Alert archive / Alaska / Red Flag Warnings in 2011

Red Flag Warning 11, NWS Anchorage, AK

May 25, 2011

NWS Anchorage, AK issued this red flag warning at May 25, 2011, 8:00 AM AKDT. It took effect at May 25, 2011, 12:00 PM AKDT. 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
May 25, 2011, 8:00 AM AKDT (16:00 UTC)
In effect from
May 25, 2011, 12:00 PM AKDT
Expired
May 25, 2011, 9:12 PM AKDT
In force
9 hr
Issued by
NWS Anchorage, AK

The text

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

659 
WWAK62 PAFC 251532
RFWALU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
800 AM AKDT WED MAY 25 2011

AKZ152-260600-
/X.UPG.PAFC.FW.A.0002.110525T2100Z-110526T0600Z/
/X.NEW.PAFC.FW.W.0011.110525T2000Z-110526T0600Z/
LOWER KUSKOKWIM VALLEY-
800 AM AKDT WED MAY 25 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM AKDT THIS
EVENING FOR LOW RELATIVE HUMIDITY AND STRONG WINDS OVER THE LOWER
KUSKOKWIM VALLEY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A RED FLAG
WARNING FOR LOW RELATIVE HUMIDITY AND STRONG WINDS OVER THE LOWER
KUSKOKWIM VALLEY. THE WARNING IS IN EFFECT FROM NOON TODAY TO 10 PM
AKDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

WARMER DRIER AIR WILL MOVE IN FROM THE EAST TODAY. RELATIVE
HUMIDITY WILL FALL INTO THE 15 TO 30 PERCENT RANGE THIS AFTERNOON
AND EVENING UNDER MOSTLY SUNNY SKIES. WINDS GUSTS WILL REACH AS
HIGH AS 30 MPH...ESPECIALLY IN AREAS OF CHANNELED TERRAIN. 
CONDITIONS SHOULD IMPROVE LATE TONIGHT AS WINDS DIMINISH AND
RELATIVE HUMIDITIES RECOVER.

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
909 
WWAK62 PAFC 252343
RFWALU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
343 PM AKDT WED MAY 25 2011

AKZ152-260600-
/X.CON.PAFC.FW.W.0011.000000T0000Z-110526T0600Z/
LOWER KUSKOKWIM VALLEY-
343 PM AKDT WED MAY 25 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW RELATIVE HUMIDITY AND STRONG WINDS OVER THE LOWER
KUSKOKWIM VALLEY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING. 

A WARM AND DRY AIRMASS ACROSS THE LOWER KUSKOWIM VALLEY IS PRODUCING RELATIVE
HUMIDITY OF 15 TO 30 PERCENT COUPLED WITH EAST WINDS OF 15 TO 30 MPH.
RELATIVE HUMIDITY WILL RECOVER LATE THIS EVENING AND WINDS WILL DIMINISH
BRINGING AND END TO THE RED FLAG CONDITIONS.

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.

&&

$$

JAM
033 
WWAK62 PAFC 260512
RFWALU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
912 PM AKDT WED MAY 25 2011

AKZ152-260615-
/X.CAN.PAFC.FW.W.0011.000000T0000Z-110526T0600Z/
LOWER KUSKOKWIM VALLEY-
912 PM AKDT WED MAY 25 2011

...RED FLAG WARNING IS CANCELLED FOR LOW RELATIVE HUMIDITY AND STRONG
WINDS OVER THE LOWER KUSKOKWIM VALLEY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELLED THE RED
FLAG WARNING. 

GUSTY EAST WINDS HAVE DIMINISHED AND RH VALUES HAVE RECOVERED
ABOVE 30 PERCENT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 4:00 PM AKDTGale WarningAFC12 hr
May 24, 4:00 PM AKDTGale WarningAFC12 hr
May 24, 4:00 PM AKDTGale WarningAFC12 hr
May 24, 4:00 PM AKDTSmall Craft AdvisoryAFC36 hr
May 24, 4:00 PM AKDTSmall Craft AdvisoryAFC36 hr
May 24, 6:46 PM AKDTFire Weather WatchAFC13 hr
May 25, 4:00 AM AKDTSmall Craft AdvisoryAFC60 hr
May 25, 4:00 AM AKDTSmall Craft AdvisoryAFC48 hr
May 25, 1:24 PM AKDTRed Flag WarningAFC8 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.