Alert archive / Oregon / Special Weather Statements in 2011

Special Weather Statement, NWS Pendleton, OR

August 28, 2011Grant County, Morrow County, Oregon

NWS Pendleton, OR issued this special weather statement at Aug 28, 2011, 9:21 PM PDT for Grant County, Morrow County, Oregon. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 28, 2011, 9:21 PM PDT (04:21 UTC)
Expired
Aug 28, 2011, 10:15 PM PDT
In force
54 min
Issued by
NWS Pendleton, OR

Counties Grant County, OR, Morrow County, OR

The radar

The Pendleton radar (KPDT), 94 km from the middle of the area, began a volume at 04:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, 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 this special weather statement went out at Aug 28, 2:34 PM PDT, 6 hours 47 minutes earlier.

Area forecast discussion, Aug 28, 2:34 PM PDT, 6 hours 47 minutes before
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Hazardous weather outlook, Aug 28, 10:57 AM PDT, 10 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
1057 AM PDT SUN AUG 28 2011

UPDATED DAY ONE FOR THUNDERSTORM COVERAGE

ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
291415-
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-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-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-
1057 AM PDT SUN AUG 28 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS
     EAST SLOPES OF THE WASHINGTON CASCADES, SIMCOE HIGHLANDS,
     EASTERN COLUMBIA RIVER GORGE OF WASHINGTON, YAKIMA VALLEY,
     LOWER COLUMBIA BASIN OF WASHINGTON, EASTERN COLUMBIA RIVER
     GORGE OF OREGON, NORTH CENTRAL OREGON, EAST SLOPES OF THE
     OREGON CASCADES

RED FLAG WARNING
     SIMCOE HIGHLANDS, EASTERN COLUMBIA RIVER GORGE OF WASHINGTON,
     YAKIMA VALLEY, LOWER COLUMBIA BASIN OF WASHINGTON, FOOTHILLS
     OF THE BLUE MOUNTAINS OF WASHINGTON, NORTHWEST BLUE MOUNTAINS
     OF WASHINGTON, EASTERN COLUMBIA RIVER GORGE OF OREGON, NORTH
     CENTRAL OREGON, EAST SLOPES OF THE OREGON CASCADES, LOWER
     COLUMBIA BASIN OF OREGON, GRANDE RONDE VALLEY, WALLOWA COUNTY,
     FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, NORTHERN
     BLUE MOUNTAINS OF OREGON, SOUTHERN BLUE MOUNTAINS OF OREGON,
     FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, JOHN DAY
     BASIN, OCHOCO-JOHN DAY HIGHLANDS

     CONTACT YOUR LOCAL FOREST OR LAND MANAGEMENT AGENCY FOR
     CURRENT FIRE DANGER CONDITIONS IN YOUR AREA.

AN UPPER LOW OVER SOUTHWEST OREGON WILL DRIFT SLOWLY EAST-NORTHEAST
TO NEAR WALLOWA COUNTY DURING THIS PERIOD. THIS SYSTEM WILL CAUSE
ISOLATED TO SCATTERED THUNDERSTORMS TO DEVELOP OVER MOST OF THE AREA
THIS AFTERNOON. THESE THUNDERSTORMS WILL PERSIST INTO TONIGHT,
THOUGH THE STORMS WILL END DURING THE EVENING ACROSS SOUTH-CENTRAL
WASHINGTON AND NORTH-CENTRAL AND CENTRAL OREGON. SHEAR LOOKS TO BE
STRONGEST ACROSS CROOK, WHEELER AND GRANT COUNTIES WHERE WIND GUSTS
OF 40 TO 45 MPH AND SMALL HAIL WILL BE POSSIBLE. THE STORM
PREDICTION CENTER ALSO INDICATES THAT CONDITIONS IN THIS AREA COULD
RESULT IN A STORM OR TWO PRODUCING DAMAGING WIND GUSTS. ELSEWHERE
WIND GUSTS OF 30 TO 35 MPH WITH SMALL HAIL MAY OCCUR.

THESE STORMS WILL ALSO HAVE THE POTENTIAL TO PRODUCE SIGNIFICANT
AMOUNTS OF LIGHTNING. THE FUELS ACROSS THE AREA ARE DRY, THUS RED
FLAG WARNINGS REMAIN IN EFFECT. FOR FURTHER DETAILS PLEASE REFER TO
NWS PRODUCT PDXRFWPDT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

A FEW THUNDERSTORMS MAY LINGER OVER WALLOWA COUNTY MONDAY MORNING,
OTHERWISE AN INCREASING WEST FLOW WILL BRING AN END TO THE THREAT OF
THUNDERSTORMS. WINDS WILL BECOME BREEZY ACROSS THE COLUMBIA BASIN
MONDAY AFTERNOON. GENERALLY FAIR AND DRY CONDITIONS ARE EXPECTED
TUESDAY THROUGH SATURDAY. TEMPERATURES WILL COOL OFF TO BELOW
SEASONAL VALUES BY MID WEEK.

.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.

In the hours before

Special weather statement, Aug 28, 4:12 PM PDT, 5 hours 9 minutes before
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Special weather statement, Aug 28, 4:53 PM PDT, 4 hours 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 6:05 PM PDTSpecial Weather StatementPDTGilliam, Morrow55 min
Aug 28, 7:33 PM PDTSpecial Weather StatementPDTUmatilla42 min
Aug 28, 7:39 PM PDTSpecial Weather StatementPDTWallowa66 min

Nearby

Special Weather Statements in Oregon, 2011Every special weather statement in 2011

Sources

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