Could be some bad news for us in PDX. People worry about Hurricanes, but this is the worst we can get over here in NW. It has been raining heavily for the last couple weeks and the ground is super saturated, allowing a strong wind to topple the trees very easily.
Wind Guide:
The following effects typically occur at various wind speeds:
/O.UPG.KPQR.HW.A.0016.061113T0300Z- 061113T1200Z/ /O.EXB.KPQR.HW.W. 0021.061113T0600Z-061113T1200Z/ LOWER COLUMBIA-GREATER PORTLAND METRO AREA- CENTRAL WILLAMETTE VALLEY-NORTHERN OREGON CASCADE FOOTHILLS-I- 5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA- SOUTH WASHINGTON CASCADE FOOTHILLS- INCLUDING THE CITIES OF... ST. HELENS...CLATSKANIE...HILLSBORO... PORTLAND...OREGON CITY...GRESHAM... SALEM...MCMINNVILLE...DALLAS... SANDY...SILVER FALLS STATE PARK... SWEET HOME...LONGVIEW...KELSO... CASTLE ROCK...VANCOUVER...BATTLE GROUND...WASHOUGAL...TOUTLE... ARIEL... COUGAR 1234 PM PST SUN NOV 12 2006...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY LOWER COLUMBIA...GREATER PORTLAND METRO AREA... CENTRAL WILLAMETTE VALLEY...NORTHERN OREGON CASCADE FOOTHILLS...I-5 CORRIDOR IN COWLITZ COUNTY...GREATER VANCOUVER AREA AND SOUTH WASHINGTON CASCADE FOOTHILLS...
THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT.
A DEEPENING LOW PRESSURE AREA OFFSHORE WILL MOVE CLOSER TO THE NORTH OREGON COAST THIS AFTERNOON...THEN MOVE ACROSS WASHINGTON TONIGHT. SOUTH WINDS OF 30 TO 35 MPH WITH GUSTS 55 TO 60 MPH ARE EXPECTED TONIGHT. THESE POTENTIAL STRONG WINDS OVER THE INLAND VALLEYS AND FOOTHILLS OF SOUTHWEST WASHINGTON AND NORTHWEST OREGON ARE EXPECTED TO DEVELOP AROUND 10 MPH BUT COULD OCCUR SOONER IF THE LOW SPEEDS UP.
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO FALLING TREES AND BRANCHES AND PROPERTY DAMAGE.
Links: http://www.wunderground.com/weathers...?ID=KORPORTL31
a local station very close to my house. Key things to look for are the Barometric Pressure and Wind Speed. The lower the Barometric Pressure, the stronger the winds will be.
Wind Guide:
The following effects typically occur at various wind speeds:
- 30 mph: Winds put large branches in motion
- 40 mph: Walking becomes difficult
- 50 mph: Weak trees blow down
- 60 mph: large limbs break off
/O.UPG.KPQR.HW.A.0016.061113T0300Z- 061113T1200Z/ /O.EXB.KPQR.HW.W. 0021.061113T0600Z-061113T1200Z/ LOWER COLUMBIA-GREATER PORTLAND METRO AREA- CENTRAL WILLAMETTE VALLEY-NORTHERN OREGON CASCADE FOOTHILLS-I- 5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA- SOUTH WASHINGTON CASCADE FOOTHILLS- INCLUDING THE CITIES OF... ST. HELENS...CLATSKANIE...HILLSBORO... PORTLAND...OREGON CITY...GRESHAM... SALEM...MCMINNVILLE...DALLAS... SANDY...SILVER FALLS STATE PARK... SWEET HOME...LONGVIEW...KELSO... CASTLE ROCK...VANCOUVER...BATTLE GROUND...WASHOUGAL...TOUTLE... ARIEL... COUGAR 1234 PM PST SUN NOV 12 2006...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY LOWER COLUMBIA...GREATER PORTLAND METRO AREA... CENTRAL WILLAMETTE VALLEY...NORTHERN OREGON CASCADE FOOTHILLS...I-5 CORRIDOR IN COWLITZ COUNTY...GREATER VANCOUVER AREA AND SOUTH WASHINGTON CASCADE FOOTHILLS...
THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT.
A DEEPENING LOW PRESSURE AREA OFFSHORE WILL MOVE CLOSER TO THE NORTH OREGON COAST THIS AFTERNOON...THEN MOVE ACROSS WASHINGTON TONIGHT. SOUTH WINDS OF 30 TO 35 MPH WITH GUSTS 55 TO 60 MPH ARE EXPECTED TONIGHT. THESE POTENTIAL STRONG WINDS OVER THE INLAND VALLEYS AND FOOTHILLS OF SOUTHWEST WASHINGTON AND NORTHWEST OREGON ARE EXPECTED TO DEVELOP AROUND 10 MPH BUT COULD OCCUR SOONER IF THE LOW SPEEDS UP.
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO FALLING TREES AND BRANCHES AND PROPERTY DAMAGE.
Links: http://www.wunderground.com/weathers...?ID=KORPORTL31
a local station very close to my house. Key things to look for are the Barometric Pressure and Wind Speed. The lower the Barometric Pressure, the stronger the winds will be.
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