Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >
Forecast Example from 2010
5 day time frame Individual synopsis and outlook for each Great Lake Increased spatial and temporal details via individual forecast zones Increased MAFOR information .SYNOPSIS...RECORD BREAKING LOW PRESSURE OF 28.3 INCHES WILL GRADUALLY MOVE NORTHEASTWARD FROM INTERNATIONAL FALLS MINNESOTA BY WEDNESDAY AFTERNOON. ON THURSDAY MORNING THE LOW WILL BE OVER JAMES BAY AT 29.1 INCHES. IN ITS WAKE...HIGH PRESSURE OF 30.4 INCHES WILL SETTLE OVER THE WESTERN PLAINS THURSDAY. THE HIGH WILL THEN SHIFT TO THE TENNESSEE VALLEY BY FRIDAY AS IT WEAKENS TO 30.2 INCHES. ON SATURDAY MORNING A LOW PRESSURE TROUGH OF 30.0 INCHES WILL DROP SOUTHEAST OVER THE UPPER GREAT LAKES. HIGH PRESSURE OF 30.1 INCHES WILL MOVE IN OVER THE GREAT LAKES SATURDAY EVENING INTO SUNDAY. LSZ162-270915- LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5NM- 912 PM EDT TUE OCT 26 2010 /812 PM CDT TUE OCT 26 2010/ ...STORM WARNING IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF TONIGHT...SOUTHWEST STORM FORCE WINDS TO 60 KNOTS. RAIN SHOWERS. WAVES 7 TO 10 FEET BUILDING TO 20 TO 25 FEET. .WEDNESDAY...SOUTHWEST STORM FORCE WINDS TO 55 KNOTS DIMINISHING TO 50 KNOTS. RAIN SHOWERS LIKELY. WAVES SUBSIDING TO 12 TO 17 FEET. .WEDNESDAY NIGHT...WEST STORM FORCE WINDS TO 50 KNOTS BECOMING NORTHWEST GALES TO 45 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 7 TO 10 FEET. .THURSDAY...NORTHWEST GALES TO 45 KNOTS BECOMING WEST GALES TO 40 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES 9 TO 12 FEET. .THURSDAY NIGHT...WEST GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET. .FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO 20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET. .FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. .SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO 3 FEET. .SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET. $$ ... LSZ261-280400- MAFOR 2721/ SUPERIOR WEST...GALE WARNING IN EFFECT... 11666 11650 11660 13760 11750 11640. WAVES 15 TO 19 FEET SUBSIDING TO 10 TO 14 FEET TONIGHT. SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11566 12660 12766 11760 12750. WAVES 16 TO 21 FEET TONIGHT SUBSIDING TO WAVES 13 TO 17 FEET THURSDAY. SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT... 12566 12666 11766 11760 11750 11760. WAVES 12 TO 17 FEET. SUPERIOR EAST...GALE WARNING IN EFFECT...12576 13666 11766 11756 11766. WAVES 15 TO 20 FEET. $$ |
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