Alert archive / Washington / Red Flag Warnings in 2016
Red Flag Warning 2, NWS Seattle, WA
NWS Seattle, WA issued this red flag warning at Aug 19, 2016, 9:01 AM PDT. It took effect at Aug 20, 2016, 8:00 AM PDT. It was in force for 14 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 19, 2016, 9:01 AM PDT (16:01 UTC)
- In effect from
- Aug 20, 2016, 8:00 AM PDT
- Expired
- Aug 20, 2016, 10:00 PM PDT
- In force
- 14 hr
- Issued by
- NWS Seattle, WA
The text
As transmitted.
972 WWUS86 KSEW 191601 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 901 AM PDT FRI AUG 19 2016 ...A RED FLAG WARNING IS IN EFFECT TODAY AND THIS EVENING FOR A COMBINATION OF LOW RELATIVE HUMIDITY AND A MODERATE BREEZE FOR ALL OF WESTERN WASHINGTON EXCEPT THE IMMEDIATE COAST... ...A RED FLAG WARNING CONTINUES ON SATURDAY OVER THE OLYMPIC MOUNTAINS AS WELL AS THE CENTRAL AND NORTH CASCADES FOR DRY AND UNSTABLE CONDITIONS... .AN EAST AND NORTHEAST WIND EVENT IS UNDERWAY TODAY. WINDS WILL DIMINISH LATER TODAY AND THIS EVENING. A DRY AND UNSTABLE AIR MASS WILL THEN SETTLE OVER THE MOUNTAINS TONIGHT AND SATURDAY...CONTINUING CRITICAL CONDITIONS OVER THE MOUNTAINS ON SATURDAY. WAZ652-658-659-661-200015- /O.CAN.KSEW.FW.A.0002.160820T0700Z-160821T0000Z/ /O.EXT.KSEW.FW.W.0001.000000T0000Z-160821T0500Z/ WEST PORTION OF THE OLYMPIC MOUNTAINS- WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 901 AM PDT FRI AUG 19 2016 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM PDT SATURDAY FOR LOW HUMIDITY IN COMBINATION WITH A MODERATE BREEZE TODAY THEN AN UNSTABLE AIR MASS ON SATURDAY... * AFFECTED AREA...FIRE WEATHER ZONES 652...661...658 AND 659. THIS INCLUDES THE OLYMPIC MOUNTAINS ABOVE 1500 FEET AS WELL AS THE WEST SIDE OF THE CASCADES ABOVE 1500 FEET. * HUMIDITY...15 TO 25 PERCENT WILL BE COMMON THIS AFTERNOON AND AGAIN ON SATURDAY AFTERNOON...WITH POOR RELATIVE HUMIDITY RECOVERY TONIGHT. * WIND...NORTHEAST AND EAST WINDS OF 10 TO 20 MPH TODAY...ESPECIALLY OVER THE NORTHWEST PORTION OF THE OLYMPIC PENINSULA AND WEST OF THE MAJOR CASCADE PASSES. WINDS WILL DIMINISH THIS AFTERNOON AND EVENING. * INSTABILITY...THE AIR MASS WILL BECOME MORE UNSTABLE LATER TODAY...WITH UNSTABLE CONDITIONS PERSISTING THROUGH SATURDAY EVENING. MID-LEVEL HAINES 5 AND 6 CONDITIONS ARE EXPECTED TONIGHT THROUGH SATURDAY EVENING. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE UNDERWAY. WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF A MODERATE BREEZE...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO RAPID RATES OF SPREAD AND DOWNWIND SPOTTING ON EXISTING FIRES. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. IN WESTERN WASHINGTON, SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. ONCE THE RED FLAG WARNING EXPIRES...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN. HOWEVER...THE WEATHER WILL BE LESS OF AN AGGRAVATING FACTOR. && $$ WAZ650-654>657-200015- /O.CAN.KSEW.FW.A.0002.160820T0700Z-160821T0000Z/ /O.CON.KSEW.FW.W.0001.000000T0000Z-160820T0700Z/ NORTH COASTAL LOWLANDS-CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- 901 AM PDT FRI AUG 19 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT FOR A COMBINATION OF LOW RELATIVE HUMIDITY AND A MODERATE BREEZE... * AFFECTED AREA...FIRE WEATHER ZONES 650...654...656...AND 657. THIS INCLUDES THE NORTH COASTAL LOWLANDS...THE NORTH AND CENTRAL INTERIOR LOWLANDS ZONES BELOW 1500 FEET. * WIND...NORTHEAST TO EAST WIND 10 TO 18 MPH. * HUMIDITY...RELATIVE HUMIDITY OF 15 TO 25 PERCENT WILL BE COMMON THIS AFTERNOON. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE UNDERWAY. WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF A MODERATE BREEZE...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO RAPID RATES OF SPREAD AND DOWNWIND SPOTTING ON EXISTING FIRES. THIS IS ESPECIALLY TRUE IN THE TALL DRY GRASS ALONG ROADSIDES. ONCE THE RED FLAG WARNING EXPIRES...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN. HOWEVER...THE WEATHER WILL BE LESS OF AN AGGRAVATING FACTOR. && $$ WAZ662-200015- /O.NEW.KSEW.FW.W.0002.160820T1500Z-160821T0500Z/ EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL RECREATIONAL AREA- 901 AM PDT FRI AUG 19 2016 ...RED FLAG WARNING IN EFFECT FROM 8 AM TO 10 PM PDT SATURDAY FOR DRY AND UNSTABLE CONDITIONS... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 8 AM TO 10 PM PDT SATURDAY. * AFFECTED AREA...FIRE WEATHER ZONE 662. THIS IS THE PORTION OF THE NORTH CASCADES NATIONAL PARK COMPLEX EAST OF THE CASCADE CREST...INCLUDING STEHEKIN. * HUMIDITY...RELATIVE HUMIDITY ON SATURDAY WILL DROP BELOW 15 PERCENT. * INSTABILITY...A DEEP COLUMN OF DRY AND UNSTABLE AIR WILL DEVELOP ON SATURDAY. THE MID-LEVEL HAINES INDEX WILL REACH A 6...WHICH INDICATES A DRY AND UNSTABLE AIR MASS CAPABLE OF SUPPORTING LARGE FIRE GROWTH. * IMPACTS...WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. FIRE DANGER IS ALREADY HIGH TODAY DUE TO DRY FUELS AND LOW HUMIDITY...BUT INSTABILITY WILL BE THE ADDED AGGRAVATING FACTOR ON SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. && $$ WAZ653-200015- /O.CON.KSEW.FW.W.0001.000000T0000Z-160820T0700Z/ STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS- 901 AM PDT FRI AUG 19 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT FOR THE COMBINATION OF LOW RELATIVE HUMIDITY AND A MODERATE BREEZE... * AFFECTED AREA...FIRE WEATHER ZONE 653. THIS INCLUDES THE NORTHWEST INTERIOR LOWLANDS AND THE AREAS NEAR THE STRAIT OF JUAN DE FUCA. * WIND...NORTHEAST 10 TO 18 MPH TODAY...DIMINISHING LATE THIS AFTERNOON AND THIS EVENING. * HUMIDITY...RELATIVE HUMIDITY OF 20 TO 35 PERCENT WILL BE COMMON THIS AFTERNOON. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE UNDERWAY. WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF A MODERATE BREEZE...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO RAPID RATES OF SPREAD AND DOWNWIND SPOTTING ON EXISTING FIRES. ONCE THE RED FLAG WARNING EXPIRES...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN. HOWEVER...THE WEATHER WILL BE LESS OF AN AGGRAVATING FACTOR. && $$
3 follow-up statements
080 WWUS86 KSEW 192204 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 304 PM PDT FRI AUG 19 2016 ...A RED FLAG WARNING IS IN EFFECT FOR FIRE WEATHER ZONES 650...654...655 AND 657 UNTIL 10 PM PDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND A MODERATE BREEZE... ...RED FLAG WARNING IN EFFECT UNTIL SATURDAY EVENING OVER THE OLYMPIC MOUNTAINS AS WELL AS THE CENTRAL AND NORTH CASCADES FOR DRY AND UNSTABLE CONDITIONS... .A THERMAL PRESSURE TROUGH WAS LOCATED NEAR THE COAST ON FRIDAY AFTERNOON. THIS FEATURE WILL MIGRATE EASTWARD ACROSS WESTERN WASHINGTON ON SATURDAY. ON ONE HAND...THIS WILL BRING LIGHTER WINDS. HOWEVER...THIS FEATURE WILL BE ACCOMPANIED BY AN EXTREMELY DRY AND UNSTABLE AIR MASS ABOVE 3000 FEET. WAZ653-656-192315- /O.CAN.KSEW.FW.W.0001.000000T0000Z-160820T0700Z/ STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS- NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- 304 PM PDT FRI AUG 19 2016 ...RED FLAG WARNING IS CANCELLED FOR A COMBINATION OF LOW RELATIVE HUMIDITY AND A MODERATE BREEZE... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE RED FLAG WARNING. DRY NORTHEASTERLY FRASER OUTFLOW WINDS HAVE ENDED, AND WIND SPEEDS ARE GENERALLY BELOW 10 MPH. INSTEAD...SEABREEZES HAVE DEVELOPED THIS AFTERNOON OVER THE INTERIOR OF NORTHWEST WASHINGTON...WHICH WILL BRING RISING HUMIDITY FOR THE REST OF THIS AFTERNOON. ALTHOUGH THE RED FLAG WARNING HAS ENDED...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN FOR THE FORESEEABLE FUTURE. IN ADDITION...NEAR-RECORD HIGH TEMPERATURES WILL CONTRIBUTE TO ELEVATED FIRE DANGER FOR THE REST OF THIS AFTERNOON. $$ WAZ650-654-655-657-200500- /O.EXT.KSEW.FW.W.0001.000000T0000Z-160820T0500Z/ NORTH COASTAL LOWLANDS-CENTRAL AND SOUTH PUGET SOUND LOWLANDS- BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS- SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET- 304 PM PDT FRI AUG 19 2016 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR A COMBINATION OF LOW RELATIVE HUMIDITY AND A MODERATE BREEZE... * AFFECTED AREA...FIRE WEATHER ZONES 650...654...655...AND 657. THIS INCLUDES THE NORTH COASTAL LOWLANDS...AND THE CENTRAL AND SOUTHWEST INTERIOR LOWLANDS BELOW 1500 FEET. THIS INCLUDES THE KITSAP PENINSULA...THE I-5 CORRIDOR FROM SEATTLE ON SOUTH...AND THE NORTHWEST OLYMPIC PENINSULA. * WIND...NORTHEAST TO NORTHEAST WIND 8 TO 15 MPH. * HUMIDITY...RELATIVE HUMIDITY OF 15 TO 30 PERCENT. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE UNDERWAY. WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED DUE TO THE EFFECTS OF HOT TEMPERATURES...LOW RELATIVE HUMIDITY AND MODERATE BREEZES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW... OR WILL SHORTLY. A COMBINATION OF A MODERATE BREEZE...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO RAPID RATES OF SPREAD AND DOWNWIND SPOTTING ON EXISTING FIRES. THIS IS ESPECIALLY TRUE IN THE TALL DRY GRASS ALONG ROADSIDES. ONCE THE RED FLAG WARNING EXPIRES LATE THIS EVENING...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN. HOWEVER...THE WEATHER WILL BE LESS OF AN AGGRAVATING FACTOR. && $$ WAZ652-658-659-661-201615- /O.CON.KSEW.FW.W.0001.000000T0000Z-160821T0500Z/ WEST PORTION OF THE OLYMPIC MOUNTAINS- WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 304 PM PDT FRI AUG 19 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT SATURDAY FOR A DRY AND UNSTABLE AIR MASS... * AFFECTED AREA...FIRE WEATHER ZONES 652...661...658 AND 659. THIS INCLUDES THE OLYMPIC MOUNTAINS ABOVE 1500 FEET AS WELL AS THE WEST SIDE OF THE CASCADES ABOVE 1500 FEET. * HUMIDITY...15 TO 25 PERCENT WILL BE COMMON THIS AFTERNOON AND AGAIN ON SATURDAY AFTERNOON...WITH POOR RELATIVE HUMIDITY RECOVERY TONIGHT. * WIND...EAST WINDS HAVE MOSTLY DIMINISHED BELOW 10 MPH...AND SPEEDS WILL CONTINUE TO DIMINISH THIS EVENING. * INSTABILITY...THE AIR MASS WILL BE UNSTABLE THROUGH SATURDAY EVENING. MID-LEVEL HAINES 5 AND 6 CONDITIONS ARE EXPECTED TONIGHT THROUGH SATURDAY EVENING. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE UNDERWAY. WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW... OR WILL SHORTLY. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. IN WESTERN WASHINGTON... SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. ONCE THE RED FLAG WARNING EXPIRES...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN. HOWEVER...THE WEATHER WILL BE LESS OF AN AGGRAVATING FACTOR. && $$ WAZ662-201615- /O.CON.KSEW.FW.W.0002.160820T1500Z-160821T0500Z/ EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL RECREATIONAL AREA- 304 PM PDT FRI AUG 19 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM TO 10 PM PDT SATURDAY FOR DRY AND UNSTABLE CONDITIONS... * AFFECTED AREA...FIRE WEATHER ZONE 662. THIS IS THE PORTION OF THE NORTH CASCADES NATIONAL PARK COMPLEX EAST OF THE CASCADE CREST...INCLUDING STEHEKIN. * HUMIDITY...RELATIVE HUMIDITY ON SATURDAY WILL DROP BELOW 15 PERCENT. * INSTABILITY...A DEEP COLUMN OF DRY AND UNSTABLE AIR WILL DEVELOP ON SATURDAY. THE MID-LEVEL HAINES INDEX WILL REACH A 6...WHICH INDICATES A DRY AND UNSTABLE AIR MASS CAPABLE OF SUPPORTING LARGE FIRE GROWTH. * IMPACTS...WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. FIRE DANGER IS ALREADY HIGH TODAY DUE TO DRY FUELS AND LOW HUMIDITY...BUT INSTABILITY WILL BE THE ADDED AGGRAVATING FACTOR ON SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW... OR WILL SHORTLY. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. && $$
101 WWUS86 KSEW 201510 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 810 AM PDT SAT AUG 20 2016 ...A RED FLAG WARNING IS IN EFFECT FOR FIRE WEATHER ZONES 650... 654...655 AND 657 UNTIL 10 PM PDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND A MODERATE BREEZE... ...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING OVER THE OLYMPIC MOUNTAINS AS WELL AS THE CENTRAL AND NORTH CASCADES FOR DRY AND UNSTABLE CONDITIONS... .A THERMAL PRESSURE TROUGH WAS ALONG COAST THIS MORNING AND IS EXPECTED TO SHIFT EASTWARD ACROSS WESTERN WASHINGTON THROUGH TODAY. THIS FEATURE IS ACCOMPANIED BY AN EXTREMELY DRY AND UNSTABLE AIR MASS ABOVE 2000 FEET. WAZ652-658-659-661-202315- /O.CON.KSEW.FW.W.0001.000000T0000Z-160821T0500Z/ WEST PORTION OF THE OLYMPIC MOUNTAINS- WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 810 AM PDT SAT AUG 20 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR A DRY AND UNSTABLE AIR MASS... * AFFECTED AREA...FIRE WEATHER ZONES 652...661...658 AND 659. THIS INCLUDES THE OLYMPIC MOUNTAINS ABOVE 1500 FEET AS WELL AS THE WEST SIDE OF THE CASCADES ABOVE 1500 FEET. * HUMIDITY...15 TO 25 PERCENT WILL BE COMMON THIS AFTERNOON INTO THIS EVENING. * INSTABILITY...THE AIR MASS WILL BE UNSTABLE THROUGH THIS EVENING. MID-LEVEL HAINES 5 AND 6 CONDITIONS ARE EXPECTED. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS CONTINUE. WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW... OR WILL SHORTLY. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. IN WESTERN WASHINGTON... SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. ONCE THE RED FLAG WARNING EXPIRES...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN. HOWEVER...THE WEATHER WILL BE LESS OF AN AGGRAVATING FACTOR. && $$ WAZ662-202315- /O.CON.KSEW.FW.W.0002.000000T0000Z-160821T0500Z/ EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL RECREATIONAL AREA- 810 AM PDT SAT AUG 20 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR DRY AND UNSTABLE CONDITIONS... * AFFECTED AREA...FIRE WEATHER ZONE 662. THIS IS THE PORTION OF THE NORTH CASCADES NATIONAL PARK COMPLEX EAST OF THE CASCADE CREST...INCLUDING STEHEKIN. * HUMIDITY...RELATIVE HUMIDITY TODAY WILL DROP BELOW 15 PERCENT. * INSTABILITY...A DEEP COLUMN OF DRY AND UNSTABLE AIR WILL DEVELOP TODAY. THE MID-LEVEL HAINES INDEX WILL REACH A 6...WHICH INDICATES A DRY AND UNSTABLE AIR MASS CAPABLE OF SUPPORTING LARGE FIRE GROWTH. * IMPACTS...WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. FIRE DANGER IS HIGH TODAY DUE TO DRY FUELS AND LOW HUMIDITY...BUT INSTABILITY WILL ADD AN AGGRAVATING FACTOR TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW... OR WILL SHORTLY. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. && $$ WWW.WEATHER.GOV/ BUEHNER
043 WWUS86 KSEW 202140 RFWSEW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 240 PM PDT SAT AUG 20 2016 ...A RED FLAG WARNING REMAINS IN EFFECT FOR FIRE WEATHER ZONES 652...658...659 AND 661 UNTIL 10 PM PDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND A MID-LEVEL UNSTABLE AIR MASS... .A THERMAL SURFACE PRESSURE TROUGH IN THE WESTERN INTERIOR THIS AFTERNOON IS EXPECTED TO SHIFT EAST OF THE CASCADES TONIGHT. THIS FEATURE IS ACCOMPANIED BY AN EXTREMELY DRY AND UNSTABLE AIR MASS ABOVE 2000 FEET. LOW LEVEL ONSHORE FLOW WITH A MUCH COOLER AIR MASS WILL SURGE ONSHORE AND INTO THE INTERIOR THROUGH THE NIGHT. WAZ652-658-659-661-210500- /O.CON.KSEW.FW.W.0001.000000T0000Z-160821T0500Z/ WEST PORTION OF THE OLYMPIC MOUNTAINS- WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET- WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET- EAST PORTION OF THE OLYMPIC MOUNTAINS- 240 PM PDT SAT AUG 20 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR A DRY AND UNSTABLE AIR MASS... * AFFECTED AREA...FIRE WEATHER ZONES 652...661...658 AND 659. THIS INCLUDES THE OLYMPIC MOUNTAINS ABOVE 1500 FEET AS WELL AS THE WEST SIDE OF THE CASCADES ABOVE 1500 FEET. * HUMIDITY...15 TO 25 PERCENT WILL BE COMMON INTO THIS EVENING. * INSTABILITY...THE AIR MASS WILL BE UNSTABLE THROUGH THIS EVENING. MID-LEVEL HAINES 5 AND 6 CONDITIONS EXPECTED. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS CONTINUE. WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE IN PLACE. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. IN WESTERN WASHINGTON... SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. ONCE THE RED FLAG WARNING EXPIRES TONIGHT...BACKGROUND FIRE DANGER DUE TO DRY FUELS WILL REMAIN. HOWEVER...THE WEATHER WILL BE LESS OF AN AGGRAVATING FACTOR. && $$ WAZ662-210500- /O.CON.KSEW.FW.W.0002.000000T0000Z-160821T0500Z/ EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL RECREATIONAL AREA- 240 PM PDT SAT AUG 20 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR DRY AND UNSTABLE CONDITIONS... * AFFECTED AREA...FIRE WEATHER ZONE 662. THIS IS THE PORTION OF THE NORTH CASCADES NATIONAL PARK COMPLEX EAST OF THE CASCADE CREST...INCLUDING STEHEKIN. * HUMIDITY...LOW RELATIVE HUMIDITIES BETWEEN 10 AND 20 PERCENT. * INSTABILITY...A DEEP COLUMN OF DRY AND UNSTABLE AIR. THE MID- LEVEL HAINES INDEX OF 6 INDICATING A DRY AND UNSTABLE AIR MASS CAPABLE OF SUPPORTING LARGE FIRE GROWTH. * IMPACTS...WEATHER WILL BE A SIGNIFICANT AGGRAVATING FACTOR ON ANY FIRES THAT GET STARTED. FIRE DANGER IS HIGH TODAY DUE TO DRY FUELS AND LOW HUMIDITY...BUT INSTABILITY WILL ADD AN AGGRAVATING FACTOR THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW... OR WILL SHORTLY. A DRY AND UNSTABLE AIR MASS WITH WARM TEMPERATURES CAN CONTRIBUTE TO ACTIVE FIRE BEHAVIOR. SIGNIFICANT GROWTH ON EXISTING FIRES TAKES PLACE UNDER SUCH CONDITIONS. && $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 2:51 AM PDT | Small Craft Advisory | SEW | 20 hr | |
| Aug 19, 3:39 PM PDT | Gale Watch | SEW | 23 hr |
Nearby
Red Flag Warnings in Washington, 2016Every red flag warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.