Alert archive / Washington / Red Flag Warnings in 2017

Red Flag Warning 10, NWS Spokane, WA

July 30, 2017

NWS Spokane, WA issued this red flag warning at Jul 30, 2017, 8:18 AM PDT. It took effect at Jul 30, 2017, 3:00 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
Jul 30, 2017, 8:18 AM PDT (15:18 UTC)
In effect from
Jul 30, 2017, 3:00 PM PDT
Expired
Jul 30, 2017, 9:00 PM PDT
In force
6 hr
Issued by
NWS Spokane, WA

The text

As transmitted.

243 
WWUS86 KOTX 301518
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
818 AM PDT Sun Jul 30 2017

...GUSTY WINDS AND LOW HUMIDITY THIS AFTERNOON AND EVENING...

.Gusty winds will develop through the Cascade Gaps this afternoon
spilling on to the Waterville Plateau and far western reaches of 
the Columbia Basin. This will be accompanied by very dry humidity 
values through the early evening. 

WAZ673-676-677-310400-
/O.NEW.KOTX.FW.W.0010.170730T2200Z-170731T0400Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
818 AM PDT Sun Jul 30 2017

...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM
PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE
CENTRAL CASCADE VALLEYS AND WESTERN REACHES OF THE COLUMBIA BASIN...

The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity...which is in effect
from 3 PM this afternoon to 9 PM PDT this evening.

* 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) and Fire 
  Weather Zone 677 East Washington Central Cascade Valleys (Zone 
  677).

* Winds: west to northwest 15 to 20 mph with gusts up to 25 mph.
  In the Kittitas Valley...17 to 25 mph with gusts to 30 mph.

* Relative Humidities: 10 to 20 percent.

* Impacts: Windy conditions with low relative humidities will 
  promote rapid spread of new or existing fires. Outdoor burning 
  is highly discouraged.

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.

&&

$$
1 follow-up statement
976 
WWUS86 KOTX 310358
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
858 PM PDT Sun Jul 30 2017


WAZ673-676-677-310500-
/O.EXP.KOTX.FW.W.0010.000000T0000Z-170731T0400Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
858 PM PDT Sun Jul 30 2017

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR THE CENTRAL CASCADE VALLEYS AND
WESTERN REACHES OF THE COLUMBIA BASIN...

Relative humidities have increased above 20 percent this evening.
Winds have decreased as well across most of the region. The
exception to this is down the Kittitas Valley where northwest
winds 15 mph with gusts to 25 mph will continue through the
evening, however relative humidities are in the 40s. No locations
are currently experiencing red flag criteria and so the warning
will expire at 9 pm. 

$$

Nearby

Red 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.