[ RASP UK Forecast (Stratus) ]




BLIP Quality Check

To help understand if the RASP forecast is matching the real world, an experimental script has been put together that will compare a RASP 'spot' forecast against a METAR observation (a real-world airfield met observation).

These observations are produced hourly or so.

The following table is a summary for the UK, using the script outlined below the table and map. The table is produced from 09:00 to 18:00 on the hour and every half hour during UK daylight hours.

A spatial map of the reports can be found here.


The following plot will show a running view of the percentage of measures as correct between the forecast and the RASP prediction. Normally for the whole of the UK, 85% or higher indicates RASP is close enough and can be relied upon.


This report: 17:42:19 23/08/2019 for this map view. This run created in 78.07 secs

MarkLocationTime
RASP
METAR
Dry
Temp
° C
RASP
METAR
Diff
° C
Dew Pt
° C
RASP
METAR
Diff
° C
Cloud
Base
ft
RASP
METAR
Diff
ft
Pressure
mb
RASP
METAR
Diff
mb
Wind
Dir °
RASP
METAR
Diff
°
Wind
Speed
kts
RASP
METAR
Diff
kts
ARAF Wattisham
52.1239N 0.9573W
1600
1550
22.66
23
0.34
13.84
13
-0.84
3802
4000
198
1024.0
1023
-1
143
140
3
10
11
1
BCambridge A/P
52.2050N 0.1750W
1630
1620
25.63
27
1.37
13.85
15
1.15
4884
4800
-84
1022.7
1022
-0.7
158
160
2
9
8
-1
CCarlisle A/P
54.9387N -2.8088E
1630
1620
20.64
19
-1.64
14.83
15
0.17
2704
1600
-1104
1021.3
1021
-0.3
228
210
18
11
6
-5
DRAF Cosford
52.6400N -2.3056E
1300
1250
21.60
22
0.4
14.49
15
0.51
3338
2800
-538
1023.3
1024
0.7
203
200
3
7
8
1
RAF Culdrose
50.0843N -5.2571E
1630
1618
19.45
19
-0.45
14.55
15
0.45
2147
1600
-547
1021.3
1021
-0.3
109
090
19
13
13
0
FExeter A/P
50.7372N -3.4058E
1630
1620
19.77
22
2.23
12.33
15
2.67
3210
2800
-410
1022.7
1022
-0.7
151
140
11
9
7
-2
RAF Odiham
51.2391N -0.9450E
1600
1550
23.60
24
0.4
11.15
11
-0.15
5502
5200
-302
1023.2
1023
-0.2
166
160
6
8
7
-1
IRAF Wittering
52.6114N -0.4612E
1600
1550
24.62
26
1.38
13.24
15
1.76
4890
4400
-490
1022.9
1022
-0.9
189
220
31
8
6
-2
RAF Fairford
51.68135N -1.79109E
1500
1456
24.03
25.2
1.17
13.82
14.3
0.48
4542
4360
-182
1022.8
1022
-0.8
176
250
74
6
3
-3
JRAF Shawbury
52.7947N -2.6647E
1600
1550
23.69
24
0.31
14.74
15
0.26
4042
3600
-442
1021.9
1021
-0.9
177
170
7
8
7
-1
KRAF Benson
51.6203N -1.0987E
1630
1622
24.91
26
1.09
12.71
14
1.29
5321
4800
-521
1022.4
1022
-0.4
169
150
19
8
8
0
LCambel Town
55.4372N -5.6864E
1630
1620
17.81
17
-0.81
15.56
15
-0.56
1088
800
-288
1018.0
1018
0
159
150
9
15
18
3
MRAF Valley
53.2527N -4.5365E
1600
1550
18.02
18
-0.02
16.23
15
-1.23
832
1200
368
1021.8
1021
-0.8
200
200
0
11
11
0
NLydd A/P
50.9561N 0.9392W
1630
1620
20.55
21
0.45
12.94
16
3.06
3246
2000
-1246
1023.7
1023
-0.7
146
100
46
3
5
2
ODundee A/P
56.4525N -3.0258E
1630
1620
17.38
20
2.62
12.95
16
3.05
2878
1600
-1278
1018.6
1019
0.4
230
230
0
15
12
-3
PRAF Kinloss
57.6456N -3.5635E
1600
1550
20.91
19
-1.91
11.58
11
-0.58
4128
3200
-928
1016.1
1017
0.9
247
240
7
17
12
-5
QNorwich A/P
52.6333N 1.3000W
1630
1620
24.55
24
-0.55
14.12
15
0.88
4202
3600
-602
1023.4
1023
-0.4
154
170
16
13
12
-1
SLuton A/P
51.8747N -0.3683E
1630
1620
24.40
25
0.6
12.85
13
0.15
5207
4800
-407
1022.9
1023
0.1
173
200
27
5
4
-1
TCardiff Intl A/P
51.3967N -3.3433E
1630
1620
21.82
23
1.18
11.96
13
1.04
4334
4000
-334
1022.2
1022
-0.2
162
120
42
10
6
-4
UNewcastle A/P
55.0375N -1.6917E
1630
1620
21.61
21
-0.61
14.75
14
-0.75
3179
2800
-379
1021.3
1021
-0.3
226
220
6
13
9
-4
VBelfast / Aldergrove A/P
54.6633N -6.2258E
1630
1620
21.24
20
-1.24
15.38
15
-0.38
2812
2000
-812
1017.7
1018
0.3
185
170
15
17
8
-9
WManchester A/P
53.3537N -2.2750E
1630
1620
22.76
23
0.24
15.72
16
0.28
3273
2800
-473
1022.0
1021
-1
210
200
10
6
4
-2
XGlasgow A/P
55.8719N -4.4331E
1630
1620
20.76
19
-1.76
14.23
15
0.77
2959
1600
-1359
1018.7
1019
0.3
204
220
16
14
9
-5
YEdinburgh A/P
55.9500N -3.3500E
1630
1620
21.35
22
0.65
13.67
15
1.33
3502
2800
-702
1019.0
1019
0
217
220
3
17
12
-5
ZHeathrow A/P
51.4775N -0.4614E
1630
1620
24.33
27
2.67
14.14
14
-0.14
4531
5200
669
1022.7
1022
-0.7
206
150
56
8
5
-3
1Southampton A/P
50.9499N -1.3585E
1630
1620
22.11
23
0.89
10.63
12
1.37
4702
4400
-302
1023.2
1023
-0.2
168
150
18
7
4
-3
2Leeds A/P
53.8618N -1.6653E
1630
1620
22.48
23
0.52
15.03
15
-0.03
3730
3200
-530
1022.0
1022
0
227
210
17
8
6
-2
3Dublin A/P
53.4215N -6.2977E
1630
1630
21.83
19
-2.83
12.82
14
1.18
4065
2000
-2065
1018.9
1019
0.1
203
150
53
13
10
-3
Stornaway A/P
58.2156N -6.3311E
1630
1620
16.49
17
0.51
13.25
14
0.75
1406
1200
-206
1013.2
1014
0.8
212
190
22
27
20
-7
4Tiree
56.5000N -6.8828E
1630
1620
16.84
17
0.16
14.11
14
-0.11
1236
1200
-36
1015.9
1016
0.1
186
160
26
16
15
-1
5Benbecula
57.4811N -7.3628E
1630
1620
14.71
17
2.29
13.02
14
0.98
842
1200
358
1013.9
1014
0.1
199
200
1
28
27
-1
6Ronaldsway A/P
54.0853N -4.6320E
1630
1620
14.90
17
2.1
14.19
15
0.81
396
800
404
1021.1
1021
-0.1
184
180
4
15
8
-7
Aberdeen A/P
57.2049N -2.2053E
1630
1620
21.12
22
0.88
11.79
12
0.21
4282
4000
-282
1017.8
1018
0.2
217
230
13
17
9
-8
Birmingham A/P
52.4602N -1.7576E
1630
1620
23.91
24
0.09
14.66
15
0.34
4263
3600
-663
1022.2
1022
-0.2
181
190
9
8
5
-3
Humberside A/P
53.5744N -0.3508E
1630
1620
25.16
26
0.84
12.22
15
2.78
5431
4400
-1031
1022.1
1022
-0.1
208
200
8
11
9
-2
Staverton A/P
51.8923N -2.1608E
1630
1620
24.74
25
0.26
13.76
15
1.24
4751
4000
-751
1022.0
1021
-1
177
220
43
8
5
-3
Islay A/P
55.6814N -6.2498E
1630
1620
18.80
18
-0.8
15.18
15
-0.18
1684
1200
-484
1017.0
1017
0
158
150
8
13
12
-1
Eglinton A/P
55.0428N -7.1611E
1630
1620
21.48
21
-0.48
14.37
15
0.63
3219
2400
-819
1016.2
1016
-0.2
199
190
9
20
9
-11
Southend A/P
51.5714N 0.6956W
1630
1620
21.08
23
1.92
13.52
13
-0.52
3068
4000
932
1023.7
1023
-0.7
93
100
7
10
10
0
Biggin Hill A/P
51.3308N 0.0325W
1630
1620
24.03
23
-1.03
12.06
16
3.94
5549
2800
-2749
1023.1
1023
-0.1
179
130
49
8
6
-2
London City A/P
51.5053N 0.0553W
1630
1620
25.46
25
-0.46
12.83
16
3.17
5100
3600
-1500
1022.8
1022
-0.8
108
080
28
9
11
2
East Midlands A/P
52.8311N -1.3281E
1630
1620
24.12
24
-0.12
14.80
16
1.2
4120
3200
-920
1022.3
1022
-0.3
196
220
24
7
7
0
Doncaster A/P
53.4747N -1.0044E
1630
1620
24.64
25
0.36
13.88
15
1.12
4513
4000
-513
1022.1
1022
-0.1
206
190
16
9
7
-2
Liverpool A/P
53.3340N -2.8500E
1630
1620
20.09
24
3.91
15.15
17
1.85
3006
2800
-206
1021.6
1021
-0.6
170
190
20
7
8
1
Wick A/P
58.4589N -3.0931E
1630
1620
18.56
17
-1.56
14.05
13
-1.05
2101
1600
-501
1015.6
1016
0.4
200
220
20
15
10
-5


Table Averages
Difference Averages: Dry: 0.35° C - Wet: 0.76° C - Wind Speed: -2.4 Knots (RASP High) - Wind Deviation: 18.7 Degrees - Pressure: -0.2 mb - Cloudbase: -535 ft
Difference calculations based on actual minus the forecast.
Averages that are greater than +/- 2 Celcius indicates forecast widely differs from actuals.

Table Key
Highlight thresholds: Wind is 30° - Wind Speed is 7 kts - Temperature is 3° C - Cloudbase is 1500 feet - Pressure is 1.6 mb (not reported upon)

Notes and Observations
EGUO (R) Colerne - METAR report more than six hours old (4554 hours) for EGUO - report not usable.
EGQM () RAF Boulmer - METAR report more than six hours old (365 hours) for EGQM - report not usable.
EGBE (8) Coventry A/P - METAR report more than six hours old (18387 hours) for EGBE - report not usable.


The script is a bit slow, so sometimes the results may not be available as an auto-generated static view.

If this happens, click here to dynamically re-generate the table as a separate page.

If there is a problem with the output, click here to get a copy of the last generated text table.

Regional  Atmospheric  Soaring  Prediction
BLIPMAP FORECASTS For Great Britain
The Webmaster makes no representations or warranties, expressed or implied, as to the accuracy of the information held herein or its fitness for any purpose whatsoever. In no event will the Webmaster be held liable for any direct, indirect, special incidental or consequential damages arising out of the use of the information held on this server.
BLIPMAP = Boundary Layer Information Prediction MAP - Created by Dr. John W. (Jack) Glendening, Meteorologist