troubleshooting


General performance

Conclusions


1993J

1994M M J S N J

1995M M J S N J

1996M M J S N J

1997M M J S N J

1998M M J S N J

1999M M J S N J

2000M M J S N J

2001M M J S N J

2002M M J S N J

2003M M J S N J

2004M M J S N J

2005M M J S N J

2006M M J S N J

2007M

0123456789

101112131415161718192021222324252627282930313233

Fre

qu

ency

*10

Temperature 500 hPa - GLOBALMonthly counts of ASAP received at ECMWF

00 UTC 12 UTC 06 UTC 18 UTC


1993J

1994M M J S N J

1995M M J S N J

1996M M J S N J

1997M M J S N J

1998M M J S N J

1999M M J S N J

2000M M J S N J

2001M M J S N J

2002M M J S N J

2003M M J S N J

2004M M J S N J

2005M M J S N J

2006M M J S N J

2007M

0

5

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15

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35

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45

50

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60

65

70

75

80

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qu

ency

*10


All cycles Moving average

Smooth positive trend


1993J

1994M M J S N J

1995M M J S N J

1996M M J S N J

1997M M J S N J

1998M M J S N J

1999M M J S N J

2000M M J S N J

2001M M J S N J

2002M M J S N J

2003M M J S N J

2004M M J S N J

2005M M J S N J

2006M M J S N J

2007M

05

101520253035404550556065707580859095

100105110

Per

cen

tag

e (%

)

Temperature reports reaching 100 hPa - GLOBALMonthly counts of ASAP received at ECMWF



1993J

1994M M J S N J

1995M M J S N J

1996M M J S N J

1997M M J S N J

1998M M J S N J

1999M M J S N J

2000M M J S N J

2001M M J S N J

2002M M J S N J

2003M M J S N J

2004M M J S N J

2005M M J S N J

2006M M J S N J

2007M

05

101520253035404550556065707580859095

100105110

Per

cen

tag

e (%

)

Temperature reports reaching 100 hPa - GLOBALMonthly counts of Radiosondes received at ECMWF

All cycles Moving average Land-based Radiosondes


1993J

1994M M J S N J

1995M M J S N J

1996M M J S N J

1997M M J S N J

1998M M J S N J

1999M M J S N J

2000M M J S N J

2001M M J S N J

2002M M J S N J

2003M M J S N J

2004M M J S N J

2005M M J S N J

2006M M J S N J

2007M

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

Fre

qu

ency

*10

Wind 250 hPa - GLOBALMonthly counts of ASAP received at ECMWF



1993J

1994M M J S N J

1995M M J S N J

1996M M J S N J

1997M M J S N J

1998M M J S N J

1999M M J S N J

2000M M J S N J

2001M M J S N J

2002M M J S N J

2003M M J S N J

2004M M J S N J

2005M M J S N J

2006M M J S N J

2007M

0

5

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15

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25

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ency

*10



Summary



Data reception

Troubleshooting


General performance

Conclusions


1-30 NOV 2006ASAP

ASDE1

ASDE2

ASDE3

ASDE4

ASEU1ASEU2

ASEU3 ASEU4

ASEU5ASGB1

DBLK

EBUQ

FQFL

FQFMJDWX

JGQH

JIVB

JNSR

LDWR

OXGN2OXVH2

SHIP

TESTM

V2BD9

V2XM

XXX


1-30 APR 2006ASAP WPKD

20°N 20°N

40°N40°N

60°N 60°N

80°N80°N

80°W

80°W 60°W

60°W 40°W

40°W 20°W

20°W 0°

0° 20°E

20°E 40°E

40°E 60°E

60°E

1 2

3 4 5 6 7 8 910 1112 1314 151617 1819

OBS: 19 (13/ 34 levels rejected WIND/TEMP ELEMENTS)

Change of sign in the reported longitude


-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65

-30

-20

-10

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290

10501000950900850

800

750

700

650

600

550

500

450

400

350

300

250

200190180170160150

140

130

120

110

100

90

80

70

60

50

40

30

40

36

32

28

24

20

16

12

8

4

0

-4

-8

-12

-16

-20

0.4 1 1.5 2 3 5 7 9 12 16 20 28 36 48 66 80

OBSERVED

277.

271.

267.

264.

251.

237.

233.

230.

227.

219.

213.

-3.0

-3.1

-6.7

-10.7

-26.0

-50.6

-71.3

-77.4

-79.8

-85.0

-89.4

FG 4DVAR

294.

288.

281.

273.

254.

241.

225.

215.

212.

216.

215.

-2.8

-4.2

-5.9

-25.5

-37.4

-49.5

-54.7

-61.5

-70.5

-85.3

-87.7

TEMP WPKD (--) 44.1N, 57.1E 3 APR 2006 11 UTC

SHOWALTER= 16LIFTED INDEX= 16

DCAPEmax=3108.2 J/Kg at level 100.0 hPa CAPEmax= 111.4 J/Kg at level 1001.0 hPa

OBSERVED


DCAPEmax=1257.3 J/Kg at level 100.0 hPa CAPEmax= 0.6 J/Kg at level 925.0 hPa

FG 4DVAR

-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65

-30

-20

-10

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290

10501000950900850

800

750

700

650

600

550

500

450

400

350

300

250

200190180170160150

140

130

120

110

100

90

80

70

60

50

40

30

40

36

32

28

24

20

16

12

8

4

0

-4

-8

-12

-16

-20

0.4 1 1.5 2 3 5 7 9 12 16 20 28 36 48 66 80

OBSERVED

281.

275.

270.

266.

252.

240.

224.

215.

213.

216.

215.

212.

212.

215.

0.2

-1.2

-4.9

-14.7

-43.4

-50.3

-57.6

-67.7

-70.6

-83.4

-87.9

-86.0

-89.9

-84.0

FG 4DVAR

281.

275.

270.

266.

252.

239.

224.

215.

211.

215.

214.

211.

212.

212.

0.4

-1.1

-4.9

-16.6

-42.3

-47.5

-56.0

-64.3

-72.8

-85.5

-88.3

-89.4

-90.4

-98.0

TEMP WPKD (80) 49.5N, 20.9W 7 APR 2006 11 UTC


DCAPEmax= 817.2 J/Kg at level 100.0 hPa CAPEmax= 368.1 J/Kg at level 1018.0 hPa

OBSERVED



FG 4DVAR

The whole report rejected by the 4DVAR QC

No problem provided the reported position is right


1-30 JUN 2006ASAP OXVH2

40°N 40°N

60°N60°N

80°N 80°N

40°W

40°W 20°W

20°W 0°

0° 20°E

20°E

1 2 3 4 5 6 7 8

910

11 12 13 14 1516 1718192021222324

OBS: 24 (46/ 13 levels rejected WIND/TEMP ELEMENTS)

Again the sign of the longitude is wrong


45°N

50°N

55°N

60°N

65°N

70°N

75°N

60°W

60°W

55°W

55°W

50°W

50°W

45°W

45°W

40°W

40°W

35°W

35°W

30°W

30°W

25°W

25°W

20°W

20°W

15°W

15°W

10°W

10°W

5°W

5°W

0°

0°

5°E

5°E

10°E

10°E

15°E

15°E

20°E

20°E 25°E

25°E

30°E

30°E

35°E

35°E

40°E

40°E

45°E

45°E

50°E

50°E

55°E

55°E

ECMWF Analysis VT:Thursday 15 June 2006 12UTC 500hPa Temperature/ Geopotential

-30

-28

-26

-24

-22

-20

-18

-16

-14

-12

-10.33

Actual position OXVH2 Reported position OXVH2

T799 ANALYSIS


-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65

-30

-20

-10

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290

10501000950900850

800

750

700

650

600

550

500

450

400

350

300

250

200190180170160150

140

130

120

110

100

90

80

70

60

50

40

30

40

36

32

28

24

20

16

12

8

4

0

-4

-8

-12

-16

-20

0.4 1 1.5 2 3 5 7 9 12 16 20 28 36 48 66 80

OBSERVED

282.

279.

279.

273.

258.

246.

230.

220.

220.

222.

221.

222.

222.

226.

5.2

3.0

-3.8

-14.9

-31.9

-51.1

-59.0

-62.1

-76.0

-82.8

-83.4

-83.0

-82.7

-80.4

FG 4DVAR

289.

283.

278.

274.

260.

248.

231.

221.

212.

219.

221.

222.

223.

224.

4.2

2.7

-5.6

-20.9

-20.8

-34.8

-46.5

-56.7

-65.1

-84.7

-88.6

-92.0

-93.7

TEMP OXVH2 (80) 59.1N, 15.1E 15 JUN 2006 10 UTC



OBSERVED



FG 4DVAR

-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65

-30

-20

-10

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290

10501000950900850

800

750

700

650

600

550

500

450

400

350

300

250

200190180170160150

140

130

120

110

100

90

80

70

60

50

40

30

40

36

32

28

24

20

16

12

8

4

0

-4

-8

-12

-16

-20

0.4 1 1.5 2 3 5 7 9 12 16 20 28 36 48 66 80

OBSERVED

284.

282.

276.

259.

246.

231.

222.

221.

223.

221.

223.

223.

225.

10.3

7.9

-29.6

-18.3

-39.0

-58.6

-65.3

-77.0

-78.0

-83.5

-78.5

-77.9

-76.7

FG 4DVAR

281.

281.

274.

259.

247.

231.

222.

220.

223.

221.

221.

223.

224.

7.4

8.0

-7.0

-15.9

-35.4

-55.5

-60.5

-69.2

-87.4

-90.1

TEMP OXVH2 (80) 58.6N, 40.2W 13 JUN 2006 11 UTC



OBSERVED



FG 4DVAR

Bad data passed through the 4DVAR QC

No problem for a report with the right position


-5 -4 -3 -2 -1 0 1 2 3 4 5

OBS-FG (C)

1000

925

850

700

500

400

300

250

200

150

100

70

50

30

20

10

5

0

HP

A

33

57

55

54

54

53

48

47

43

43

43

43

39

29

7

0

0

31

42

42

41

41

40

40

39

38

38

38

37

35

26

6

0

0

25

44

44

44

42

42

40

38

36

36

36

34

33

30

3

0

0

32

50

51

51

51

51

50

50

47

45

45

44

43

42

6

0

0

8

11

11

11

11

11

11

11

10

8

8

7

7

7

1

0

0

JAN - DEC 2006MEAN OBS-FG TEMPERATURE DIFFERENCES V SOLAR ELEVATION

Station OXVH2 (59N, 0 8W) Elevation: 18 m

E< -7.5 -7.5 < E < 7.5 7.5 < E < 27.5 27.5 < E < 47.5 47.5 < E



Data reception

Troubleshooting


Monthly counts

Daily monitoring

General performance

Conclusions




Data reception

Troubleshooting


Monthly counts

Daily monitoring

• Data reception• Data usage• Statistics

General performance

Conclusions



16MAR

2007

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16APR

2007

0

2

4

6

8

10

12

Fre

qu

ency

Radiosondes ASAP



Data reception

Troubleshooting


Monthly counts

Daily monitoring


General performance

Conclusions





Data reception

Troubleshooting


Monthly counts

Daily monitoring


General performance

Conclusions


Temperature statistics for the used data

• OB-FG (bias and std)

• OB-AN


Wind statistics for the used data OB-FG (VRMS) OB-AN (VRMS)


Humidity statistics for the used data OB-FG (bias and std) OB-AN



Data reception

Troubleshooting


General performance

Conclusions


ASAPJAPAN AVERAGEJAN - DEC 2006

00 UTC SUN= ---- (--) 12 UTC SUN= ---- (--)

0 1 2 3 4 5

STD (TEMP)

10009258507005004003002502001501007050302010 5 0

0 3 6 9 12 15

228/ 4 228/ 0 228/ 0 228/ 0 228/ 0 227/ 0 226/ 0 226/ 0 226/ 1 225/ 0 224/ 5 222/ 3 217/ 8

201/ 14 163/ 25 35/ 33

0/ 0 0/ 0

-3 -2 -1 0 1 2 3

BIAS (TEMP)

-60 -45 -30 -15 0 15

0 10 20 30 40 50 60

STD (DIRN)

10009258507005004003002502001501007050302010 5 0

0 20406080100120140160180

137 149 132 156 183 192 197 201 205 212 191 147 137 149 90 2 0 0

-30 -20 -10 0 10 20 30

BIAS (DIRN)

0 60 120 180 240 300 360

0 2 4 6 8 10

STD (SPEED)

10009258507005004003002502001501007050302010 5 0

0 10 20 30 40 50 60

221/ 4 226/ 0 227/ 0 225/ 0 225/ 0 224/ 0 221/ 0 219/ 0 221/ 1 220/ 0 217/ 5 214/ 3 205/ 8

187/ 14 133/ 25

2/ 33 0/ 0 0/ 0

-6 -4 -2 0 2 4 6

BIAS (SPEED)

0 10 20 30 40 50 60

0 1 2 3 4 5

STD (TEMP)

1000925850700500400300250200150100

7050302010 5 0

0 3 6 9 12 15

226/ 2 226/ 0 225/ 0 225/ 0 225/ 0 224/ 1 223/ 0 223/ 0 221/ 1 220/ 2 216/ 3 213/ 4 207/ 9

187/ 17 152/ 42 22/ 18 0/ 0 0/ 0

-3 -2 -1 0 1 2 3

BIAS (TEMP)

-60 -45 -30 -15 0 15

0 10 20 30 40 50 60

STD (DIRN)

1000925850700500400300250200150100

7050302010 5 0

0 20406080100120140160180

141 145 141 152 184 185 195 202 201 203 187 135 132 122 75 4 0 0

-30 -20 -10 0 10 20 30

BIAS (DIRN)

0 60 120 180240 300 360

0 2 4 6 8 10

STD (SPEED)

1000925850700500400300250200150100

7050302010 5 0

0 10 20 30 40 50 60

216/ 2 217/ 0 217/ 0 217/ 0 218/ 0 219/ 1 219/ 0 219/ 0 216/ 1 215/ 2 212/ 3 208/ 4 195/ 9

167/ 17 104/ 42

4/ 18 0/ 0 0/ 0

-6 -4 -2 0 2 4 6

BIAS (SPEED)

0 10 20 30 40 50 60

ASAP notJAPAN AVERAGEJAN - DEC 2006

00 UTC SUN= ---- (--) 12 UTC SUN= ---- (--)

0 1 2 3 4 5

STD (TEMP)

10009258507005004003002502001501007050302010 5 0

0 3 6 9 12 15

1822/ 288 1818/ 7

1813/ 15 1805/ 17 1781/ 14 1763/ 22 1719/ 20 1695/ 16 1676/ 23 1647/ 21 1612/ 22 1513/ 31 1449/ 82 1022/ 232 548/ 292

3/ 2 0/ 0 0/ 0

-3 -2 -1 0 1 2 3

BIAS (TEMP)

-60 -45 -30 -15 0 15

0 10 20 30 40 50 60

STD (DIRN)

10009258507005004003002502001501007050302010 5 0

0 20406080100120140160180

1121 1314 1275 1355 1448 1501 1518 1510 1472 1396 1219 915 758 475 179

2 0 0

-30 -20 -10 0 10 20 30

BIAS (DIRN)

0 60 120 180 240 300 360

0 2 4 6 8 10

STD (SPEED)

10009258507005004003002502001501007050302010 5 0

0 10 20 30 40 50 60

1527/ 288 1763/ 7

1754/ 15 1741/ 17 1708/ 14 1680/ 22 1639/ 20 1609/ 16 1574/ 23 1537/ 21 1502/ 22 1373/ 31 1275/ 82 727/ 232 235/ 292

3/ 2 0/ 0 0/ 0

-6 -4 -2 0 2 4 6

BIAS (SPEED)

0 10 20 30 40 50 60

0 1 2 3 4 5

STD (TEMP)

1000925850700500400300250200150100

7050302010 5 0

0 3 6 9 12 15

2394/ 496 2384/ 29 2376/ 29 2366/ 26 2336/ 30 2308/ 33 2261/ 41 2224/ 37 2184/ 37 2137/ 32 2093/ 30 1987/ 33 1934/ 76

1478/ 289 771/ 386 202/ 31

0/ 0 0/ 0

-3 -2 -1 0 1 2 3

BIAS (TEMP)

-60 -45 -30 -15 0 15

0 10 20 30 40 50 60

STD (DIRN)

1000925850700500400300250200150100

7050302010 5 0

0 20406080100120140160180

1360 1676 1619 1702 1868 1916 1941 1922 1873 1807 1608 1295 1142 814 316 143 5 0

-30 -20 -10 0 10 20 30

BIAS (DIRN)

0 60 120 180240 300 360

0 2 4 6 8 10

STD (SPEED)

1000925850700500400300250200150100

7050302010 5 0

0 10 20 30 40 50 60

1841/ 496 2261/ 29 2252/ 29 2236/ 26 2203/ 30 2161/ 33 2110/ 41 2066/ 37 2024/ 37 1990/ 32 1942/ 30 1822/ 33 1732/ 76

1092/ 289 371/ 386 181/ 31

6/ 0 0/ 0

-6 -4 -2 0 2 4 6

BIAS (SPEED)

0 10 20 30 40 50 60


-5 -4 -3 -2 -1 0 1 2 3 4 5

OBS-FG (C)

1000

925

850

700

500

400

300

250

200

150

100

70

50

30

20

10

5

0

HP

A

210

214

213

213

213

212

211

209

206

204

202

201

190

155

96

4

0

19

19

19

19

19

19

19

19

18

19

19

19

18

16

13

0

0

79

81

81

81

81

80

79

79

78

77

75

75

71

62

43

0

0

113

117

117

117

117

117

117

116

115

115

115

118

114

97

66

2

0


COMBINED SONDES

ASAP Japan

E< -7.5 7.5 < E < 27.5 27.5 < E < 47.5 47.5 < E


-5 -4 -3 -2 -1 0 1 2 3 4 5

OBS-FG (C)

1000

925

850

700

500

400

300

250

200

150

100

70

50

30

20

10

5

0

HP

A

1239

1571

1563

1550

1531

1515

1480

1465

1440

1414

1383

1305

1211

725

203

0

0

437

574

573

568

560

553

545

541

525

518

508

491

468

352

169

1

0

808

954

951

945

926

914

898

883

870

858

848

819

783

510

133

32

0

932

1046

1040

1031

1008

991

963

949

933

917

894

860

816

469

99

41

0

430

468

471

469

461

458

455

451

443

432

432

421

401

235

38

21

0


COMBINED SONDES

ASAP not Japan

E< -7.5 -7.5 < E < 7.5 7.5 < E < 27.5 27.5 < E < 47.5 47.5 < E


-70 -60 -50 -40 -30 -20 -10 0 10 20 30

OBS TEMPERATURE (C)

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

OB

S -

FG

TEMPERATURE 1 JAN - 31 MAR 2007

UPPER AIR SOUNDINGS

NO. OF USED OBS: 51921 ( 96 %)NO. OF OBS: 54327 BIAS: 0.1 STD: 2.5

ASAP all data

1

3

6

11

20

36

66

121

-70 -60 -50 -40 -30 -20 -10 0 10 20 30

OBS TEMPERATURE (C)

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

OB

S -

AN


UPPER AIR SOUNDINGS


ASAP all data

1

3

6

11

20

36

66

121

Impact of the data in the model analysis


-70 -60 -50 -40 -30 -20 -10 0 10 20 30

OBS TEMPERATURE (C)

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

OB

S -

FG


UPPER AIR SOUNDINGS

NO. OF USED OBS: 51921 (100 %)NO. OF OBS: 51921 BIAS: 0.1 STD: 1.3

ASAP used data

1

3

6

11

20

36

66

121

-70 -60 -50 -40 -30 -20 -10 0 10 20 30

OBS TEMPERATURE (C)

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

OB

S -

AN


UPPER AIR SOUNDINGS


ASAP used data

1

3

6

11

20

36

66

121

4DVAR QC applied


0 25 50 75

OBS SPEED (M/S)

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

45

50

OB

S -

FG

WINDSPEED 1 JAN - 31 MAR 2007

UPPER AIR SOUNDINGS


ASAP all data

2

4

11

24

54

121

270

601

1339

0 25 50 75

OBS SPEED (M/S)

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

45

50

OB

S -

AN


UPPER AIR SOUNDINGS


ASAP all data

2

4

11

24

54

121

270

601

1339



0 25 50 75

OBS SPEED (M/S)

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

45

50

OB

S -

FG


UPPER AIR SOUNDINGS


ASAP used data

2

4

8

16

33

66

134

270

544

1096

0 25 50 75

OBS SPEED (M/S)

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

45

50

OB

S -

AN


UPPER AIR SOUNDINGS


ASAP used data

2

4

11

24

54

121

270

601

1339

4DVAR QC applied


0 10 20 30 40 50 60 70 80 90 100

FG (%)

0

10

20

30

40

50

60

70

80

90

100

OB

S (

%)

RELATIVE HUMIDITY 100-1000hPa

1 JAN - 31 MAR 2007UPPER AIR SOUNDINGS

NO. OF USED OBS: 34453 ( 84 %)NO. OF OBS: 40832 BIAS: -1.4 STD: 18.8

ASAP all data

2

4

11

24

54

121

270

601

1339

0 10 20 30 40 50 60 70 80 90 100

AN (%)

0

10

20

30

40

50

60

70

80

90

100

OB

S (

%)



NO. OF USED OBS: 34453 ( 84 %)NO. OF OBS: 40832 BIAS: -1.7 STD: 15.5

ASAP all data

2

4

11

24

54

121

270

601

1339



0 10 20 30 40 50 60 70 80 90 100

FG (%)

0

10

20

30

40

50

60

70

80

90

100

OB

S (

%)



NO. OF USED OBS: 34453 (100 %)NO. OF OBS: 34453 BIAS: -0.7 STD: 18.3

ASAP used data

2

4

11

24

54

121

270

601

1339

0 10 20 30 40 50 60 70 80 90 100

AN (%)

0

10

20

30

40

50

60

70

80

90

100

OB

S (

%)



NO. OF USED OBS: 34453 (100 %)NO. OF OBS: 34453 BIAS: -1.0 STD: 14.3

ASAP used data

2

4

11

24

54

121

270

601

1339

4DVAR QC applied


-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30

OBS-FG (%)

1000

925

850

700

500

400

300

250

200

150

100

70

50

30

20

10

5

0

HP

A

211

214

212

213

212

212

189

96

0

0

0

0

0

0

0

1

0

19

19

19

18

19

19

9

0

0

0

0

0

0

0

0

0

0

79

81

81

81

80

80

77

37

0

0

0

0

0

0

0

0

0

114

117

117

117

116

117

104

46

0

0

0

0

0

0

0

1

0

JAN - DEC 2006MEAN OBS-FG REL HUMIDITY DIFFERENCES V SOLAR ELEVATION

COMBINED SONDES

ASAP Japan

E< -7.5 7.5 < E < 27.5 27.5 < E < 47.5 47.5 < E


-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30

OBS-FG (%)

1000

925

850

700

500

400

300

250

200

150

100

70

50

30

20

10

5

0

HP

A

1260

1554

1536

1530

1511

1491

1391

1269

1249

1223

1204

1136

1048

653

192

0

1

439

570

566

566

558

548

538

522

510

503

492

469

449

346

167

1

0

821

957

951

947

928

911

870

825

813

801

788

755

726

483

132

32

2

936

1040

1033

1019

1000

980

931

817

801

780

775

749

706

396

95

41

0

429

465

464

462

456

452

438

318

308

298

299

291

278

134

34

21

0

JAN - DEC 2006MEAN OBS-FG REL HUMIDITY DIFFERENCES V SOLAR ELEVATION

COMBINED SONDES

ASAP not Japan

E< -7.5 -7.5 < E < 7.5 7.5 < E < 27.5 27.5 < E < 47.5 47.5 < E


-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30

OBS-FG (%)

1000

925

850

700

500

400

300

250

200

150

100

70

50

30

20

10

5

0

HP

A

8362

13048

14256

14490

14598

14355

11722

10755

10193

9971

9613

9103

8792

7789

6649

4827

81

1891

3218

3215

3242

3281

3241

3113

3005

2971

2923

2861

2760

2700

2384

2025

1589

24

4170

6018

6187

6331

6353

6223

5330

5082

4975

4879

4708

4469

4372

3866

3308

2660

79

2678

4040

4476

4505

4494

4397

3611

3166

3052

2930

2850

2727

2659

2397

2075

1433

33

2468

3634

4013

4023

4009

3996

3154

2772

2501

2460

2364

2252

2207

2037

1834

1649

15

MAY 2005 - MAY 2006MEAN OBS-FG REL HUMIDITY DIFFERENCES V SOLAR ELEVATION

COMBINED SONDES RS TYPE: 80

VRS92 Global

E< -7.5 -7.5 < E < 7.5 7.5 < E < 27.5 27.5 < E < 47.5 47.5 < E

VRS92


Conclusions

The number of ASAP reports received at ECMWF show a positive trend since 2005

The percentage of launches reaching 100 hPa has dropped to 85-90% in 2006 compared to 90-95% in 2005

Corrupted call-signs received from time to time

Reports with wrong positions received almost every month in 2006. Not detected in Japanese ASAP

ASAP data monitored at ECMWF using a number of products updated on a daily basis in our web site

ASAP statistics have continued to show a good performance


….. And that’s it, thank you …….

Questions ?


Reception tables

2004 500 100 20

2005 500 100 20

2006 500 100 20

Year Levels (hPa)


Year 500 hPa 100 hPa 20 hPa # IDs

2004 6093

5344

5680

4942

1619

807

40

2005 6133

5647

5747

5193

1971

1017

42

2006 6377

6058

5829

5409

2251

1061

53

Temperature Wind

Summary ASAP reception at ECMWFBack<<

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ECMWF SOT-IV Geneva April 2007 - A. Garcia-Mendez ASAP Monitoring at ECMWF Data reception...

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