Alert archive / Washington / Red Flag Warnings in 2008
Red Flag Warning 7, NWS Pendleton, OR
NWS Pendleton, OR issued this red flag warning at Aug 15, 2008, 3:01 PM PDT for Clark County, Cowlitz County, Skamania County, Washington. It took effect at Aug 16, 2008, 12:00 AM PDT. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 15, 2008, 3:01 PM PDT (22:01 UTC)
- In effect from
- Aug 16, 2008, 12:00 AM PDT
- Expired
- Aug 19, 2008, 9:00 AM PDT
- In force
- 3 days
- Issued by
- NWS Pendleton, OR
Counties Clark County, WA, Cowlitz County, WA, Skamania County, WA
The radar
The Portland,OR radar (KRTX), 56 km from the middle of the area, began a volume at 21:51 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 nearest sounding before it
Salem/Mcnary, OR (KSLE), launched 12:00Z, 10.0 hours before the alert went out and 130 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2159 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning 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 red flag warning went out at Aug 15, 2:42 PM PDT, 19 minutes earlier.
Area forecast discussion, Aug 15, 2:42 PM PDT, 19 minutes before
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</html>Hazardous weather outlook, Aug 15, 5:42 AM PDT, 9 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
542 AM PDT FRI AUG 15 2008
ORZ041>044-049-050-501>506-WAZ024-026>030-501-502-161230-
EASTERN COLUMBIA RIVER GORGE OF OREGON-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-
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-
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON-
EAST SLOPES OF THE SOUTHERN CASCADES OF WASHINGTON-
542 AM PDT FRI AUG 15 2008
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
EXCESSIVE HEAT
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON, KITTITAS VALLEY,
YAKIMA VALLEY, LOWER COLUMBIA BASIN OF WASHINGTON, FOOTHILLS
OF THE BLUE MOUNTAINS OF WASHINGTON, EASTERN COLUMBIA RIVER
GORGE OF OREGON, NORTH CENTRAL OREGON, CENTRAL OREGON, LOWER
COLUMBIA BASIN OF OREGON, FOOTHILLS OF THE BLUE MOUNTAINS OF
OREGON
STRONG HIGH PRESSURE ALOFT WILL BRING VERY WARM TEMPERATURES AND
MOSTLY CLEAR SKIES TO THE REGION. TEMPERATURES WILL EXCEED 100
DEGREES THIS AFTERNOON OVER A WIDE PORTION OF THE COLUMBIA BASIN AND
INTO CENTRAL OREGON...SO A HEAT ADVISORY CONTINUES IN EFFECT. SEE
PRODUCT PDXNPWPDT FOR MORE DETAILS.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
FIRE WEATHER WATCH SATURDAY
NORTH CENTRAL OREGON, CENTRAL OREGON, OCHOCO-JOHN DAY
HIGHLANDS
CONTACT YOUR LOCAL FOREST OR LAND MANAGEMENT AGENCY FOR
CURRENT FIRE DANGER CONDITIONS IN YOUR AREA.
THUNDERSTORMS SATURDAY
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
OF THE SOUTHERN CASCADES OF WASHINGTON, EASTERN COLUMBIA RIVER
GORGE OF WASHINGTON, EASTERN COLUMBIA RIVER GORGE OF OREGON
EXCESSIVE HEAT SATURDAY
KITTITAS VALLEY, YAKIMA VALLEY, LOWER COLUMBIA BASIN OF
WASHINGTON, FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON,
LOWER COLUMBIA BASIN OF OREGON, FOOTHILLS OF THE BLUE
MOUNTAINS OF OREGON
FIRE WEATHER WATCH SUNDAY
CENTRAL OREGON, OCHOCO-JOHN DAY HIGHLANDS
THUNDERSTORMS SUNDAY
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
OF THE SOUTHERN CASCADES OF WASHINGTON, EASTERN COLUMBIA RIVER
GORGE OF WASHINGTON, EASTERN COLUMBIA RIVER GORGE OF OREGON,
NORTH CENTRAL OREGON, WALLOWA COUNTY, NORTHERN BLUE MOUNTAINS
OF OREGON, SOUTHERN BLUE MOUNTAINS OF OREGON, NORTHERN WHEELER
AND SOUTHERN GILLIAM COUNTIES, JOHN DAY BASIN
EXCESSIVE HEAT SUNDAY
KITTITAS VALLEY, YAKIMA VALLEY, LOWER COLUMBIA BASIN OF
WASHINGTON, FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON,
LOWER COLUMBIA BASIN OF OREGON, FOOTHILLS OF THE BLUE
MOUNTAINS OF OREGON
THUNDERSTORMS MONDAY
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
OF THE SOUTHERN CASCADES OF WASHINGTON, 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, EASTERN COLUMBIA
RIVER GORGE OF OREGON, 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
THE HIGH PRESSURE ALOFT WILL REMAIN OVER THE PACIFIC NORTHWEST
SUNDAY FOR CONTINUED HOT TEMPERATURES AND LOW RELATIVE HUMIDITIES.
HEAT ADVISORIES WILL CONTINUE FOR AREAS WHERE AFTERNOON TEMPERATURES
WILL CLIMB TO 100 DEGREES OR MORE. FOR DETAILS...PLEASE REFER TO THE
NWS PRODUCT PDXNPWPDT. A LOW PRESSURE SYSTEM MOVING TOWARDS THE
COAST WILL CAUSE ISOLATED THUNDERSTORMS NEAR THE CASCADES SATURDAY
AND SATURDAY NIGHT. ISOLATED THUNDERSTORMS WILL DEVELOP ACROSS THE
FORECAST AREA SUNDAY AND MONDAY. THE COMBINATION OF HOT...DRY...AND
UNSTABLE CONDITIONS WILL ENHANCE THE THREAT OF EXTREME FIRE BEHAVIOR
SATURDAY AND SUNDAY. A FIRE WEATHER WATCH HAS BEEN ISSUED FOR
CENTRAL OREGON AND THE EAST SLOPES OF THE OREGON CASCADES. MORE
INFORMATION CAN BE FOUND IN THE NWS PRODUCT PDXRFWPDT.
.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...EXCEPT THE H IN
CURRENTHAZARDS.The office that day
Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 3:01 PM PDT | Fire Weather Watch | PDT | 19 hr |
Nearby
Red Flag Warnings in Washington, 2008Red Flag Warnings in Oregon, 2008Every red flag warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.