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St-Athan observations (nearest observation site to Mountain Ash)

Mountain Ash forecast
Wed 18 Jan 2017
0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Mist Overcast Mist Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Partly cloudy night Mist
5.0 ° 4.7 ° 4.8 ° 4.7 ° 4.5 ° 4.2 ° 4.3 ° 4.4 ° 4.8 ° 5.0 ° 5.4 ° 5.7 ° 5.1 ° 5.2 ° 5.0 ° 4.9 ° 4.6 ° 4.5 ° 3.4 ° 2.7 ° 2.7 °
Wind direction, speed & gust (mph) arrow down
E 7 E 7 ESE 6 E 6 ENE 6 NE 5 E 6 E 7 E 6 ESE 6 ENE 5 ESE 6 ESE 5 E 5 NE 5 NNE 6 NNE 5 ENE 6 ENE 5 ENE 6 ENE 3
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P P P M P M M M M M M G G G G M M M M M M
Humidity arrow down
96% 97% 96% 93% 93% 92% 93% 88% 87% 85% 81% 79% 80% 83% 81% 83% 85% 87% 90% 94% 96%
Pressure (hPa) arrow down
1037 1037 1037 1037 1037 1038 1038 1039 1039 1039 1038 1038 1038 1038 1038 1038 1038 1038 1038 1038 1038
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R F R R R R R R F F F F R R R R R F F
Thu 19 Jan 2017
0000 0100 0200 0300
Mist Mist Mist Fog
2.5 ° 2.1 ° 1.0 ° 1.6 °
Wind direction, speed & gust (mph) arrow down
E 5 ENE 3 E 5 ENE 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P P P VP
Humidity arrow down
95% 97% 97% 99%
Pressure (hPa) arrow down
1038 1038 1038 1038
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R F F
More detail arrow down

Issued at: 0300 on Thu 19 Jan 2017

= No Data