Alert archive / Idaho / Red Flag Warnings in 2015
Red Flag Warning 16, NWS Spokane, WA
NWS Spokane, WA issued this red flag warning at Aug 13, 2015, 3:03 PM PDT for 5 counties in Idaho. It took effect at Aug 13, 2015, 11:00 PM PDT. It was in force for 29 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 13, 2015, 3:03 PM PDT (22:03 UTC)
- In effect from
- Aug 13, 2015, 11:00 PM PDT
- Expired
- Aug 15, 2015, 4:00 AM PDT
- In force
- 29 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 22:02 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 12:00Z, 10.1 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
- 9 J/kg
- Mixed-layer CIN
- -435 J/kg
- Mixed-layer LCL
- 3082 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
747 WWUS86 KOTX 132203 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 303 PM PDT THU AUG 13 2015 ...A COLD FRONT WILL TRACK ACROSS THE FIRE DISTRICTS FRIDAY. THIS WILL RESULT IN A GOOD CHANCE OF THUNDERSTORMS AND GUSTY WINDS TONIGHT AND FRIDAY... .MOISTURE MOVING INTO THE REGION AHEAD OF AN APPROACHING STORM SYSTEM WILL RESULT IN THUNDERSTORMS TONIGHT ACROSS THE SOUTHERN CASCADES AND THE LOWER BASIN. THUNDERSTORMS FOR THE REMAINDER OF THE REGION WILL NOT BEGIN UNTIL FRIDAY MORNING. IN ADDITION A STRONG COLD FRONT WILL MOVE ACROSS THE REGION ON FRIDAY. THIS WILL RESULT IN WINDY/GUSTY CONDITIONS. WAZ673-674-676-677-140615- /O.NEW.KOTX.FW.W.0016.150814T0600Z-150815T0300Z/ /O.CON.KOTX.FW.W.0015.000000T0000Z-150814T0300Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- 303 PM PDT THU AUG 13 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR DRY AND UNSTABLE CONDITIONS... ...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT FRIDAY FOR ABUNDANT LIGHTNING TONIGHT AND FRIDAY AND FOR WIND AND LOW RELATIVE HUMIDITY FOR FRIDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG WARNING FOR ABUNDANT LIGHTNING AND WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT FRIDAY. * 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 676 EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676) AND FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677). * LIGHTNINGS: NOCTURNAL THUNDERSTORMS WILL INCREASE IN INTENSITY AFTER 1100 PM TONIGHT AND CONTINUE THROUGH FRIDAY. * WINDS: WILL INCREASE OUT OF THE SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH AFTER 1000 AM FRIDAY MORNING. * RELATIVE HUMIDITIES: 20 PERCENT TO 35 PERCENT IN THE VALLEYS AND 30 TO 40 PERCENT OVER THE HIGHER TERRAIN. * IMPACTS: COMBINED WITH DRY FUELS...THE COMBINATION OF THUNDERSTORMS WITH ABUNDANT LIGHTNING WILL BRING THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ684>687-140615- /O.NEW.KOTX.FW.W.0016.150814T1200Z-150815T0300Z/ /O.CON.KOTX.FW.W.0015.000000T0000Z-150814T0300Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTH CASCADES (ZONE 685)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 303 PM PDT THU AUG 13 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR DRY AND UNSTABLE CONDITIONS... ...RED FLAG WARNING IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY FOR THUNDERSTORMS CONTAINING ABUNDANT LIGHTNING... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG WARNING FOR THUNDERSTORMS WITH ABUNDANT LIGHTNING...WHICH IS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY. * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 685 EAST WASHINGTON NORTH CASCADES (ZONE 685)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * LIGHTNING: THUNDERSTORMS WILL INCREASE IN INTENSITY FRIDAY MORNING AND LAST THROUGH A GOOD PORTION OF THE DAY. * WINDS: NORTHWEST WINDS 10 TO 12 MPH WILL CHANGE TO WESTERLY AND BECOME 10 TO 20 MPH WITH GUSTS UP TO 3O MPH BY MID DAY FRIDAY. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF ABUNDANT LIGHTNING AND GUSTY STRONG WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ WAZ680-682-140615- /O.NEW.KOTX.FW.W.0016.150814T0600Z-150814T2100Z/ EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)- EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)- 303 PM PDT THU AUG 13 2015 ...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT FRIDAY FOR ABUNDANT LIGHTNING... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG WARNING FOR ABUNDANT LIGHTNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT FRIDAY. * AFFECTED AREA: FIRE WEATHER ZONE 680 EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680) AND FIRE WEATHER ZONE 682 EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682). * LIGHTNING: THUNDERSTORMS WILL INCREASE IN INTENSITY AROUND MIDNIGHT AND LINGER THROUGH THE DAY FRIDAY. THUNDERSTORMS WILL START OUT DRY...BUT MAY BECOME WET BY FRIDAY AFTERNOON. * WINDS: NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR NEW 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 ABUNDANT LIGHTNING AND GUSTY WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
6 follow-up statements
205 WWUS86 KOTX 140253 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 753 PM PDT THU AUG 13 2015 ...A COLD FRONT WILL TRACK ACROSS THE FIRE DISTRICTS FRIDAY. THIS WILL RESULT IN A GOOD CHANCE OF THUNDERSTORMS AND GUSTY WINDS TONIGHT AND FRIDAY... .MOISTURE MOVING INTO THE REGION AHEAD OF AN APPROACHING STORM SYSTEM WILL RESULT IN THUNDERSTORMS TONIGHT ACROSS THE SOUTHERN CASCADES AND THE LOWER BASIN. THUNDERSTORMS FOR THE REMAINDER OF THE REGION WILL NOT BEGIN UNTIL FRIDAY MORNING. IN ADDITION A STRONG COLD FRONT WILL MOVE ACROSS THE REGION ON FRIDAY. THIS WILL RESULT IN WINDY/GUSTY CONDITIONS. WAZ673-674-676-677-141500- /O.EXP.KOTX.FW.W.0015.000000T0000Z-150814T0300Z/ /O.CON.KOTX.FW.W.0016.150814T0600Z-150815T0300Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- 753 PM PDT THU AUG 13 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT FRIDAY FOR ABUNDANT LIGHTNING TONIGHT AND FRIDAY AND FOR WIND AND LOW RELATIVE HUMIDITY FOR FRIDAY... ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR DRY AND UNSTABLE CONDITIONS... * 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 676 EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676) AND FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677). * LIGHTNINGS: NOCTURNAL THUNDERSTORMS WILL INCREASE IN INTENSITY AFTER 1100 PM TONIGHT AND CONTINUE THROUGH FRIDAY. * WINDS: WILL INCREASE OUT OF THE SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH AFTER 1000 AM FRIDAY MORNING. * RELATIVE HUMIDITIES: 20 PERCENT TO 35 PERCENT IN THE VALLEYS AND 30 TO 40 PERCENT OVER THE HIGHER TERRAIN. * IMPACTS: COMBINED WITH DRY FUELS...THUNDERSTORMS WITH ABUNDANT LIGHTNING WILL BRING THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ684>687-141500- /O.EXP.KOTX.FW.W.0015.000000T0000Z-150814T0300Z/ /O.CON.KOTX.FW.W.0016.150814T1200Z-150815T0300Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTH CASCADES (ZONE 685)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 753 PM PDT THU AUG 13 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY FOR THUNDERSTORMS CONTAINING ABUNDANT LIGHTNING... ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR DRY AND UNSTABLE CONDITIONS... * 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 685 EAST WASHINGTON NORTH CASCADES (ZONE 685)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * LIGHTNING: THUNDERSTORMS WILL INCREASE IN INTENSITY FRIDAY MORNING AND LAST THROUGH A GOOD PORTION OF THE DAY. * WINDS: NORTHWEST WINDS 10 TO 12 MPH WILL CHANGE TO WESTERLY AND BECOME 10 TO 20 MPH WITH GUSTS UP TO 3O MPH BY MID DAY FRIDAY. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF ABUNDANT LIGHTNING AND GUSTY STRONG WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ WAZ680-682-141500- /O.CON.KOTX.FW.W.0016.150814T0600Z-150814T2100Z/ EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)- EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)- 753 PM PDT THU AUG 13 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT FRIDAY FOR FOR ABUNDANT LIGHTNING... * AFFECTED AREA: FIRE WEATHER ZONE 680 EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680) AND FIRE WEATHER ZONE 682 EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682). * LIGHTNING: THUNDERSTORMS WILL INCREASE IN INTENSITY AROUND MIDNIGHT AND LINGER THROUGH THE DAY FRIDAY. THUNDERSTORMS WILL START OUT DRY...BUT MAY BECOME WET BY FRIDAY AFTERNOON. * WINDS: NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR NEW FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF ABUNDANT LIGHTNING AND GUSTY WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
069 WWUS86 KOTX 141222 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 522 AM PDT FRI AUG 14 2015 ...A COLD FRONT WILL TRACK ACROSS THE FIRE DISTRICTS FRIDAY. THIS WILL RESULT IN A GOOD CHANCE OF THUNDERSTORMS AND GUSTY WINDS THROUGH THIS EVENING... .THE THREAT OF THUNDERSTORMS WILL INCREASE ACROSS THE REGION TODAY. THE FIRST ROUND IS EXPECTED THROUGH THE MORNING HOURS...MOST NUMEROUS ACROSS THE CASCADES AND TOWARD THE IDAHO PANHANDLE AND MORE ISOLATED TO SCATTERED ACROSS INTERIOR WASHINGTON. A SECOND ROUND IS EXPECTED THIS AFTERNOON WITH THE INCOMING LOW AND THESE MAY BE SCATTERED TO NUMEROUS IN NATURE...ESPECIALLY AROUND THE CASCADES AND NORTHERN DISTRICTS. ADDITIONALLY THE SYSTEM WILL RESULT IN WINDY/GUSTY CONDITIONS. WAZ680-682-142030- /O.CON.KOTX.FW.W.0016.000000T0000Z-150814T2100Z/ EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)- EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)- 522 AM PDT FRI AUG 14 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON FOR FOR ABUNDANT LIGHTNING... * AFFECTED AREA: FIRE WEATHER ZONE 680 EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680) AND FIRE WEATHER ZONE 682 EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682). * LIGHTNING: THUNDERSTORMS WILL INCREASE THROUGH FRIDAY... STARTING OUT SOMEWHAT DRY THEN BECOMING INCREASINGLY WET IN THE AFTERNOON. * WINDS: NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR NEW 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 ABUNDANT LIGHTNING AND GUSTY WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ WAZ673-674-676-677-142030- /O.CON.KOTX.FW.W.0016.000000T0000Z-150815T0300Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- 522 AM PDT FRI AUG 14 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING TONIGHT AND FRIDAY AND FOR WIND AND LOW RELATIVE HUMIDITY FOR FRIDAY... * AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)...FIRE WEATHER ZONE 676 EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676) AND FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677). * LIGHTNING: ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO INCREASE THROUGH THE MORNING FRIDAY...WITH ANOTHER ROUND POSSIBLE IN THE AFTERNOON. * WINDS: WILL INCREASE OUT OF THE SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH AFTER 1000 AM FRIDAY MORNING. * RELATIVE HUMIDITIES: 20 PERCENT TO 35 PERCENT IN THE VALLEYS AND 30 TO 40 PERCENT OVER THE HIGHER TERRAIN. * IMPACTS: COMBINED WITH DRY FUELS...THUNDERSTORMS WITH ABUNDANT LIGHTNING WILL BRING THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ684>687-142030- /O.CON.KOTX.FW.W.0016.000000T0000Z-150815T0300Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTH CASCADES (ZONE 685)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 522 AM PDT FRI AUG 14 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR THUNDERSTORMS CONTAINING ABUNDANT LIGHTNING... * 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 685 EAST WASHINGTON NORTH CASCADES (ZONE 685)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * LIGHTNING: THUNDERSTORMS WILL INCREASE IN INTENSITY DURING THE MORNING AND LAST THROUGH A GOOD PORTION OF THE DAY. * WINDS: NORTHWEST WINDS 10 TO 12 MPH WILL CHANGE TO WESTERLY AND BECOME 10 TO 20 MPH WITH GUSTS UP TO 3O MPH BY MID DAY FRIDAY. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF ABUNDANT LIGHTNING AND GUSTY STRONG WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
714 WWUS86 KOTX 141956 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1256 PM PDT FRI AUG 14 2015 ...A COLD FRONT WILL TRACK ACROSS THE FIRE DISTRICTS TODAY. THIS WILL RESULT IN A GOOD CHANCE OF THUNDERSTORMS AND GUSTY WINDS THROUGH THIS EVENING... .THE THREAT OF THUNDERSTORMS WILL INCREASE ACROSS THE REGION THIS AFTERNOON WITH THE INCOMING LOW AND THESE MAY BE SCATTERED TO NUMEROUS IN NATURE...ESPECIALLY AROUND THE CASCADES AND NORTHERN DISTRICTS. ADDITIONALLY THE SYSTEM WILL RESULT IN WINDY/GUSTY CONDITIONS FOR MOST AREAS. WAZ680-682-150300- /O.EXT.KOTX.FW.W.0016.000000T0000Z-150815T0300Z/ EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)- EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)- 1256 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR FOR ABUNDANT LIGHTNING... * AFFECTED AREA: FIRE WEATHER ZONE 680 EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680) AND FIRE WEATHER ZONE 682 EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682). * LIGHTNING: THUNDERSTORMS WILL INCREASE THROUGH THIS AFTERNOON... STARTING OUT SOMEWHAT DRY THEN BECOMING INCREASINGLY WET. * WINDS: NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR NEW FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF ABUNDANT LIGHTNING AND GUSTY WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ WAZ673-674-676-677-150300- /O.CON.KOTX.FW.W.0016.000000T0000Z-150815T0300Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- 1256 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING TONIGHT AND FRIDAY AND FOR WIND AND LOW RELATIVE HUMIDITY FOR FRIDAY... * 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 676 EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676) AND FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677). * LIGHTNING: SCATTERED THUNDERSTORMS ARE EXPECTED TO INCREASE THROUGH THE AFTERNOON AND LINGER INTO THIS EVENING. * WINDS: WILL INCREASE OUT OF THE SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH AFTER 1000 AM FRIDAY MORNING. * RELATIVE HUMIDITIES: 15 PERCENT TO 35 PERCENT IN THE VALLEYS AND 30 TO 40 PERCENT OVER THE HIGHER TERRAIN. * IMPACTS: COMBINED WITH DRY FUELS...THUNDERSTORMS WITH ABUNDANT LIGHTNING WILL BRING THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ684>687-150300- /O.CON.KOTX.FW.W.0016.000000T0000Z-150815T0300Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- EAST WASHINGTON NORTH CASCADES (ZONE 685)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 1256 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR THUNDERSTORMS CONTAINING ABUNDANT LIGHTNING... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 684 EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)...FIRE WEATHER ZONE 685 EAST WASHINGTON NORTH CASCADES (ZONE 685)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * LIGHTNING: THUNDERSTORMS WILL INCREASE IN INTENSITY LATER THIS AFTERNOON LAST THROUGH THIS EVENING. * WINDS: NORTHWEST WINDS WINDS WILL BECOME WESTERLY 10 TO 20 MPH WITH GUSTS UP TO 3O MPH. * IMPACTS: ABUNDANT LIGHTNING COMBINED WITH DRY FUELS WILL RESULT IN THE POTENTIAL FOR VERY ACTIVE FIRE BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF ABUNDANT LIGHTNING AND GUSTY STRONG WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
388 WWUS86 KOTX 150212 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 712 PM PDT FRI AUG 14 2015 ...WINDY THIS EVENING WITH A CHANCE FOR THUNDERSTORMS ALONG THE CANADIAN BORDER... .WEST OR SOUTHWEST WINDS GUSTING TO 35 MPH WILL CONTINUE THROUGH 2300 PDT WITH THE STRONGEST GUSTS THROUGH THE CASCADE GAPS AND ACROSS THE COLUMBIA BASIN/PALOUSE/WEST PLAINS. THE POTENTIAL FOR SCATTERED SHOWERS AND THUNDERSTORMS FOR THE REMAINDER OF THE EVENING THROUGH THE NIGHT WILL BE ALONG THE CANADIAN BORDER FROM OMAK TO COLVILLE TO PRIEST LAKE. THERE MAY ALSO BE A FEW THUNDERSTORMS OVER SHOSHONE COUNTY IN IDAHO THIS EVENING. WAZ680-682-685-150315- /O.CAN.KOTX.FW.W.0016.000000T0000Z-150815T0300Z/ EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)- EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)- EAST WASHINGTON NORTH CASCADES (ZONE 685)- 712 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING IS CANCELLED FOR THE EAST WASHINGTON CENTRAL AND SOUTH CENTRAL CASCADE MOUNTAIN ZONES... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE RED FLAG WARNING. WINDS WILL BE LOCALLY GUSTY THROUGH THE EVENING...BUT HUMIDITY LEVELS HAVE INCREASED. THE THREAT FOR THUNDERSTORMS HAS ALSO DECREASED. $$ WAZ673-674-676-677-150600- /O.EXT.KOTX.FW.W.0016.000000T0000Z-150815T0600Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- 712 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE COLUMBIA BASIN... PALOUSE AND SPOKANE AREA...THE EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS...AND EAST WASHINGTON CENTRAL CASCADE VALLEYS.... * AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)...FIRE WEATHER ZONE 676 EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676) AND FIRE WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677). * LIGHTNING: THE THREAT FOR LIGHTNING HAS DECREASED. * WINDS: WEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCALIZED GUSTS TO 45 MPH THROUGH THE KITTITAS VALLEYS * RELATIVE HUMIDITIES: INCREASING THIS EVENING. AS OF 1900 PDT... RH VALUES WERE BETWEEN 30 AND 50 PERCENT...AND THEY WILL RISE TO 50 TO 70 PERCENT OVERNIGHT. * IMPACTS: STRONG WINDS WILL CONTINUE TO IMPACT SEVERAL FIRES ALONG THE EAST SLOPES OF THE CASCADES INTO THE COLUMBIA BASIN THROUGH THE EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ IDZ101-WAZ684-686-687-150600- /O.EXT.KOTX.FW.W.0016.000000T0000Z-150815T0600Z/ 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)- 712 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY AS WELL AS THE POTENTIAL FOR WIDELY SCATTERED LIGHTNING STRIKES FOR THE NORTHERN AND CENTRAL IDAHO PANHANDLE...AS WELL AS THE NORTH CENTRAL AND NORTHEAST WASHINGTON FIRE ZONES... * 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). * LIGHTNING: THE POTENTIAL FOR ABUNDANT LIGHTNING HAS DECREASED...BUT WIDELY SCATTERED STRIKES WILL REMAIN POSSIBLE ACROSS SHOSHONE COUNTY IN IDAHO AS WELL AS ALONG THE CANADIAN BORDER FROM OMAK TO KETTLE FALLS TO PRIEST LAKE. * WINDS: SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THROUGH 2300 PDT...DECREASING TO 6 TO 10 MPH BY SUNRISE. * IMPACTS: GUSTY WINDS ARE THE PRIMARY CONCERN FOR THE REMAINDER OF THE EVENING...WITH A SMALL CHANCE OF LIGHTNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LIGHTNING AND GUSTY STRONG WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
724 WWUS86 KOTX 150548 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1048 PM PDT FRI AUG 14 2015 ...WINDY TONIGHT WITH A CHANCE FOR THUNDERSTORMS ALONG THE CANADIAN BORDER... .WEST OR SOUTHWEST WINDS GUSTING TO 35 MPH WILL CONTINUE THROUGH 0400 PDT WITH THE STRONGEST GUSTS EXPECTED ON EXPOSED RIDGES. THE POTENTIAL FOR SCATTERED SHOWERS AND THUNDERSTORMS FOR THE REMAINDER OF THE NIGHT WILL BE ALONG THE CANADIAN BORDER FROM OMAK TO COLVILLE TO PRIEST LAKE. THERE MAY ALSO BE A FEW THUNDERSTORMS OVER SHOSHONE COUNTY IN IDAHO. WAZ673-674-676-677-684-150700- /O.CAN.KOTX.FW.W.0016.000000T0000Z-150815T0600Z/ EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)- EAST WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674)- EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)- 1048 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR THE COLUMBIA BASIN...PALOUSE AND SPOKANE AREA...THE EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS...EAST WASHINGTON CENTRAL CASCADE VALLEYS...AND OKANOGAN AND METHOW VALLEYS... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE RED FLAG WARNING. WINDS HAVE BEGAN TO DECREASE LATE THIS EVENING WITH RELATIVE HUMIDITY INCREASING. THE TREND FOR WEAKENING WINDS IS EXPECTED TO CONTINUE THROUGH TONIGHT. $$ IDZ101-WAZ686-687-151100- /O.EXT.KOTX.FW.W.0016.000000T0000Z-150815T1100Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 1048 PM PDT FRI AUG 14 2015 ...RED FLAG WARNING NOW IN EFFECT UNTIL 4 AM PDT SATURDAY FOR THUNDERSTORMS AND FOR BREEZY WINDS FOR THE NORTHEAST WASHINGTON DISTRICTS...OKANOGAN HIGHLANDS AND NORTHERN AND CENTRAL IDAHO PANHANDLE... * AFFECTED AREA: FIRE WEATHER ZONE 101 NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)...FIRE WEATHER ZONE 686 EAST WASHINGTON NORTHEAST (ZONE 686) AND FIRE WEATHER ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687). * LIGHTNING: THE POTENTIAL FOR ABUNDANT LIGHTNING HAS DECREASED...BUT WIDELY SCATTERED STRIKES WILL REMAIN POSSIBLE ALONG THE CANADIAN BORDER FROM OMAK TO KETTLE FALLS TO PRIEST LAKE. * WINDS: SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. STRONGEST WINDS ARE EXPECTED ALONG EXPOSED WEST AND SOUTH FACING RIDGES. * IMPACTS: GUSTY WINDS ARE THE PRIMARY CONCERN FOR THE REMAINDER OF TONIGHT...WITH A SMALL CHANCE OF LIGHTNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LIGHTNING AND GUSTY STRONG WINDS WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$
410 WWUS86 KOTX 151057 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 357 AM PDT SAT AUG 15 2015 IDZ101-WAZ686-687-151200- /O.EXP.KOTX.FW.W.0016.000000T0000Z-150815T1100Z/ NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)- EAST WASHINGTON NORTHEAST (ZONE 686)- EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)- 357 AM PDT SAT AUG 15 2015 ...RED FLAG WARNING WILL EXPIRE AT 4 AM PDT EARLY THIS MORNING FOR THUNDERSTORMS AND FOR BREEZY WINDS FOR THE NORTHEAST WASHINGTON DISTRICTS...OKANOGAN HIGHLANDS AND NORTHERN AND CENTRAL IDAHO PANHANDLE... THE ABUNDANT LIGHTNING AND WINDS CONTINUE TO WANE...WITH AN INCREASE IN RELATIVE HUMIDITY. THUS THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. $$
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 13, 2:25 PM PDT, 38 minutes earlier.
Area forecast discussion, Aug 13, 2:25 PM PDT, 38 minutes before
Area Forecast Discussion
National Weather Service Spokane WA
225 PM PDT THU AUG 13 2015
.SYNOPSIS...
A chance of thunderstorms is expected tonight. A cold front will
push through the Inland Northwest Friday. This will bring strong
gusty winds, cooler temperatures and showers and strong
thunderstorms. Some storms may be severe. Breezy and cooler
conditions are expected through the weekend and early next week.
&&
.DISCUSSION...
Tonight...Dry and unstable conditions have resulted in area wildfires
becoming quite active this afternoon. The Red Flag Warning for
dry and unstable conditions will be allowed to continue through
800 pm this evening. Otherwise some isolated convection will begin
to pop up across our southeast zones this evening.
Overnight the weather activity will increase in intensity. The well
advertised upper level low will push mid level moisture into the
region through the night. Model guidance indicates an increasingly
unstable atmosphere with MU capes increasing to 400-500 J/KG after
06z along the Cascades and into the basin. The models are also
consistent showing a weak wave moving north just east of the
Cascades. Upper level divergence will also aid in the lifting
process. All of this together spells out a chance for nocturnal
thunderstorms for the above mentioned areas. A Red Flag Warning
was issued for the central Washington Cascades and the basin for
the potential for new fire starts. Thunderstorms will likely
become wet, but not until Friday afternoon. A cold front on Friday
will increase winds across the region as well. As such a Red Flag
Warning will be issued for Thunderstorms with abundant lightning
beginning at 1100 pm tonight and lasting through Friday evening.
Tobin
SEVERE THUNDERSTORMS AND WINDY CONDITIONS POSSIBLE ON FRIDAY
Friday...A day of big changes and very active weather is in store
for the region as the upper low which has camped out off the
coast for the last few days ejects inland as a strong and dynamic
trough aloft with a strong cold front passage at the surface.
Friday morning the trough will be approaching and the cold front
will still be west of the Cascades. A precursor wave aloft in the
southerly flow will bring isolated to scattered high based
thunderstorms through the area during the morning...concentrated
over the Idaho Panhandle and the Cascades. Except for the Cascades
These storms will probably have at best light precipitation but
could be efficient lightning producers.
The afternoon will feature three distinct weather regimes across
the area. The Cascades...under deep moisture and near the dynamic
center of the arriving upper low will be subject to scattered
heavy rain producing thunderstorms (they will quickly wetten up
during the morning hours) and this presents a flash flood threat
to the area burn scars. A Flash Flood Watch will be issued for the
East Slopes burn scars with the afternoon package.
The second regime will be the Columbia Basin where thunderstorm
activity will be minimal in the deep basin and probably only
isolated over the northern and eastern basin. Increasing winds
will be the problem here as the cold front breaks out of the
Cascades and moves through the region. winds will pick up in the
afternoon becoming sustained in the 15 to 25 mph range with gust
potential of up to 40 mph on exposed terrain...with the potential
for even stronger local gusts from nearby thunderstorms.
The third and most concerning regime will be the mountains north
and east of the basin roughly north and east of a line from
Pullman to Spokane to Omak. It is here that morning high based
thunderstorms will become increasingly surface based by afternoon
exploiting CAPE values possibly in excess of 1000 joules/Kg with
0-6km bulk shear values adequate for scattered organized and at
least isolated severe thunderstorms featuring large
hail...frequent lightning and local damaging winds.
The timing of all the ingredients is not perfect for a major
severe weather episode but the expectation of scattered strong
thunderstorms with a few of them going severe is quite
justified...especially in the Idaho Panhandle.
Friday night through Saturday night...The forecast area will be in
the post-frontal maritime air mass. After evening thunderstorms
subside Friday night conditions will remain breezy across most of
the region well into the night. A weak secondary wave will bump
through along the Canadian border on Saturday keeping a small
chance of showers and thunderstorms across the north. Temperatures
on Saturday will be much cooler and may not break out of the 70s
except in the lowest elevation locations. /Fugazzi
Sunday through Thursday...The long-wave number still lingers at 5
which suggests the continued dynamic and progressive forecast
interval for the area. Sunday starts out with a general trof void
of significant shortwaves passing through it over the forecast
area. Monday yet another area of low pressure digs into this trof
off the coast and pumps up a negatively tilted ridge over North
Idaho that tilts back into Northeast Washington. The low continues
to dig south into the trof and keeps the negatively tilted ridge
in the same place Tuesday (but with slightly less amplitude). By
Wednesday the low ejects from off the coast and moves towards the
Great Basin, this results in a slight de-amplification of the
negatively tilted ridge that turns into somewhat of a col or
saddle point over Washington and North Idaho. On Thursday all
these features translate away to the east and we are left with
northwest flow on the west side of a general trof void of
significant shortwave passage. All in all the above scenario
results in a generally dry forecast with temperatures peaking Monday.
/Pelatti
&&
.AVIATION...
18Z TAFS: Warm and dry with a ridge in advance of an approaching
upper level low. A disturbance approaching from the south late
this afternoon will bring some shower/t-storm activity across the
southeast zones after 23-01Z,mainly affecting KLWS/KPUW. The
threat then begins to move north toward the remaining TAF sites
toward 03-07Z. Then there should be a break in the activity
through the remainder of the night, but will increase from the
southwest after 12z effecting KEAT. Smoke from area wildfires
will likely filter in around KEAT/KLWS again, possibly reducing
visibility to MVFR levels. Tobin
&&
.PRELIMINARY POINT TEMPS/POPS...
Spokane 69 86 56 77 54 83 / 30 20 10 10 0 0
Coeur d'Alene 65 88 54 76 51 82 / 30 40 20 20 0 0
Pullman 59 85 51 77 49 82 / 30 40 20 10 0 0
Lewiston 70 93 60 85 56 90 / 30 50 20 10 0 0
Colville 61 92 54 79 53 84 / 30 50 40 20 20 10
Sandpoint 56 89 54 73 48 80 / 30 50 40 20 0 10
Kellogg 62 87 51 74 48 82 / 30 50 30 20 0 0
Moses Lake 64 88 56 83 54 86 / 20 20 10 10 0 0
Wenatchee 73 86 58 82 57 86 / 30 30 10 0 0 0
Omak 67 91 57 81 54 86 / 30 60 20 20 10 10
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...Red Flag Warning until 8 PM PDT this evening for Northern and
Central Idaho Panhandle (Zone 101).
Red Flag Warning from 5 AM to 8 PM PDT Friday for Northern and
Central Idaho Panhandle (Zone 101).
Heat Advisory until 8 PM PDT this evening for Lewiston Area.
WA...Red Flag Warning until 8 PM PDT this evening for East Washington
Central Cascade Valleys (Zone 677)-East Washington North
Cascades (Zone 685)-East Washington Northeast (Zone 686)-
East Washington Northern Columbia Basin (Zone 673)-East
Washington Okanogan Highlands (Zone 687)-East Washington
Okanogan/Methow Valleys (Zone 684)-East Washington Palouse
and Spokane Area (Zone 674)-East Washington South Central
Cascade Valleys (Zone 676).
Red Flag Warning from 5 AM to 8 PM PDT Friday for East
Washington North Cascades (Zone 685)-East Washington
Northeast (Zone 686)-East Washington Okanogan Highlands
(Zone 687)-East Washington Okanogan/Methow Valleys (Zone
684).
Red Flag Warning from 11 PM this evening to 8 PM PDT Friday for
East Washington Central Cascade Valleys (Zone 677)-East
Washington Northern Columbia Basin (Zone 673)-East
Washington Palouse and Spokane Area (Zone 674)-East
Washington South Central Cascade Valleys (Zone 676).
Heat Advisory until 8 PM PDT this evening for Lower Garfield and
Asotin Counties.
Flash Flood Watch from Friday morning through Friday evening for
East Slopes Northern Cascades-Wenatchee Area.
Red Flag Warning from 11 PM this evening to 2 PM PDT Friday for
East Washington Central Cascade Mountains (Zone 682)-East
Washington South Central Cascade Mountains (Zone 680).
&&Hazardous weather outlook, Aug 13, 5:13 AM PDT, 9 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 513 AM PDT THU AUG 13 2015 WAZ041>043-141215- WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 513 AM PDT THU AUG 13 2015 This Hazardous Weather Outlook is for portions of North Central Washington. .DAY ONE...TODAY AND TONIGHT Isolated thunderstorms are possible late this afternoon and tonight. Any lightning from these storms could result in new wildfire starts. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY Low pressure and a cold front moves inland Friday. This will carry a threat of thunderstorms. This will increase the potential for flash flooding and debris flows for areas in and near recent burn scars through Friday evening. Other potential hazards with thunderstorms will include gusty winds and new fire starts from lightning strikes. IDZ001>004-026-027-WAZ031>038-044-141215- NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-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- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WATERVILLE PLATEAU- 513 AM PDT THU AUG 13 2015 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho...Central Washington...East Central Washington...North Central Washington...Northeast Washington and Southeast Washington. .DAY ONE...TODAY AND TONIGHT Isolated thunderstorms are possible over north Idaho early this morning and then again late this afternoon and tonight across the region. Any lightning from these storms could result in new wildfire starts. Potentially dangerous record breaking heat is possible today. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY Dangerous record breaking heat is possible Thursday. Low pressure and a cold front moves in Friday. This will carry the potential for strong thunderstorms through Friday evening. Possible impacts from thunderstorms are locally damaging winds, hail and brief heavy downpours. Additionally any lightning from these storms could result in new wild fires.
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 2:54 PM PDT | Flash Flood Watch | OTX | Chelan, Douglas, Okanogan | 30 hr |
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.