Alert archive / Oregon / Snow Advisories in 2006

Snow Advisory 21, NWS Portland, OR

September 14, 2006

NWS Portland, OR issued this snow advisory at Sep 14, 2006, 1:32 PM PDT. It took effect at Sep 14, 2006, 2:00 PM PDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Sep 14, 2006, 1:32 PM PDT (20:32 UTC)
In effect from
Sep 14, 2006, 2:00 PM PDT
Expired
Sep 15, 2006, 9:07 AM PDT
In force
19 hr
Issued by
NWS Portland, OR

What forecasters said that day

The local office's own words before this snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Portland, OR wrote its last area forecast discussion before this snow advisory went out at Sep 14, 9:00 AM PDT, 4 hours 32 minutes earlier.

Area forecast discussion, Sep 14, 9:00 AM PDT, 4 hours 32 minutes before
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Hazardous weather outlook, Sep 14, 5:20 AM PDT, 8 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PORTLAND OR
520 AM PDT THU SEP 14 2006

ORZ001>013-PZZ210-250-255-270-275-WAZ019>023-039-040-151230-
NORTH OREGON COAST-CENTRAL OREGON COAST-
COAST RANGE OF NORTHWEST OREGON-
CENTRAL COAST RANGE OF WESTERN OREGON-LOWER COLUMBIA-
GREATER PORTLAND METRO AREA-CENTRAL WILLAMETTE VALLEY-
SOUTH WILLAMETTE VALLEY-WESTERN COLUMBIA RIVER GORGE-
NORTHERN OREGON CASCADE FOOTHILLS-NORTHERN OREGON CASCADES-
CASCADE FOOTHILLS IN LANE COUNTY-CASCADES IN LANE COUNTY-
COLUMBIA RIVER BAR-
COASTAL WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR OUT
20 NM-COASTAL WATERS FROM CASCADE HEAD TO FLORENCE OR OUT 20 NM-
WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR FROM 20 TO
60 NM-WATERS FROM CASCADE HEAD TO FLORENCE OR FROM 20 TO 60 NM-
SOUTH WASHINGTON CASCADES-WILLAPA HILLS-SOUTH WASHINGTON COAST-I-
5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA-
SOUTH WASHINGTON CASCADE FOOTHILLS-
520 AM PDT THU SEP 14 2006

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Sep 14, 9:44 AM PDT, 3 hours 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORTLAND OR
944 AM PDT THU SEP 14 2006

WAZ019-040-151900-
SOUTH WASHINGTON CASCADES-SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF...COLDWATER RIDGE VISITORS CENTER...
MOUNT ST. HELENS...TOUTLE...ARIEL...COUGAR
944 AM PDT THU SEP 14 2006

...WIND FORECAST FOR MOUNT ST HELENS FOR PLANNING PURPOSES...

.SYNOPSIS...WINDS ALOFT WERE FROM THE NORTHWEST EARLY THIS MORNING
BUT WILL BECOME MORE WESTERLY THE REST OF TODAY AND EARLY
TONIGHT...THEN TURN MORE NORTHERLY LATER TONIGHT AND FRIDAY AS A
COLD UPPER LEVEL LOW SAGS SOUTH OVER THE AREA TODAY AND
TONIGHT...THEN DRIFTS EAST BY SATURDAY.

==================================================================
KEY TO DECODING THE WIND DATA... FORMAT... 168025 WHERE FIRST
THREE DIGITS ARE THE WIND DIRECTION AND THE LAST THREE DIGITS ARE
THE WIND SPEED. IN THIS EXAMPLE, WIND IS FROM 168 (SOUTH) AT 25
MPH.

***** ALL WIND DATA ARE IN MILES PER HOUR *****
==================================================================

SALEM OBSERVED BALLOON SOUNDING WINDS AT 0500 PDT ON 9/14/06
   200 FT      260007 (MPH)
   300 FT      260008 (MPH)
  1000 FT      270009 (MPH)
  2000 FT      295010 (MPH)
  2500 FT      300010 (MPH)
  3000 FT      310012 (MPH)
  4000 FT      320017 (MPH)
  4700 FT      325022 (MPH)
  6000 FT      320026 (MPH)
  7000 FT      315029 (MPH)
  8000 FT      315033 (MPH)
  9000 FT      315036 (MPH)
  9800 FT      310036 (MPH)
 12000 FT      315040 (MPH)
 14000 FT      315052 (MPH)
 15000 FT      315059 (MPH)
 16000 FT      310059 (MPH)
 18200 FT      305061 (MPH)
 20000 FT      300062 (MPH)
 23500 FT      295064 (MPH)
 25000 FT      295075 (MPH)
 30000 FT      285063 (MPH)
 30100 FT      285063 (MPH)
 32000 FT      275058 (MPH)
 34000 FT      270071 (MPH)
 34100 FT      270070 (MPH)
 35000 FT      275074 (MPH)
 37000 FT      280054 (MPH)
 38900 FT      285070 (MPH)
 39000 FT      285070 (MPH)
 44000 FT      280063 (MPH)
 45000 FT      285060 (MPH)
 50000 FT      280043 (MPH)
 53000 FT      280035 (MPH)
 53600 FT      285035 (MPH)

FORECAST WINDS FOR MOUNT ST HELENS
ELEV.   09/14 0500PDT  09/14 1700PDT  09/15 0500PDT  09/15 1700PDT
  3000         270009         231010         228007         271007
  6000         293020         254015         272007         298010
  9000         308024         262017         295004         316010
 12000         311033         273016         318005         322013
 15000         305038         271016         352006         322016
 18000         301043         267015         005010         325018
 21000         299053         262018         009017         330025
 24000         295061         255026         163021         332037
 27000         290064         251034         339021         328048
 30000         282064         253039         314019         327054
 33000         280068         261042         300021         326057
 36000         281064         269043         301025         325054
 39000         280061         276041         300026         324049
 42000         277063         281035         294023         324043
 45000         275061         283031         291021         320037
 48000         275048         278029         291020         307031
 51000         275036         272027         291019         295025

FOR ADDITIONAL WEATHER INFORMATION...VISIT OUR WEB SITE AT
WWW.WEATHER.GOV/PORTLAND

The office that day

Everything else NWS Portland, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 3:38 PM PDTSevere Thunderstorm WarningPQRClackamas37 min
Sep 14, 4:18 PM PDTSevere Thunderstorm WarningPQRClark27 min

Nearby

Snow Advisories in Oregon, 2006Every snow advisory in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.