Alert archive / Washington / Red Flag Warnings in 2012
Red Flag Warning 7, NWS Pendleton, OR
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.
- 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
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
97/99/99Hazardous 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.