Alert archive / Idaho / Red Flag Warnings in 2015
Red Flag Warning 20, NWS Spokane, WA
NWS Spokane, WA issued this red flag warning at Aug 28, 2015, 4:40 AM PDT for 5 counties in Idaho. It took effect at Aug 29, 2015, 11:00 AM PDT. It was in force for 8 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 28, 2015, 4:40 AM PDT (11:40 UTC)
- In effect from
- Aug 29, 2015, 11:00 AM PDT
- Expired
- Aug 29, 2015, 7:00 PM PDT
- In force
- 8 hr
- Issued by
- NWS Spokane, WA
Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Shoshone County, ID
The radar
The Spokane radar (KOTX), 89 km from the middle of the area, began a volume at 11:43 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
Spokane, WA (KOTX), launched 00:00Z, 11.7 hours before the alert went out and 19 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
- 3129 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
400 WWUS86 KOTX 281140 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 440 AM PDT FRI AUG 28 2015 ...RED FLAG WARNING FOR VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES SATURDAY... IDZ101-WAZ684-686-687-282300- /O.NEW.KOTX.FW.W.0020.150829T1800Z-150830T0300Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 440 AM PDT FRI AUG 28 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHERN WASHINGTON AND NORTH IDAHO... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY. * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. GUSTS AS HIGH AS 70 MPH IN THE MOUNTAINS. * RELATIVE HUMIDITIES: 20 TO 30 PERCENT IN THE VALLEYS. 30 TO 40 PERCENT IN THE MOUNTAINS. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. 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 AND LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
8 follow-up statements
081 WWUS86 KOTX 281504 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 804 AM PDT FRI AUG 28 2015 ...RED FLAG WARNING FOR VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES SATURDAY... WAZ673-674-290000- /O.EXA.KOTX.FW.W.0020.150829T1800Z-150830T0300Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- 804 AM PDT FRI AUG 28 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN COLUMBIA BASIN...PALOUSE AND SPOKANE AREA... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY. * AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673) AND FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674). * WINDS: SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. * RELATIVE HUMIDITIES: 18 TO 30 PERCENT. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP BY SATURDAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ684-686-687-290000- /O.CON.KOTX.FW.W.0020.150829T1800Z-150830T0300Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 804 AM PDT FRI AUG 28 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHERN WASHINGTON AND NORTH IDAHO... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTH 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. GUSTS AS HIGH AS 70 MPH IN THE MOUNTAINS. * RELATIVE HUMIDITIES: 20 TO 30 PERCENT IN THE VALLEYS. 30 TO 40 PERCENT IN THE MOUNTAINS. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP BY SATURDAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
587 WWUS86 KOTX 282115 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 215 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING FOR VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES SATURDAY... WAZ677-290600- /O.EXA.KOTX.FW.W.0020.150829T1800Z-150830T0300Z/ EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- 215 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR HIGHWAY 97 CORRIDOR BETWEEN CHELAN AND WENATCHEE... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY. * AFFECTED AREA: FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677). * WINDS: SOUTHWEST 15 TO 25 MPH WITH GUSTS RANGING BETWEEN 35 AND 55 MPH. MOUNTAIN WAVE ACTIVITY IN THE LEE OF MISSION RIDGE COULD RESULT IN ISOLATED STRONGER GUSTS. THE STRONGEST SUSTAINED WIND WILL BE ALONG THE COLUMBIA RIVER BETWEEN ENTIAT...CHELAN...AND PATEROS. * RELATIVE HUMIDITIES: 26 TO 33 PERCENT. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP BY SATURDAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ673-674-684-686-687-290600- /O.EXT.KOTX.FW.W.0020.150829T1800Z-150830T0200Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 215 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 7 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHERN WASHINGTON AND NORTH IDAHO... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)... FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)... FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTH 25 TO 35 MPH WITH GUSTS 45 TO 60 MPH. GUSTS AS HIGH AS 65 MPH IN THE MOUNTAINS. * RELATIVE HUMIDITIES: 20 TO 30 PERCENT IN THE VALLEYS. 30 TO 40 PERCENT IN THE MOUNTAINS. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP BY SATURDAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
003 WWUS86 KOTX 282300 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 400 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING FOR VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES SATURDAY... WAZ677-290700- /O.EXT.KOTX.FW.W.0020.150829T1800Z-150830T0200Z/ EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- 400 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 7 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR HIGHWAY 97 CORRIDOR BETWEEN CHELAN AND WENATCHEE... * AFFECTED AREA: FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677). * WINDS: SOUTHWEST 15 TO 25 MPH WITH GUSTS RANGING BETWEEN 35 AND 55 MPH. MOUNTAIN WAVE ACTIVITY IN THE LEE OF MISSION RIDGE COULD RESULT IN ISOLATED STRONGER GUSTS. THE STRONGEST SUSTAINED WIND WILL BE ALONG THE COLUMBIA RIVER BETWEEN ENTIAT...CHELAN...AND PATEROS. * RELATIVE HUMIDITIES: 26 TO 33 PERCENT. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP BY SATURDAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ673-674-684-686-687-290700- /O.CON.KOTX.FW.W.0020.150829T1800Z-150830T0200Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 400 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHERN WASHINGTON AND NORTH IDAHO... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)... FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)... FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTH 25 TO 35 MPH WITH GUSTS 45 TO 60 MPH. GUSTS AS HIGH AS 65 MPH IN THE MOUNTAINS. * RELATIVE HUMIDITIES: 20 TO 30 PERCENT IN THE VALLEYS. 30 TO 40 PERCENT IN THE MOUNTAINS. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP BY SATURDAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
305 WWUS86 KOTX 290545 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1045 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING FOR VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES SATURDAY... IDZ101-WAZ673-674-677-684-686-687-291530- /O.CON.KOTX.FW.W.0020.150829T1800Z-150830T0200Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 1045 PM PDT FRI AUG 28 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHERN WASHINGTON AND NORTH IDAHO... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)... FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)... FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTHWEST 25 TO 35 MPH WITH GUSTS 45 TO 60 MPH. GUSTS AS HIGH AS 65 MPH IN THE MOUNTAINS. EXCEPT IN FIRE WEATHER ZONE 677 WINDS SOUTHWEST 15 TO 25 MPH WITH GUSTS OF 35 TO 55 MPH. MOUNTAIN WAVE ACTIVITY IN THE LEE OF MISSION RIDGE COULD RESULT IN ISOLATED STRONGER GUSTS. STRONGEST SUSTAINED WINDS EXPECTED ALONG THE COLUMBIA RIVER BETWEEN ENTIAT...CHELAN AND PATEROS. * RELATIVE HUMIDITIES: 20 TO 30 PERCENT IN THE VALLEYS. 30 TO 40 PERCENT IN THE MOUNTAINS. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH ON EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP BY SATURDAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
265 WWUS86 KOTX 291309 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 609 AM PDT SAT AUG 29 2015 ...RED FLAG WARNING FOR VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES TODAY... IDZ101-WAZ673-674-677-684-686-687-292230- /O.CON.KOTX.FW.W.0020.150829T1800Z-150830T0200Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 609 AM PDT SAT AUG 29 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHERN WASHINGTON AND NORTH IDAHO... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)... FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)... FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTHWEST 25 TO 35 MPH WITH GUSTS 45 TO 60 MPH. GUSTS AS HIGH AS 65 MPH IN THE MOUNTAINS. EXCEPT IN FIRE WEATHER ZONE 677 WINDS SOUTHWEST 15 TO 25 MPH WITH GUSTS OF 35 TO 55 MPH. MOUNTAIN WAVE ACTIVITY IN THE LEE OF MISSION RIDGE COULD RESULT IN ISOLATED STRONGER GUSTS. STRONGEST SUSTAINED WINDS EXPECTED ALONG THE COLUMBIA RIVER BETWEEN ENTIAT...CHELAN AND PATEROS. * RELATIVE HUMIDITIES: 20 TO 30 PERCENT IN THE VALLEYS. 30 TO 40 PERCENT IN THE MOUNTAINS. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH OF EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP TODAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
685 WWUS86 KOTX 292224 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 324 PM PDT SAT AUG 29 2015 ...RED FLAG WARNING FOR VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES CONTINUE INTO EARLY EVENING... IDZ101-WAZ673-674-677-684-686-687-300200- /O.CON.KOTX.FW.W.0020.000000T0000Z-150830T0200Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 324 PM PDT SAT AUG 29 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHERN WASHINGTON AND NORTH IDAHO... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)... FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)... FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 45 MPH. THE STRONGEST WINDS WILL BE ACROSS THE COLUMBIA BASIN FOR THE NEXT FEW HOURS...BEFORE TAPERING OFF. * RELATIVE HUMIDITIES: 18 TO 32 PERCENT IN THE VALLEYS. 30 TO 40 PERCENT IN THE MOUNTAINS. * IMPACTS: VERY WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES WILL RESULT IN RAPID GROWTH OF EXISTING FIRES OR ANY NEW IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP TODAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
778 WWUS86 KOTX 292357 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 457 PM PDT SAT AUG 29 2015 ...RED FLAG WARNING FOR WINDY CONDITIONS IN EASTERN WASHINGTON THROUGH 7 PM... IDZ101-300100- /O.CAN.KOTX.FW.W.0020.000000T0000Z-150830T0200Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- 457 PM PDT SAT AUG 29 2015 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN AND CENTRAL IDAHO PANHANDLE... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE RED FLAG WARNING FOR WINDY CONDITIONS IN THE NORTHERN AND CENTRAL IDAHO PANHANDLE. BANDS OF LIGHT RAIN HAVE DEVELOPED OVER THE IDAHO PANHANDLE. TEMPERATURES HAVE FALLEN INTO THE 60S AND HUMIDITY LEVELS HAVE CLIMBED THIS AFTERNOON. THE COOL AND MOIST CONDITIONS SHOULD LIMIT WILDFIRE ACTIVITY. HOWEVER...RIDGE TOP WINDS WILL REMAIN GUSTY THROUGH THE NIGHT ESPECIALLY OVER EXPOSED AREAS ABOVE 5000 FEET IN BONNER AND BOUNDARY COUNTIES. $$ WAZ673-674-677-684-686-687-300200- /O.CON.KOTX.FW.W.0020.000000T0000Z-150830T0200Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 457 PM PDT SAT AUG 29 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR WINDY CONDITIONS IN CENTRAL AND EASTERN WASHINGTON... * AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)...FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)... FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * WINDS: SOUTHWEST 12 TO 16 MPH WITH GUSTS UP TO 35 MPH. MOUNTAIN RIDGE TOP GUSTS TO 40 MPH. * TIMING: ELEVATIONS BELOW 4000 FEET WILL EXPERIENCE DECREASING WINDS BY 7 PM. HOWEVER...MOUNTAIN RIDGES IN NORTHEAST AND NORTH CENTRAL WASHINGTON MAY REMAIN GUSTY THROUGH THE NIGHT WITH GUST AS HIGH AS 40 MPH. * RELATIVE HUMIDITIES: WILL IMPROVE CONSIDERABLY THROUGH THE NIGHT. * IMPACTS: WINDY CONDITIONS THIS EVENING WILL MAKE FIRE FIGHTING EFFORTS VERY DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP TODAY. THE VERY STRONG WINDS COUPLED WITH THE LOWER RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
313 WWUS86 KOTX 300205 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 705 PM PDT SAT AUG 29 2015 WAZ673-674-677-684-686-687-300315- /O.EXP.KOTX.FW.W.0020.000000T0000Z-150830T0200Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 705 PM PDT SAT AUG 29 2015 ...RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING FOR WINDY CONDITIONS IN CENTRAL AND EASTERN WASHINGTON... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ENDED THE RED FLAG WARNING FOR WINDY CONDITIONS IN THE NORTHERN AND CENTRAL IDAHO PANHANDLE. LOCALLY BREEZY CONDITIONS WILL CONTINUE THROUGH TONIGHT...AND RIDGETOP WINDS WILL REMAIN GUSTY. WIDESPREAD WINDY CONDITIONS HAVE ENDED. $$
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 Spokane, WA wrote its last area forecast discussion before this red flag warning went out at Aug 28, 2:35 AM PDT, 2 hours 5 minutes earlier.
Area forecast discussion, Aug 28, 2:35 AM PDT, 2 hours 5 minutes before
Area Forecast Discussion
National Weather Service Spokane WA
235 AM PDT FRI AUG 28 2015
.SYNOPSIS...
A cold front is approaching the area. Locally breezy conditions
are expected this afternoon with any showers expected to remain
mainly in the Cascades. The cold front passage on Saturday will
bring the potential for high winds. This will create a situation
for blowing dust with reduced visibility. Some areas may also
experience toppled trees and downed power lines. A cooler and
occasionally breezy regime with some shower activity will persist
through the next week.
&&
.DISCUSSION...
Today and Tonight: Upper level low off the coast is moving closer
to shore. A fairly persistent stream of energy will move into the
area over the next 24 hours...mainly impacting the Cascade
Mountains. Clouds will thicken and lower slightly through the day
across all of eastern WA and north ID. Smoke will still remain a
concern through the morning. Winds will increase in the afternoon
and could provide a brief break in smoke for most places. The
exception to this will be across many of the northern Valleys of
WA where smoke will likely be blown around in the valley with no
break. As the winds calm through the evening the smoke will likely
settle back across the area. South to southwest winds will
increase in the afternoon and continue through the early evening
hours. Not expecting winds as strong as what was seen yesterday.
The one exception to that statement will be the Okanogan Valley
where southerly winds will funnel up the valley. 10 to 15 mph
winds with gusts to 20 mph is possible. Models agree that the best
rain in the Cascades will occur this afternoon. Then there is a
brief break in the evening before more rain arrives overnight.
There could be some very light rain further east...into the
Okanogan Highlands or Northeast Mountains...mostly along the
Canadian border. Given the cloud cover today, have lowered
temperatures a few degrees, but temps will be near average for
this time of the year. Given the cloud cover overnight, we could
be quite warm and have temperatures 6-10 degrees above average.
/Nisbet
STRONG STORM SYSTEM TO BRING HIGH WINDS AND BLOWING DUST ON
SATURDAY
Saturday...A very active day is expected on Saturday as the deep
upper low visible offshore on satellite ejects inland through the
forecast area bringing with it a strong cold front. Moisture will
also be quite high with this system making for a very
windy...cooler and showery day across the region with some much
needed wetting rain particularly on the Cascades where up to an
inch of rain may fall near the crest from Friday evening through
Sunday morning with a third to a half of an inch plausibly
expected in the valleys and east slopes near the basin. A tenth to
a quarter inch of rain is possible across the northern tier zones
as well and this will be helpful for the firefighting activities
up there. What will not be helpful will be the strong winds
possible as the cool maritime air mass pours into the region after
the frontal passage Saturday morning. These winds will potentially
cause a great deal of trouble on active fires and thus a Red Flag
Warning for winds will be issued to cover the northern zones where
fire activity is most abundant.
Very strong winds are expected with frontal passage. Models show
850 mb winds of near 50 K's across the Columbia Basin with strong
cold air advection. This is expected to result in good momentum
transfer to the surface with 50-60 mph gusts possible. These
stronger gusts will be most likely with frontal passage in the
morning to early afternoon. Windy conditions will likely persist
through the afternoon; although 50+ mph gusts will become less
likely by this time with the front pushing into Canada. A High
Wind Watch is in effect for much of the region. The exception
will be the east slopes of the Cascades and the Wenatchee Area
where the orientation of the pressure gradient will not be as
favorable for high winds.
Blowing Dust will also be an issue in the basin where precipitation
will be more spotty or only a few hundredths will fall. This will
likely create severe visibility restrictions on area highways
Saturday during the day.
Sunday through Thursday...Model agreement is quite good through
the extended term featuring a persistently TROF pattern over the
region with a persistent south gradient feeding into a sprawling
surface low pressure over western Canada. This strongly argues for
a continued cooler than normal...breezy and occasionally showery
regime for the region with the main shower activity concentrated
on the mountains north and east of the basin. Snow levels may also
come down to the 5000 foot level in the Cascades for a brief
period on or about Wednesday. /Fugazzi
&&
.AVIATION...
06Z TAFS: High pressure shifts east and a weak cold front comes
in on Friday. This will lead to thickening clouds, with some
occasional breezy conditions in the afternoon especially between
MWH to GEG. A slight chance of showers will pass by the Cascades
and northern mountains, perhaps in the vcnty of EAT but the threat
of anything measurable outside of the mountains is minimal. Smoke
will remain in the atmosphere and in some places potentially
renewed by the continued area wildfires. Look for some MVFR VIS
with smoke in the early morning hours around GEG to COE. Guidance
suggests a better threat of impacts to VIS from smoke around
PUW/LWS in the morning hours, with MVFR conditions, potentially
bordering on IFR as smoke from wildfires to the south becomes
trapped under the morning inversion. This threat is expected to
largely clear up after 17-19Z. /J. Cote'
&&
.PRELIMINARY POINT TEMPS/POPS...
Spokane 82 64 80 53 72 52 / 0 10 50 30 50 10
Coeur d'Alene 83 59 81 51 71 49 / 0 10 50 30 50 10
Pullman 82 58 81 51 73 50 / 0 10 40 20 30 10
Lewiston 88 66 87 58 81 57 / 0 10 30 20 20 10
Colville 82 57 81 49 72 49 / 10 10 50 40 40 20
Sandpoint 83 53 81 48 69 47 / 0 10 60 30 70 20
Kellogg 85 57 81 48 70 46 / 0 10 50 40 60 20
Moses Lake 84 62 79 55 75 54 / 10 10 30 20 20 10
Wenatchee 81 66 77 57 73 56 / 10 20 50 40 20 20
Omak 80 61 78 51 71 51 / 20 20 60 60 30 20
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...Red Flag Warning from 11 AM to 8 PM PDT Saturday for Northern
and Central Idaho Panhandle (Zone 101).
High Wind Watch from Saturday morning through Saturday evening
for Central Panhandle Mountains-Coeur d'Alene Area-Idaho
Palouse-Lewis and Southern Nez Perce Counties-Lewiston Area-
Northern Panhandle.
WA...Red Flag Warning from 11 AM to 8 PM PDT Saturday for East
Washington Northeast (Zone 686)-East Washington Okanogan
Highlands (Zone 687)-East Washington Okanogan/Methow
Valleys (Zone 684).
High Wind Watch from Saturday morning through Saturday evening
for Lower Garfield and Asotin Counties-Moses Lake Area-
Northeast Blue Mountains-Northeast Mountains-Okanogan
Highlands-Okanogan Valley-Spokane Area-Upper Columbia Basin-
Washington Palouse-Waterville Plateau.
&&Hazardous weather outlook, Aug 28, 2:48 AM PDT, 1 hour 52 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 248 AM PDT FRI AUG 28 2015 IDZ002-003-026-027-WAZ031>036-044-291000- COEUR D'ALENE AREA-IDAHO PALOUSE-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE- MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA- WATERVILLE PLATEAU- 248 AM PDT FRI AUG 28 2015 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho...Central Washington...East Central Washington...Northeast Washington and Southeast Washington. .DAY ONE...TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY On Saturday a strong cold front will move through the region. The potential exists for very strong winds during the day Saturday with gusts up to 60 mph over much of the region. In addition to damage and power outages These winds will produce widespread blowing dust with local visibilities near zero and will disrupt travel on area highways throughout the Columbia Basin. A cooler than normal, breezy and showery weather pattern is expected through the upcoming week. WAZ041-042-291000- WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- 248 AM PDT FRI AUG 28 2015 This Hazardous Weather Outlook is for portions of North Central Washington. .DAY ONE...TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY No hazardous weather is expected at this time. IDZ001-004-WAZ037-038-043-291000- NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-OKANOGAN VALLEY- 248 AM PDT FRI AUG 28 2015 This Hazardous Weather Outlook is for portions of North Idaho... North Central Washington and Northeast Washington. .DAY ONE...TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY On Saturday a strong cold front will move through the region. The potential exists for very strong winds during the day Saturday with gusts up to 60 mph on exposed mountain slopes and ridges. Winds will likely be lower in the valleys but occasional strong gusts will aggravate fire fighting efforts and may cause scattered power outages. A cooler than normal, breezy and showery weather pattern is expected through the upcoming week.
Nearby
Red Flag Warnings in Idaho, 2015Red Flag Warnings in Washington, 2015Every red flag warning in 2015
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.