Alert archive / Alaska / Red Flag Warnings in 2011

Red Flag Warning 9, NWS Anchorage, AK

May 23, 2011

NWS Anchorage, AK issued this red flag warning at May 23, 2011, 8:00 AM AKDT. It took effect at May 23, 2011, 1:00 PM AKDT. It was in force for 4 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
May 23, 2011, 8:00 AM AKDT (16:00 UTC)
In effect from
May 23, 2011, 1:00 PM AKDT
Expired
May 23, 2011, 4:39 PM AKDT
In force
4 hr
Issued by
NWS Anchorage, AK

The text

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

825 
WWAK61 PAFC 231526
RFWAER

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
800 AM AKDT MON MAY 23 2011


AKZ111-240600-
/X.NEW.PAFC.FW.W.0009.110523T2100Z-110524T0600Z/
MATANUSKA VALLEY-
800 AM AKDT MON MAY 23 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
AKDT THIS EVENING FOR STRONG WIND ACROSS THE MATANUSKA VALLEY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
AKDT THIS EVENING. 

BREEZY CONDITIONS WILL CONTINUE TODAY WITH WINDS REACHING 15 TO 30
MPH. AS A FRONTAL BOUNDARY RETREATS SOUTH...DRIER AIR WILL INVADE
THE REGION WHICH WILL DROP THE RELATIVE HUMIDITY BELOW 30 PERCENT
THIS AFTERNOON. THE COMBINATION OF GUSTING SOUTHEATERLY WINDS AND
LOW HUMIDITY WILL LEAD TO DANGEROUS FIRE WEATHER CONDITIONS FOR
THE MATANUSKA VALLEY.

LATE IN THE EVENING WINDS WILL SLOWLY DIMINISH AS RELATIVE
HUMIDITY RECOVERS ABOVE 30 PERCENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED
TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC.

&&

$$
2 follow-up statements
374 
WWAK61 PAFC 232352
RFWAER

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
352 PM AKDT MON MAY 23 2011

AKZ111-250000-
/X.EXT.PAFC.FW.W.0009.000000T0000Z-110525T0700Z/
MATANUSKA VALLEY-
352 PM AKDT MON MAY 23 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM AKDT TUESDAY FOR
STRONG WINDS ACROSS THE MATANUSKA VALLEY...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 11 PM AKDT TUESDAY FOR
STRONG WINDS ACROSS THE MATANUSKA VALLEY.

FIRE WEATHER CONDITIONS WILL AGAIN INCREASE TUESDAY AFTERNOON AS
WARMER AND DRIER AIR MOVES INTO THE REGION TONIGHT THROUGH TUESDAY
AFTERNOON. WINDS WILL INCREASE OUT OF THE KNIK RIVER VALLEY TO 15
TO 25 MPH WITH OCCASIONAL GUSTS TO 35 MPH BY MID AFTERNOON AND
PERSIST THROUGH MID EVENING...WHILE RELATIVE HUMIDITIES WILL
BE BETWEEN 20 AND 30 PERCENT DURING THIS TIME.

BY LATE TUESDAY EVENING WINDS WILL SLOWLY DIMINISH AS RELATIVE
HUMIDITIES RECOVER ABOVE 30 PERCENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED
TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC.

&&

$$
321 
WWAK61 PAFC 240039
RFWAER

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
439 PM AKDT MON MAY 23 2011


AKZ111-250045-
/X.CAN.PAFC.FW.W.0009.000000T0000Z-110525T0700Z/
/X.NEW.PAFC.FW.W.0010.110524T2200Z-110525T0700Z/
MATANUSKA VALLEY-
439 PM AKDT MON MAY 23 2011

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM AKDT TUESDAY FOR
STRONG WINDS OUT OF THE KNIK VALLEY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM TO 11 PM AKDT TUESDAY FOR
STRONG WINDS OUT OF THE KNIK VALLEY.

FIRE WEATHER CONDITIONS WILL AGAIN INCREASE TUESDAY AFTERNOON AS
WARMER AND DRIER AIR MOVES INTO THE REGION TUESDAY AFTERNOON.
WINDS WILL INCREASE OUT OF THE KNIK RIVER VALLEY TO 15 TO 25 MPH
WITH GUSTS TO 35 MPH BY LATE AFTERNOON AND PERSIST THROUGH MID
EVENING...WHILE RELATIVE HUMIDITIES WILL BE BETWEEN 20 AND 30
PERCENT DURING THIS TIME.

BY LATE TUESDAY EVENING WINDS WILL SLOWLY DIMINISH AS RELATIVE
HUMIDITIES RECOVER ABOVE 30 PERCENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED
TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC.

&&

$$

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 4:00 PM AKDTSmall Craft AdvisoryAFC5 days
May 23, 4:00 AM AKDTGale WarningAFC24 hr
May 23, 4:00 AM AKDTGale WarningAFC60 hr
May 23, 4:00 AM AKDTSmall Craft AdvisoryAFC60 hr

Nearby

Red Flag Warnings in Alaska, 2011Every red flag warning in 2011

Sources

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