weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

3 products issued by NWS for: 2 Miles SE Mount Hood OR

Winter Storm Watch

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
227 PM PST FRI NOV 20 2009

ORZ011-013-WAZ019-210700-
/O.NEW.KPQR.WS.A.0007.091122T0000Z-091122T1800Z/
/O.CON.KPQR.WW.Y.0040.000000T0000Z-091122T0000Z/
NORTHERN OREGON CASCADES-CASCADES IN LANE COUNTY-
SOUTH WASHINGTON CASCADES-
INCLUDING THE CITIES OF...GOVERNMENT CAMP...DETROIT...
SANTIAM PASS...MCKENZIE BRIDGE...OAKRIDGE...WILLAMETTE PASS...
COLDWATER RIDGE VISITORS CENTER...MOUNT ST. HELENS
227 PM PST FRI NOV 20 2009

...WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 4 PM
PST SATURDAY...
...WINTER STORM WATCH FOR SNOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A WINTER
STORM WATCH FOR SNOW...WHICH IS IN EFFECT FROM
SATURDAY AFTERNOON THROUGH SUNDAY MORNING. A WINTER WEATHER
ADVISORY FOR SNOW IN EFFECT FROM 10 AM FRIDAY TO 4 AM PST
SATURDAY FOR THE SOUTH WASHINGTON AND NORTH OREGON CASCADES
REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY.

A COLDER AIR MASS IS SPREADING OVER THE FORECAST AREA TODAY
...ALLOWING SNOW LEVELS TO FALL TO 2500 FEET IN SOUTH WASHINGTON
CASCADES...AND TO 3000 FEET IN THE NORTH OREGON CASCADES BY LATE
AFTERNOON. NEW ACCUMULATIONS OF SNOW FOR THE REMAINDER OF TODAY
AND TONIGHT ARE EXPECTED TO TOTAL 8 TO 12 INCHES.

SHOWERS WILL DECREASE A BIT LATE TONIGHT THROUGH SATURDAY
MORNING...BUT ANOTHER FRONT WILL ARRIVE LATER SATURDAY. THIS WILL
BRING ANOTHER ROUND OF SIGNIFICANT SNOW TO THE CASCADES AS SNOW
LEVELS REMAIN LOW. ON SATURDAY...SNOW LEVELS WILL RISE BRIEFLY TO
3500 FEET IN SOUTH WASHINGTON AND TO 4000 FEET IN OREGON...BUT
FALL BACK TO 2000 TO 2500 FEET SATURDAY NIGHT. NEW ACCUMULATIONS
OF SNOW OF 12 TO 18 INCHES ARE LIKELY SATURDAY AFTERNOON THROUGH
EARLY SUNDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$








Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
227 PM PST FRI NOV 20 2009

ORZ011-013-WAZ019-210700-
/O.NEW.KPQR.WS.A.0007.091122T0000Z-091122T1800Z/
/O.CON.KPQR.WW.Y.0040.000000T0000Z-091122T0000Z/
NORTHERN OREGON CASCADES-CASCADES IN LANE COUNTY-
SOUTH WASHINGTON CASCADES-
INCLUDING THE CITIES OF...GOVERNMENT CAMP...DETROIT...
SANTIAM PASS...MCKENZIE BRIDGE...OAKRIDGE...WILLAMETTE PASS...
COLDWATER RIDGE VISITORS CENTER...MOUNT ST. HELENS
227 PM PST FRI NOV 20 2009

...WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 4 PM
PST SATURDAY...
...WINTER STORM WATCH FOR SNOW IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A WINTER
STORM WATCH FOR SNOW...WHICH IS IN EFFECT FROM
SATURDAY AFTERNOON THROUGH SUNDAY MORNING. A WINTER WEATHER
ADVISORY FOR SNOW IN EFFECT FROM 10 AM FRIDAY TO 4 AM PST
SATURDAY FOR THE SOUTH WASHINGTON AND NORTH OREGON CASCADES
REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY.

A COLDER AIR MASS IS SPREADING OVER THE FORECAST AREA TODAY
...ALLOWING SNOW LEVELS TO FALL TO 2500 FEET IN SOUTH WASHINGTON
CASCADES...AND TO 3000 FEET IN THE NORTH OREGON CASCADES BY LATE
AFTERNOON. NEW ACCUMULATIONS OF SNOW FOR THE REMAINDER OF TODAY
AND TONIGHT ARE EXPECTED TO TOTAL 8 TO 12 INCHES.

SHOWERS WILL DECREASE A BIT LATE TONIGHT THROUGH SATURDAY
MORNING...BUT ANOTHER FRONT WILL ARRIVE LATER SATURDAY. THIS WILL
BRING ANOTHER ROUND OF SIGNIFICANT SNOW TO THE CASCADES AS SNOW
LEVELS REMAIN LOW. ON SATURDAY...SNOW LEVELS WILL RISE BRIEFLY TO
3500 FEET IN SOUTH WASHINGTON AND TO 4000 FEET IN OREGON...BUT
FALL BACK TO 2000 TO 2500 FEET SATURDAY NIGHT. NEW ACCUMULATIONS
OF SNOW OF 12 TO 18 INCHES ARE LIKELY SATURDAY AFTERNOON THROUGH
EARLY SUNDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$








Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PORTLAND OR
354 AM PST FRI NOV 20 2009

ORZ011-013-WAZ019-211200-
NORTHERN OREGON CASCADES-CASCADES IN LANE COUNTY-
SOUTH WASHINGTON CASCADES-
354 AM PST FRI NOV 20 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
OREGON AND SOUTHWEST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER ADVISORY FOR SNOW IS IN EFFECT FOR THIS AFTERNOON
THROUGH TONIGHT. COLDER AIR MASS WILL ARRIVE TODAY...ALLOWING SNOW
LEVELS TO FALL TO AROUND 2500 TO 3000 FEET. ACCUMULATIONS OF SNOW
FOR TODAY AND TONIGHT MAY TOTAL 8 TO 15 INCHES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS DECREASING A BIT SATURDAY MORNING...BUT ANOTHER FRONT
ARRIVES DURING THE AFTERNOON AND EVENING. THIS WILL BRING ANOTHER
ROUND OF SIGNIFICANT SNOW TO THE CASCADES AS SNOW LEVELS REMAIN
LOW. SNOW LEVELS WILL RISE TO AROUND 4000 FEET ON SATURDAY...BUT
FALL BACK TO 2000 FEET SATURDAY NIGHT. NEW ACCUMULATIONS OF SNOW
FOR SATURDAY AFTERNOON AND SATURDAY NIGHT WILL BE IN THE 12 TO 18
INCHES RANGE. EXPECT WINTER CONDITIONS OVERALL ALL THE CASCADES
THIS WEEKEND.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.


$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE