Alert archive / Idaho / Red Flag Warnings in 2017

Red Flag Warning 13, NWS Spokane, WA

August 12, 20175 counties in Idaho

NWS Spokane, WA issued this red flag warning at Aug 12, 2017, 8:48 AM PDT for 5 counties in Idaho. It took effect at Aug 12, 2017, 2:00 PM PDT. It was in force for 6 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 12, 2017, 8:48 AM PDT (15:48 UTC)
In effect from
Aug 12, 2017, 2:00 PM PDT
Expired
Aug 12, 2017, 8:27 PM PDT
In force
6 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 15:51 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, 3.8 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.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 2017-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2017-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
8 J/kg
Mixed-layer CIN
-300 J/kg
Mixed-layer LCL
3241 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

396 
WWUS86 KOTX 121548
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
848 AM PDT Sat Aug 12 2017

...SCATTERED THUNDERSTORMS TODAY...

A shortwave disturbance will produce scattered thunderstorms over
portions of central Washington this morning. The threat of
thunderstorms will then shift into the Idaho Panhandle this
afternoon. Thunderstorms will contain little rainfall this
morning, but will become wetter in the afternoon.

IDZ101-130000-
/O.NEW.KOTX.FW.W.0013.170812T2100Z-170813T0600Z/
Northern and Central Idaho Panhandle (Zone 101)-
848 AM PDT Sat Aug 12 2017

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM
PDT THIS EVENING FOR SCATTERED THUNDERSTORMS AND DRY CONDITIONS 
FOR NORTHERN AND CENTRAL IDAHO PANHANDLE...

The National Weather Service in Spokane has issued a Red Flag
Warning for thunderstorms...which is in effect from 2 PM this
afternoon to 11 PM PDT this evening.

* Affected Area: Fire Weather Zone 101 Northern and Central 
  Idaho Panhandle (Zone 101).

* Thunderstorms: Isolated thunderstorms in the early afternoon
  ...becoming scattered by late afternoon and evening.

* Winds: Southwest 5 to 10 mph. Some gusty outflow winds are 
  possible from nearby thunderstorms.

* Outflow Winds: Locally 20 to 30 mph.

* Impacts: Combined with very dry fuels...these conditions could
  result in 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
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

WAZ673-676-677-680-682-121800-
/O.CON.KOTX.FW.W.0012.000000T0000Z-170812T1800Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
East Washington South Central Cascade Mountains (Zone 680)-
East Washington Central Cascade Mountains (Zone 682)-
848 AM PDT Sat Aug 12 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING FOR SCATTERED THUNDERSTORMS AND DRY CONDITIONS FOR THE 
SOUTH CENTRAL CASCADES, CENTRAL CASCADES, SOUTH CENTRAL CASCADE 
VALLEYS, CENTRAL CASCADE VALLEYS AND THE EAST WASHINGTON NORTHERN 
COLUMBIA BASIN...

* Affected Area: Fire Weather Zone 673 East Washington Northern 
  Columbia Basin (Zone 673)...Fire Weather Zone 676 East 
  Washington South Central Cascade Valleys (Zone 676)...Fire 
  Weather Zone 677 East Washington Central Cascade Valleys (Zone 
  677)...Fire Weather Zone 680 East Washington South Central 
  Cascade Mountains (Zone 680) and Fire Weather Zone 682 East 
  Washington Central Cascade Mountains (Zone 682).

* Thunderstorms: Isolated to Scattered thunderstorms possible in 
  the morning, LAL 3.

* Winds: Northwest 5 to 10 mph. Some gusty outflow winds are 
  possible from nearby thunderstorms.

* Impacts: Combined with very dry fuels...these conditions could 
  result in new fire starts which could become fanned from gusty 
  winds Saturday night.

* Outflow Winds: Locally 20 to 30 mph.

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.

&&

$$
3 follow-up statements
047 
WWUS86 KOTX 121740
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
1040 AM PDT Sat Aug 12 2017

...SCATTERED THUNDERSTORMS TODAY...

Scattered thunderstorms will remain possible over the Cascades
mainly south of Lake Chelan through this afternoon. The threat 
of thunderstorms will then shift into the Idaho Panhandle this 
afternoon. Thunderstorms will contain little rainfall this 
morning, but will become wetter in the afternoon.

WAZ673-676-677-680-682-130000-
/O.EXT.KOTX.FW.W.0012.000000T0000Z-170813T0000Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
East Washington South Central Cascade Mountains (Zone 680)-
East Washington Central Cascade Mountains (Zone 682)-
1040 AM PDT Sat Aug 12 2017

...RED FLAG WARNING NOW IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON
FOR SCATTERED THUNDERSTORMS AND DRY CONDITIONS FOR THE SOUTH
CENTRAL CASCADES, CENTRAL CASCADES, SOUTH CENTRAL CASCADE
VALLEYS, CENTRAL CASCADE VALLEYS AND THE EAST WASHINGTON NORTHERN
COLUMBIA BASIN...

* Affected Area: Fire Weather Zone 673 East Washington Northern 
  Columbia Basin (Zone 673)...Fire Weather Zone 676 East 
  Washington South Central Cascade Valleys (Zone 676)...Fire 
  Weather Zone 677 East Washington Central Cascade Valleys (Zone 
  677)...Fire Weather Zone 680 East Washington South Central 
  Cascade Mountains (Zone 680) and Fire Weather Zone 682 East 
  Washington Central Cascade Mountains (Zone 682).

* Thunderstorms: Isolated to Scattered thunderstorms possible in
  the morning then scattered thunderstorms in the afternoon. LAL 2
  to 3.

* Winds: Light and terrain driven this morning...becoming south 8
  to 15 mph...especially in zone 673. West to southwest winds
  increasing with cold front passage overnight.

* Impacts: Combined with very dry fuels...these conditions could 
  result in new fire starts which could become fanned from gusty 
  winds Saturday night.

* Outflow Winds: Locally 20 to 30 mph.

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.

&&

$$

IDZ101-130145-
/O.CON.KOTX.FW.W.0013.170812T2100Z-170813T0600Z/
Northern and Central Idaho Panhandle (Zone 101)-
1040 AM PDT Sat Aug 12 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
11 PM PDT THIS EVENING FOR SCATTERED THUNDERSTORMS AND DRY
CONDITIONS FOR NORTHERN AND CENTRAL IDAHO PANHANDLE...

* Affected Area: Fire Weather Zone 101 Northern and Central 
  Idaho Panhandle (Zone 101).

* Thunderstorms: Isolated thunderstorms in the early afternoon 
   ...becoming scattered by late afternoon and evening.

* Winds: southwest 5 to 10 mph.

* Outflow Winds: Locally 20 to 30 mph.

* Impacts: Combined with very dry fuels...these conditions could 
  result in 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
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$
293 
WWUS86 KOTX 130000
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
500 PM PDT Sat Aug 12 2017

...SCATTERED THUNDERSTORMS TODAY...

Scattered thunderstorms will remain possible over the Idaho 
Panhandle this evening. 

WAZ673-676-677-680-682-130100-
/O.EXP.KOTX.FW.W.0012.000000T0000Z-170813T0000Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
East Washington South Central Cascade Mountains (Zone 680)-
East Washington Central Cascade Mountains (Zone 682)-
500 PM PDT Sat Aug 12 2017

...RED FLAG WARNING WILL EXPIRE AT 5 PM PDT THIS AFTERNOON FOR
SCATTERED THUNDERSTORMS AND DRY CONDITIONS FOR THE SOUTH CENTRAL
CASCADES, CENTRAL CASCADES, SOUTH CENTRAL CASCADE VALLEYS, CENTRAL
CASCADE VALLEYS AND THE NORTHERN COLUMBIA BASIN...

Scattered thunderstorm development is not expected. The threat of
further fire spread on wild fires is low, and the red flag will be
allowed to expire. 

$$

IDZ101-130600-
/O.CON.KOTX.FW.W.0013.000000T0000Z-170813T0600Z/
Northern and Central Idaho Panhandle (Zone 101)-
500 PM PDT Sat Aug 12 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND DRY CONDITIONS FOR
THE NORTHERN AND CENTRAL IDAHO PANHANDLE...

* Affected Area: Fire Weather Zone 101 Northern and Central 
  Idaho Panhandle (Zone 101).

* Thunderstorms: Scattered thunderstorms developing this evening.

* Winds: southwest 5 to 10 mph.

* Outflow Winds: Locally 20 to 30 mph.

* Impacts: Combined with very dry fuels...these conditions could 
  result in 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
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$
789 
WWUS86 KOTX 130327
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
827 PM PDT Sat Aug 12 2017



IDZ101-130430-
/O.CAN.KOTX.FW.W.0013.000000T0000Z-170813T0600Z/
Northern and Central Idaho Panhandle (Zone 101)-
827 PM PDT Sat Aug 12 2017

...RED FLAG WARNING IS CANCELLED FOR SCATTERED THUNDERSTORMS AND
DRY CONDITIONS FOR THE NORTHERN AND CENTRAL IDAHO PANHANDLE...

The National Weather Service in Spokane has cancelled the Red
Flag Warning.

The chance of showers to develop across the Idaho Panhandle will
continue through midnight. Isolated thunderstorms at best is 
currently forecasted to occur for the next several hours, and 
therefore the red flag warning has been cancelled.

$$

Nearby

Red Flag Warnings in Idaho, 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.