Alert archive / Washington / Red Flag Warnings in 2012
Red Flag Warning 4, NWS Seattle, WA
NWS Seattle, WA issued this red flag warning at Sep 12, 2012, 3:29 PM PDT for 13 counties in Washington. It was in force for 38 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
- Sep 12, 2012, 3:29 PM PDT (22:29 UTC)
- Expired
- Sep 14, 2012, 5:00 AM PDT
- In force
- 38 hr
- Issued by
- NWS Seattle, WA
Counties Clallam County, WA, Grays Harbor County, WA, Jefferson County, WA, King County, WA, Kitsap County, WA, Lewis County, WA, Mason County, WA, Pierce County, WA, Skagit County, WA, Skamania County, WA, Snohomish County, WA, Thurston County, WA, Whatcom County, WA
The radar
The Seattle radar (KATX), 78 km from the middle of the area, began a volume at 22:31 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
Quillayute State, WA (KUIL), launched 12:00Z, 10.5 hours before the alert went out and 152 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
- 1454 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -92 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
721 WWUS86 KSEW 122229 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 329 PM PDT WED SEP 12 2012 ...DRY...UNSTABLE AND LOCALLY BREEZY CONDITIONS TONIGHT AND THURSDAY... .STRONG HIGH PRESSURE ALOFT OFF THE COAST IS EXPECTED TO MOVE ACROSS THE AREA THROUGH FRIDAY. A THERMAL TROUGH OF LOW PRESSURE WILL CONTINUE TO STRENGTHEN OVER WESTERN WASHINGTON THIS EVENING INTO THURSDAY MORNING THEN SHIFT EAST OVER THE CASCADES THURSDAY AFTERNOON AND INTO EASTERN WASHINGTON BY FRIDAY. THIS PATTERN WILL RESULT IN POOR OVERNIGHT HUMIDITY RECOVERIES OVER THE CASCADES AND OLYMPICS TONIGHT WITH LOCALLY BREEZY EAST WINDS ACROSS THE WEST SLOPES OF THE CASCADES INTO THE IMMEDIATE FOOTHILL AREAS AND THE RIDGES OF THE EASTERN OLYMPICS TONIGHT INTO EARLY THURSDAY. THE WIND WILL THEN EASE LATER THURSDAY MORNING AS THE THERMAL TROUGH MOVES OVERHEAD. HOWEVER THIS WILL BRING UNSTABLE HIGH HAINES CONDITIONS TO MOST OF WESTERN WASHINGTON WITH A SIGNIFICANT PORTION OF THE AREA HAVING MINIMUM RH VALUES BELOW 25 PERCENT THURSDAY AFTERNOON. THE WESTERN OLYMPICS AND THE COASTAL AREAS HAVE BEEN LEFT OUT OF THE WATCH DUE TO THE AMOUNT OF RAIN RECEIVED SUNDAY NIGHT. FIRE ZONE 653 WAS NOT INCLUDED DUE TO HIGHER FORECAST RELATIVE HUMIDITY VALUES. WAZ658-659-130730- /O.UPG.KSEW.FW.A.0002.120913T0300Z-120914T0300Z/ /O.NEW.KSEW.FW.W.0004.120912T2229Z-120914T1200Z/ WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 329 PM PDT WED SEP 12 2012 ...RED FLAG WARNING IN EFFECT UNTIL 5 AM PDT FRIDAY FOR EAST WINDS AND LOW RH TONIGHT AND DRY AND HIGH HAINES CONDITIONS THURSDAY AND THURSDAY NIGHT FOR THE WEST SLOPES OF THE CASCADES...... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING FOR EAST WINDS AND LOW RH TONIGHT AND DRY AND HIGH HAINES CONDITIONS THURSDAY AND THURSDAY NIGHT...WHICH IS IN EFFECT UNTIL 5 AM PDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE WEST SLOPES OF THE WASHINGTON CASCADES. * WINDS...EAST TO SOUTHEAST 5 TO 10 MPH...EXCEPT LOCALLY 10 TO 15 MPH WITH GUSTS TO 25 MPH TONIGHT AND EARLY THURSDAY. * TIMING...TONIGHT AND THURSDAY MORNING FOR WINDS AND LOW RH AND THURSDAY AND THURSDAY NIGHT FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 20 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD EVEN THROUGH THE NIGHT...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$ WAZ654-655-657-661-130730- /O.UPG.KSEW.FW.A.0002.120913T0300Z-120914T0300Z/ /O.NEW.KSEW.FW.W.0004.120912T2229Z-120914T0300Z/ CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 329 PM PDT WED SEP 12 2012 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THURSDAY FOR THE EASTERN OLYMPICS...AND MUCH OF THE INTERIOR LOWLANDS SOUTH OF EVERETT FOR LOW RH...EAST WINDS AND HIGH HAINES CONDITIONS... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING FOR LOW RH...EAST WINDS AND HIGH HAINES CONDITIONS...WHICH IS IN EFFECT UNTIL 8 PM PDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE EASTERN OLYMPICS...AND THE INTERIOR LOWLANDS SOUTH OF EVERETT. * WINDS...NORTH TO NORTHEAST 5 TO 10 MPH...EXCEPT LOCALLY EAST 8 TO 14 MPH WITH GUSTS NEAR 20 OVER THE LOWLANDS NEAR THE CASCADES AND THE RIDGES AROUND THE EASTERN OLYMPICS TONIGHT INTO THURSDAY MORNING. * TIMING...TONIGHT AND THURSDAY MORNING FOR WINDS AND LOW RH AND THURSDAY AND THURSDAY EVENING FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 25 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD EVEN THROUGH THE NIGHT...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WAZ656-130730- /O.NEW.KSEW.FW.W.0004.120913T1200Z-120914T0300Z/ NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- 329 PM PDT WED SEP 12 2012 ...RED FLAG WARNING IN EFFECT FROM 5 AM TO 8 PM PDT THURSDAY FOR LOW RH AND HIGH HAINES FOR THE CASCADE VALLEY PORTION OF THE NORTHEAST PUGET SOUND LOWLANDS OR ZONE 656... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING FOR LOW RH AND HIGH HAINES...WHICH IS IN EFFECT FROM 5 AM TO 8 PM PDT THURSDAY. * AFFECTED AREA...PRIMARILY THE CASCADE VALLEYS OF ZONE 656 WHERE LOW RH CONDITIONS WILL EXIST. * TIMING...THURSDAY AND THURSDAY EVENING. * RELATIVE HUMIDITY...15 TO 20 PERCENT CASCADE VALLEYS AND 25 TO 40 PERCENT WEST PORTION OF THE ZONE. * IMPACTS...A LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$ CERNIGLIA
5 follow-up statements
425 WWUS86 KSEW 122254 CCA RFWSEW URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE SEATTLE WA 353 PM PDT WED SEP 12 2012 ...DRY...UNSTABLE AND LOCALLY BREEZY CONDITIONS TONIGHT AND THURSDAY... .CORRECTED THE SYNOPSIS...STRONG HIGH PRESSURE ALOFT OFF THE COAST IS EXPECTED TO MOVE ACROSS THE AREA THROUGH FRIDAY. A THERMAL TROUGH OF LOW PRESSURE WILL CONTINUE TO STRENGTHEN OVER WESTERN WASHINGTON THIS EVENING INTO THURSDAY MORNING THEN SHIFT EAST OVER THE CASCADES THURSDAY AFTERNOON AND INTO EASTERN WASHINGTON BY FRIDAY. THIS PATTERN WILL RESULT IN POOR OVERNIGHT HUMIDITY RECOVERIES OVER THE CASCADES AND OLYMPICS TONIGHT WITH LOCALLY BREEZY EAST WINDS ACROSS THE WEST SLOPES OF THE CASCADES INTO THE IMMEDIATE FOOTHILL AREAS AND THE RIDGES OF THE EASTERN OLYMPICS TONIGHT INTO EARLY THURSDAY. THE WIND WILL THEN EASE LATER THURSDAY MORNING AS THE THERMAL TROUGH MOVES OVERHEAD. HOWEVER THIS WILL BRING UNSTABLE HIGH HAINES CONDITIONS TO MOST OF WESTERN WASHINGTON WITH A SIGNIFICANT PORTION OF THE AREA HAVING MINIMUM RH VALUES BELOW 25 PERCENT THURSDAY AFTERNOON. THE WESTERN OLYMPICS AND THE COASTAL AREAS HAVE BEEN LEFT OUT OF THE WARNING DUE TO THE AMOUNT OF RAIN RECEIVED SUNDAY NIGHT. FIRE ZONE 653 WAS NOT INCLUDED DUE TO HIGHER FORECAST RELATIVE HUMIDITY VALUES. WAZ658-659-130815- /O.UPG.KSEW.FW.A.0002.120913T0300Z-120914T0300Z/ /O.NEW.KSEW.FW.W.0004.120912T2253Z-120914T1200Z/ WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 353 PM PDT WED SEP 12 2012 ...RED FLAG WARNING IN EFFECT UNTIL 5 AM PDT FRIDAY FOR EAST WINDS AND LOW RH TONIGHT AND DRY AND HIGH HAINES CONDITIONS THURSDAY AND THURSDAY NIGHT FOR THE WEST SLOPES OF THE CASCADES...... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING FOR EAST WINDS AND LOW RH TONIGHT AND DRY AND HIGH HAINES CONDITIONS THURSDAY AND THURSDAY NIGHT...WHICH IS IN EFFECT UNTIL 5 AM PDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE WEST SLOPES OF THE WASHINGTON CASCADES. * WINDS...EAST TO SOUTHEAST 5 TO 10 MPH...EXCEPT LOCALLY 10 TO 15 MPH WITH GUSTS TO 25 MPH TONIGHT AND EARLY THURSDAY. * TIMING...TONIGHT AND THURSDAY MORNING FOR WINDS AND LOW RH AND THURSDAY AND THURSDAY NIGHT FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 20 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD EVEN THROUGH THE NIGHT...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$ WAZ654-655-657-661-130815- /O.UPG.KSEW.FW.A.0002.120913T0300Z-120914T0300Z/ /O.NEW.KSEW.FW.W.0004.120912T2253Z-120914T0300Z/ CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 353 PM PDT WED SEP 12 2012 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THURSDAY FOR THE EASTERN OLYMPICS...AND MUCH OF THE INTERIOR LOWLANDS SOUTH OF EVERETT FOR LOW RH...EAST WINDS AND HIGH HAINES CONDITIONS... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING FOR LOW RH...EAST WINDS AND HIGH HAINES CONDITIONS...WHICH IS IN EFFECT UNTIL 8 PM PDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE EASTERN OLYMPICS...AND THE INTERIOR LOWLANDS SOUTH OF EVERETT. * WINDS...NORTH TO NORTHEAST 5 TO 10 MPH...EXCEPT LOCALLY EAST 8 TO 14 MPH WITH GUSTS NEAR 20 OVER THE LOWLANDS NEAR THE CASCADES AND THE RIDGES AROUND THE EASTERN OLYMPICS TONIGHT INTO THURSDAY MORNING. * TIMING...TONIGHT AND THURSDAY MORNING FOR WINDS AND LOW RH AND THURSDAY AND THURSDAY EVENING FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 25 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD EVEN THROUGH THE NIGHT...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$ WAZ656-130815- /O.NEW.KSEW.FW.W.0004.120913T1200Z-120914T0300Z/ NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- 353 PM PDT WED SEP 12 2012 ...RED FLAG WARNING IN EFFECT FROM 5 AM TO 8 PM PDT THURSDAY FOR LOW RH AND HIGH HAINES FOR THE CASCADE VALLEY PORTION OF THE NORTHEAST PUGET SOUND LOWLANDS OR ZONE 656... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING FOR LOW RH AND HIGH HAINES...WHICH IS IN EFFECT FROM 5 AM TO 8 PM PDT THURSDAY. * AFFECTED AREA...PRIMARILY THE CASCADE VALLEYS OF ZONE 656 WHERE LOW RH CONDITIONS WILL EXIST. * TIMING...THURSDAY AND THURSDAY EVENING. * RELATIVE HUMIDITY...15 TO 20 PERCENT CASCADE VALLEYS AND 25 TO 40 PERCENT WEST PORTION OF THE ZONE. * IMPACTS...A LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ CERNIGLIA
046 WWUS86 KSEW 130725 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 1225 AM PDT THU SEP 13 2012 ...DRY...UNSTABLE AND LOCALLY BREEZY CONDITIONS TONIGHT AND THURSDAY... .SYNOPSIS...STRONG HIGH PRESSURE ALOFT OFF THE COAST IS EXPECTED TO MOVE ACROSS THE AREA THROUGH FRIDAY. A THERMAL TROUGH OF LOW PRESSURE WILL CONTINUE TO STRENGTHEN OVER WESTERN WASHINGTON THIS MORNING THEN SHIFT EAST OVER THE CASCADES THIS AFTERNOON AND INTO EASTERN WASHINGTON BY FRIDAY. THIS PATTERN WILL RESULT IN POOR HUMIDITY RECOVERIES EARLY THIS MORNING OVER THE CASCADES AND OLYMPICS WITH LOCALLY BREEZY EAST WINDS ACROSS THE WEST SLOPES OF THE CASCADES INTO THE IMMEDIATE FOOTHILL AREAS AND THE RIDGES OF THE EASTERN OLYMPICS. THE WIND WILL THEN EASE LATER THIS MORNING AS THE THERMAL TROUGH MOVES OVERHEAD. HOWEVER THIS WILL BRING UNSTABLE HIGH HAINES CONDITIONS TO MOST OF WESTERN WASHINGTON WITH A SIGNIFICANT PORTION OF THE AREA HAVING MINIMUM RH VALUES BELOW 25 PERCENT THIS AFTERNOON. THE WESTERN OLYMPICS AND THE COASTAL AREAS HAVE BEEN LEFT OUT OF THE WARNING DUE TO THE AMOUNT OF RAIN RECEIVED SUNDAY NIGHT. FIRE ZONE 653 WAS NOT INCLUDED DUE TO HIGHER FORECAST RELATIVE HUMIDITY VALUES. WAZ658-659-131600- /O.CON.KSEW.FW.W.0004.000000T0000Z-120914T1200Z/ WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 1225 AM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY FOR EAST WINDS AND LOW RH THIS MORNING AND DRY AND HIGH HAINES CONDITIONS TODAY AND TONIGHT FOR THE WEST SLOPES OF THE CASCADES... ... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY. * AFFECTED AREA...THE WEST SLOPES OF THE WASHINGTON CASCADES. * WINDS...EAST TO SOUTHEAST 5 TO 10 MPH...EXCEPT LOCALLY 10 TO 15 MPH WITH GUSTS TO 25 MPH EARLY THIS MORNING. * TIMING...THIS MORNING FOR WINDS AND LOW RH AND TODAY AND TONIGHT FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 20 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD EVEN THROUGH THE NIGHT...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$ WAZ654-655-657-661-131600- /O.CON.KSEW.FW.W.0004.000000T0000Z-120914T0300Z/ CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 1225 AM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR THE EASTERN OLYMPICS...AND MUCH OF THE INTERIOR LOWLANDS SOUTH OF EVERETT FOR LOW RH...EAST WINDS AND HIGH HAINES CONDITIONS... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING. * AFFECTED AREA...THE EASTERN OLYMPICS...AND THE INTERIOR LOWLANDS SOUTH OF EVERETT. * WINDS...NORTH TO NORTHEAST 5 TO 10 MPH...EXCEPT LOCALLY EAST 8 TO 14 MPH WITH GUSTS NEAR 20 OVER THE LOWLANDS NEAR THE CASCADES AND THE RIDGES AROUND THE EASTERN OLYMPICS THIS MORNING. * TIMING...THIS MORNING FOR WINDS AND LOW RH AND THROUGH THIS EVENING FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 25 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD EVEN THROUGH THE NIGHT...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WAZ656-131600- /O.CON.KSEW.FW.W.0004.120913T1200Z-120914T0300Z/ NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- 1225 AM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 8 PM PDT THIS EVENING FOR LOW RH AND HIGH HAINES FOR THE CASCADE VALLEY PORTION OF THE NORTHEAST PUGET SOUND LOWLANDS OR ZONE 656... A RED FLAG WARNING REMAINS IN EFFECT FROM 5 AM THIS MORNING TO 8 PM PDT THIS EVENING. * AFFECTED AREA...PRIMARILY THE CASCADE VALLEYS OF ZONE 656 WHERE LOW RH CONDITIONS WILL EXIST. * TIMING...TODAY THROUGH THIS EVENING. * RELATIVE HUMIDITY...15 TO 20 PERCENT CASCADE VALLEYS AND 25 TO 40 PERCENT WEST PORTION OF THE ZONE. * IMPACTS...A LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$
915 WWUS86 KSEW 131523 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 823 AM PDT THU SEP 13 2012 ...DRY...UNSTABLE AND LOCALLY BREEZY CONDITIONS TODAY... .SYNOPSIS...A THERMAL TROUGH OF LOW PRESSURE OVER WESTERN WASHINGTON WILL SHIFT EAST OVER THE CASCADES THIS EVENING THEN INTO EASTERN WASHINGTON FRIDAY. THIS PATTERN WILL RESULT IN LOCALLY BREEZY EAST WINDS ACROSS THE WEST SLOPES OF THE CASCADES INTO THE IMMEDIATE FOOTHILL AREAS AND THE RIDGES OF THE EASTERN OLYMPICS. THE WIND WILL THEN EASE TODAY AS THE THERMAL TROUGH MOVES OVERHEAD. HOWEVER THIS WILL BRING UNSTABLE HIGH HAINES CONDITIONS TO MOST OF WESTERN WASHINGTON WITH A SIGNIFICANT PORTION OF THE AREA HAVING MINIMUM RH VALUES BELOW 25 PERCENT THIS AFTERNOON. THE WESTERN OLYMPICS AND THE COASTAL AREAS HAVE BEEN LEFT OUT OF THE WARNING DUE TO THE AMOUNT OF RAIN RECEIVED SUNDAY NIGHT. FIRE ZONE 653 WAS NOT INCLUDED DUE TO HIGHER FORECAST RELATIVE HUMIDITY VALUES. WAZ658-659-132330- /O.CON.KSEW.FW.W.0004.000000T0000Z-120914T1200Z/ WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 823 AM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY FOR EAST WINDS AND LOW RH THIS MORNING AND DRY AND HIGH HAINES CONDITIONS TODAY AND TONIGHT FOR THE WEST SLOPES OF THE CASCADES... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY. * AFFECTED AREA...THE WEST SLOPES OF THE WASHINGTON CASCADES. * WINDS...EAST TO SOUTHEAST 5 TO 10 MPH...EXCEPT LOCALLY 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS MORNING. * TIMING...THIS MORNING FOR WINDS AND LOW RH AND TODAY AND TONIGHT FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 20 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$ WAZ654>657-661-132330- /O.CON.KSEW.FW.W.0004.000000T0000Z-120914T0300Z/ CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 823 AM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR THE EASTERN OLYMPICS...AND MUCH OF THE INTERIOR LOWLANDS SOUTH OF EVERETT FOR LOW RH...EAST WINDS AND HIGH HAINES CONDITIONS... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING. * AFFECTED AREA...THE EASTERN OLYMPICS...AND THE INTERIOR LOWLANDS SOUTH OF EVERETT. * WINDS...NORTH TO NORTHEAST 5 TO 10 MPH...EXCEPT LOCALLY EAST 8 TO 14 MPH WITH GUSTS NEAR 20 OVER THE IMMEDIATELY NEXT TO THE CASCADES AND THE RIDGES AROUND THE EASTERN OLYMPICS THIS MORNING. WIND EASING THIS AFTERNOON. * TIMING...THIS MORNING FOR WINDS AND LOW RH AND THROUGH THIS EVENING FOR LOW RH AND HIGH HAINES. * RELATIVE HUMIDITY...AS LOW AS 15 TO 25 PERCENT. * IMPACTS...THE WIND AND LOW RH COMBINATION CAN CAUSE RAPID FIRE SPREAD...WHILE THE LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$
033 WWUS86 KSEW 132336 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 436 PM PDT THU SEP 13 2012 ...DRY AND UNSTABLE CONDITIONS CONTINUE... .SYNOPSIS...A THERMAL TROUGH OF LOW PRESSURE OVER WESTERN WASHINGTON WILL SHIFT EAST OVER THE CASCADES THIS EVENING THEN INTO EASTERN WASHINGTON FRIDAY. THIS HAS RESULTED IN LOW HUMIDITY LEVELS ACROSS THE AREA WITH AN UNSTABLE AIR MASS ALOFT. THE UNSTABLE AIR MASS WILL REMAIN IN PLACE OVERNIGHT WITH HUMIDITY LEVELS RISING ACROSS WESTERN WASHINGTON WEST OF THE CASCADES THIS EVENING THEN OVER THE CASCADES TOWARD FRIDAY MORNING. LIGHT WESTERLY...ONSHORE FLOW WILL ALLOW FOR HIGHER HUMIDITY LEVELS FRIDAY WHICH WILL EASE THE FIRE WEATHER THREAT BELOW CRITICAL WEATHER THRESHOLDS. HOWEVER...UNTIL SIGNIFICANT RAIN FALLS...THE FIRE DANGER AROUND WESTERN WASHINGTON WILL REMAIN HIGH AND EXTREME CAUTION IS NEEDED. WAZ658-659-141200- /O.CON.KSEW.FW.W.0004.000000T0000Z-120914T1200Z/ WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 436 PM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY FOR DRY AND HIGH HAINES CONDITIONS INTO TONIGHT FOR THE WEST SLOPES OF THE CASCADES... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY. * AFFECTED AREA...THE WEST SLOPES OF THE WASHINGTON CASCADES. * WINDS...EAST TO SOUTHEAST 5 TO 10 MPH BECOMING LIGHT OVERNIGHT. * TIMING...TONIGHT. * RELATIVE HUMIDITY...AS LOW AS 15 TO 25 PERCENT. * HAINES INDEX...MID LEVEL 5 AND LOCALLY 6...HIGH LEVEL 5. * IMPACTS...A LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WAZ654>657-661-140300- /O.CON.KSEW.FW.W.0004.000000T0000Z-120914T0300Z/ CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 436 PM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR THE EASTERN OLYMPICS...AND MUCH OF THE INTERIOR LOWLANDS SOUTH OF EVERETT FOR LOW RH AND HIGH HAINES CONDITIONS... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING. * AFFECTED AREA...THE EASTERN OLYMPICS...AND THE INTERIOR LOWLANDS SOUTH OF EVERETT. * WINDS...NORTH TO NORTHEAST 5 TO 10 MPH. * TIMING...THROUGH THIS EVENING. * RELATIVE HUMIDITY...AS LOW AS 20 TO 25 PERCENT. * HAINES INDEX...MID LEVEL 5 AND LOCALLY 6...HIGH LEVEL 5. * IMPACTS...A LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$
371 WWUS86 KSEW 140324 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 824 PM PDT THU SEP 13 2012 ...DRY AND UNSTABLE CONDITIONS CONTINUE... .SYNOPSIS...A THERMAL TROUGH OF LOW PRESSURE OVER WESTERN WASHINGTON WILL SHIFT EAST OVER THE CASCADES THIS EVENING THEN INTO EASTERN WASHINGTON FRIDAY. THIS HAS RESULTED IN LOW HUMIDITY LEVELS ACROSS THE AREA WITH AN UNSTABLE AIR MASS ALOFT. THE UNSTABLE AIR MASS WILL REMAIN IN PLACE OVERNIGHT WITH HUMIDITY LEVELS RISING ACROSS WESTERN WASHINGTON WEST OF THE CASCADES THIS EVENING THEN OVER THE CASCADES TOWARD FRIDAY MORNING. LIGHT WESTERLY...ONSHORE FLOW WILL ALLOW FOR HIGHER HUMIDITY LEVELS FRIDAY WHICH WILL EASE THE FIRE WEATHER THREAT BELOW CRITICAL WEATHER THRESHOLDS. HOWEVER...UNTIL SIGNIFICANT RAIN FALLS...THE FIRE DANGER AROUND WESTERN WASHINGTON WILL REMAIN HIGH AND EXTREME CAUTION IS NEEDED. WAZ654>657-661-140430- /O.EXP.KSEW.FW.W.0004.000000T0000Z-120914T0300Z/ CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 824 PM PDT THU SEP 13 2012 ...RED FLAG WARNING HAS EXPIRED FOR THE EASTERN OLYMPICS...AND MUCH OF THE INTERIOR LOWLANDS SOUTH OF EVERETT FOR LOW RH AND HIGH HAINES CONDITIONS... THE RED FLAG WARNING IS NO LONGER IN EFFECT. $$ WAZ658-659-141130- /O.CON.KSEW.FW.W.0004.000000T0000Z-120914T1200Z/ WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 824 PM PDT THU SEP 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY FOR DRY AND HIGH HAINES CONDITIONS INTO TONIGHT FOR THE WEST SLOPES OF THE CASCADES... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY. * AFFECTED AREA...THE WEST SLOPES OF THE WASHINGTON CASCADES. * WINDS...SOUTHEAST 5 TO 10 MPH. * TIMING...TONIGHT. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * HAINES INDEX...MID LEVEL 5 AND LOCALLY 6...HIGH LEVEL 5. * IMPACTS...A LOW RH AND HIGH HAINES COMBINATION CAN CAUSE LARGE FIRE GROWTH DUE TO PLUME DOMINATED PROCESSES. 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. && $$ WEATHER.GOV/SETTLE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 2:53 AM PDT | Small Craft Advisory | SEW | 15 hr |
Nearby
Red Flag Warnings in Washington, 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.