Severe weather outbreak possible over portions of the Southern Plains today and tonight

Severe thunderstorms will likely develop over portions of Texas and Oklahoma this afternoon into tonight. Very large hail, destructive winds, isolated tornadoes, and heavy downpours will be the main threats. Heavy rain could lead to localized flash flooding concerns. Additional severe weather is forecast each day through Thursday.
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Last Update: 817 AM PDT TUE MAR 28 2017

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Portland, OR Local Forecast Office

10NM NNW Cape Lookout OR

Marine Zone Forecast


...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING...
Synopsis: A WARM FRONT MOVES ACROSS THE WATERS THIS MORNING BEFORE A COLD FRONT SLOWLY MOVES THROUGH THIS AFTERNOON THROUGH WEDNESDAY MORNING. HIGH PRESSURE BUILDS WEDNESDAY NIGHT THROUGH THURSDAY NIGHT THEN HOLDS OVER THE WATERS THROUGH FRIDAY. A WEAK FRONT WILL MOVE ACROSS THE WATERS SATURDAY MORNING.

Today
S wind 20 to 25 kt with gusts to 30 kt. Wind waves S 6 ft at 8 seconds. W swell 10 ft at 16 seconds. Secondary swell W 8 ft at 11 seconds. Occasional rain.
Tonight
S wind 20 to 25 kt with gusts to 35 kt. Combined seas 15 ft dominant period 16 seconds. Rain.
Wed
SW wind 20 to 25 kt with gusts to 35 kt in the morning...easing to 15 to 20 kt in the early afternoon. Wind waves SW 5 ft at 7 seconds. W swell 11 ft at 15 seconds. Rain in the morning...then showers likely in the afternoon.
Wed Night
NW wind 10 to 15 kt with gusts to 20 kt. Wind waves NW 3 ft at 5 seconds. W swell 11 ft at 13 seconds... Subsiding to 9 ft at 13 seconds after midnight. Chance of showers.
Thu
NW wind 15 to 20 kt. Wind waves NW 3 ft at 6 seconds. W swell 8 ft at 13 seconds. Chance of showers.
Thu Night
NW wind 10 to 15 kt...easing to 5 to 10 kt after midnight. Gusts to 20 kt. Wind waves NW 2 ft at 5 seconds. W swell 8 ft at 15 seconds.
Fri
SW wind 5 to 10 kt. Wind waves 2 ft. W swell 8 ft.
Sat
W wind 10 to 15 kt. Wind waves 3 ft. W swell 9 ft.
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ABOUT THIS FORECAST

Last Update: 817 AM PDT TUE MAR 28 2017
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