Description
The QGDG70 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QG): Significant weather A1 (D): 90°E - 0° northern hemisphere A2 (G): 18 hours forecast T1ii (Q70): 700 hPa (Remarks from Volume-C: H+18 below FL 245 SWL)
Resources
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