A tight pressure gradient and a frontal passage brought high winds to the Irrigon and Boardman areas during the late afternoon. Gusts between 59 and 63 mph were observed.
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The episode as NWS PDT wrote it up.
A tight pressure gradient and a frontal passage brought high winds to the Irrigon and Boardman areas during the late afternoon. Gusts between 59 and 63 mph were observed.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pendleton, OR wrote its last area forecast discussion before the first event at Feb 15, 2:25 PM PST, 1 hour 5 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
225 PM PST THU FEB 15 2007
.SHORT TERM...TODAY THROUGH SATURDAY NIGHT. CHALLENGE THIS PACKAGE
IS WITH ADVISORY WINDS FOR THIS EVENING ACROSS PORTIONS OF THE BASIN
AND FOOTHILLS AND CENTRAL OREGON. OTHERWISE A STEADY STREAM OF
MOISTURE WILL CONTINUE MOVING INTO OUR AREA TONIGHT WITH SHOWERS
PERSISTING. THE BULK OF THE PCPN SHOULD DRIFT SOUTH AND FALL MOSTLY
INTO OREGON AND AREA MOUNTAINS. BY THE WEEKEND A RIDGE OF HIGH
PRESSURE BUILDS INTO THE TWO STATE AREA AND DRY CONDITIONS SHOULD
PREVAIL FOR SATURDAY. ANOTHER DISTURBANCE TAKES AIM ON THE PACNW
SATURDAY NIGHT WITH SOME SHOWERS SPREADING INTO THE CASCADES.
TEMPERATURES FOR FRIDAY SHOULD BE SLIGHTLY ABOVE NORMAL AND BY
SATURDAY AFTERNOON THE HIGHS MAY APPROACH 60 DEGREES ACROSS PORTIONS
OF THE AREA.
.LONG TERM...SUNDAY THROUGH THURSDAY...MODELS ARE IN GOOD AGREEMENT
ABOUT THE AREA HAVING AN UNSETTLED PATTERN THROUGH THE EXTENDED
PERIOD BUT DIFFER IN THE DETAILS. AN UPPER LEVEL TROUGH MOVING
THROUGH THE AREA SUNDAY AND SUNDAY NIGHT WILL LEAD TO A CHANCE OF
RAIN ACROSS THE AREA SUNDAY TAPERING OFF TO A SLIGHT CHANCE OF RAIN
AND MOUNTAIN SNOW SUNDAY NIGHT. A RIDGE WILL ATTEMPT TO BUILD OVER
THE AREA MONDAY BUT LOW PRESSURE IN THE GULF OF ALASKA WILL PREVENT
IT FROM GAINING MUCH STRENGTH. THIS WILL ALLOW A SERIES OF WAVES TO
MOVE OVER A FLAT RIDGE ACROSS THE AREA MONDAY THROUGH THURSDAY.
GIVEN MODEL DIFFERENCES...HAVE NOT TRIED TO GET TOO SPECIFIC AT THIS
POINT AND KEPT A SLIGHT CHANCE OF PRECIPITATION WITH A CHANCE OF
PRECIPITATION IN THE MOUNTAINS DURING EACH PERIOD. TEMPERATURES WILL
COOL THROUGH THE PERIOD AND END UP NEAR TO SLIGHTLY BELOW NORMAL BY
THURSDAY. 83
&&
.AVIATION...FRONT MOVING THROUGH THE AREA TODAY HAS LEAD TO PARTIAL
CLEARING AND VFR CEILINGS. SHOWERS WILL CONTINUE THROUGH THIS
EVENING OVER THE MOUNTAINS BUT HAVE ABOUT ENDED ELSEWHERE. VFR
CONDITIONS WILL GENERALLY CONTINUE FOR THE NEXT 24 HOURS ALTHOUGH
TEMPORARY MVFR CONDITIONS ARE POSSIBLE THROUGH THIS EVENING NEAR THE
STRONGER SHOWERS. GUSTY SURFACE WINDS TO 35 KTS ARE POSSIBLE THROUGH
THIS EVENING AT ALL TAF LOCATIONS EXCEPT KYKM WHICH WILL SEE WINDS
TO 30 KTS. 83
&&
.PRELIMINARY POINT TEMPS/POPS...
PDT 44 55 36 57 / 20 10 10 0
ALW 44 55 36 60 / 20 10 10 0
PSC 38 57 34 60 / 10 10 10 0
YKM 35 55 32 57 / 10 10 10 0
HRI 41 55 33 61 / 10 10 10 0
ELN 34 53 31 56 / 20 10 10 0
RDM 38 54 29 62 / 30 30 20 0
LGD 38 50 32 58 / 40 20 10 0
GCD 38 50 30 56 / 30 20 10 0
DLS 45 56 37 62 / 20 20 10 0
&&
.PDT WATCHES/WARNINGS/ADVISORIES...
OR...WIND ADVISORY UNTIL 10 PM PST THIS EVENING FOR ORZ041>044-501-
504.
WA...WIND ADVISORY UNTIL 10 PM PST THIS EVENING FOR WAZ024-026>029-
502.
&&
TI:GGG
FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT...
WWW.WEATHER.GOV/PENDLETON
97/83/83HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
128 PM PST THU FEB 15 2007
ORZ041-WAZ024-501-502-026>030-ORZ042>044-049-050-501>506-161315-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON-
EAST SLOPES OF THE SOUTHERN CASCADES OF WASHINGTON-
KITTITAS VALLEY-YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS-NORTH CENTRAL OREGON-CENTRAL OREGON-
LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY-
FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-
NORTHERN WHEELER AND SOUTHERN GILLIAM COUNTIES-JOHN DAY BASIN-
OCHOCO-JOHN DAY HIGHLANDS-
128 PM PST THU FEB 15 2007
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
STRONG WIND
EAST SLOPES OF THE SOUTHERN CASCADES OF WASHINGTON, KITTITAS
VALLEY, YAKIMA VALLEY, LOWER COLUMBIA BASIN OF WASHINGTON,
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON, NORTH CENTRAL
OREGON, CENTRAL OREGON, LOWER COLUMBIA BASIN OF OREGON,
FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON, NORTHERN WHEELER
AND SOUTHERN GILLIAM COUNTIES
A STORM SYSTEM MOVING INTO THE PACIFIC NORTHWEST TODAY AND TONIGHT
WILL CONTINUE TO PRODUCE RAIN AND WILL ALSO CAUSE INCREASING WINDS.
THE WINDS WILL BE IN THE 25 TO 35 MPH RANGE OVER MUCH OF THE REGION
BELOW 3500 FEET LATE THIS AFTERNOON AND THIS EVENING. A WIND
ADVISORY HAS BEEN ISSUED FOR MAY ZONES THROUGH 10 PM THIS EVENING.
FOR FURTHER DETAILS PLEASE REFER TO PRODUCT PDXNPWPDT. ALSO SNOW
LEVELS WILL BE FAIRLY HIGH KEEPING ACCUMULATING SNOW TO THE HIGHER
MOUNTAINS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
RAIN AND MOUNTAIN SNOW WILL CONTINUE INTO FRIDAY. HIGH PRESSURE WILL
BUILD IN FRIDAY NIGHT WITH PRECIPITATION ENDING. FAIR WEATHER
SATURDAY. NEXT STORM MOVES IN SUNDAY WITH ADDITIONAL RAIN AND SNOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED.
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
GRAPHICAL FORECASTS OF WEATHER HAZARDS OUT TO SEVEN DAYS
ARE DISPLAYED ON THE WORLD WIDE WEB AT:
WWW.WRH.NOAA.GOV/PENDLETON/CURRENTHAZARDS/HWO.HTML
ALL LETTERS IN THE ABOVE URL ARE LOWER CASE...EXCEPT THE H IN
CURRENTHAZARDS.The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Wind gusts from the CSEPP mesonet included 59 mph 3 miles southwest of Irrigon at 344 pm, 60 mph in North Boardman at 400 pm, 63 mph 3 miles southwest of Irrigon at 410 pm, and 61 mph 4 miles south southeast of Irrigon at 510 pm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2007Every state in 2007This day in weather historyWarnings in Oregon, February 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 8718.