Low level flight conditions over Iceland

                 Low level flight conditions over Iceland


OUTLOOK 1700 - 2300 GMT.

Winds/temperature at significant levels:
FL050: 220/45-70KT, strongest in the NE, -00
FL100: 230/55-70KT, strongest in the N, -10
FL180: 230/40-55KT in the S and SE, but 220/60-90KT, strongest in the NW, -26

Overview of weather systems:
Over Ireland is a 1038 mb high moving east, over Greenalnd is an extensive 984 mb low and a low is forming over the Greenland strait.

Near surface winds:
SW-erly 35-55 KT, strongest in the N part.

Cloud heights/visibility/weather:
BKN/OVC at 0500-1500 FT and poor visibility in rain, but SCT/BKN at 4000 to 5000 FT in the E part and mostly good visibility. Tops at 28.000 FT.

Visual flight conditions in Iceland:
Impassable, but marginal in the E part.

Freezing level:
3000 to 7000 FT, highest in the E part.

Atmospheric or cloud icing:
MOD in precipitation

MOD/SEV in the N, see sigmet A.

Other information:
Mountainwaves can be seen on satelite images NE of the glaciers.

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