16) (Figure SPECI landing angle speed alternate / Wind Wind Comparison Visibility Ceiling Below Rating Forecast Thunderstorms Fog M M M M M M M M C C C C C C C C F F F F F F F 1 3 4 4 No No No 30 14 C 260 (CR) -12 FM 9000 1200 -100 -6500 4 3 5 12 3 4 No No No No M 20 26 N/A -6 Yes Yes (FA) C 500 100 230 PT VRB 2000 2500 1000 1100 3 3 17 4 3 No 10 17 P -9 Yes Yes (FA) C 500 220 2000 4998 3 -3898 1 4 2 4 No No No 60 14 C 260 -12 FM 9000 1200 -200 (MISS) -7000 2 6 No M 26 Yes Yes 200 2000 1000 3 13 0 0 1 4 No 20 N/A -6 Yes Yes C PT VRB (HIT) 2000 1000 1 2 FM 5 – 2 4 10 14 No No No C 260 -21 1 9000 1200 -100 (MISS) -7000 2 FM No M 35 Yes Yes 250 2000 1100 4 14 0 1 4 No 20 N/A Yes Yes C 100 PT VRB -15 (HIT) 2000 1000 1 2 FM 8 6 – 5 9 4 2 M 30 14 No No No No C Yes Yes 500 260 230 1 9000 1000 1200 -700 (MISS) -8000 2 FM B – F2 5 4 1 M8 50 16 11 No No C Yes Yes Yes Yes 500 210 230 (HIT) – 1500 1000 1200 -500 -700 1 F1 The middle section of Table 29 labelled between forecasts and observations’ shows ‘Comparisons typical comparisons performed between the reported and forecast parameters that are discussed in the following sections. Note that these columns were produced to enable further analysis and assessment, and were not used for operational assessment.
Forecast / SPECI Comparison Visibility Ceiling Wind angle Wind speed Thunderstorms Fog alternate Below landing Rating (Figure 16) M C F M C F M C F M C F M C F M C F M C F M C FM 1 M 5 C 3 9000 2500 -6500 1200 1100 -100 260 230 30 14 26 -12 No No 4 No No 4 No No 4 (CR) PT 3 C 12 2000 500 1000 100 VRB N/A 20 -6 Yes 3 No 4 Yes 3 (FA) P 3 C 17 500 2000 4998 -3898 220 10 17 -9 No 4 Yes 3 Yes 3 (FA) FM 1 M 6 C 4 9000 2000 -7000 1200 1000 -200 260 200 60 14 26 -12 No Yes 2 No No 4 No Yes 2 (MISS) PT 3 C 13 2000 0 1000 0 VRB N/A 20 -6 Yes 1 No 4 Yes 1 (HIT) FM 1 – FM 2 M C 5 9000 2000 -7000 1200 1100 -100 260 250 10 14 35 -21 No Yes 2 No No 4 No Yes 2 (MISS) PT 4 C 14 2000 0 1000 100 VRB N/A 20 -15 Yes 1 No 4 Yes 1 (HIT) FM 1 – FM 2 M 8 C 6 9000 1000 -8000 1200 500 -700 260 230 30 14 5 9 No No 4 No Yes 2 No Yes 2 (MISS) F1 – F2 – B M8 C 1500 1000 -500 1200 500 -700 210 230 50 16 5 11 No No 4 Yes Yes 1 Yes Yes 1 (HIT) The middle section of Table 29 labelled ‘Comparisons between forecasts and observations’ shows typical comparisons performed between the reported and forecast parameters that are discussed in the following sections. Note that these columns were produced to enable further analysis and assessment, and were not used for operational assessment.