Alert archive / Washington / Red Flag Warnings in 2012
Red Flag Warning 7, NWS Seattle, WA
NWS Seattle, WA issued this red flag warning at Oct 5, 2012, 8:32 AM PDT for 9 counties in Washington. It took effect at Oct 5, 2012, 10:00 AM PDT. It was in force for 12 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
- Oct 5, 2012, 8:32 AM PDT (15:32 UTC)
- In effect from
- Oct 5, 2012, 10:00 AM PDT
- Expired
- Oct 5, 2012, 10:00 PM PDT
- In force
- 12 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, Thurston County, WA
The radar
The Langley Hill radar (KLGX), 92 km from the middle of the area, began a volume at 15:30 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, 3.5 hours before the alert went out and 136 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
- 2821 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
451 WWUS86 KSEW 051532 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 832 AM PDT FRI OCT 5 2012 ...DRY EAST WIND EVENT THROUGH SUNDAY MORNING... .A THERMAL PRESSURE TROUGH NEAR THE COAST AND COOL HIGH PRESSURE EAST OF THE CASCADES WILL LEAD TO AN EAST WIND EVENT THAT WILL PERSIST UNTIL SUNDAY MORNING. MANY LOCATIONS WILL ALSO EXPERIENCE EXTREMELY POOR NIGHTTIME HUMIDITY RECOVERY. EAST WIND WILL EASE SUBSTANTIALLY ON SUNDAY AFTERNOON. WAZ649-654-655-060000- /O.NEW.KSEW.FW.W.0007.121005T1700Z-121006T0500Z/ NORTH AND CENTRAL COASTAL STRIP- CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- 832 AM PDT FRI OCT 5 2012 ...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR DRY EAST WIND FOR FIRE WEATHER ZONES 649...654 AND 655... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING FOR DRY EAST WIND...WHICH IS IN EFFECT UNTIL 10 PM PDT THIS EVENING. * AFFECTED AREA...CENTRAL AND SOUTH PUGET SOUND LOWLANDS AND THE COASTAL STRIP. * WINDS...EAST TO NORTHEAST 7 TO 14 MPH. WIND GUSTS NEAR 20 MPH. * TIMING...THE MOST CRITICAL COMBINATION OF WIND AND LOW HUMIDITY WILL TAKE PLACE THIS AFTERNOON. * RELATIVE HUMIDITY...BOTTOMING OUT IN THE 22-30 PERCENT RANGE THIS AFTERNOON.. * IMPACTS...ANY FIRE THAT DEVELOPS MAY EXPERIENCE DRY EAST TO NORTHEAST WIND. THIS COULD CAUSE RAPID RATES OF FIRE SPREAD AND CONTROL PROBLEMS. 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. && $$ WAZ657-659-060000- /O.CON.KSEW.FW.W.0006.000000T0000Z-121006T2300Z/ SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 832 AM PDT FRI OCT 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PDT SATURDAY FOR DRY EAST WIND FOR FIRE WEATHER ZONES 657 AND 659... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PDT SATURDAY. * AFFECTED AREA...WEST SLOPES OF THE CENTRAL CASCADES AND ADJACENT FOOTHILLS...INCLUDING LOCATIONS WEST OF STEVENS... SNOQUALMIE... STAMPEDE AND WHITE PASSES...AS WELL AS NORTH BEND AND ENUMCLAW. * WINDS...EAST 10 TO 15 MPH. * TIMING...EAST WIND INCREASING TONIGHT...PEAKING IN STRENGTH ON SATURDAY MORNING. * RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITY THIS AFTERNOON OF 18-33 PERCENT. VERY POOR HUMIDITY RECOVERY TONIGHT...AS LOW AS 35 PERCENT ON ELEVATED TERRAIN. * IMPACTS...ANY FIRE THAT DEVELOPS MAY EXPERIENCE DRY FOEHN-LIKE EAST WIND THAT COULD CAUSE RAPID RATES OF FIRE SPREAD AND CONTROL PROBLEMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WAZ650-651-060000- /O.CON.KSEW.FW.W.0006.000000T0000Z-121006T2200Z/ NORTH COASTAL LOWLANDS-CENTRAL COASTAL LOWLANDS- 832 AM PDT FRI OCT 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT SATURDAY FOR DRY EAST WIND FOR FIRE WEATHER ZONES 650 AND 651... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT SATURDAY. * AFFECTED AREA...COASTAL LOWLANDS...PARTICULARLY HILLTOPS AND RIDGES EXPOSED TO EAST WIND. * WINDS...EAST 10 TO 15 MPH WITH GUSTS OF 20 MPH. RIDGES ON THE NORTHWEST OLYMPIC PENINSULA WILL EXPERIENCE WINDS OF 15 TO 20 MPH WITH GUSTS OF 30 TO 35 MPH. * TIMING...NOW THROUGH SATURDAY. * RELATIVE HUMIDITY...AFTERNOON RELATIVE HUMIDITY OF 18-30 PERCENT. RIDGES WILL EXPERIENCE VERY POOR HUMIDITY RECOVERIES TONIGHT AS LOW AS 35 PERCENT. * IMPACTS...ANY FIRE THAT DEVELOPS MAY EXPERIENCE DRY FOEHN-LIKE EAST WIND THAT COULD CAUSE RAPID RATES OF FIRE SPREAD AND CONTROL PROBLEMS. 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. && $$ HANER WEATHER.GOV/SEATTLE
1 follow-up statement
983 WWUS86 KSEW 052255 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 355 PM PDT FRI OCT 5 2012 ...DRY EAST WIND EVENT THROUGH SUNDAY MORNING... .A THERMAL PRESSURE TROUGH NEAR THE COAST AND COOL HIGH PRESSURE EAST OF THE CASCADES WILL LEAD TO AN EAST WIND EVENT THAT WILL PERSIST UNTIL SUNDAY MORNING. MANY LOCATIONS WILL ALSO EXPERIENCE EXTREMELY POOR NIGHTTIME HUMIDITY RECOVERY. EAST WIND WILL EASE SUBSTANTIALLY ON SUNDAY AFTERNOON. WAZ657-659-061600- /O.CON.KSEW.FW.W.0006.000000T0000Z-121006T2300Z/ SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- 355 PM PDT FRI OCT 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PDT SATURDAY FOR DRY EAST WIND FOR FIRE WEATHER ZONES 657 AND 659... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PDT SATURDAY. * AFFECTED AREA...WEST SLOPES OF THE CENTRAL CASCADES AND ADJACENT FOOTHILLS...INCLUDING LOCATIONS WEST OF STEVENS... SNOQUALMIE... STAMPEDE AND WHITE PASSES...AS WELL AS NORTH BEND AND ENUMCLAW. * WINDS...EAST 10 TO 15 MPH. LOCALIZED GUSTS NEAR 30 MPH. * TIMING...EAST WIND INCREASING TONIGHT...PEAKING IN STRENGTH ON SATURDAY MORNING. * RELATIVE HUMIDITY...VERY POOR HUMIDITY RECOVERY TONIGHT...AS LOW AS 35 PERCENT ON ELEVATED TERRAIN. * IMPACTS...ANY FIRE THAT DEVELOPS MAY EXPERIENCE DRY FOEHN-LIKE EAST WIND THAT COULD CAUSE RAPID RATES OF FIRE SPREAD AND CONTROL PROBLEMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WAZ649-654-655-060500- /O.CON.KSEW.FW.W.0007.000000T0000Z-121006T0500Z/ NORTH AND CENTRAL COASTAL STRIP- CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- 355 PM PDT FRI OCT 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR DRY EAST WIND FOR FIRE WEATHER ZONES 649...654 AND 655... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING. * AFFECTED AREA...CENTRAL AND SOUTH PUGET SOUND LOWLANDS AND THE COASTAL STRIP. * WINDS...EAST TO NORTHEAST 7 TO 14 MPH. WIND GUSTS NEAR 20 MPH. * TIMING...THE MOST CRITICAL COMBINATION OF WIND AND LOW HUMIDITY WILL TAKE PLACE DURING THE REMAINDER OF THE AFTERNOON. * RELATIVE HUMIDITY...BOTTOMING OUT IN THE 17-24 PERCENT RANGE THIS AFTERNOON. * IMPACTS...ANY FIRE THAT DEVELOPS MAY EXPERIENCE DRY EAST TO NORTHEAST WIND. THIS COULD CAUSE RAPID RATES OF FIRE SPREAD AND CONTROL PROBLEMS. 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. && $$ WAZ650-651-061600- /O.CON.KSEW.FW.W.0006.000000T0000Z-121006T2200Z/ NORTH COASTAL LOWLANDS-CENTRAL COASTAL LOWLANDS- 355 PM PDT FRI OCT 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT SATURDAY FOR DRY EAST WIND FOR FIRE WEATHER ZONES 650 AND 651... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT SATURDAY. * AFFECTED AREA...COASTAL LOWLANDS...PARTICULARLY HILLTOPS AND RIDGES EXPOSED TO EAST WIND. * WINDS...EAST 10 TO 15 MPH WITH GUSTS OF 20 MPH. RIDGES ON THE NORTHWEST OLYMPIC PENINSULA WILL EXPERIENCE WINDS OF 15 TO 20 MPH WITH GUSTS OF 30 TO 35 MPH. * TIMING...NOW THROUGH SATURDAY. * RELATIVE HUMIDITY...RIDGES WILL EXPERIENCE VERY POOR HUMIDITY RECOVERIES TONIGHT AS LOW AS 35-45 PERCENT. * IMPACTS...ANY FIRE THAT DEVELOPS MAY EXPERIENCE DRY FOEHN-LIKE EAST WIND THAT COULD CAUSE RAPID RATES OF FIRE SPREAD AND CONTROL PROBLEMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HANER WEATHER.GOV/SEATTLE
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.