Alert archive / Washington / Red Flag Warnings in 2012

Red Flag Warning 11, NWS Spokane, WA

September 15, 2012

NWS Spokane, WA issued this red flag warning at Sep 15, 2012, 6:43 AM PDT. It took effect at Sep 15, 2012, 1:00 PM PDT. It was in force for 7 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
Sep 15, 2012, 6:43 AM PDT (13:43 UTC)
In effect from
Sep 15, 2012, 1:00 PM PDT
Expired
Sep 15, 2012, 8:00 PM PDT
In force
7 hr
Issued by
NWS Spokane, WA

The text

As transmitted, in the capitals the NWS used until 2016.

988 
WWUS86 KOTX 151343
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
643 AM PDT SAT SEP 15 2012

...WINDY AND DRY TODAY...

.WINDY CONDITIONS AND LOW RELATIVE HUMIDITY WILL PRODUCE
DANGEROUS FIRE WEATHER CONDITIONS TODAY FOR THE KITTITAS VALLEY.

WAZ676-160300-
/O.NEW.KOTX.FW.W.0011.120915T2000Z-120916T0300Z/
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-
643 AM PDT SAT SEP 15 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE 
KITTITAS VALLEY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE 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). THIS INCLUDES THE KITTITAS 
  VALLEY.

* WINDS: NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITIES: 15 TO 22 PERCENT.

* IMPACTS: ANY GRASS OR SHRUB-TYPE FIRES THAT DEVELOP WILL 
  LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. 

&&

$$
1 follow-up statement
010 
WWUS86 KOTX 160238
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
738 PM PDT SAT SEP 15 2012


WAZ676-160345-
/O.EXP.KOTX.FW.W.0011.000000T0000Z-120916T0300Z/
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-
738 PM PDT SAT SEP 15 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR THE KITTITAS VALLEY...

NORTHWEST WINDS OF ABOUT 15 MPH WILL CONTINUE FOR ANOTHER HOUR OR
SO AND THEN DECREASE TO 10 MPH OR LESS OVERNIGHT. RELATIVE HUMIDITIES HAVE
RECOVERED TO THE 30 PERCENT RANGE ACROSS THE KITTITAS VALLEY.
THEREFORE THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM.

$$

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 9:37 AM PDTAir Stagnation AdvisoryOTXAdams, Asotin, Chelan, Douglas, Garfield, Grant and 4 more5 days

Nearby

Red Flag Warnings in Washington, 2012Every red flag warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.