A strong upper level jet and tight surface pressure gradients aided in high winds across much of the Pendleton County Warning Area. Measured gusts in MPH at 2 W Benton City (68).
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PDT wrote it up.
A strong upper level jet and tight surface pressure gradients aided in high winds across much of the Pendleton County Warning Area.
Measured gusts in MPH at 2 W Benton City (68).
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 Nov 19, 3:44 PM PST, 2 hours 31 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
344 PM PST MON NOV 19 2012
UPDATED AVIATION DISCUSSION
.SHORT TERM...TONIGHT THROUGH WEDNESDAY. A LARGE UPPER LEVEL LOW
REMAINS OFFSHORE WITH A STRONG JET STREAM INTO THE PACIFIC
NORTHWEST. THE JET IS ENHANCING RAINFALL ALONG THE FRONT MOVING INTO
WASHINGTON AND OREGON. HEAVY RAIN WILL CONTINUE OVER THE WASHINGTON
CASCADES THROUGH THE EVENING THEN MOVE SOUTHWARD INTO THE OREGON
CASCADES OVERNIGHT. SEVERAL INCHES OF RAIN ARE EXPECTED. A FLOOD
ADVISORY HAS BEEN ISSUED FOR THE SOUTHERN WASHINGTON CASCADES TO
ACCOUNT FOR RISING RIVERS AND STREAMS TONIGHT AND TUESDAY. OTHERWISE
SOME LIGHTER RAIN IS EXPECTED THIS EVENING AND OVERNIGHT EAST OF THE
CASCADES AS THE FRONT SLOWLY MOVES SOUTH. WINDS ARE THE OTHER MAJOR
IMPACT FROM THIS WEATHER SYSTEM. STRONG WINDS ALOFT COMBINED WITH
TIGHT SURFACE GRADIENTS ARE PRODUCING STRONG WINDS AT MANY
LOCATIONS. DUE TO COMPLEX TERRAIN THE WINDS ARE VARIABLE FROM ONE
AREA TO ANOTHER HOWEVER IN GENERAL SOUTH WINDS 20-40 MPH WITH GUSTS
45-65 MPH WILL CONTINUE THIS AFTERNOON INTO THE EVENING THEN
DECREASE OVERNIGHT. HIGH WIND WARNINGS AND ADVISORIES WILL REMAIN IN
EFFECT. FOR TUESDAY AND WEDNESDAY THE OFFSHORE UPPER LOW WILL
CONTINUE TO IMPACT THE FORECAST AREA WITH MOSTLY CLOUDY SKIES AND
OCCASIONAL PRECIPITATION. SNOW LEVELS WILL GRADUALLY LOWER THROUGH
THE PERIOD SO EXPECT RAIN WITH MOUNTAIN SNOW...ESPECIALLY BY
WEDNESDAY. TEMPERATURES WILL REMAIN FAIRLY MILD TUESDAY WITH HIGHS
IN THE 50S. WEDNESDAY WILL BE COOLER WITH HIGHS IN THE 40S TO LOWER
50S. WINDS WILL BE LIGHTER TUESDAY THEN INCREASE AGAIN WEDNESDAY AS
THE UPPER LOW MOVES INTO THE REGION. BREEZY TO WINDY CONDITIONS ARE
LIKELY. 94
.LONG TERM...WEDNESDAY NIGHT THROUGH FRIDAY...MODELS ARE IN GOOD
AGREEMENT IN HAVING AN UPPER LEVEL TROUGH CROSS THE AREA WEDNESDAY
EVENING AND MOVE OUT OF THE AREA BY THURSDAY MORNING. HAVE A CHANCE
OF RAIN AND MOUNTAIN SNOW WITH THE LOWER ELEVATIONS MOSTLY DRY
WEDNESDAY NIGHT. SNOW LEVELS WILL BE 2500 FEET LOWERING TO 2000 FEET
OVERNIGHT IN THE WASHINGTON CASCADES WITH 3000 TO 3500 FEET
ELSEWHERE. RIDGING WILL DEVELOP THURSDAY AND REMAIN OVER THE AREA
THURSDAY NIGHT. A COLD FRONT WILL BE OFF THE COAST THURSDAY THEN
MOVE ASHORE THURSDAY NIGHT AND PUSH THE RIDGE OFF TO THE EAST. A FEW
LIGHT SNOW SHOWERS WILL BE POSSIBLE IN THE WASHINGTON CASCADE CREST
THURSDAY NIGHT. FRIDAY THE FRONT WILL MOVE INTO THE AREA THOUGH
MODELS HAVE SOME TIMING DIFFERENCES AND IT IS NOT CLEAR IF IT WILL
COMPLETELY CROSS THE AREA BY FRIDAY AFTERNOON. HAVE PLACED A CHANCE
OF RAIN IN THE WESTERN HALF OF THE AREA AND IN THE NORTHEAST
MOUNTAINS WITH A SLIGHT CHANCE ELSEWHERE. SNOW LEVELS WILL HAVE
RISEN TO 5500 TO 6000 FEET SO SNOW WILL BE CONFINED TO THE HIGHEST
MOUNTAIN PEAKS. WINDS WILL BE BREEZY WEDNESDAY NIGHT BUT WILL
OTHERWISE REMAIN UNDER 15 MPH. TEMPERATURES WILL BE IN THE UPPER 40S
AND LOWER 50S WITH UPPER 30S AND 40S IN THE MOUNTAINS. LOWS WILL BE
IN THE 30S WITH MID 20S TO LOWER 30S IN THE MOUNTAINS. PERRY
.LONG TERM...FRIDAY NIGHT THROUGH MONDAY NIGHT. THE REMAINDER OF THE
HOLIDAY WEEKEND WILL REMAIN WET FOR MOST OF THE AREA...ESPECIALLY
FRIDAY NIGHT AND SATURDAY. THE FORECAST AREA WILL BE INFLUENCED BY
A MOIST W-SW FLOW ALOFT FRIDAY NIGHT AND SATURDAY...THEN AN UPPER
LEVEL TROUGH WILL SHIFT EASTWARD SATURDAY NIGHT AND SUNDAY. SNOW
LEVELS WILL LOWER FROM AROUND 6000-7000 FEET FRIDAY NIGHT AND
SATURDAY TO 3000-4000 FEET LATE SATURDAY NIGHT AND SUNDAY. WINTER
HIGHLIGHTS MAY BE NEEDED LATE IN THE WEEKEND TO ALERT HOLIDAY
TRAVELERS OF SNOW IN THE MOUNTAINS. LONG RANGE MODELS ARE IN
GENERAL AGREEMENT ADVERTISING A COLDER NORTHERLY FLOW ALOFT SUNDAY
NIGHT THROUGH MONDAY NIGHT. IF THIS VERIFIES...SNOW LEVELS MAY
LOWER AS LOW AS THE COLUMBIA BASIN FLOOR. HOWEVER...DRIER AIR WILL
ACCOMPANY THE NORTHERLY FLOW SO THE POSSIBILITY OF SIGNIFICANT SNOW
LATE IN THE PERIOD IS MINIMAL. WISTER
&&
.AVIATION...00Z TAFS...A SLOW MOVING WEATHER SYSTEM WILL WORK IT'S
WAY ACROSS THE AREA TONIGHT. STRONG WINDS WILL CONTINUE AT 15 TO 25
KTS WITH GUSTS TO 35 KTS THROUGH 04Z, THOUGH KDLS WILL BE 10 TO 20
KTS. WINDS WILL DIMINISH OVERNIGHT AND AS THAT HAPPENS, SHOWER
ACTIVITY WILL PICK UP THROUGH TOMORROW MORNING. MVFR CEILINGS AND
VISIBILITIES WILL BE POSSIBLE AT KRDM, KBDN AND KDLS WITH THE
HEAVIER RAIN. WINDS WILL DROP BELOW 15 KTS LATE TONIGHT EXCEPT AT
KALW WHICH WILL CONTINUE TO HAVE GUSTS TO 25 KTS. SHOWERS WILL END
BY 18Z AND WINDS WILL INCREASE TO 10 TO 20 KTS WITH GUSTS TO 30 KTS
IN THE AFTERNOON. KDLS, KYKM AND KPSC WILL REMAIN BELOW 15 KTS WITH
A FEW HIGHER GUSTS. PERRY
&&
.PRELIMINARY POINT TEMPS/POPS...
PDT 49 58 41 50 / 40 50 40 50
ALW 50 58 42 51 / 50 50 50 50
PSC 47 55 42 53 / 40 40 40 40
YKM 39 51 35 45 / 70 40 40 40
HRI 46 57 40 52 / 40 40 40 40
ELN 37 50 34 45 / 70 50 60 50
RDM 44 55 35 45 / 70 70 40 50
LGD 45 53 39 49 / 60 70 60 60
GCD 42 53 37 44 / 50 60 50 50
DLS 45 55 39 47 / 90 70 60 60
&&
.PDT WATCHES/WARNINGS/ADVISORIES...
OR...HIGH WIND WARNING UNTIL 11 PM PST THIS EVENING
ORZ042-049-050-502-503-505>509.
WIND ADVISORY UNTIL 11 PM PST THIS EVENING ORZ044.
WA...HIGH WIND WARNING UNTIL 11 PM PST THIS EVENING WAZ029-030-521.
WIND ADVISORY UNTIL 11 PM PST THIS EVENING WAZ027-028.
&&
THREAT INDEX
TUESDAY : GREEN
WEDNESDAY : GREEN
THURSDAY : GREEN
GREEN: NONE OR LIMITED NEED FOR WATCHES, WARNINGS, OR ADVISORIES.
YELLOW: A FEW WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.
RED: NUMEROUS WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.
FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT...
WWW.WEATHER.GOV/PENDLETON
94/83/83/85HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 515 AM PST MON NOV 19 2012 ORZ041-042-044-049-050-502-503-505>509-WAZ026>030-520-521-201315- EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON- LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY- NORTHERN BLUE MOUNTAINS OF OREGON- SOUTHERN BLUE MOUNTAINS OF OREGON-JOHN DAY BASIN-OCHOCO- JOHN DAY HIGHLANDS- FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON- FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON- EAST SLOPES OF THE OREGON CASCADES-KITTITAS VALLEY-YAKIMA VALLEY- LOWER COLUMBIA BASIN OF WASHINGTON- FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON- NORTHWEST BLUE MOUNTAINS OF WASHINGTON- EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS- 515 AM PST MON NOV 19 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON. .DAY ONE...TODAY AND TONIGHT HEAVY RAIN EAST SLOPES OF THE OREGON AND WASHINGTON CASCADES STRONG WINDS AREAWIDE A STRONG LOW PRESSURE SYSTEM WITH ABUNDANT MOISTURE WILL MOVE ACROSS WESTERN OREGON AND WESTERN WASHINGTON TODAY AND TONIGHT. THIS WILL BRING HEAVY RAIN TO THE EAST SLOPES OF THE OREGON AND WASHINGTON CASCADES WITH RAINFALL AMOUNTS OF UP TO 2 INCHES POSSIBLE BY TUESDAY MORNING. A VERY TIGHT SURFACE PRESSURE GRADIENT ASSOCIATED WITH THE LOW AND A STRONG JET STREAM WILL CONTRIBUTE TO STRONG AND GUSTY SURFACE WINDS OVER MUCH OF THE AREA TODAY INTO THIS EVENING. DAMAGING WINDS ARE POSSIBLE AND NUMEROUS HIGH WIND WARNINGS AND ADVISORIES ARE IN EFFECT. PLEASE REFER TO THE THE LATEST PDXNPWPDT FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY MORE RAIN AND BREEZY CONDITIONS ARE EXPECTED ON TUESDAY AND WEDNESDAY. AFTER A MOSTLY DRY THANKSGIVING DAY ANOTHER STORM SYSTEM WILL IMPACT THE REGION WITH VALLEY RAIN AND MOUNTAIN 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/PDT/CURRENTHAZARDS/HWO.HTML ALL LETTERS IN THE ABOVE URL ARE LOWER CASE.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OR
220 PM PST MON NOV 19 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1130 AM NON-TSTM WND GST 5 ESE DIXIE 46.11N 118.07W
11/19/2012 M65.00 MPH WALLA WALLA WA TRAINED SPOTTER
2 MINUTE WIND WAS 45 MPH AND 10 MINUTE WIND AVERAGE WAS
35 MPH
1130 AM NON-TSTM WND DMG 5 WNW TERREBONNE 44.38N 121.27W
11/19/2012 DESCHUTES OR TRAINED SPOTTER
HIGH WIND GUSTS. REPORTS OF TREES DOWN CAUSING
TRANSFORMERS TO BLOW.
1146 AM NON-TSTM WND GST 2 W BENTON CITY 46.27N 119.52W
11/19/2012 M68.00 MPH BENTON WA MESONET
FROM SSW
1152 AM NON-TSTM WND GST 5 NNE FOX 44.71N 119.10W
11/19/2012 M70.00 MPH GRANT OR MESONET
FROM SOUTH
&&
JJSMITHPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OR
252 PM PST MON NOV 19 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1116 AM NON-TSTM WND GST 4 SSW HEPPNER 45.31N 119.59W
11/19/2012 M67.00 MPH MORROW OR MESONET
FROM SOUTHEAST
1148 AM NON-TSTM WND GST 7 ESE MAUPIN 45.14N 120.95W
11/19/2012 M64.00 MPH WASCO OR MESONET
PATJENS RAWS REPORTED GUST OF 64 MPH FROM SOUTH.
1245 PM NON-TSTM WND GST 2 SSW GRASS VALLEY 45.34N 120.79W
11/19/2012 M58.00 MPH SHERMAN OR MESONET
MULTIPLE GUSTS TO 58 MPH AT 1240 1245 AND 1250 PST.
1248 PM NON-TSTM WND GST 5 WSW SHANIKO 44.99N 120.85W
11/19/2012 M61.00 MPH WASCO OR MESONET
AT US 97 MILEPOST 61.6
1250 PM NON-TSTM WND GST 1 S PILOT ROCK 45.47N 118.83W
11/19/2012 M54.00 MPH UMATILLA OR MESONET
0124 PM NON-TSTM WND GST 5 S DESCHUTES RIVER WOO 43.93N 121.34W
11/19/2012 M60.00 MPH DESCHUTES OR MESONET
&&
JJSMITHThe national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2012Every state in 2012This day in weather historyWarnings in Washington, November 2012
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: 415848.