[ RASP UK Forecast (Stratus) ]


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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: 17:41:30 24/04/2017 for this map view. This run created in 28.97 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
EGUO (R) Colerne - METAR report more than six hours old (775 hours) for EGUO - 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: 0.38° C - Wet: -0.76° C - Wind Speed: -6.33 Knots (RASP High) - Wind Deviation: 16 Degrees - Pressure: -1 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
12.29
9
-3.29
6.81
7
0.19
2622
800
-1822
1011.1
1011
-0.1
316
340
24
15
12
-3
BCambridge A/P
52.2050N 0.1750W
1730
1720
11.82
9
-2.82
2.93
7
4.07
3868
800
-3068
1011.8
1011
-0.8
315
VRB
0
20
2
-18
CCarlisle A/P
54.9387N -2.8088E
1730
1720
5.28
4
-1.28
-0.75
0
0.75
2675
1600
-1075
1013.5
1012
-1.5
321
340
19
24
20
-4
RAF Culdrose
50.0843N -5.2571E
1700
1650
11.50
13
1.5
8.15
5
-3.15
1527
3200
1673
1017.4
1016
-1.4
338
320
18
13
10
-3
FExeter A/P
50.7372N -3.4058E
1730
1720
10.37
13
2.63
6.32
5
-1.32
1921
3200
1279
1015.5
1015
-0.5
320
310
10
13
13
0
RAF Odiham
51.2391N -0.9450E
1700
1650
11.09
12
0.91
8.87
6
-2.87
1348
2400
1052
1013.1
1013
-0.1
301
310
9
14
7
-7
HGatwick A/P
51.1481N -0.1903E
1730
1720
12.85
12
-0.85
8.60
5
-3.6
2146
2800
654
1012.1
1012
-0.1
282
290
8
11
9
-2
IRAF Wittering
52.6114N -0.4612E
1700
1650
10.65
11
0.35
2.29
3
0.71
3804
3200
-604
1012.6
1011
-1.6
308
290
18
21
14
-7
RAF Fairford
51.68135N -1.79109E
1730
1730
10.17
9
-1.17
4.78
7
2.22
2605
800
-1805
1014.1
1014
-0.1
343
360
17
19
9
-10
JRAF Shawbury
52.7947N -2.6647E
1700
1650
7.71
9
1.29
0.40
0
-0.4
3284
3600
316
1015.9
1014
-1.9
326
330
4
24
16
-8
KRAF Benson
51.6203N -1.0987E
1700
1650
10.73
12
1.27
7.42
4
-3.42
1737
3200
1463
1013.3
1012
-1.3
344
260
84
19
10
-9
LCambel Town
55.4372N -5.6864E
1730
1720
3.80
4
0.2
0.99
-2
-2.99
1267
2400
1133
1018.5
1017
-1.5
319
320
1
31
30
-1
MRAF Valley
53.2527N -4.5365E
1700
1650
6.00
9
3
2.08
-2
-4.08
1694
4400
2706
1018.4
1017
-1.4
344
340
4
21
18
-3
NLydd A/P
50.9561N 0.9392W
1730
1720
12.16
12
-0.16
8.42
9
0.58
1634
1200
-434
1012.1
1012
-0.1
241
240
1
18
9
-9
ODundee A/P
56.4525N -3.0258E
1730
1720
5.16
5
-0.16
-1.50
-5
-3.5
3216
4000
784
1012.3
1011
-1.3
347
320
27
22
16
-6
PRAF Kinloss
57.6456N -3.5635E
1700
1650
4.91
5
0.09
-0.30
-1
-0.7
2299
2400
101
1013.1
1012
-1.1
312
290
22
13
13
0
QNorwich A/P
52.6333N 1.3000W
1730
1720
10.23
9
-1.23
4.88
6
1.12
2087
1200
-887
1011.0
1011
0
356
VRB
0
9
2
-7
SLuton A/P
51.8747N -0.3683E
1730
1720
10.68
9
-1.68
5.02
7
1.98
2893
800
-2093
1012.4
1012
-0.4
322
320
2
22
15
-7
TCardiff Intl A/P
51.3967N -3.3433E
1730
1720
11.26
12
0.74
5.13
7
1.87
2689
2000
-689
1015.2
1014
-1.2
330
300
30
16
15
-1
UNewcastle A/P
55.0375N -1.6917E
1730
1720
4.19
5
0.81
-0.06
0
0.06
1961
2000
39
1009.9
1010
0.1
295
330
35
30
16
-14
VBelfast / Aldergrove A/P
54.6633N -6.2258E
1730
1720
4.31
6
1.69
0.31
-3
-3.31
2015
3600
1585
1019.9
1018
-1.9
333
330
3
26
18
-8
WManchester A/P
53.3537N -2.2750E
1730
1720
7.21
9
1.79
0.02
-3
-3.02
3280
4800
1520
1014.5
1014
-0.5
306
290
16
21
17
-4
XGlasgow A/P
55.8719N -4.4331E
1730
1720
5.69
7
1.31
-3.16
-5
-1.84
3873
4800
927
1014.9
1014
-0.9
325
300
25
26
19
-7
YEdinburgh A/P
55.9500N -3.3500E
1730
1720
5.39
7
1.61
-3.84
-5
-1.16
3843
4800
957
1013.4
1012
-1.4
326
330
4
20
11
-9
ZHeathrow A/P
51.4775N -0.4614E
1730
1720
11.18
13
1.82
7.82
7
-0.82
1601
2400
799
1012.5
1012
-0.5
338
270
68
20
13
-7
1Southampton A/P
50.9499N -1.3585E
1730
1720
13.76
13
-0.76
6.66
3
-3.66
2836
4000
1164
1013.3
1013
-0.3
311
270
41
14
12
-2
2Leeds A/P
53.8618N -1.6653E
1730
1720
6.96
5
-1.96
-1.34
-1
0.34
3984
2400
-1584
1012.6
1010
-2.6
297
310
13
25
21
-4
3Dublin A/P
53.4215N -6.2977E
1730
1730
7.33
8
0.67
-2.35
-2
0.35
4257
4000
-257
1020.0
1018
-2
334
330
4
22
18
-4
Stornaway A/P
58.2156N -6.3311E
1730
1720
6.88
4
-2.88
0.72
3
2.28
2690
400
-2290
1014.9
1013
-1.9
349
340
9
25
15
-10
4Tiree
56.5000N -6.8828E
1730
1720
5.92
5
-0.92
0.69
-1
-1.69
2112
2400
288
1018.6
1017
-1.6
321
330
9
35
24
-11
5Benbecula
57.4811N -7.3628E
1730
1720
6.68
4
-2.68
3.31
3
-0.31
1567
400
-1167
1017.7
1017
-0.7
334
330
4
38
29
-9
6Ronaldsway A/P
54.0853N -4.6320E
1730
1720
6.21
8
1.79
2.27
-4
-6.27
1871
4800
2929
1017.3
1016
-1.3
334
320
14
30
25
-5
RAF Boulmer
55.4209N -1.6012E
1700
1650
6.15
8
1.85
3.40
-1
-4.4
1255
3600
2345
1008.0
1009
1
314
300
14
35
17
-18
Aberdeen A/P
57.2049N -2.2053E
1730
1720
2.25
2
-0.25
0.88
1
0.12
870
400
-470
1012.0
1011
-1
329
320
9
13
18
5
8Coventry A/P
52.3697N -1.4797E
1700
1650
9.56
11
1.44
1.29
4
2.71
3839
2800
-1039
1014.2
1013
-1.2
323
310
13
21
12
-9
Humberside A/P
53.5744N -0.3508E
1730
1720
8.40
12
3.6
-0.36
1
1.36
3918
4400
482
1011.7
1010
-1.7
295
290
5
20
15
-5
Staverton A/P
51.8923N -2.1608E
1730
1720
9.42
10
0.58
3.68
8
4.32
2688
800
-1888
1014.7
1013
-1.7
346
360
14
18
2
-16
Islay A/P
55.6814N -6.2498E
1730
1720
5.16
5
-0.16
-0.28
-2
-1.72
2420
2800
380
1018.9
1018
-0.9
326
330
4
29
24
-5
Eglinton A/P
55.0428N -7.1611E
1700
1650
4.18
7
2.82
-0.71
-2
-1.29
2239
3600
1361
1021.5
1020
-1.5
341
340
1
27
24
-3
Doncaster A/P
53.4747N -1.0044E
1730
1720
8.40
12
3.6
-0.31
-3
-2.69
3761
6000
2239
1012.7
1012
-0.7
298
290
8
24
19
-5
7Pembrey Sands Stn
51.7144N -4.3675E
1700
1650
9.56
10
0.44
4.06
6
1.94
2426
1600
-826
1017.1
1016
-1.1
357
350
7
21
13
-8
0RNAS Yeovilton
51.0063N -2.6428E
1700
1650
12.56
13
0.44
6.70
6
-0.7
2623
2800
177
1014.7
1014
-0.7
305
300
5
17
14
-3


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