Alert archive / Idaho / Red Flag Warnings in 2017
Red Flag Warning 16, NWS Spokane, WA
NWS Spokane, WA issued this red flag warning at Aug 30, 2017, 6:49 AM PDT for 5 counties in Idaho. It took effect at Aug 30, 2017, 11:00 AM PDT. It was in force for 9 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 30, 2017, 6:49 AM PDT (13:49 UTC)
- In effect from
- Aug 30, 2017, 11:00 AM PDT
- Expired
- Aug 30, 2017, 8:00 PM PDT
- In force
- 9 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 13:49 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, 1.8 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
- 3 J/kg
- Mixed-layer CIN
- -532 J/kg
- Mixed-layer LCL
- 3227 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
273 WWUS86 KOTX 301349 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 649 AM PDT Wed Aug 30 2017 ...Scattered dry thunderstorms possible over Northeastern Washington and North Idaho today... .A disturbance tracking out of Oregon will bring a threat for scattered thunderstorms across Northeastern Washington and North Idaho early this afternoon...largely between 1300 and 1700 pdt. Thunderstorms will be dry in nature and bring a threat for gusty outflow winds on the order of 25 to 35 mph on average. Isolated stronger gusts cannot be ruled out. IDZ101-WAZ686-302200- /O.NEW.KOTX.FW.W.0016.170830T1800Z-170831T0100Z/ Northern and Central Idaho Panhandle (Zone 101)- East Washington Northeast (Zone 686)- 649 AM PDT Wed Aug 30 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM PDT THIS EVENING FOR THUNDERSTORMS FOR Northeast Washington (Zone 686) and North Idaho (Zone 101)... The National Weather Service in Spokane has issued a Red Flag Warning for thunderstorms...which is in effect from 11 AM this morning to 6 PM PDT this evening. * Affected Area: Fire Weather Zone 101 Northern and Central Idaho Panhandle (Zone 101) and Fire Weather Zone 686 East Washington Northeast (Zone 686). * Thunderstorms: Scattered dry thunderstorms are expected to develop around 1200 pdt and track across northeastern Washington and North Idaho through the afternoon. Most lightning activity will be out of the area by 1700 pdt. * Outflow Winds: Hi-res models indicate the potential for outflow winds between 30 and 35 mph. Locally stronger wind gusts cannot be ruled out. * Impacts: Any lightning strikes will lead to the potential for new fire starts. Gusty outflow winds could fan new ignitions. Any personnel on ongoing incidents should be prepared for lightning strikes and gusty outflow winds as these storms move through. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
4 follow-up statements
766 WWUS86 KOTX 301704 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 1004 AM PDT Wed Aug 30 2017 ...COLD FRONT TO PRODUCE GUSTY WINDS AND LOW HUMIDITY AROUND ELLENSBURG AND SCATTERED LIGHTNING FOR IDAHO PANHANDLE AND NORTHEAST WASHINGTON... .The arrival of a cold front today will cause winds to increase through the Cascade Gaps including the Ellensburg area. The combination of gusty winds and low humidity will heighten the potential for rapid fire spread in the Kittitas Valley. The cold front will also have the potential to trigger scattered showers and thunderstorms over the Idaho Panhandle and northeast Washington this afternoon. WAZ676-310300- /O.EXB.KOTX.FW.W.0016.170830T2000Z-170831T0300Z/ East Washington South Central Cascade Valleys (Zone 676)- 1004 AM PDT Wed Aug 30 2017 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR WIND AND LOW HUMIDITY FOR FIRE ZONE 676 INCLUDING ELLENSBURG... The National Weather Service in Spokane has issued a Red Flag Warning for wind and low humidity...which is in effect from 1 PM this afternoon to 8 PM PDT this evening. * Affected Area: Fire Weather Zone 676 East Washington South Central Cascade Valleys (Zone 676). * Winds: Sustained winds of 15 to 20 mph with gusts to 30 mph. Localized gusts around Ellensburg up to 35 mph will be possible early this evening. * Relative Humidity: Humidity 13 to 23 percent this afternoon improving to 25 to 30 percent by early evening. * Impacts: Grass and brush fires in the Kittitas Valley and along Interstate 90 toward Ryegrass Summit and Vantage will have the potential to spread quickly this afternoon and early this evening. * Winds: northwest 10 to 20 mph with gusts up to 35 mph. * Timing: The lowest humidity will occur early to mid afternoon. The gustiest winds will occur early this 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...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ IDZ101-WAZ686-310100- /O.CON.KOTX.FW.W.0016.170830T1800Z-170831T0100Z/ Northern and Central Idaho Panhandle (Zone 101)- East Washington Northeast (Zone 686)- 1004 AM PDT Wed Aug 30 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM PDT THIS EVENING FOR THUNDERSTORMS FOR NORTHEAST WASHINGTON (Zone 686) AND THE NORTHERN AND CENTRAL IDAHO PANHANDLE (Zone 101)... The National Weather Service in Spokane has issued a Red Flag Warning for thunderstorms...which is in effect from 11 AM this morning to 6 PM PDT this evening. * Affected Area: Fire Weather Zone 101 Northern and Central Idaho Panhandle (Zone 101) and Fire Weather Zone 686 East Washington Northeast (Zone 686). * Thunderstorms: Scattered thunderstorms will be possible along and ahead of a cold front by early to mid afternoon. Cells will not produce much measurable precipitation as they move to the northeast around 20 to 30 mph. * Outflow Winds: Outflow wind gusts of 30 to 40 mph will be possible with showers and thunderstorms. Cells do not have to be producing lightning to be capable of producing gusty and erratic outflow winds. * Impacts: Any lightning strikes will lead to the potential for new fire starts. Gusty outflow winds could fan new ignitions. Any personnel on ongoing incidents should be prepared for lightning strikes and gusty outflow winds as these storms move through. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
335 WWUS86 KOTX 302156 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 256 PM PDT Wed Aug 30 2017 ...COLD FRONT TO PRODUCE GUSTY WINDS AND LOW HUMIDITY AROUND ELLENSBURG AND SCATTERED LIGHTNING FOR IDAHO PANHANDLE... .Thunderstorms may clip southern Shoshone County and portions of Bonner and Boundary counties late this afternoon as a cold front sweeps through the Idaho Panhandle. At this time it looks like the threat of thunderstorms for northeast Washington is too low to continue the Red Flag Warning for Stevens and Pend Oreille counties. Gusty winds and low humidity are ongoing in the Ellensburg areas. Humidity levels will increase this evening. WAZ686-302300- /O.CAN.KOTX.FW.W.0016.000000T0000Z-170831T0100Z/ East Washington Northeast (Zone 686)- 256 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING IS CANCELLED FOR SCATTERED LIGHTNING FOR NORTHEAST WASHINGTON FIRE ZONE 686... The National Weather Service in Spokane has cancelled the Red Flag Warning for Washington Fire Zone 686 in northeast Washington including Colville, Northport, Cusick, Newport, and Deer Park. Thunderstorms have not materialized over northeast Washington this afternoon. At this time, it looks unlikely that storms will develop before a cold front sweeps through the area late this afternoon. $$ WAZ676-310300- /O.CON.KOTX.FW.W.0016.000000T0000Z-170831T0300Z/ East Washington South Central Cascade Valleys (Zone 676)- 256 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR WIND AND LOW HUMIDITY FOR FOR WASHINGTON FIRE ZONE 676 INCLUDING THE ELLENSBURG AREA... * Affected Area: Fire Weather Zone 676 East Washington South Central Cascade Valleys (Zone 676). * Winds.......Northwest 15 to 20 mph with gusts to 30 mph in the evening. In the Kittitas Valley, west wind 18 to 28 mph with gusts up to 35 mph in the evening decreasing to 12 to 16 mph with gusts to 25 mph overnight. * Relative Humidity: Humidity 13 to 23 percent this afternoon improving to 25 to 30 percent by early evening. * Impacts: Grass and brush fires in the Kittitas Valley and along Interstate 90 toward Ryegrass Summit and Vantage will have the potential to spread quickly this afternoon and early this evening. * Winds: northwest 10 to 20 mph with gusts up to 35 mph. * Timing: The lowest humidity will occur early to mid afternoon. The gustiest winds will occur early this 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...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ IDZ101-310100- /O.CON.KOTX.FW.W.0016.000000T0000Z-170831T0100Z/ Northern and Central Idaho Panhandle (Zone 101)- 256 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR SCATTERED LIGHTNING FOR THE IDAHO PANHANDLE... * Affected Area: Fire Weather Zone 101 Northern and Central Idaho Panhandle (Zone 101). * Thunderstorms: Scattered thunderstorms will be possible along and ahead of a cold this afternoon. Cells will not produce much measurable precipitation as they move to the northeast around 20 to 30 mph. * Outflow Winds: Outflow wind gusts of 30 to 40 mph will be possible with showers and thunderstorms. Cells do not have to be producing lightning to be capable of producing gusty and erratic outflow winds. * Impacts: Any lightning strikes will lead to the potential for new fire starts. Gusty outflow winds could fan new ignitions. Any personnel on ongoing incidents should be prepared for lightning strikes and gusty outflow winds as these storms move through. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
579 WWUS86 KOTX 310100 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 600 PM PDT Wed Aug 30 2017 ...COLD FRONT TO PRODUCE GUSTY WINDS AND LOW HUMIDITY AROUND ELLENSBURG... .Gusty winds and low humidity are ongoing in the Ellensburg areas. Humidity levels will increase this evening. IDZ101-310200- /O.EXP.KOTX.FW.W.0016.000000T0000Z-170831T0100Z/ Northern and Central Idaho Panhandle (Zone 101)- 600 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING WILL EXPIRE AT 6 PM PDT THIS EVENING FOR SCATTERED LIGHTNING FOR THE IDAHO PANHANDLE... There is the potential for isolated thunderstorms across the south central Panhandle early this evening, but the threat for scattered lighting has diminished. $$ WAZ676-310300- /O.CON.KOTX.FW.W.0016.000000T0000Z-170831T0300Z/ East Washington South Central Cascade Valleys (Zone 676)- 600 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR WIND AND LOW HUMIDITY FOR WASHINGTON FIRE ZONE 676 INCLUDING THE ELLENSBURG AREA... * Affected Area: Fire Weather Zone 676 East Washington South Central Cascade Valleys (Zone 676). * Winds....Northwest ...15 to 20 mph with gusts to 30 mph in the evening. In the Kittitas Valley, west wind 18 to 28 mph with gusts up to 35 mph in the evening decreasing to 12 to 16 mph with gusts to 25 mph overnight. * Relative Humidity: Humidity 13 to 25 percent this evening. * Impacts: Grass and brush fires in the Kittitas Valley and along Interstate 90 toward Ryegrass Summit and Vantage will have the potential to spread quickly this afternoon and early this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
674 WWUS86 KOTX 310247 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 747 PM PDT Wed Aug 30 2017 WAZ676-310400- /O.EXP.KOTX.FW.W.0016.000000T0000Z-170831T0300Z/ East Washington South Central Cascade Valleys (Zone 676)- 747 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR WIND AND LOW HUMIDITY FOR WASHINGTON FIRE ZONE 676 INCLUDING THE ELLENSBURG AREA... Humidities have recovered early this evening and will continue to rise overnight. Breezy westerly winds will persist through the evening with speeds of 20 to 30 mph, but should gradually taper off overnight. $$
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 3:47 PM PDT | Special Weather Statement | OTX | Asotin | 58 min |
| Aug 29, 11:49 PM PDT | Special Weather Statement | OTX | Benewah | 41 min |
| Aug 30, 3:11 PM PDT | Special Weather Statement | OTX | Lewis | 49 min |
| Aug 30, 4:16 PM PDT | Special Weather Statement | OTX | Lewis, Nez Perce | 59 min |
Nearby
Red Flag Warnings in Idaho, 2017Red Flag Warnings in Washington, 2017Every red flag warning in 2017
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.