Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible.
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Last Update: 840 PM PDT WED MAR 22 2017

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Seattle, WA Local Forecast Office

48NM NNE Port Angeles WA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

Synopsis: ONSHORE FLOW ACROSS WESTERN WASHINGTON WILL EASE TONIGHT. A VIGOROUS PACIFIC FRONTAL SYSTEM WILL MOVE INTO THE OFFSHORE WATERS THU AND INLAND THU NIGHT...WITH GALE FORCE WINDS OVER MUCH OF THE FORECAST AREA. A WEAK TROUGH WILL FOLLOW THE FRONT ON FRI AND WEAK HIGH PRES WILL BUILD OVER THE REGION SAT. ANOTHER PACIFIC FRONTAL SYSTEM WILL MOVE THROUGH SUN NIGHT.

Tonight
SW wind 15 to 25 kt becoming S after midnight. Wind waves 2 to 4 ft. A chance of showers.
Thu
SE wind 20 to 30 kt. Wind waves 3 to 5 ft. A chance of rain in the afternoon.
Thu Night
SE wind 25 to 35 kt. Wind waves 4 to 6 ft. Rain in the evening then rain likely after midnight.
Fri
SE wind 15 to 25 kt becoming S 15 to 20 kt in the afternoon. Wind waves 2 to 4 ft.
Fri Night
S wind 5 to 15 kt. Wind waves 2 ft or less.
Sat
SW wind 5 to 15 kt. Wind waves 2 ft or less.
Sat Night
SW wind 5 to 15 kt. Wind waves 2 ft or less.
Sun
E wind 5 to 15 kt becoming NE to 10 kt. Wind waves 2 ft or less.
Mon
NE wind 5 to 15 kt becoming W. Wind waves 2 ft or less.
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ABOUT THIS FORECAST

Last Update: 840 PM PDT WED MAR 22 2017
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