| UPPER AIR PATTERN AT APPROXIMATELY FL180 |
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SYNOPSIS...SHOWERS WILL DECREASE THIS AFTERNOON AS AN UNUSUALLY DEEP UPPER LEVEL LOW OVER VANCOUVER ISLAND SHIFTS EAST AND WEAKENS. AN UPPER LEVEL RIDGE WILL DEVELOP OVER THE AREA FRIDAY AND FRIDAY NIGHT...THEN WILL SHIFT EAST SATURDAY. THE RIDGE WILL BRING DRY AND WARMER CONDITIONS TO THE AREA. ANOTHER FRONTAL SYSTEM WILL MOVE THROUGH THE AREA SUNDAY OR SUNDAY NIGHT. THIS FRONT WILL BRING ANOTHER ROUND OF WET CONDITIONS TO THE AREA. |
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SEA TRACON WEATHER IMPACTS ISSUED: 8/21/2008 11:51:01 AM |
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| PSCZ | CONF | TIME | WIND SHIFT INFO |
| BFI | |||
| SEA | |||
| WIND (>40KT AOB 050) | DIR/SPD/LEVEL | ||
| SEA | |||
| TS (WITHIN 10 MILES) | |||
| BFI | |||
| SEA | |||
| FOG (VIS < 1 MILE) | |||
| BFI | |||
| SEA | |||
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CURRENT ZSE ARTCC WEATHER HAZARDS |
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| Issued: 8/21/2008 12:09:42 PM | ||||
| AREAS | ||||
| HAZARDS | A | B | C | D |
| ICING | X | X | X | |
| LO-TURB | X | X | X | X |
| LLWS | ||||
| HI-TURB | X | X | X | X |
| TSTM | X | |||
| CIG <050 | X | X | X | X |
| IFR | X | |||
| Click here for ZSE Area Map | ||||
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| CURRENT RADAR/SATELLITE IMAGES |
 Radar | VIS | IR | WV |
| ZSE CWSU SEATTLE TRACON TACTICIAL DECISION AIDS | |||||
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| Compression TDA | Convective TDA | Terminal TDA | Flight Categories | Freezing Levels | Convergence Zone |
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