Alert archive / Washington / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Pendleton, OR

August 20, 2012Clark County, Cowlitz County, Skamania County, Washington

NWS Pendleton, OR issued this red flag warning at Aug 20, 2012, 8:56 AM PDT for Clark County, Cowlitz County, Skamania County, Washington. It took effect at Aug 20, 2012, 10:00 PM PDT. It was in force for 21 hr. 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 20, 2012, 8:56 AM PDT (15:56 UTC)
In effect from
Aug 20, 2012, 10:00 PM PDT
Expired
Aug 21, 2012, 7:00 PM PDT
In force
21 hr
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 15:56 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, 3.9 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.

Skew-T log-pSkew-T log-p diagram, Salem/Mcnary, OR at 12:00Z on 2012-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salem/Mcnary, OR at 12:00Z on 2012-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

122 
WWUS86 KPDT 201556
RFWPDT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
856 AM PDT MON AUG 20 2012

...THUNDERSTORMS WITH ABUNDANT LIGHTNING EXPECTED TONIGHT AND
TUESDAY OVER SOUTHEAST WASHINGTON AND NORTHEAST OREGON...

.A LOW PRESSURE SYSTEM OFF THE COAST WILL MOVE INLAND TONIGHT AND
THEN WILL TRACK ACROSS WASHINGTON AND OREGON ON TUESDAY. MOISTURE
AND INSTABILITY AHEAD OF THE SYSTEM WILL RESULT IN THUNDERSTORMS
OVER THE COLUMBIA BASIN...THE BLUE MOUNTAINS...AND ACROSS UNION
AND WALLOWA COUNTIES. WINDS WILL INCREASE TUESDAY AFTERNOON AND
EVENING IN THE COLUMBIA BASIN.

ORZ631-WAZ631-675-210000-
/O.UPG.KPDT.FW.A.0005.120821T0500Z-120822T0200Z/
/O.NEW.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-
856 AM PDT MON AUG 20 2012

...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PDT
TUESDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS
FIRE WEATHER ZONES OR631...WA631 AND WA675...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A RED FLAG
WARNING FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING...WHICH IS
IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PDT TUESDAY. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 631 COLUMBIA 
  BASIN OF OREGON. IN WASHINGTON...FIRE WEATHER ZONE 631 LOWER 
  COLUMBIA BASIN OF WASHINGTON AND FIRE WEATHER ZONE 675 EASTERN 
  WASHINGTON SOUTHERN COLUMBIA BASIN.

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP LATE THIS EVENING
  AND THEN INCREASE IN COVERAGE EARLY TUESDAY MORNING. 

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH BY TUESDAY
  AFTERNOON AND EVENING.

* PRECIPITATION...MOST THUNDERSTORMS WILL MAINLY BE DRY WITH
  RAINFALL AMOUNTS LESS THAN A TENTH OF AN INCH EXPECTED.

* LIGHTNING ACTIVITY LEVEL...3...DECREASING TO A 2 TUESDAY
  AFTERNOON AND EVENING.

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ORZ633>635-WAZ633-210000-
/O.UPG.KPDT.FW.A.0005.120821T0500Z-120822T0200Z/
/O.NEW.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
NORTHERN BLUE MOUNTAINS OF OREGON-EAGLE CAP DISTRICT-
WALLOWA DISTRICT-BLUE MOUNTAINS OF WASHINGTON-
856 AM PDT MON AUG 20 2012

...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PDT
TUESDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS
FIRE WEATHER ZONES OR633...OR634...OR635 AND WA633...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A RED FLAG
WARNING FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING...WHICH IS
IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PDT TUESDAY. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 633 NORTHERN 
  BLUE MOUNTAINS OF OREGON...FIRE WEATHER ZONE 634 EAGLE CAP 
  DISTRICT AND FIRE WEATHER ZONE 635 WALLOWA DISTRICT. IN 
  WASHINGTON...FIRE WEATHER ZONE 633 BLUE MOUNTAINS OF 
  WASHINGTON.

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP BY MIDNIGHT TONIGHT
  AND THEN INCREASE IN COVERAGE DURING THE DAY ON TUESDAY.

* PRECIPITATION...THUNDERSTORMS WILL INITIALLY BE DRY...BUT MAY
  PRODUCE WETTING RAIN LATER IN THE DAY ON TUESDAY.

* LIGHTNING ACTIVITY LEVEL...3.

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/PENDLETON (ALL LOWER CASE)
6 follow-up statements
737 
WWUS86 KPDT 202114
RFWPDT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
214 PM PDT MON AUG 20 2012

...THUNDERSTORMS WITH ABUNDANT LIGHTNING EXPECTED TONIGHT AND
TOMORROW OVER SOUTHEAST WASHINGTON AND NORTHEAST OREGON...

.A LOW PRESSURE SYSTEM OFF THE COAST WILL MOVE INLAND TONIGHT AND
THEN WILL TRACK ACROSS WASHINGTON AND OREGON ON TUESDAY. MOISTURE
AND INSTABILITY AHEAD OF THE SYSTEM WILL RESULT IN THUNDERSTORMS
OVER THE COLUMBIA BASIN...THE BLUE MOUNTAINS...AND ACROSS UNION
AND WALLOWA COUNTIES. WINDS WILL INCREASE TUESDAY AFTERNOON AND
EVENING IN THE COLUMBIA BASIN.

ORZ632-210515-
/O.EXA.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-
214 PM PDT MON AUG 20 2012

...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PDT
TUESDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS
FIRE WEATHER ZONE OR632...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A RED FLAG
WARNING FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING...WHICH IS
IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PDT TUESDAY. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 632 SOUTHERN 
  BLUE AND STRAWBERRY MOUNTAINS.

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP THIS EVENING AND
  THEN INCREASE IN COVERAGE IN THE NORTHERN HALF OF THE ZONE DURING
  THE DAY ON TUESDAY.

* PRECIPITATION...THUNDERSTORMS WILL INITIALLY BE DRY
  TONIGHT...AND THEN PRODUCE PRECIPITATION AROUND A TENTH OF AN
  INCH OR MORE TUESDAY AFTERNOON UNDER THE THUNDERSTORM CORE.

* LIGHTNING ACTIVITY LEVEL...IN THE NORTHERN PART OF THE
  ZONE...LAL OF 6 WILL OCCUR TONIGHT AND THEN BECOME A 3 BY
  TUESDAY MORNING. THE SOUTHERN PART OF THE ZONE WILL BE A 2.

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ORZ631-WAZ631-675-210515-
/O.CON.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-
214 PM PDT MON AUG 20 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
7 PM PDT TUESDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING
ACROSS FIRE WEATHER ZONES OR631...WA631 AND WA675...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
7 PM PDT TUESDAY. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 631 COLUMBIA 
  BASIN OF OREGON. IN WASHINGTON...FIRE WEATHER ZONE 631 LOWER 
  COLUMBIA BASIN OF WASHINGTON AND FIRE WEATHER ZONE 675 EASTERN 
  WASHINGTON SOUTHERN COLUMBIA BASIN. 

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP THIS EVENING AND
  THEN INCREASE IN COVERAGE EARLY TUESDAY MORNING.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH WILL OCCUR
  TUESDAY AFTERNOON.

* PRECIPITATION...MOST THUNDERSTORMS WILL MAINLY BE DRY WITH 
  RAINFALL AMOUNTS LESS THAN A TENTH OF AN INCH EXPECTED. 

* LIGHTNING ACTIVITY LEVEL...6...DECREASING TO A 2 TUESDAY 
  AFTERNOON AND EVENING. 

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ORZ633>635-WAZ633-210515-
/O.CON.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
NORTHERN BLUE MOUNTAINS OF OREGON-EAGLE CAP DISTRICT-
WALLOWA DISTRICT-BLUE MOUNTAINS OF WASHINGTON-
214 PM PDT MON AUG 20 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
7 PM PDT TUESDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING
ACROSS FIRE WEATHER ZONES OR633...OR634...OR635 AND WA633...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
7 PM PDT TUESDAY. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 633 NORTHERN 
  BLUE MOUNTAINS OF OREGON...FIRE WEATHER ZONE 634 EAGLE CAP 
  DISTRICT AND FIRE WEATHER ZONE 635 WALLOWA DISTRICT. IN 
  WASHINGTON...FIRE WEATHER ZONE 633 BLUE MOUNTAINS OF 
  WASHINGTON. 

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP THIS EVENING AND THEN
  INCREASE IN COVERAGE DURING THE DAY ON TUESDAY.

* PRECIPITATION...THUNDERSTORMS WILL INITIALLY BE DRY TONIGHT ...THEN
  PRODUCE PRECIPITATION AROUND A TENTH OF AN INCH OR MORE TUESDAY
  AFTERNOON UNDER THE THUNDERSTORM CORE

* LIGHTNING ACTIVITY LEVEL...3. LAL OF 6 WILL BE POSSIBLE OVER
  OREGON AND WASHINGTON ZONE 633 THIS EVENING AND THEN BECOME A 3
  TUESDAY MORNING.

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/PENDLETON (ALL LOWER CASE)
069 
WWUS86 KPDT 210415
RFWPDT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
915 PM PDT MON AUG 20 2012

...THUNDERSTORMS WITH ABUNDANT LIGHTNING EXPECTED TONIGHT AND
TOMORROW OVER SOUTHEAST WASHINGTON AND NORTHEAST OREGON...

.A LOW PRESSURE SYSTEM OFF THE COAST WILL MOVE INLAND TONIGHT AND
THEN WILL TRACK ACROSS WASHINGTON AND OREGON ON TUESDAY. MOISTURE
AND INSTABILITY AHEAD OF THE SYSTEM WILL RESULT IN THUNDERSTORMS
OVER THE COLUMBIA BASIN...THE BLUE MOUNTAINS...AND ACROSS UNION
AND WALLOWA COUNTIES. WINDS WILL INCREASE TUESDAY AFTERNOON AND
EVENING IN THE COLUMBIA BASIN.

ORZ631-WAZ631-675-211300-
/O.CON.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-
915 PM PDT MON AUG 20 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT TUESDAY FOR
THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE WEATHER
ZONES OR631...WA631 AND WA675...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT TUESDAY. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 631 COLUMBIA 
  BASIN OF OREGON. IN WASHINGTON...FIRE WEATHER ZONE 631 LOWER 
  COLUMBIA BASIN OF WASHINGTON AND FIRE WEATHER ZONE 675 EASTERN 
  WASHINGTON SOUTHERN COLUMBIA BASIN. 

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP LATE THIS EVENING
  AND THEN INCREASE IN COVERAGE EARLY TUESDAY MORNING.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* PRECIPITATION...MOST THUNDERSTORMS WILL MAINLY BE DRY WITH 
  RAINFALL AMOUNTS LESS THAN A TENTH OF AN INCH EXPECTED. 

* LIGHTNING ACTIVITY LEVEL...6...DECREASING TO A 2 TUESDAY 
  AFTERNOON AND EVENING. 

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ORZ633>635-WAZ633-211300-
/O.CON.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
NORTHERN BLUE MOUNTAINS OF OREGON-EAGLE CAP DISTRICT-
WALLOWA DISTRICT-BLUE MOUNTAINS OF WASHINGTON-
915 PM PDT MON AUG 20 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT TUESDAY FOR
THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE WEATHER
ZONES OR633...OR634...OR635 AND WA633...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT TUESDAY. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 633 NORTHERN 
  BLUE MOUNTAINS OF OREGON...FIRE WEATHER ZONE 634 EAGLE CAP 
  DISTRICT AND FIRE WEATHER ZONE 635 WALLOWA DISTRICT. IN 
  WASHINGTON...FIRE WEATHER ZONE 633 BLUE MOUNTAINS OF 
  WASHINGTON. 

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP OVERNIGHT AND THEN
  INCREASE IN COVERAGE DURING THE DAY ON TUESDAY.

* PRECIPITATION...THUNDERSTORMS WILL INITIALLY BE DRY TONIGHT 
   ...THEN PRODUCE PRECIPITATION AROUND A TENTH OF AN INCH OR 
  MORE TUESDAY AFTERNOON UNDER THE THUNDERSTORM CORE 

* LIGHTNING ACTIVITY LEVEL...3. LAL OF 6 WILL BE POSSIBLE OVER 
  OREGON AND WASHINGTON ZONE 633 THIS EVENING AND THEN BECOME A 
  3 TUESDAY MORNING. 

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ORZ632-211300-
/O.CON.KPDT.FW.W.0007.120821T0500Z-120822T0200Z/
SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-
915 PM PDT MON AUG 20 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT TUESDAY FOR
THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE WEATHER
ZONE OR632...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT TUESDAY. 

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 632 SOUTHERN 
  BLUE AND STRAWBERRY MOUNTAINS. 

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP OVERNIGHT AND THEN
  INCREASE IN COVERAGE IN THE NORTHERN HALF OF THE ZONE DURING THE
  DAY ON TUESDAY.

* PRECIPITATION...THUNDERSTORMS WILL INITIALLY BE DRY TONIGHT... 
  AND THEN PRODUCE PRECIPITATION AROUND A TENTH OF AN INCH OR 
  MORE TUESDAY AFTERNOON UNDER THE THUNDERSTORM CORE. 

* LIGHTNING ACTIVITY LEVEL...IN THE NORTHERN PART OF THE ZONE... 
  LAL OF 6 WILL OCCUR TONIGHT AND THEN BECOME A 3 BY TUESDAY 
  MORNING. THE SOUTHERN PART OF THE ZONE WILL BE A 2. 

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/PENDLETON (ALL LOWER CASE)
401 
WWUS86 KPDT 211202
RFWPDT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
502 AM PDT TUE AUG 21 2012

...THUNDERSTORMS WITH ABUNDANT LIGHTNING EXPECTED TODAY OVER SOUTHEAST
WASHINGTON AND NORTHEAST OREGON...

.A LOW PRESSURE SYSTEM OFF THE COAST WILL MOVE INLAND TODAY AND
TRACK ACROSS WASHINGTON AND OREGON. MOISTURE AND INSTABILITY
AHEAD OF THE SYSTEM WILL RESULT IN THUNDERSTORMS OVER THE COLUMBIA
BASIN...THE BLUE MOUNTAINS...AND ACROSS UNION AND WALLOWA
COUNTIES. WINDS COULD INCREASE THIS AFTERNOON AND EVENING IN THE
COLUMBIA BASIN.

ORZ631-WAZ631-675-220000-
/O.CON.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-
502 AM PDT TUE AUG 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING
FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE
WEATHER ZONES OR631...WA631 AND WA675...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING.

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 631 COLUMBIA 
  BASIN OF OREGON. IN WASHINGTON...FIRE WEATHER ZONE 631 LOWER 
  COLUMBIA BASIN OF WASHINGTON AND FIRE WEATHER ZONE 675 EASTERN 
  WASHINGTON SOUTHERN COLUMBIA BASIN. 

* TIMING...ISOLATED THUNDERSTORMS WILL CONTINUE TODAY.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* PRECIPITATION...MOST THUNDERSTORMS WILL MAINLY BE DRY WITH 
  RAINFALL AMOUNTS LESS THAN A TENTH OF AN INCH EXPECTED. 

* LIGHTNING ACTIVITY LEVEL...6...DECREASING TO A 2 THIS AFTERNOON
  AND EVENING.

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ORZ633>635-WAZ633-220000-
/O.CON.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
NORTHERN BLUE MOUNTAINS OF OREGON-EAGLE CAP DISTRICT-
WALLOWA DISTRICT-BLUE MOUNTAINS OF WASHINGTON-
502 AM PDT TUE AUG 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING
FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE
WEATHER ZONES OR633...OR634...OR635 AND WA633...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING.

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 633 NORTHERN 
  BLUE MOUNTAINS OF OREGON...FIRE WEATHER ZONE 634 EAGLE CAP 
  DISTRICT AND FIRE WEATHER ZONE 635 WALLOWA DISTRICT. IN 
  WASHINGTON...FIRE WEATHER ZONE 633 BLUE MOUNTAINS OF 
  WASHINGTON. 

* TIMING...SCATTERED THUNDERSTORMS WILL CONTINUE TODAY.

* PRECIPITATION...THUNDERSTORMS WILL INITIALLY BE DRY THIS
  MORNING. PRECIPITATION AROUND A TENTH OF AN INCH OR MORE THIS
  AFTERNOON UNDER THE THUNDERSTORM CORE.

* LIGHTNING ACTIVITY LEVEL...3.

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ORZ632-220000-
/O.CON.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-
502 AM PDT TUE AUG 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING
FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE
WEATHER ZONE OR632...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING.

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 632 SOUTHERN 
  BLUE AND STRAWBERRY MOUNTAINS. 

* TIMING...ISOLATED THUNDERSTORMS WILL CONTINUE TODAY.

* PRECIPITATION...THUNDERSTORMS WILL INITIALLY BE DRY...AND THEN
  PRODUCE PRECIPITATION AROUND A TENTH OF AN INCH OR MORE THIS
  AFTERNOON UNDER THE THUNDERSTORM CORE.

* LIGHTNING ACTIVITY LEVEL...IN THE NORTHERN PART OF THE ZONE...
  LAL OF 3. THE SOUTHERN PART OF THE ZONE WILL BE A 2.

* IMPACTS...FREQUENT LIGHTNING AND CRITICALLY DRY FUELS MAY 
  RESULT IN NUMEROUS FIRE STARTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/PENDLETON (ALL LOWER CASE)
072 
WWUS86 KPDT 212052
RFWPDT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
152 PM PDT TUE AUG 21 2012

...THUNDERSTORMS LATE THIS AFTERNOON IN WALLOWA COUNTY AND THE
EAGLE CAP DISTRICT...

.A LOW PRESSURE SYSTEM THAT BROUGHT THUNDERSTORMS THIS MORNING TO
AREAS WEST OF THE BLUE MOUNTAINS IS TRACKING EASTWARD. THE
ATMOSPHERE REMAINS FAIRLY MOIST AND UNSTABLE IN THE NORTHEAST
CORNER OF OREGON...THUS THUNDERSTORMS WITH OCCASIONAL LIGHTNING
ARE POSSIBLE IN WALLOWA COUNTY AND THE EAGLE CAP DISTRICT LATE
THIS AFTERNOON AND EVENING.

ORZ631>633-WAZ631-633-675-212200-
/O.CAN.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
COLUMBIA BASIN OF OREGON-SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-
NORTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-BLUE MOUNTAINS OF WASHINGTON-
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-
152 PM PDT TUE AUG 21 2012

...RED FLAG WARNING IS CANCELLED FOR THUNDERSTORMS PRODUCING
ABUNDANT LIGHTNING ACROSS FIRE WEATHER ZONES OR631...WA631 AND
WA675...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE RED
FLAG WARNING. 

THUNDERSTORMS HAVE ENDED AND WILL NO LONGER BE A THREAT TODAY.
HOWEVER...WINDS ARE BREEZY OVER PORTIONS OF THE LOWER COLUMBIA
BASIN. ANY NEW FIRE STARTS FROM THUNDERSTORMS THIS MORNING MAY
SPREAD RAPIDLY IF ENCOUNTERED BY GUSTY WINDS.

$$

ORZ634-635-220200-
/O.CON.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
EAGLE CAP DISTRICT-WALLOWA DISTRICT-
152 PM PDT TUE AUG 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING
FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE
WEATHER ZONES OR634 AND OR635...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING.

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 634 EAGLE CAP
  DISTRICT AND FIRE WEATHER ZONE 635 WALLOWA DISTRICT. 

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON
  AND EVENING.

* PRECIPITATION...WETTING RAIN CAN BE EXPECTED UNDERNEATH THE CORE
  OF STORMS. OTHERWISE...VERY LITTLE RAINFALL WILL OCCUR WITH
  THUNDERSTORMS. 

* LIGHTNING ACTIVITY LEVEL...2...LOCALLY 3.

* IMPACTS...OCCASIONAL LIGHTNING AND CRITICALLY DRY FUELS MAY RESULT IN
  NUMEROUS FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/PENDLETON (ALL LOWER CASE)
429 
WWUS86 KPDT 212111 CCA
RFWPDT

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE PENDLETON OR
210 PM PDT TUE AUG 21 2012

...THUNDERSTORMS LATE THIS AFTERNOON IN WALLOWA COUNTY AND THE
EAGLE CAP DISTRICT...

.A LOW PRESSURE SYSTEM THAT BROUGHT THUNDERSTORMS THIS MORNING TO
AREAS WEST OF THE BLUE MOUNTAINS IS TRACKING EASTWARD. THE
ATMOSPHERE REMAINS FAIRLY MOIST AND UNSTABLE IN THE NORTHEAST
CORNER OF OREGON...THUS THUNDERSTORMS WITH OCCASIONAL LIGHTNING
ARE POSSIBLE IN WALLOWA COUNTY AND THE EAGLE CAP DISTRICT LATE
THIS AFTERNOON AND EVENING.

ORZ631>633-WAZ631-633-675-212215-
/O.COR.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
COLUMBIA BASIN OF OREGON-SOUTHERN BLUE AND STRAWBERRY MOUNTAINS-
NORTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-BLUE MOUNTAINS OF WASHINGTON-
EASTERN WASHINGTON SOUTHERN COLUMBIA BASIN-
210 PM PDT TUE AUG 21 2012

...RED FLAG WARNING IS CANCELLED FOR THUNDERSTORMS PRODUCING
ABUNDANT LIGHTNING ACROSS FIRE WEATHER ZONES OR631...OR632...OR633...
WA631...WA633 AND WA675...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE RED
FLAG WARNING. 

THUNDERSTORMS HAVE ENDED AND WILL NO LONGER BE A THREAT TODAY.
HOWEVER...WINDS ARE BREEZY OVER PORTIONS OF THE LOWER COLUMBIA
BASIN. ANY NEW FIRE STARTS FROM THUNDERSTORMS THIS MORNING MAY
SPREAD RAPIDLY IF ENCOUNTERED BY GUSTY WINDS.

$$

ORZ634-635-220200-
/O.CON.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
EAGLE CAP DISTRICT-WALLOWA DISTRICT-
210 PM PDT TUE AUG 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING
FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING ACROSS FIRE
WEATHER ZONES OR634 AND OR635...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING.

* AFFECTED AREA...IN OREGON...FIRE WEATHER ZONE 634 EAGLE CAP
  DISTRICT AND FIRE WEATHER ZONE 635 WALLOWA DISTRICT. 

* TIMING...ISOLATED THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON
  AND EVENING.

* PRECIPITATION...WETTING RAIN CAN BE EXPECTED UNDERNEATH THE CORE
  OF STORMS. OTHERWISE...VERY LITTLE RAINFALL WILL OCCUR WITH
  THUNDERSTORMS. 

* LIGHTNING ACTIVITY LEVEL...2...LOCALLY 3.

* IMPACTS...OCCASIONAL LIGHTNING AND CRITICALLY DRY FUELS MAY RESULT IN
  NUMEROUS FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/PENDLETON (ALL LOWER CASE)
730 
WWUS86 KPDT 212318
RFWPDT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
418 PM PDT TUE AUG 21 2012

ORZ634-635-220030-
/O.CAN.KPDT.FW.W.0007.000000T0000Z-120822T0200Z/
EAGLE CAP DISTRICT-WALLOWA DISTRICT-
418 PM PDT TUE AUG 21 2012

...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES OR634 AND OR635...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE RED
FLAG WARNING. 

THUNDERSTORMS HAVE ENDED IN THE WALLOWA DISTRICT.

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/PENDLETON (ALL LOWER CASE)

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 20, 6:20 AM PDT, 2 hours 36 minutes earlier.

Area forecast discussion, Aug 20, 6:20 AM PDT, 2 hours 36 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
620 AM PDT MON AUG 20 2012

UPDATED AVIATION DISCUSSION

.SHORT TERM...TODAY THROUGH TUESDAY NIGHT. LOW PRESSURE OFF THE
PACNW COAST WILL SPIN DISTURBANCES INTO OUR AREA LATER TODAY.
COMBINING THIS WITH DAYTIME HEATING AND MOISTURE WILL PRODUCE ISOLD
TSRA MAINLY OVER CENTRAL OREGON AND EXTENDING NORTHEAST INTO THE
BLUE/WALLOWA MOUNTAINS THIS AFTERNOON AND EVENING. THE SHOWERS/ISOLD
TSRA MAY PERSIST OVERNIGHT ACROSS THE ENTIRE AREA AS A UPPER LEVEL
JET MOVES OVER THE REGION.

THE NEXT STRONGER DISTURBANCE TO AFFECT THE AREA SHOULD BE ON
TUESDAY. AHEAD OF THE DISTURBANCE AND ASSOCIATED COLD
FRONT...THUNDERSTORMS SHOULD DEVELOP OVER PORTIONS OF OUR AREA ALONG
AND AHEAD OF THE COLD FRONT. THE BEST CHANCE FOR TSRA SHOULD BE OVER
THE EASTERN PORTIONS OF THE AREA LATE TUESDAY MORNING AND AFTERNOON.
THE FRONT MOVES RAPIDLY EAST ACROSS THE REGION AND WITH DRIER AIR
INVADING THE REGION FROM THE WEST TUESDAY AFTERNOON AND EVENING. AS
THE COLD FRONT MOVES AWAY...OUR AREA SHOULD BECOME PCPN FREE
TUESDAY NIGHT.

AFTERNOON HIGH TEMPERATES TODAY WILL REMAIN ABOVE NORMAL. HOWEVER A
COLD FRONT WILL TRACK ACROSS THE TWO STATE AREA AND HIGH
TEMPERATURES SHOULD BE NEARLY TEN DEGREES COOLER ON TUESDAY
AFTERNOON.

.LONG TERM...WEDNESDAY THROUGH SUNDAY...BY DAYBREAK WEDNESDAY THE
UPPER SHORT WAVE WILL HAVE ALREADY EXITED THE REGION RESULTING IN A
DRIER WESTERLY DOWNSLOPE FLOW ALOFT WHICH WILL BRING MUCH COOLER AIR
MASS INTO THE FORECAST AREA. THE TRACK OF MID/UPPER LEVEL LOWS
MOVING EASTWARD AND INLAND FROM THE GULF OF ALASKA WILL BE THROUGH
WESTERN CANADA FROM WEDNESDAY THROUGH SUNDAY, WHICH ALLOWS WESTERLY
FLOW ALOFT TO PRODUCE DOWNSLOPE WINDS EAST OF THE CASCADES WITH
ATTENDANT SUBSIDENCE PRODUCING DRY AND STABLE CONDITIONS PERSISTING
THROUGH SUNDAY. TEMPERATURES WILL BE NEAR TO SLIGHTLY BELOW NORMAL
FOR THE REMAINDER OF THE WEEK AND THROUGH THE WEEKEND AS WELL WITH
OCCASIONAL BREEZY CONDITIONS AND LITTLE CHANCE FOR PRECIPITATION.
POLAN

&&

.AVIATION...12Z TAFS...VFR CONDITIONS ARE EXPECTED FOR THE NEXT 24
HOURS. SKIES WILL BE MOSTLY CLEAR...EXCEPT AT KRDM AND KBDN WHERE
MID LEVEL CLOUDS WITH BASES AROUND 12000-13000 FT AGL WILL MOVE IN
BY 21/03Z. OTHERWISE, THERE WILL BE SOME CUMULUS BUILDUPS OVER THE
EASTERN OREGON MOUNTAINS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS
AFTERNOON/EVENING OVER THE MOUNTAINS IN CENTRAL AND NORTHEAST
OREGON. DURING THE OVERNIGHT PERIOD FROM MIDNIGHT TO DAYBREAK ON
TUESDAY THERE IS A SLIGHT CHANCE OF THUNDERSTORMS IN SOUTH CENTRAL
AND SOUTHEAST WASHINGTON AS WELL AS IN CENTRAL, NORTH CENTRAL AND
NORTHEAST OREGON. WINDS WILL INCREASE BEGINNING THIS AFTERNOON AND
CONTINUING INTO THE EVENING IN THE EASTERN COLUMBIA RIVER GORGE AND
THE WESTERN OREGON LOWER COLUMBIA BASIN...AFFECTING KDLS...TO
BETWEEN 15 TO 20 KTS WITH GUSTS OF 25-30 KTS IN THE AFTERNOON DUE TO
AN INCREASE IN WESTERLY PRESSURE GRADIENTS. THESE WINDS WILL THEN
DECREASE LATE TONIGHT.  POLAN

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  93  61  86  53 /  10  20  20  20
ALW  93  65  87  59 /  10  20  20  20
PSC  97  64  90  58 /   0  20  20  10
YKM  94  60  88  56 /  10  20  20  10
HRI  94  60  89  57 /  10  20  20  10
ELN  94  59  85  57 /  10  20  20  10
RDM  91  52  82  42 /  20  20  20  10
LGD  92  58  86  52 /  20  20  30  20
GCD  91  57  85  51 /  20  20  20  20
DLS  89  61  83  58 /   0  20  20  10

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...FIRE WEATHER WATCH FROM THIS EVENING THROUGH TUESDAY EVENING
     ORZ041-042-044-508.

     FIRE WEATHER WATCH FROM THIS EVENING THROUGH TUESDAY EVENING
     ORZ049-050-502-503-507.

WA...FIRE WEATHER WATCH FROM THIS EVENING THROUGH TUESDAY EVENING
     WAZ024-026>029-521.

     FIRE WEATHER WATCH FROM THIS EVENING THROUGH TUESDAY EVENING
     WAZ030.

&&

THREAT INDEX
TODAY : GREEN
TUESDAY : GREEN
WEDNESDAY : 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

97/99/99
Hazardous weather outlook, Aug 20, 6:35 AM PDT, 2 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
635 AM PDT MON AUG 20 2012

ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
211345-
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-
635 AM PDT MON AUG 20 2012

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

.DAY ONE...TODAY AND TONIGHT

FIRE WEATHER WATCH
     EAST SLOPES OF THE WASHINGTON CASCADES, SIMCOE 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
     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.

THUNDERSTORMS
     EAST SLOPES OF THE WASHINGTON CASCADES, SIMCOE 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
     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

A LOW PRESSURE SYSTEM WILL SPIN DISTURBANCES ACROSS THE AREA
TODAY. COMBINING THIS WITH DAYTIME HEATING AND MOISTURE WILL
PRODUCE ISOLATED THUNDERSTORMS ACROSS PORTIONS OF THE REGION
THIS AFTERNOON AND EVENING. THE THUNDERSTORMS COULD PRODUCE
ABUNDANT LIGHTING CREATING CRITICAL FIRE CONDITIONS ACROSS NORTH
CENTRAL OREGON AND SOUTH CENTRAL WASHINGTON AND A FIRE WEATHER
WATCH IS IN EFFECT THIS EVENING. ADDITIONAL INFORMATION CAN BE
FOUND UNDER THE HEADER...PDXRFWPDT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

FIRE WEATHER WATCH TUESDAY
     EAST SLOPES OF THE WASHINGTON CASCADES, SIMCOE 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
     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

THUNDERSTORMS TUESDAY
     EAST SLOPES OF THE WASHINGTON CASCADES, SIMCOE 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
     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

A LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT WILL MOVE ACROSS
THE AREA ON TUESDAY. COMBINING THIS WITH DAYTIME HEATING AND
MOISTURE WILL PRODUCE ISOLATED THUNDERSTORMS ACROSS PORTIONS OF
THE REGION ON TUESDAY AND TUESDAY EVENING. THE THUNDERSTORMS
COULD PRODUCE ABUNDANT LIGHTING CREATING CRITICAL FIRE CONDITIONS
ACROSS NORTH CENTRAL OREGON AND SOUTH CENTRAL WASHINGTON AND A
FIRE WEATHER WATCH IS IN EFFECT ON TUESDAY. ADDITIONAL INFORMATION
CAN BE FOUND UNDER THE HEADER...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.

Nearby

Red Flag Warnings in Washington, 2012Red Flag Warnings in Oregon, 2012Every red flag warning in 2012

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.