[ 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.


This report: 17:41:25 19/08/2018 for this map view. This run created in 23.35 secs


Map Key
Green marker means inside thresholds (one metric outside is shown light green).
Yellow marker means two metrics outside thresholds.
Red marker means three metrics outside thresholds.
Blue marker means report not available or similar.

Notes and Observations
EGNC (C) Carlisle A/P - METAR report more than six hours old (48 hours) for EGNC - report not usable.
EGUO (R) Colerne - METAR report more than six hours old (4304 hours) for EGUO - report not usable.
EGBE (8) Coventry A/P - METAR report more than six hours old (9531 hours) for EGBE - report not usable.

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)

Table Averages
Difference Averages: Dry: 0.85° C - Wet: 0° C - Wind Speed: -1.48 Knots (RASP High) - Wind Deviation: 18.5 Degrees - Pressure: -0.6 mb
Difference calculations based on actual minus the forecast.
Averages that are greater than +/- 2 Celcius indicates forecast widely differs from actuals.

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
1700
1650
21.94
23
1.06
15.18
16
0.82
3002
2800
-202
1017.4
1016
-1.4
262
250
12
20
10
-10
BCambridge A/P
52.2050N 0.1750W
1730
1720
22.00
25
3
15.50
15
-0.5
2757
4000
1243
1017.5
1016
-1.5
264
290
26
14
12
-2
RAF Culdrose
50.0843N -5.2571E
1700
1650
18.63
19
0.37
17.97
18
0.03
374
400
26
1022.1
1021
-1.1
254
250
4
11
9
-2
FExeter A/P
50.7372N -3.4058E
1730
1720
20.95
20
-0.95
17.41
17
-0.41
1572
1200
-372
1020.8
1020
-0.8
281
270
11
12
9
-3
RAF Odiham
51.2391N -0.9450E
1700
1650
21.23
26
4.77
16.38
15
-1.38
2363
4400
2037
1019.3
1018
-1.3
268
260
8
16
17
1
HGatwick A/P
51.1481N -0.1903E
1730
1720
20.57
23
2.43
17.27
19
1.73
1569
1600
31
1019.4
1018
-1.4
244
230
14
14
12
-2
IRAF Wittering
52.6114N -0.4612E
1700
1650
21.13
23
1.87
15.48
15
-0.48
2462
3200
738
1017.0
1016
-1
268
270
2
19
17
-2
RAF Fairford
51.68135N -1.79109E
1730
1726
21.09
22
0.91
16.36
16
-0.36
2225
2400
175
1018.9
1018
-0.9
260
260
0
17
14
-3
JRAF Shawbury
52.7947N -2.6647E
1700
1650
19.18
21
1.82
15.61
15
-0.61
1759
2400
641
1017.8
1018
0.2
261
250
11
15
13
-2
KRAF Benson
51.6203N -1.0987E
1700
1650
20.88
24
3.12
15.62
16
0.38
2469
3200
731
1018.9
1017
-1.9
264
260
4
17
12
-5
LCambel Town
55.4372N -5.6864E
1730
1720
15.30
15
-0.3
12.32
13
0.68
1409
800
-609
1017.4
1017
-0.4
288
280
8
9
13
4
MRAF Valley
53.2527N -4.5365E
1700
1650
18.82
18
-0.82
16.49
15
-1.49
976
1200
224
1018.2
1018
-0.2
265
220
45
10
6
-4
NLydd A/P
50.9561N 0.9392W
1730
1720
20.49
20
-0.49
17.43
18
0.57
1174
800
-374
1019.7
1019
-0.7
241
240
1
18
19
1
ODundee A/P
56.4525N -3.0258E
1730
1720
13.43
15
1.57
11.02
13
1.98
1402
800
-602
1016.3
1016
-0.3
94
100
6
10
6
-4
PRAF Kinloss
57.6456N -3.5635E
1700
1650
15.78
16
0.22
8.30
8
-0.3
3202
3200
-2
1016.6
1016
-0.6
20
010
10
4
6
2
QNorwich A/P
52.6333N 1.3000W
1730
1720
22.08
23
0.92
15.23
17
1.77
2897
2400
-497
1016.5
1016
-0.5
263
270
7
13
10
-3
SLuton A/P
51.8747N -0.3683E
1730
1720
20.77
24
3.23
15.58
16
0.42
2613
3200
587
1018.3
1017
-1.3
261
260
1
15
12
-3
TCardiff Intl A/P
51.3967N -3.3433E
1730
1720
18.09
18
-0.09
17.32
17
-0.32
400
400
0
1019.9
1019
-0.9
273
280
7
20
11
-9
UNewcastle A/P
55.0375N -1.6917E
1730
1720
17.97
17
-0.97
13.85
14
0.15
1992
1200
-792
1016.2
1015
-1.2
14
030
16
8
9
1
VBelfast / Aldergrove A/P
54.6633N -6.2258E
1730
1720
20.47
18
-2.47
15.55
14
-1.55
2351
1600
-751
1017.1
1018
0.9
277
340
63
4
6
2
WManchester A/P
53.3537N -2.2750E
1730
1720
18.12
18
-0.12
15.64
15
-0.64
1283
1200
-83
1017.5
1018
0.5
282
270
12
9
9
0
XGlasgow A/P
55.8719N -4.4331E
1730
1720
19.65
18
-1.65
14.30
13
-1.3
2410
2000
-410
1016.1
1016
-0.1
266
250
16
10
7
-3
YEdinburgh A/P
55.9500N -3.3500E
1730
1720
18.33
14
-4.33
12.35
14
1.65
2667
0
-2667
1016.0
1016
0
64
060
4
3
7
4
ZHeathrow A/P
51.4775N -0.4614E
1730
1720
21.27
26
4.73
16.45
15
-1.45
2228
4400
2172
1018.9
1017
-1.9
270
290
20
14
13
-1
1Southampton A/P
50.9499N -1.3585E
1730
1720
21.14
22
0.86
17.07
17
-0.07
1794
2000
206
1019.8
1018
-1.8
258
240
18
10
10
0
2Leeds A/P
53.8618N -1.6653E
1730
1720
18.62
17
-1.62
16.32
15
-1.32
1418
800
-618
1016.2
1016
-0.2
281
270
11
15
16
1
3Dublin A/P
53.4215N -6.2977E
1730
1730
20.10
20
-0.1
16.33
17
0.67
1828
1200
-628
1017.9
1018
0.1
267
250
17
9
6
-3
Stornaway A/P
58.2156N -6.3311E
1730
1720
13.25
16
2.75
10.10
9
-1.1
1389
2800
1411
1017.3
1017
-0.3
106
330
136
4
7
3
4Tiree
56.5000N -6.8828E
1730
1720
14.44
16
1.56
11.50
11
-0.5
1234
2000
766
1017.7
1017
-0.7
321
330
9
8
9
1
5Benbecula
57.4811N -7.3628E
1730
1720
12.68
15
2.32
11.08
11
-0.08
750
1600
850
1017.8
1018
0.2
306
320
14
11
11
0
6Ronaldsway A/P
54.0853N -4.6320E
1730
1720
17.74
19
1.26
15.01
14
-1.01
1616
2000
384
1017.3
1017
-0.3
317
340
23
10
5
-5
RAF Boulmer
55.4209N -1.6012E
1700
1650
14.67
15
0.33
13.29
14
0.71
681
400
-281
1016.1
1015
-1.1
352
320
32
17
11
-6
Aberdeen A/P
57.2049N -2.2053E
1730
1720
14.31
15
0.69
10.50
12
1.5
1848
1200
-648
1016.4
1016
-0.4
80
090
10
7
6
-1
Humberside A/P
53.5744N -0.3508E
1730
1720
19.63
22
2.37
15.66
15
-0.66
1828
2800
972
1015.8
1015
-0.8
259
270
11
12
12
0
Staverton A/P
51.8923N -2.1608E
1730
1720
21.52
23
1.48
16.22
17
0.78
2358
2400
42
1018.7
1018
-0.7
248
290
42
12
9
-3
Islay A/P
55.6814N -6.2498E
1730
1720
15.59
16
0.41
11.26
12
0.74
1991
1600
-391
1017.5
1018
0.5
331
300
31
9
12
3
Eglinton A/P
55.0428N -7.1611E
1730
1720
15.92
17
1.08
12.52
13
0.48
1599
1600
1
1017.4
1018
0.6
54
VRB
0
8
3
-5
Doncaster A/P
53.4747N -1.0044E
1730
1720
20.16
22
1.84
15.77
16
0.23
1884
2400
516
1016.1
1017
0.9
275
280
5
14
16
2
7Pembrey Sands Stn
51.7144N -4.3675E
1700
1650
18.86
19
0.14
17.74
17
-0.74
479
800
321
1020.0
1019
-1
241
230
11
15
14
-1
0RNAS Yeovilton
51.0063N -2.6428E
1700
1650
21.03
22
0.97
16.84
18
1.16
1830
1600
-230
1020.2
1019
-1.2
282
290
8
11
9
-2


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.


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 hgher indicates RASP is close enough and can be relied upon.

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